How long is the flight from San Francisco to Toronto?

For as low as C$ 503, WestJet can have you in Toronto from San Francisco in 8h 15m. Airlines will cover a distance of 3605 km. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Francisco to Toronto round-trip?

Cheapflights users have booked flights from San Francisco to Toronto round-trip from C$ 277. Other airlines that can offer you cheap pricing are Air Transat, from C$ 281, and Porter Airlines, from C$ 302. Air Canada is currently priced 61% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from San Francisco to Toronto one-way?

The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet (C$ 181), Porter Airlines (C$ 184), and Air Transat (C$ 195).

In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What are the most popular routes from San Francisco to Toronto?

The most popular route from San Francisco to Toronto is San Francisco - Toronto Pearson Intl. You may also consider San Francisco - Toronto Island or San Francisco - Hamilton.

What are the cheapest flights from San Francisco to Toronto?

Looking at all options, your cheapest flight can be booked for C$ 224. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 446 on average, our data indicates C$ 714 when flying from San Francisco to Toronto.

What are the most reliable airlines from San Francisco to Toronto?

The top 3 most reliable airlines when flying from San Francisco to Toronto are United Airlines (79%), Brussels Airlines (77%) and Air Canada (73%).

What are the most popular airlines that fly from San Francisco to Toronto?

The most popular airlines flying from San Francisco to Toronto are Porter Airlines, Air Canada and United Airlines. Something to consider prior to booking your flight.

What airport do you fly from for flights from San Francisco to Toronto?

Located just 17.7 km from the city centre, San Francisco is the airport most travellers will use when flying to Toronto from San Francisco. Booking flights from San Francisco (SFO) to Toronto should be relatively easy as there are 19 daily outbound flights to Toronto from 4 different airlines.

Can I find deals for flights from San Francisco to Toronto that include hotel bookings?

Yes. In addition to deals on San Francisco to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco to Toronto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Toronto.

Can I find deals for business class flights from San Francisco to Toronto?

Yes. Cheapflights offers flight deals from San Francisco to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 191+ Cheap Flights from San Francisco to Toronto

Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from San Francisco to Toronto

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Sat 10/101:00 p.m. -

1 stop8h 10m

Thu 15/103:50 p.m. -

1 stop9h 05m

Deal found 21/9C$ 477

Thu 22/101:00 p.m. -

1 stop9h 05m

Thu 29/109:50 a.m. -

Nonstop5h 55m

Deal found 21/9C$ 478

Sun 11/101:00 p.m. -

1 stop8h 10m

Wed 14/106:00 a.m. -

1 stop9h 00m

Deal found 21/9C$ 479

Thu 22/106:00 a.m. -

1 stop8h 10m

Fri 30/106:40 p.m. -

Nonstop5h 50m

Deal found 22/9C$ 481

Tue 20/101:20 p.m. -

Nonstop5h 00m

Tue 27/109:50 a.m. -

Nonstop5h 55m

Deal found 21/9C$ 482

Thu 5/111:45 p.m. -

Nonstop4h 54m

Mon 9/119:35 a.m. -

1 stop9h 15m

Deal found 19/9C$ 484

Sat 10/101:00 p.m. -

1 stop8h 10m

Tue 20/109:45 a.m. -

Nonstop5h 35m

Deal found 18/9C$ 485

Thu 15/106:00 a.m. -

1 stop8h 10m

Thu 22/109:45 a.m. -

Nonstop5h 35m

Deal found 18/9C$ 486

Wed 7/101:00 p.m. -

1 stop8h 10m

Thu 22/109:45 a.m. -

Nonstop5h 35m

Deal found 18/9C$ 488

Wed 21/101:20 p.m. -

Nonstop5h 00m

Tue 27/109:50 a.m. -

Nonstop5h 55m

Deal found 19/9C$ 489

Sat 17/101:00 p.m. -

1 stop9h 05m

Tue 27/109:50 a.m. -

Nonstop5h 55m

Deal found 20/9C$ 491

Tue 13/106:00 a.m. -

2 stops33h 35m

Mon 2/119:50 a.m. -

Nonstop5h 55m

Deal found 18/9C$ 492

Best flights from San Francisco to Toronto
Discover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Mon 19/106:00 a.m. -

