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$ 259. Other airlines that can offer you cheap pricing are Air Transat, from C$ 299, and United Airlines, from C$ 314. Air Canada is currently priced 56% below the average price you’ll pay for this route.

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$ 213. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 346 on average our data indicates C$ 503 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 Brussels Airlines (94%), Singapore Airlines (78%) and Austrian Airlines (72%).

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

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

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

Users have found that flying from San Francisco to Toronto on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save up to 95% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Toronto from C$ 418 1-2 weeks out and tickets from C$ 656 for flights departing within the next 72 hours.

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

April can be a great time to fly to Toronto from San Francisco with a flight ticket averaging about C$ 598. Cheapflights users have found deals in the month of April for as cheap as C$ 214. The most expensive prices can be found in the month of December.

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

Located just 19.0 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 5 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$ 132+ Flights from San Francisco to Toronto

Q: 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$ 524 and C$ 795 in September. The cheapest round-trip price found within the last 3 days was C$ 356 on Multiple Airlines (15 Sep-15 Oct).

Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in April or February, booked 53 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Toronto

Round-trip from	C$ 356
One-way from	C$ 132
Popular in	December
Cheapest in	April
Average price	C$ 631
Good round-trip deal	C$ 336 or less
Good one-way deal	C$ 263 or less

15/9-15/10
2 total stops
22h 07m total
San Francisco to Toronto

Search Deals

16/9
1 total stop
10h 44m total
San Francisco to Toronto

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 116 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

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

Find flight deals from San Francisco to Toronto

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 14 August 2025.

Sun 28/910:15 a.m.SFO - YYZ

1 stop18h 35mFlair Airlines

Fri 3/109:15 p.m.YYZ - SFO

1 stop15h 15mFlair Airlines

Deal found 13/8C$ 357

Tue 23/910:15 a.m.SFO - YYZ

1 stop9h 38mMultiple Airlines

Wed 24/911:00 a.m.YYZ - SFO

2 stops13h 32mMultiple Airlines

Deal found 12/8C$ 358

Thu 11/910:15 a.m.SFO - YYZ

1 stop11h 10mFlair Airlines

Thu 18/99:15 p.m.YYZ - SFO

1 stop15h 15mFlair Airlines

Deal found 13/8C$ 360

Wed 15/1010:15 a.m.SFO - YYZ

1 stop16h 58mMultiple Airlines

Mon 20/109:15 p.m.YYZ - SFO

1 stop15h 15mMultiple Airlines

Deal found 13/8C$ 363

Wed 10/98:48 a.m.SFO - YYZ

1 stop7h 57mMultiple Airlines

Wed 17/99:45 a.m.YYZ - SFO

1 stop10h 40mMultiple Airlines

Deal found 13/8C$ 364

Tue 23/910:15 a.m.SFO - YYZ

1 stop9h 38mMultiple Airlines

Wed 1/109:30 a.m.YYZ - SFO

1 stop10h 55mMultiple Airlines

Deal found 14/8C$ 367

Tue 23/910:15 a.m.SFO - YYZ

1 stop9h 38mMultiple Airlines

Mon 29/92:00 p.m.YYZ - SFO

2 stops12h 29mMultiple Airlines

Deal found 13/8C$ 368

Thu 25/910:15 a.m.SFO - YYZ

1 stop11h 10mFlair Airlines

Sun 28/99:15 p.m.YYZ - SFO

1 stop15h 15mFlair Airlines

Deal found 14/8C$ 369

Mon 22/91:50 p.m.SFO - YYZ

2 stops13h 22mMultiple Airlines

Wed 24/99:45 a.m.YYZ - SFO

1 stop10h 40mMultiple Airlines

Deal found 12/8C$ 371

Mon 15/910:15 a.m.SFO - YYZ

2 stops17h 32mMultiple Airlines

Wed 17/99:45 a.m.YYZ - SFO

1 stop10h 40mMultiple Airlines

Deal found 14/8C$ 372

Wed 17/98:48 a.m.SFO - YYZ

1 stop8h 10mMultiple Airlines

Wed 1/109:30 a.m.YYZ - SFO

1 stop10h 55mMultiple Airlines

Deal found 14/8C$ 374

Thu 18/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Sun 21/96:00 a.m.YHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 13/8C$ 380

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 14 August 2025.

