Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Toronto from C$ 172

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
25 Feb — 4 Mar1
1 adult

The best prices from San Francisco to Toronto are usually found in February or March, booked 44 days in advance, depart on a Saturday or Friday 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 20 February 2025.

Round-trip from

C$ 249

One-way from

C$ 172

Popular in

December

Cheapest in

February

Average price

C$ 541

Good round-trip deal

C$ 318 or less

Good one-way deal

C$ 196 or less
15/4-22/4
  • 15/4-22/4
  • 2 total stops
  • 23h 26m total
  • San Francisco to Toronto
Search Deals
WestJet
  • WestJet
  • 1/5
  • 1 total stop
  • 8h 51m total
  • San Francisco to Toronto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 20 February 2025.

Tue 15/47:02 p.m.SFO - YYZ
1 stop8h 41mMultiple Airlines
Tue 22/48:00 p.m.YYZ - SFO
1 stop14h 45mMultiple Airlines
Deal found 19/2C$ 249
Sat 17/512:50 p.m.SFO - YKF
1 stop8h 56mWestJet
Sun 18/56:00 a.m.YKF - SFO
1 stop9h 05mWestJet
Deal found 19/2C$ 355
Thu 6/310:15 a.m.SFO - YYZ
1 stop17h 25mFlair Airlines
Wed 12/38:10 p.m.YYZ - SFO
1 stop16h 20mFlair Airlines
Deal found 19/2C$ 357
Wed 11/66:05 p.m.SFO - YYZ
1 stop9h 07mWestJet
Fri 20/66:30 a.m.YYZ - SFO
1 stop10h 29mWestJet
Deal found 18/2C$ 379
Wed 23/410:15 a.m.SFO - YKF
2 stops40h 00mMultiple Airlines
Wed 30/46:00 a.m.YKF - SFO
1 stop9h 05mMultiple Airlines
Deal found 19/2C$ 389
Wed 28/512:50 p.m.SFO - YHM
1 stop8h 51mWestJet
Wed 11/66:00 a.m.YHM - SFO
1 stop9h 05mWestJet
Deal found 19/2C$ 394
Thu 6/310:59 p.m.SFO - YYZ
2 stops19h 18mFrontier
Wed 12/34:10 p.m.YYZ - SFO
2 stops18h 06mFrontier
Deal found 19/2C$ 399
Tue 15/41:40 p.m.SFO - YYZ
Nonstop5h 02mPorter Airlines
Tue 22/49:45 a.m.YYZ - SFO
Nonstop5h 54mPorter Airlines
Deal found 19/2C$ 425
Thu 6/310:15 a.m.SFO - YTZ
2 stops27h 33mMultiple Airlines
Mon 10/33:30 p.m.YTZ - SFO
2 stops21h 00mMultiple Airlines
Deal found 19/2C$ 440
Wed 2/48:20 a.m.SFO - YTZ
1 stop10h 15mAir Canada
Tue 15/43:25 p.m.YTZ - SFO
1 stop9h 20mAir Canada
Deal found 20/2C$ 452
Sat 24/510:15 a.m.SFO - YHM
2 stops11h 26mMultiple Airlines
Sun 1/66:00 a.m.YHM - SFO
1 stop9h 05mMultiple Airlines
Deal found 18/2C$ 482
Sun 29/610:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Sat 5/78:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Deal found 19/2C$ 726

Find flights from San Francisco to Toronto within your budget

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 20 February 2025.

Fly from

San Francisco

Fly to

Toronto

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 15/4

7:02 p.m.-6:43 a.m.

1 stop8h 41m

Toronto Pearson Intl

Tue 22/4

8:00 p.m.-7:45 a.m.

1 stop14h 45m

C$ 249

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sat 17/5

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

1 stop8h 56m

Toronto Region of Waterloo Intl

Sun 18/5

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

1 stop9h 05m

C$ 355

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 6/3

10:15 a.m.-6:40 a.m.

1 stop17h 25m

Toronto Pearson Intl

Wed 12/3

8:10 p.m.-9:30 a.m.