1 stop8h 15m

Thu 22/106:10 p.m. -

1 stop20h 50m

Deal found 17/9C$ 503

Sat 21/119:24 p.m. -

1 stop14h 38m

Tue 24/116:30 a.m. -

Nonstop5h 59m

Deal found 20/9C$ 580

Sat 21/118:23 p.m. -

1 stop15h 39m

Tue 24/118:20 a.m. -

Nonstop5h 50m

Deal found 20/9C$ 580

Thu 1/1012:05 a.m. -

1 stop8h 30m

Sat 10/106:33 p.m. -

1 stop8h 23m

Deal found 18/9C$ 601

Fri 30/106:35 p.m. -

2 stops18h 30m

Thu 5/115:15 p.m. -

2 stops25h 16m

Deal found 19/9C$ 660

Fri 16/106:00 a.m. -

1 stop8h 15m

Sun 18/106:10 p.m. -

1 stop30h 45m

Deal found 19/9C$ 542

Sat 17/108:10 a.m. -

Nonstop5h 04m

Mon 26/107:26 p.m. -

1 stop8h 27m

Deal found 19/9C$ 589

Sat 3/106:00 a.m. -

1 stop8h 19m

Thu 8/1011:38 a.m. -

1 stop13h 17m

Deal found 17/9C$ 603

Tue 6/106:00 a.m. -

1 stop8h 15m

Tue 20/106:10 p.m. -

1 stop30h 45m

Deal found 20/9C$ 570

Wed 18/119:20 p.m. -

2 stops9h 27m

Sat 28/116:30 a.m. -

Nonstop5h 59m

Deal found 17/9C$ 594

Thu 1/1012:05 a.m. -

1 stop8h 30m

Tue 6/106:00 a.m. -

1 stop7h 30m

Deal found 17/9C$ 603

Mon 19/105:00 a.m. -

1 stop8h 48m

Tue 20/1012:30 p.m. -

1 stop11h 17m

Deal found 22/9C$ 701

Fri 16/106:00 a.m. -

1 stop10h 50m

Sun 18/108:40 p.m. -

1 stop28h 15m

Deal found 19/9C$ 590

Thu 5/115:00 a.m. -

1 stop7h 02m

Wed 11/1110:53 a.m. -

1 stop8h 27m

Deal found 21/9C$ 601

Sat 10/106:10 a.m. -

1 stop7h 38m

Tue 20/1012:30 p.m. -

1 stop11h 17m

Deal found 18/9C$ 701

Sat 10/101:00 p.m. -

1 stop27h 50m

Fri 16/108:40 p.m. -

1 stop28h 15m

Deal found 21/9C$ 591

Fri 11/124:40 p.m. -

Nonstop4h 49m

Wed 16/126:30 a.m. -

Nonstop5h 59m

Deal found 17/9C$ 642

Fri 6/119:15 a.m. -

1 stop11h 37m

Mon 9/117:05 a.m. -

3 stops28h 14m

Deal found 18/9C$ 715

Thu 15/101:00 p.m. -

1 stop27h 50m

Mon 19/108:40 p.m. -

1 stop18h 20m

Deal found 19/9C$ 597

Sat 17/104:30 p.m. -

3 stops27h 43m

Fri 23/106:55 p.m. -

2 stops18h 25m

Deal found 21/9C$ 722

Fri 16/106:00 a.m. -

1 stop10h 50m

Fri 23/108:40 p.m. -

1 stop18h 20m

Deal found 20/9C$ 614

Mon 26/105:00 a.m. -

1 stop8h 42m

Mon 2/113:20 p.m. -

1 stop9h 09m

Deal found 20/9C$ 690

Sat 17/108:10 a.m. -

Nonstop5h 04m

Sat 17/106:30 p.m. -

Nonstop5h 29m

Deal found 19/9C$ 726

Mon 26/106:15 a.m. -

1 stop9h 42m

Sun 1/113:20 p.m. -

1 stop9h 09m

Deal found 19/9C$ 690

Sat 10/101:00 p.m. -

1 stop25h 15m

Wed 14/106:10 p.m. -

1 stop30h 45m

Deal found 20/9C$ 634

Fri 23/105:00 a.m. -

1 stop8h 48m

Wed 28/1010:45 a.m. -

1 stop13h 48m

Deal found 22/9C$ 741

Thu 29/106:15 a.m. -

1 stop9h 42m

Mon 2/113:20 p.m. -

1 stop9h 09m

Deal found 19/9C$ 690

Sat 10/101:00 p.m. -

1 stop25h 15m

Fri 16/106:10 p.m. -

1 stop30h 45m

Deal found 18/9C$ 636

Sat 10/106:10 a.m. -

1 stop7h 38m

Wed 14/103:15 p.m. -

1 stop9h 11m

Deal found 17/9C$ 691

Thu 5/116:30 a.m. -

2 stops12h 35m

Thu 12/117:05 a.m. -

1 stop9h 46m

Deal found 21/9C$ 820

Find flight deals from San Francisco to Toronto

Round-trip from	C$ 477
One-way from	C$ 191
Popular in	December
Cheapest in	January
Average price	C$ 772
Good round-trip deal	C$ 538 or less
Good one-way deal	C$ 270 or less

WestJet
10/10-15/10
2 total stops
17h 15m total
San Francisco to Toronto

Search Deals

WestJet
22/10-31/12
1 total stop
8h 15m total
San Francisco to Toronto

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from San Francisco to Toronto (YTO).

