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Cheap flights from San Francisco to Toronto from C$ 186

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in February or March, booked 44 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 25 March 2025.

Round-trip from

C$ 340

One-way from

C$ 186

Popular in

December

Cheapest in

February

Average price

C$ 580

Good round-trip deal

C$ 422 or less

Good one-way deal

C$ 233 or less
Flair Airlines
  • Flair Airlines
  • 5/5-11/5
  • 2 total stops
  • 34h 00m total
  • San Francisco to Toronto
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WestJet
  • WestJet
  • 16/5
  • 2 total stops
  • 13h 07m total
  • San Francisco to Toronto
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Highest demand for flights based on searches. 6% potential increase in price (C$ 62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from San Francisco to Toronto (YTO).
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Price to beat on a one-way flight from San Francisco to Toronto (YTO).
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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 25 March 2025.

Mon 5/510:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Sun 11/58:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Deal found 24/3C$ 340
Tue 22/49:45 p.m.SFO - YYZ
1 stop29h 10mMultiple Airlines
Wed 30/412:00 p.m.YYZ - SFO
2 stops14h 59mMultiple Airlines
Deal found 24/3C$ 347
Wed 14/510:15 a.m.SFO - YKF
1 stop30h 10mMultiple Airlines
Mon 19/56:00 a.m.YKF - SFO
1 stop9h 05mMultiple Airlines
Deal found 24/3C$ 357
Thu 15/56:05 p.m.SFO - YYZ
1 stop9h 47mWestJet
Mon 19/56:30 a.m.YYZ - SFO
1 stop8h 35mWestJet
Deal found 24/3C$ 362
Sun 4/510:15 a.m.SFO - YYZ
1 stop18h 00mFlair Airlines
Tue 13/57:40 a.m.YYZ - SFO
1 stop28h 50mFlair Airlines
Deal found 23/3C$ 378
Wed 14/512:50 p.m.SFO - YHM
1 stop8h 51mWestJet
Sun 25/56:00 a.m.YHM - SFO
1 stop9h 05mWestJet
Deal found 24/3C$ 405
Wed 14/510:15 a.m.SFO - YTZ
2 stops27h 12mMultiple Airlines
Mon 19/57:00 a.m.YTZ - SFO
2 stops29h 30mMultiple Airlines
Deal found 24/3C$ 405
Thu 1/512:50 p.m.SFO - YKF
1 stop8h 56mWestJet
Mon 5/56:00 a.m.YKF - SFO
1 stop9h 05mWestJet
Deal found 25/3C$ 415
Thu 10/41:40 p.m.SFO - YYZ
Nonstop5h 02mPorter Airlines
Tue 15/49:45 a.m.YYZ - SFO
Nonstop5h 54mPorter Airlines
Deal found 24/3C$ 423
Mon 7/411:20 p.m.SFO - YYZ
1 stop9h 29mAir Canada
Tue 22/47:00 p.m.YYZ - SFO
Nonstop5h 49mAir Canada
Deal found 24/3C$ 519
Thu 8/58:15 a.m.SFO - YTZ
1 stop10h 20mAir Canada
Thu 15/512:25 p.m.YTZ - SFO
1 stop10h 45mAir Canada
Deal found 24/3C$ 544
Thu 17/410:52 p.m.SFO - YYZ
Nonstop5h 08mUnited Airlines
Sun 20/46:30 a.m.YYZ - SFO
Nonstop5h 49mUnited Airlines
Deal found 24/3C$ 576

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 25 March 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 - YKF

SFOYKF

San Francisco

Mon 5/5

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

1 stop17h 55m

Toronto Region of Waterloo Intl

Sun 11/5

8:25 p.m.-9:30 a.m.

1 stop16h 05m

C$ 340

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 22/4

9:45 p.m.-5:55 a.m.

1 stop29h 10m

Toronto Pearson Intl

Wed 30/4

12:00 p.m.-11:59 p.m.

2 stops14h 59m

C$ 347

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Wed 14/5

10:15 a.m.-7:25 p.m.

1 stop30h 10m

Toronto Region of Waterloo Intl

Mon 19/5

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 357

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 6/5

12:50 p.m.-12:24 a.m.

1 stop8h 34m

Toronto Pearson Intl

Tue 13/5

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

1 stop8h 35m

C$ 374

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 4/5

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

1 stop18h 00m

Toronto Pearson Intl

Tue 13/5

7:40 a.m.-9:30 a.m.

1 stop28h 50m

C$ 378

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 14/5

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

1 stop8h 51m

Hamilton

Sun 25/5

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 405

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 14/5

10:15 a.m.-4:27 p.m.

2 stops27h 12m

Toronto Island

Mon 19/5

7:00 a.m.-9:30 a.m.

2 stops29h 30m

C$ 405

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 1/5

12:50 p.m.-12:46 a.m.

1 stop8h 56m

Toronto Region of Waterloo Intl

Mon 5/5

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 415

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 10/4

1:40 p.m.-9:42 p.m.

Nonstop5h 02m

Toronto Pearson Intl

Tue 15/4

9:45 a.m.-12:39 p.m.

Nonstop5h 54m

C$ 423

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 7/4

11:20 p.m.-11:49 a.m.

1 stop9h 29m

Toronto Pearson Intl

Tue 22/4

7:00 p.m.-9:49 p.m.

Nonstop5h 49m

C$ 519

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 31 results
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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 21 March 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 44 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 25 March 2025.

It’s typically best to fly out from San Francisco to Toronto in the afternoon. Doing so could potentially save you 26% 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 25 March 2025.

The most flights from SFO to YTO are scheduled on a Tuesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 25 March 2025.
See what other customers who have flown with Alaska Airlines, Delta and Porter Airlines 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
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
275 reviews
Alaska Airlines
8.0
Very good
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
381 reviews
Alaska Airlines
8.0
Very good
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,789 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 16 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$ 340. Other airlines that can offer you cheap pricing are WestJet, from C$ 374, and Porter Airlines, from C$ 423. Flair Airlines is currently priced 49% 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$ 186), Flair Airlines (C$ 206), and Air Canada (C$ 215).

  • 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 Porter Airlines (75%), Air Transat (75%) and United Airlines (73%).

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

    Looking at all options, your cheapest flight can be booked for C$ 176. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 347 on average our data indicates C$ 382 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

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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.
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
Las Vegas to Pearson Intl flights
Ontario to Pearson Intl flights
Los Angeles to Toronto Island flights
San Francisco to Toronto Island flights
Sacramento to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
San Jose to Pearson Intl flights
Santa Ana to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Los Angeles to Region of Waterloo Intl flights
Oakland to Pearson Intl flights
Palm Springs to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Burbank to Pearson Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Los Angeles to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
San Francisco to Ottawa flights
San Jose to Pierre Elliott Trudeau Intl flights
Fresno to Pearson Intl flights
Oakland to Pierre Elliott Trudeau Intl flights
Los Angeles to Hamilton flights
Reno to Pearson Intl flights
San Francisco to Hamilton flights
Las Vegas to Ottawa flights
Burbank to Pierre Elliott Trudeau Intl flights
San Diego to Ottawa flights
San Jose to Ottawa flights
Fresno to Pierre Elliott Trudeau Intl flights
Santa Ana to Hamilton flights
Las Vegas to Region of Waterloo Intl flights
Sacramento to Ottawa flights
Long Beach to Pierre Elliott Trudeau 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 297AverageC$ 660FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 308AverageC$ 577FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 315AverageC$ 854FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 327AverageC$ 1,054FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 332AverageC$ 550FlexibilityNo cancel feeOn-time60%
Search WestJet 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.

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