Thu 18/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Sun 21/96:00 a.m.YHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 13/8C$ 380

Sun 9/111:00 p.m.SFO - YKF

1 stop13h 28mWestJet

Thu 13/116:20 a.m.YKF - SFO

1 stop8h 52mWestJet

Deal found 13/8C$ 412

Wed 19/115:09 p.m.SFO - YYZ

2 stops19h 26mAlaska Airlines

Mon 8/124:45 p.m.YYZ - SFO

2 stops18h 52mAlaska Airlines

Deal found 12/8C$ 477

Sat 6/98:30 a.m.SFO - YTZ

1 stop10h 04mAir Canada

Fri 12/910:25 a.m.YTZ - SFO

1 stop12h 26mAir Canada

Deal found 13/8C$ 531

Tue 21/1010:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Thu 23/106:00 a.m.YHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 13/8C$ 386

Thu 2/1012:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Tue 7/106:00 a.m.YKF - SFO

1 stop8h 54mWestJet

Deal found 12/8C$ 415

Wed 24/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Sat 27/95:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Deal found 13/8C$ 387

Thu 2/1012:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Thu 23/106:00 a.m.YKF - SFO

1 stop8h 54mWestJet

Deal found 12/8C$ 415

Thu 11/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Mon 15/95:45 p.m.YHM - SFO

1 stop18h 45mMultiple Airlines

Deal found 11/8C$ 390

Fri 6/23:30 p.m.SFO - YYZ

2 stops21h 05mAlaska Airlines

Mon 9/24:45 p.m.YYZ - SFO

2 stops22h 48mAlaska Airlines

Deal found 12/8C$ 498

Wed 24/912:50 p.m.SFO - YKF

1 stop8h 55mWestJet

Sat 27/96:00 a.m.YKF - SFO

1 stop8h 54mWestJet

Deal found 14/8C$ 418

Fri 17/1010:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Wed 22/106:00 a.m.YHM - SFO

1 stop8h 54mMultiple Airlines

Deal found 12/8C$ 393

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 14 August 2025.

Tue 4/111:40 p.m.SFO - YYZ

Nonstop4h 57mPorter Airlines

Tue 2/129:45 a.m.YYZ - SFO

Nonstop5h 55mPorter Airlines

Deal found 12/8C$ 437

Sat 6/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Fri 12/99:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Deal found 13/8C$ 463

Sat 6/97:25 a.m.SFO - YYZ

Nonstop4h 56mMultiple Airlines

Fri 12/99:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 13/8C$ 466

Wed 3/121:40 p.m.SFO - YYZ

Nonstop4h 57mPorter Airlines

Tue 9/129:45 a.m.YYZ - SFO

Nonstop5h 55mPorter Airlines

Deal found 14/8C$ 471

Sun 26/101:40 p.m.SFO - YYZ

Nonstop4h 57mPorter Airlines

Wed 29/109:45 a.m.YYZ - SFO

Nonstop5h 55mPorter Airlines

Deal found 14/8C$ 473

Fri 10/108:40 a.m.SFO - YYZ

Nonstop4h 55mMultiple Airlines

Wed 29/109:45 a.m.YYZ - SFO

Nonstop5h 55mMultiple Airlines

Deal found 14/8C$ 474

Sat 27/912:15 p.m.SFO - YYZ

Nonstop4h 55mMultiple Airlines

Sat 4/109:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 13/8C$ 476

Fri 26/91:25 p.m.SFO - YYZ

Nonstop5h 02mPorter Airlines

Wed 1/109:45 a.m.YYZ - SFO

Nonstop5h 38mPorter Airlines

Deal found 13/8C$ 477

Thu 4/97:25 a.m.SFO - YYZ

Nonstop4h 56mMultiple Airlines

Wed 10/99:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 12/8C$ 480

Sat 22/111:40 p.m.SFO - YYZ

Nonstop4h 57mPorter Airlines

Sat 29/119:45 a.m.YYZ - SFO

Nonstop5h 55mPorter Airlines

Deal found 14/8C$ 484

Last-minute flights from San Francisco to Toronto
Discover last-minute flight deals from San Francisco to Toronto. Data last updated 14 August 2025 and is based on user searches.