Search Deals

Price to beat on a one-way flight from San Francisco to Toronto (YTO).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHamilton

SFO San Francisco - YHM Hamilton

SFOYHM

San Francisco

Thu 15/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Hamilton

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 217

San FranciscoHamilton

SFO San Francisco - YHM Hamilton

SFOYHM

San Francisco

Thu 22/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Hamilton

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 224

San FranciscoHamilton

SFO San Francisco - YHM Hamilton

SFOYHM

San Francisco

Mon 5/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Hamilton

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 228

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Mon 19/10

10:51 p.m.-7:00 a.m.

Nonstop5h 09m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 247

Quickest round-trip

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Tue 15/12

8:10 a.m.-4:08 p.m.

Nonstop4h 58m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 247

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Tue 6/10

8:10 a.m.-4:14 p.m.

Nonstop5h 04m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 247

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Sun 25/10

5:00 a.m.-6:45 p.m.

1 stop10h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 256

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Tue 3/11

5:00 a.m.-3:02 p.m.

1 stop7h 02m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 256

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Tue 27/10

12:00 p.m.-11:45 p.m.

1 stop8h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 261

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Fri 6/11

9:30 p.m.-9:14 a.m.

1 stop8h 44m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 261

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from San Francisco to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from San Francisco with our price prediction graph.

SFO-YTO

SFO-YHM

SFO-YYZ

SFO-YTZ

SFO-YKF

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Toronto

SFO-YTO

SFO-YHM

SFO-YYZ

SFO-YTZ

SFO-YKF

What is the cheapest month to book a flight from San Francisco to Toronto?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of C$ 538). Flying from San Francisco to Toronto in December is currently the most expensive (average of C$ 863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to YTO?

It’s typically best to fly out from San Francisco to Toronto at noon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from San Francisco to Toronto

The most flights from SFO to YTO are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from San Francisco to Toronto?

Airfare is below average for this route at the moment.

San Francisco to Toronto flights typically cost between C$ 568 and C$ 924 in October.
The cheapest round-trip price found within the last 5 days was C$ 477 on WestJet (10 Oct-15 Oct).

What’s the top layover airport for flights from San Francisco to Toronto?

Calgary (YYC) – chosen by Cheapflights users on 67% of one-stop itineraries from San Francisco to Toronto on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Toronto?

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 455.

