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Cheap flights from Canada to San Francisco from C$ 170

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Canada to San Francisco
Explore the most affordable flight options available from Canada to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 May 2026.

Fri 4/127:00 a.m.
YVR
-
SFO
Nonstop1h 30m
Flair Airlines
Sun 6/129:15 a.m.
SFO
-
YVR
Nonstop3h 25m
Flair Airlines
Deal found 29/5C$ 228
Mon 19/103:30 p.m.
YVR
-
SFO
Nonstop2h 30m
Flair Airlines
Wed 28/1010:15 a.m.
SFO
-
YVR
Nonstop2h 25m
Flair Airlines
Deal found 25/5C$ 250
Fri 19/63:30 p.m.
YVR
-
SFO
Nonstop2h 30m
Flair Airlines
Mon 22/66:45 p.m.
SFO
-
YVR
Nonstop2h 25m
Flair Airlines
Deal found 27/5C$ 255
Wed 17/63:30 p.m.
YVR
-
SFO
Nonstop2h 30m
Flair Airlines
Wed 24/66:45 p.m.
SFO
-
YVR
Nonstop2h 25m
Flair Airlines
Deal found 26/5C$ 263
Fri 27/117:00 a.m.
YVR
-
SFO
Nonstop1h 30m
Flair Airlines
Mon 30/119:15 a.m.
SFO
-
YVR
Nonstop3h 25m
Flair Airlines
Deal found 29/5C$ 277
Fri 10/73:30 p.m.
YVR
-
SFO
Nonstop2h 30m
Flair Airlines
Mon 13/76:45 p.m.
SFO
-
YVR
Nonstop2h 25m
Flair Airlines
Deal found 28/5C$ 283
Wed 26/87:55 p.m.
YYC
-
SFO
Nonstop3h 00m
WestJet
Sun 30/86:00 a.m.
SFO
-
YYC
Nonstop2h 40m
WestJet
Deal found 27/5C$ 284
Wed 17/66:00 a.m.
YVR
-
SFO
2 stops10h 40m
WestJet
Tue 23/66:00 a.m.
SFO
-
YVR
2 stops9h 30m
WestJet
Deal found 29/5C$ 286
Fri 21/87:55 p.m.
YYC
-
SFO
Nonstop3h 00m
WestJet
Mon 24/86:00 a.m.
SFO
-
YYC
Nonstop2h 40m
WestJet
Deal found 28/5C$ 298
Wed 1/72:40 p.m.
YYC
-
SFO
Nonstop3h 00m
WestJet
Wed 22/76:00 a.m.
SFO
-
YYC
Nonstop2h 40m
WestJet
Deal found 27/5C$ 302
Thu 20/82:40 p.m.
YYC
-
SFO
Nonstop3h 00m
WestJet
Mon 24/86:00 a.m.
SFO
-
YYC
Nonstop2h 40m
WestJet
Deal found 26/5C$ 305
Thu 16/72:40 p.m.
YYC
-
SFO
Nonstop3h 00m
WestJet
Thu 23/76:00 a.m.
SFO
-
YYC
Nonstop2h 40m
WestJet
Deal found 28/5C$ 313

Find flight deals from Canada to San Francisco

Keep the following information in mind while searching for Canada to San Francisco flight deals. Data was last updated 29 May 2026.

Round-trip from

C$ 250

One-way from

C$ 170

Popular in

December

Cheapest in

November

Average price

C$ 622

Good round-trip deal

C$ 325 or less

Good one-way deal

C$ 235 or less
Flair Airlines
  • Flair Airlines
  • 19/10-28/10
  • Nonstop
  • 4h 55m total
  • Canada to San Francisco
Search Deals
WestJet
  • WestJet
  • 15/6
  • 2 total stops
  • 10h 40m total
  • Canada to San Francisco
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Canada to San Francisco.
Search Deals
Price to beat on a one-way flight from Canada to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to San Francisco 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 May 2026.
Use the filters below to find and compare flights from Canada to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySan Francisco

YYC - SFO

YYCSFO

Calgary

Thu 17/9

7:45 a.m.-4:24 p.m.

1 stop9h 39m

San Francisco

Sun 20/9

1:22 p.m.-11:01 p.m.

1 stop8h 39m

C$ 401

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Fri 4/9

7:19 a.m.-4:51 p.m.

1 stop9h 32m

San Francisco

Sun 6/9

2:00 p.m.-9:11 p.m.

1 stop7h 11m

C$ 407
Quickest round-trip

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Fri 10/7

7:00 a.m.-9:25 a.m.

Nonstop2h 25m

San Francisco

Sun 12/7

8:51 p.m.-11:22 p.m.