Tue 19/87:30 a.m.SFO - YYZ

2 stops10h 33mWestJet

Sun 31/86:30 a.m.YYZ - SFO

1 stop10h 29mWestJet

Deal found 13/8C$ 411

Tue 19/87:30 a.m.SFO - YYZ

2 stops10h 33mWestJet

Fri 5/96:30 a.m.YYZ - SFO

1 stop10h 27mWestJet

Deal found 13/8C$ 420

Tue 19/87:30 a.m.SFO - YYZ

2 stops14h 03mMultiple Airlines

Wed 3/99:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 13/8C$ 430

Tue 19/87:30 a.m.SFO - YYZ

2 stops14h 03mWestJet

Wed 3/912:00 p.m.YYZ - SFO

2 stops12h 24mWestJet

Deal found 13/8C$ 432

Tue 19/87:30 a.m.SFO - YYZ

2 stops10h 33mMultiple Airlines

Tue 2/97:45 p.m.YYZ - SFO

1 stop17h 33mMultiple Airlines

Deal found 13/8C$ 449

Tue 19/87:30 a.m.SFO - YYZ

2 stops10h 33mMultiple Airlines

Thu 4/910:40 a.m.YYZ - SFO

1 stop8h 54mMultiple Airlines

Deal found 13/8C$ 456

Tue 19/87:30 a.m.SFO - YYZ

2 stops10h 33mWestJet

Wed 27/810:25 p.m.YYZ - SFO

1 stop16h 31mWestJet

Deal found 13/8C$ 459

Tue 19/87:30 a.m.SFO - YYZ

2 stops14h 03mMultiple Airlines

Fri 22/89:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 13/8C$ 466

Tue 19/87:30 a.m.SFO - YYZ

2 stops14h 03mMultiple Airlines

Wed 27/89:45 a.m.YYZ - SFO

Nonstop5h 38mMultiple Airlines

Deal found 13/8C$ 470

Tue 19/88:20 a.m.SFO - YTZ

1 stop10h 11mAir Canada

Fri 22/88:25 a.m.YTZ - SFO

1 stop14h 32mAir Canada

Deal found 14/8C$ 677

Sat 23/82:45 p.m.SFO - YKF

1 stop13h 25mMultiple Airlines

Wed 27/86:00 a.m.YKF - SFO

1 stop8h 56mMultiple Airlines

Deal found 12/8C$ 733

Sun 24/82:45 p.m.SFO - YHM

2 stops30h 56mWestJet

Sun 31/86:00 a.m.YHM - SFO

1 stop8h 56mWestJet

Deal found 13/8C$ 707

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 14 August 2025.

Tue 16/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 12/8C$ 132

Thu 18/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 11/8C$ 145

Thu 11/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 11/8C$ 148

Sat 20/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 13/8C$ 160

Tue 9/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 12/8C$ 170

Mon 15/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 12/8C$ 171

Fri 5/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 12/8C$ 178

Mon 8/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 13/8C$ 179

Sat 27/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 13/8C$ 186

Sun 28/910:15 a.m.SFO - YHM

1 stop10h 44mMultiple Airlines

Deal found 13/8C$ 187

Thu 9/107:30 a.m.SFO - YKF

2 stops19h 00mMultiple Airlines

Deal found 12/8C$ 226

Fri 12/92:45 p.m.SFO - YYZ

1 stop27h 08mWestJet

Deal found 13/8C$ 226

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

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 18/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Sun 21/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 380

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Tue 21/10

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Thu 23/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 386

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 24/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Sat 27/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 387

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 11/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Mon 15/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 390

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Fri 17/10

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Wed 22/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 393

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 3/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Mon 8/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 401

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 4/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Tue 9/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 405

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 3/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Wed 10/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 405

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 11/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Thu 18/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 405

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Mon 15/9

10:15 a.m.-11:59 p.m.

1 stop10h 44m

Hamilton

Wed 17/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

C$ 408

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 60 results

...

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.

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

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 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 168). Flying from San Francisco to Toronto in July is currently the most expensive (average of C$ 258). 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 in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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 Saturday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Toronto

The most flights from SFO to YTO are scheduled on a Monday (22 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?

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

Calgary (YYC) – chosen by Cheapflights users on 60% 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$ 379.

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

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 53m.

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

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 11m.

Reviews of airlines servicing Toronto

Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andWestJet 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

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

332 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Transat

7.7

Good

427 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

WestJet

7.2

Good

3,015 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Canada

7.1

Good

9,949 reviews

Porter Airlines

8.0

Very good

332 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

What airport do you fly from for flights from San Francisco to Toronto?
Located just 19.0 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 5 different airlines.
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$ 259. Other airlines that can offer you cheap pricing are Air Transat, from C$ 299, and United Airlines, from C$ 314. Air Canada is currently priced 56% below the average price you’ll pay for this route.
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 Brussels Airlines (94%), Singapore Airlines (78%) and Austrian Airlines (72%).
What are the cheapest flights from San Francisco to Toronto?
Looking at all options, your cheapest flight can be booked for C$ 213. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 346 on average our data indicates C$ 503 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$ 168). Flying from San Francisco to Toronto in July is currently the most expensive (average of C$ 258). 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

Top 5 airlines flying from San Francisco to Toronto

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 259	AverageC$ 684	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air Transat	CheapestC$ 299	AverageC$ 556	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	CheapestC$ 314	AverageC$ 992	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 320	AverageC$ 445	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 399	AverageC$ 552	FlexibilityNo cancel fee	On-time52%	Search Porter 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$ 132

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in April or February, booked 53 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from San Francisco to Toronto

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Find 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 14 August 2025.

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 14 August 2025.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Toronto. Price data was last updated on 8 August 2025.

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 14 August 2025.

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 16 December 2024.

Weekly flight availability from San Francisco to Toronto

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

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.

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.

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.

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.

Reviews of airlines servicing Toronto

Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andWestJet 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

Find useful and relevant information for your journey from San Francisco to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Francisco to Toronto

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

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

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

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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 14 August 2025.