1 stop16h 20m

C$ 357

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 11/6

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

1 stop9h 07m

Toronto Pearson Intl

Fri 20/6

6:30 a.m.-1:59 p.m.

1 stop10h 29m

C$ 379

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Wed 23/4

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

2 stops40h 00m

Toronto Region of Waterloo Intl

Wed 30/4

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

1 stop9h 05m

C$ 389

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

Wed 28/5

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

1 stop8h 51m

Hamilton

Wed 11/6

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

1 stop9h 05m

C$ 394

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 6/3

10:59 p.m.-9:17 p.m.

2 stops19h 18m

Toronto Pearson Intl

Wed 12/3

4:10 p.m.-7:16 a.m.

2 stops18h 06m

C$ 399

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 15/4

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

Nonstop5h 02m

Toronto Pearson Intl

Tue 22/4

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

Nonstop5h 54m

C$ 425

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Thu 6/3

10:15 a.m.-4:48 p.m.

2 stops27h 33m

Toronto Island

Mon 10/3

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

2 stops21h 00m

C$ 440

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 2/4

8:20 a.m.-9:35 p.m.

1 stop10h 15m

Toronto Island

Tue 15/4

3:25 p.m.-9:45 p.m.

1 stop9h 20m

C$ 452

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 34 results
1
2
3
4

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.

Travel insights for flights from San Francisco to Toronto

Get recent, data-driven insights about flights from San Francisco to Toronto including ideal travel times, pricing trends, and more.

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 14 February 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 20 February 2025.

It’s typically best to fly out from San Francisco to Toronto in the afternoon. Doing so could potentially save you 42% on the flight price compared to flying in the evening, 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. Tuesday 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 20 February 2025.

The most flights from SFO to YTO are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 20 February 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
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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
9,691 reviews
Alaska Airlines
8.0
Very good
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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
8,227 reviews
Alaska Airlines
8.0
Very good
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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
276 reviews
Alaska Airlines
8.0
Very good
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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

KLM
7.8
Good
1,333 reviews
Alaska Airlines
8.0
Very good
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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
380 reviews
Alaska Airlines
8.0
Very good
9,691 reviews
Check prices

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

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 18 daily outbound flights to Toronto from 6 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$ 355. Other airlines that can offer you cheap pricing are Flair Airlines, from C$ 357, and Frontier, from C$ 399. WestJet is currently priced 46% 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$ 172), Air Canada (C$ 196), and Porter Airlines (C$ 197).

  • 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 (77%), Air Transat (77%) and Austrian Airlines (74%).

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

    Looking at all options, your cheapest flight can be booked for C$ 172. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for C$ 240 on average our data indicates C$ 531 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
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Jose to Pearson Intl flights
San Diego to Pearson Intl flights
Las Vegas to Pearson Intl flights
Ontario to Pearson Intl flights
San Francisco to Toronto Island flights
Los Angeles to Toronto Island flights
Oakland to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Sacramento to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Santa Ana to Pearson Intl flights
San Francisco to Ottawa flights
Palm Springs to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
Los Angeles to Ottawa flights
San Jose to Pierre Elliott Trudeau Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Fresno to Pearson Intl flights
Reno to Pearson Intl flights
Burbank to Pearson Intl flights
Las Vegas to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
San Francisco to Hamilton flights
Oakland to Pierre Elliott Trudeau Intl flights
San Francisco to London flights
Las Vegas to Hamilton flights
Monterey to Pearson Intl flights
Sacramento to Ottawa flights
San Jose to Ottawa flights
Las Vegas to Region of Waterloo Intl flights
San Diego to Ottawa flights
San Jose to London flights
Santa Ana to Ottawa flights

Top 6 airlines flying from San Francisco to Toronto

Discover the top 6 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapestC$ 214AverageC$ 300FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
Porter AirlinesCheapestC$ 292AverageC$ 636FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 305AverageC$ 572FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 324AverageC$ 1,055FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 361AverageC$ 861FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 397AverageC$ 546FlexibilityNo 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.

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.