What’s the fastest layover option from San Francisco to Toronto?

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 59m.

Which airport typically offers the quickest layover for flights from San Francisco to Toronto?

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 48m.

How far ahead should I book a flight from San Francisco to Toronto?

The price you pay for your flight from San Francisco to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from San Francisco to Toronto?

Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Toronto

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from San Francisco to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Porter Airlines

8.0

Very good

462 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

United Airlines

7.4

Good

10,222 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Canada

7.1

Good

11,661 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

What airport do you fly from for flights from San Francisco to Toronto?
Located just 17.7 km from the city centre, San Francisco is the airport most travellers will use when flying to Toronto from San Francisco. Booking flights from San Francisco (SFO) to Toronto should be relatively easy as there are 19 daily outbound flights to Toronto from 4 different airlines.
How long is the flight from San Francisco to Toronto?
For as low as C$ 503, WestJet can have you in Toronto from San Francisco in 8h 15m. Airlines will cover a distance of 3605 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Francisco to Toronto round-trip?
Cheapflights users have booked flights from San Francisco to Toronto round-trip from C$ 277. Other airlines that can offer you cheap pricing are Air Transat, from C$ 281, and Porter Airlines, from C$ 302. Air Canada is currently priced 61% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from San Francisco to Toronto one-way?
The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet (C$ 181), Porter Airlines (C$ 184), and Air Transat (C$ 195).
What are the most popular routes from San Francisco to Toronto?
The most popular route from San Francisco to Toronto is San Francisco - Toronto Pearson Intl. You may also consider San Francisco - Toronto Island or San Francisco - Hamilton.
What are the most reliable airlines from San Francisco to Toronto?
The top 3 most reliable airlines when flying from San Francisco to Toronto are United Airlines (79%), Brussels Airlines (77%) and Air Canada (73%).
What are the cheapest flights from San Francisco to Toronto?
Looking at all options, your cheapest flight can be booked for C$ 224. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 446 on average, our data indicates C$ 714 when flying from San Francisco to Toronto.
Can I find deals for flights from San Francisco to Toronto that include hotel bookings?
Yes. In addition to deals on San Francisco to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Toronto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Toronto.
Can I find deals for business class flights from San Francisco to Toronto?
Yes. Cheapflights offers flight deals from San Francisco to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Toronto?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of C$ 538). Flying from San Francisco to Toronto in December is currently the most expensive (average of C$ 863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Ontario

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Other flight options

Other flights from San Francisco

Popular flights

Toronto flight routes

Alternative routes for San Francisco to Toronto

San Francisco to Pearson Intl flights

Los Angeles to Pearson Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

San Francisco to Pierre Elliott Trudeau Intl flights

San Diego to Pearson Intl flights

Ontario to Pearson Intl flights

Los Angeles to Toronto Island flights

San Francisco to Toronto Island flights

Las Vegas to Pearson Intl flights

Los Angeles to Hamilton flights

Ontario to Pierre Elliott Trudeau Intl flights

Santa Ana to Pearson Intl flights

San Diego to Pierre Elliott Trudeau Intl flights

San Francisco to Hamilton flights

Sacramento to Pearson Intl flights

San Jose to Pearson Intl flights

Las Vegas to Pierre Elliott Trudeau Intl flights

San Jose to Pierre Elliott Trudeau Intl flights

Los Angeles to Ottawa flights

San Francisco to Ottawa flights

Burbank to Pearson Intl flights

Oakland to Pearson Intl flights

Los Angeles to Region of Waterloo Intl flights

Santa Ana to Pierre Elliott Trudeau Intl flights

Sacramento to Pierre Elliott Trudeau Intl flights

Las Vegas to Hamilton flights

Oakland to Pierre Elliott Trudeau Intl flights

Fresno to Pearson Intl flights

Reno to Pearson Intl flights

Sacramento to Ottawa flights

Las Vegas to Ottawa flights

Palm Springs to Pearson Intl flights

Santa Barbara to Pierre Elliott Trudeau Intl flights

Long Beach to Pierre Elliott Trudeau Intl flights

Santa Ana to Hamilton flights

Fresno to Pierre Elliott Trudeau Intl flights

Santa Barbara to Pearson Intl flights

San Jose to Ottawa flights

San Jose to London flights

Tijuana to Pearson Intl flights

Top 4 airlines flying from San Francisco to Toronto

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 277	AverageC$ 811	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air Transat	CheapestC$ 281	AverageC$ 840	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 302	AverageC$ 593	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 542	AverageC$ 869	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Toronto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Toronto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Toronto.

