Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Toronto from C$ 173

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in February or March, booked 87 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from San Francisco to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 April 2025.

Round-trip from

C$ 346

One-way from

C$ 173

Popular in

December

Cheapest in

February

Average price

C$ 545

Good round-trip deal

C$ 506 or less

Good one-way deal

C$ 229 or less
27/5-11/6
  • 27/5-11/6
  • 3 total stops
  • 38h 32m total
  • San Francisco to Toronto
Search Deals
WestJet
  • WestJet
  • 27/7
  • 1 total stop
  • 8h 51m total
  • San Francisco to Toronto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 2025.

Tue 27/51:09 p.m.SFO - YYZ
1 stop25h 11mMultiple Airlines
Wed 11/611:00 a.m.YYZ - SFO
2 stops13h 21mMultiple Airlines
Deal found 27/4C$ 346
Thu 10/77:30 a.m.SFO - YKF
1 stop8h 26mWestJet
Tue 15/76:00 a.m.YKF - SFO
2 stops10h 59mWestJet
Deal found 28/4C$ 352
Sun 6/77:30 a.m.SFO - YYZ
2 stops14h 03mWestJet
Thu 10/76:30 a.m.YYZ - SFO
1 stop8h 35mWestJet
Deal found 27/4C$ 374
Sun 10/812:50 p.m.SFO - YHM
1 stop8h 51mWestJet
Thu 14/86:00 a.m.YHM - SFO
2 stops10h 59mWestJet
Deal found 28/4C$ 377
Tue 10/610:15 a.m.SFO - YKF
2 stops40h 15mFlair Airlines
Thu 12/69:25 a.m.YKF - SFO
1 stop27h 05mFlair Airlines
Deal found 28/4C$ 423
Tue 10/62:45 p.m.SFO - YKF
3 stops35h 45mMultiple Airlines
Thu 12/69:25 a.m.YKF - SFO
1 stop27h 05mMultiple Airlines
Deal found 28/4C$ 434
Wed 28/51:09 p.m.SFO - YHM
2 stops32h 32mMultiple Airlines
Wed 4/66:00 a.m.YHM - SFO
1 stop9h 05mMultiple Airlines
Deal found 28/4C$ 445
Wed 4/610:15 a.m.SFO - YTZ
2 stops30h 22mMultiple Airlines
Fri 6/63:35 p.m.YTZ - SFO
2 stops20h 55mMultiple Airlines
Deal found 28/4C$ 478
Fri 20/61:30 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Wed 25/69:45 a.m.YYZ - SFO
Nonstop5h 45mPorter Airlines
Deal found 28/4C$ 546
Sun 8/611:55 p.m.SFO - YTZ
1 stop8h 52mAir Canada
Tue 10/612:25 p.m.YTZ - SFO
1 stop10h 45mAir Canada
Deal found 28/4C$ 625

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 April 2025.
Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.

Fly from

San Francisco

Fly to

Toronto

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 27/5

1:09 p.m.-5:20 p.m.

1 stop25h 11m

Toronto Pearson Intl

Wed 11/6

11:00 a.m.-9:21 p.m.

2 stops13h 21m

C$ 346

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 10/7

7:30 a.m.-6:56 p.m.

1 stop8h 26m

Toronto Region of Waterloo Intl

Tue 15/7

6:00 a.m.-1:59 p.m.

2 stops10h 59m

C$ 352

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Thu 7/8

12:50 p.m.-12:41 a.m.

1 stop8h 51m

Hamilton

Mon 11/8

6:00 a.m.-11:56 a.m.

1 stop8h 56m

C$ 371

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 11/9

10:15 a.m.-7:10 a.m.

1 stop17h 55m

Toronto Region of Waterloo Intl

Mon 15/9

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

1 stop8h 54m

C$ 373

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 6/7

7:30 a.m.-12:33 a.m.

2 stops14h 03m

Toronto Pearson Intl

Thu 10/7

6:30 a.m.-12:05 p.m.

1 stop8h 35m

C$ 374

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 29/5

10:15 a.m.-5:30 a.m.

2 stops40h 15m

Toronto Region of Waterloo Intl

Mon 2/6

9:25 a.m.-9:30 a.m.

1 stop27h 05m

C$ 430

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 4/6

10:15 a.m.-7:59 p.m.

1 stop30h 44m

Hamilton

Wed 11/6

7:15 p.m.-12:05 p.m.

1 stop19h 50m

C$ 432

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 4/6

10:15 a.m.-7:37 p.m.

2 stops30h 22m

Toronto Island

Fri 6/6

3:35 p.m.-9:30 a.m.

2 stops20h 55m

C$ 478

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 20/6

1:30 p.m.-9:29 p.m.

Nonstop4h 59m

Toronto Pearson Intl

Wed 25/6

9:45 a.m.-12:30 p.m.

Nonstop5h 45m

C$ 546

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Sun 1/6

8:15 a.m.-9:35 p.m.

1 stop10h 20m

Toronto Island

Sat 7/6

12:25 p.m.-8:10 p.m.

1 stop10h 45m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 30 results
1
2
3

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?

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 25 April 2025.

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 87 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$ 167). 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?

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 29 April 2025.

It’s typically best to fly out from San Francisco to Toronto in the afternoon. Doing so could potentially save you 28% 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?

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.

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. Saturday 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

Explore weekly flight availability from San Francisco to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2025.

The most flights from SFO to YTO are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

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.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated 29 April 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from San Francisco to Toronto have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    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$ 352. Other airlines that can offer you cheap pricing are Flair Airlines, from C$ 430, and Porter Airlines, from C$ 546. WestJet is currently priced 44% 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$ 173), Flair Airlines (C$ 193), and Alaska Airlines (C$ 262).

  • 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 - Toronto Region of Waterloo Intl.

  • 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 (88%), Air Canada (75%) and United Airlines (72%).

  • What are the cheapest flights from San Francisco to Toronto?

    Looking at all options, your cheapest flight can be booked for C$ 169. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 340 on average our data indicates C$ 397 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$ 167). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Pearson Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Oakland to Pearson Intl flights
San Jose to Pearson Intl flights
Las Vegas to Pearson Intl flights
Ontario to Pearson Intl flights
Los Angeles to Toronto Island flights
Sacramento to Pearson Intl flights
San Francisco to Toronto Island flights
San Diego to Pierre Elliott Trudeau Intl flights
Santa Ana to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Los Angeles to Region of Waterloo Intl flights
San Francisco to Hamilton flights
Burbank to Pearson Intl flights
San Jose to Pierre Elliott Trudeau Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Francisco to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Los Angeles to Ottawa flights
Fresno to Pearson Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Palm Springs to Pearson Intl flights
Santa Ana to Hamilton flights
Los Angeles to Hamilton flights
Oakland to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights
Medford to Pearson Intl flights
San Jose to Ottawa flights
Las Vegas to Hamilton flights
Santa Barbara to Pearson Intl flights
Monterey to Pearson Intl flights

Top 5 airlines flying from San Francisco to Toronto

Discover the top 5 airlines that operate flights from San Francisco to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 298AverageC$ 558FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 312AverageC$ 762FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 316AverageC$ 965FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 321AverageC$ 531FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 400AverageC$ 601FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.