Nonstop2h 31m

C$ 412

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Fri 26/6

8:25 a.m.-10:50 a.m.

Nonstop2h 25m

San Francisco

Mon 29/6

8:51 p.m.-11:22 p.m.

Nonstop2h 31m

C$ 440

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Thu 2/7

7:00 a.m.-9:25 a.m.

Nonstop2h 25m

San Francisco

Mon 6/7

6:15 a.m.-6:18 p.m.

1 stop12h 03m

C$ 440

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Mon 15/6

3:15 p.m.-5:39 p.m.

Nonstop2h 24m

San Francisco

Wed 24/6

9:00 p.m.-9:51 a.m.

1 stop12h 51m

C$ 441

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Thu 9/7

7:00 a.m.-9:25 a.m.

Nonstop2h 25m

San Francisco

Sun 12/7

7:56 p.m.-9:51 a.m.

1 stop13h 55m

C$ 441

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Wed 15/7

7:00 a.m.-9:25 a.m.

Nonstop2h 25m

San Francisco

Sun 19/7

6:15 a.m.-6:18 p.m.

1 stop12h 03m

C$ 441

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Sat 20/6

8:35 a.m.-10:56 p.m.

1 stop14h 21m

San Francisco

Sun 21/6

6:15 a.m.-6:18 p.m.

1 stop12h 03m

C$ 448

VancouverSan Francisco

YVR - SFO

YVRSFO

Vancouver Intl

Thu 18/6

3:35 p.m.-6:58 a.m.

1 stop15h 23m

San Francisco

Sat 4/7

6:15 a.m.-10:56 p.m.

1 stop16h 41m

C$ 448

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Canada to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Canada 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 Canada to San Francisco

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

Currently, October is the cheapest month in which you can book a flight from Canada to San Francisco (average of C$ 448). Flying from Canada to San Francisco in December is currently the most expensive (average of C$ 661). 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 CA to SFO?

Find hourly flight availability from Canada to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 May 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 42% on flights from Canada to San Francisco by exploring options for tickets at noon.

Weekly flight availability from Canada to San Francisco

Explore weekly flight availability from Canada to San Francisco. 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 May 2026.

The most flights from CA0 to SFO are scheduled on a Thursday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from Canada to San Francisco delayed?

About 21% of weekly flights between Canada and San Francisco have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for Canada to San Francisco flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Canada to San Francisco flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The price you pay for your flight from Canada to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 38 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 Canada to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Canada to San Francisco. Price data was last updated on 23 May 2026.

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

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 29 May 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Canada to San Francisco 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
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,763 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,349 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,096 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Flair Airlines
6.0
Okay
268 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

Find useful and relevant information for your journey from Canada to San Francisco. 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 into for flights to San Francisco from Canada?

    If you book a flight to San Francisco from Canada, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 17.7 km from the centre of San Francisco.

  • How long is the flight from Canada to San Francisco?

    Delta, United Airlines, and WestJet can get you from Canada to San Francisco in just under 2h 25m. Your travel time can differ by up to 7h 14m. The distance between Canada and San Francisco is about 1287 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airline one-way is Flair Airlines, with whom users have recently found tickets for as low as C$ 104. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Canada to San Francisco for a low price.

  • What are the most popular routes from Canada to San Francisco?

    While some choose either Vancouver Intl - San Francisco or Montreal Pierre Elliott Trudeau Intl - San Francisco, Toronto Pearson Intl - San Francisco is the most popular route from Canada to San Francisco.

  • What are the most reliable airlines from Canada to San Francisco?

    The top 3 most reliable airlines when flying from Canada to San Francisco are American Airlines (81%), Porter Airlines (81%) and Air Transat (81%).

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

    The cheapest flight price from Canada to San Francisco is C$ 260. On average you can expect to pay C$ 1,501. The most popular route, (Toronto Pearson Intl - San Francisco), can usually be booked for C$ 454.

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

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

  • How can I find direct flights from Canada to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Canada to San Francisco 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 Canada to San Francisco?

    Currently, October is the cheapest month in which you can book a flight from Canada to San Francisco (average of C$ 448). Flying from Canada to San Francisco in December is currently the most expensive (average of C$ 661). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Santa Clara
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Canada to San Francisco

Discover the top 8 airlines that operate flights from Canada to San Francisco. 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 104AverageC$ 385FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Flair AirlinesCheapestC$ 109AverageC$ 328FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air CanadaCheapestC$ 119AverageC$ 541FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 153AverageC$ 532FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 165AverageC$ 441FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 239AverageC$ 629FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 310AverageC$ 536FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 380AverageC$ 597FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Canada to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Canada to San Francisco.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Canada to San Francisco flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Canada to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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