Can Cheapflights find flights from San Francisco to Toronto with no change fees?

Certainly. Search results for flights to Toronto from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Toronto become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Toronto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Francisco to Toronto from C$ 191

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Toronto

Cheapest flights from San Francisco to TorontoExplore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from San Francisco to TorontoDiscover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from San Francisco to TorontoExplore direct flight options from San Francisco to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Explore direct flight options from San Francisco to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from San Francisco to TorontoDiscover last-minute flight deals from San Francisco to Toronto. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Toronto. Data last updated 22 September 2026 and is based on user searches.

One-way flights from San Francisco to TorontoSearch for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Find flight deals from San Francisco to Toronto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.

Best time to book a flight from San Francisco to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from San Francisco with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from San Francisco to Toronto?

What is the cheapest time of day to fly from SFO to YTO?

Find hourly flight availability from San Francisco to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 September 2026.

It’s typically best to fly out from San Francisco to Toronto at noon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from San Francisco to Toronto

The most flights from SFO to YTO are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from San Francisco to Toronto?

Airfare is below average for this route at the moment.

San Francisco to Toronto flights typically cost between C$ 568 and C$ 924 in October.The cheapest round-trip price found within the last 5 days was C$ 477 on WestJet (10 Oct-15 Oct).

What’s the top layover airport for flights from San Francisco to Toronto?

Share of one-stop round-trip flights from San Francisco to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.

Calgary (YYC) – chosen by Cheapflights users on 67% of one-stop itineraries from San Francisco to Toronto on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Toronto?

Average round-trip fare for 1-stop flights from San Francisco to Toronto, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 455.

What’s the fastest layover option from San Francisco to Toronto?

Shortest average travel time for 1-stop one-way flights from San Francisco to Toronto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 6h 59m.

Which airport typically offers the quickest layover for flights from San Francisco to Toronto?

Average layover duration for 1-stop one-way flights from San Francisco to Toronto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 48m.

How far ahead should I book a flight from San Francisco to Toronto?

The price you pay for your flight from San Francisco to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from San Francisco to Toronto?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Toronto. Price data was last updated on 19 September 2026.

Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Toronto

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from San Francisco to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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What are the most popular routes from San Francisco to Toronto?

What are the most reliable airlines from San Francisco to Toronto?

What are the cheapest flights from San Francisco to Toronto?

Can I find deals for flights from San Francisco to Toronto that include hotel bookings?

How can I find direct flights from San Francisco to Toronto?

Can I find deals for business class flights from San Francisco to Toronto?

What is the cheapest month to book a flight from San Francisco to Toronto?

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Alternative routes for San Francisco to Toronto

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Complete your trip

Complete your trip to Toronto by adding a car rental and/or hotel reservation to your travel itinerary.

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San Francisco and Toronto flights

Browse other San Francisco and Toronto flight options. Last updated on 22 September 2026.

Other flights from San Francisco

Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.

Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from San Francisco to Toronto
Discover carefully curated flight deals from San Francisco to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from San Francisco to Toronto
Explore direct flight options from San Francisco to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from San Francisco to Toronto
Discover last-minute flight deals from San Francisco to Toronto. Data last updated 22 September 2026 and is based on user searches.

One-way flights from San Francisco to Toronto
Search for one-way flight options from San Francisco to Toronto. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

San Francisco to Toronto flights typically cost between C$ 568 and C$ 924 in October.
The cheapest round-trip price found within the last 5 days was C$ 477 on WestJet (10 Oct-15 Oct).