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Cheap flights from Quebec to San Francisco from C$ 238

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Quebec to San Francisco
Explore the most affordable flight options available from Quebec to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 February 2026.

Fri 10/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 13/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 4/2C$ 434
Sun 7/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 8/66:05 p.m.
SFO
-
YOW
1 stop8h 35m
WestJet
Deal found 5/2C$ 436
Fri 3/46:00 p.m.
YUL
-
SFO
Nonstop6h 21m
Air Canada
Thu 9/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 5/2C$ 441
Sat 16/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sat 23/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 4/2C$ 441
Tue 24/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Fri 3/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 5/2C$ 442
Wed 1/46:00 p.m.
YUL
-
SFO
Nonstop6h 21m
Air Canada
Wed 22/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 3/2C$ 445
Mon 30/36:00 p.m.
YUL
-
SFO
Nonstop6h 22m
Air Canada
Tue 14/411:55 a.m.
SFO
-
YUL
1 stop8h 26m
Air Canada
Deal found 4/2C$ 446
Fri 27/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Sun 5/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 5/2C$ 449
Sun 17/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sat 23/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 5/2C$ 449
Fri 10/47:30 a.m.
YUL
-
SFO
1 stop11h 02m
Air Canada
Mon 13/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 4/2C$ 450
Wed 1/46:00 p.m.
YUL
-
SFO
Nonstop6h 21m
Air Canada
Mon 20/47:25 a.m.
SFO
-
YUL
1 stop10h 38m
Air Canada
Deal found 3/2C$ 453
Sun 31/56:45 a.m.
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Fri 5/61:20 p.m.
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Deal found 3/2C$ 457

Find flight deals from Quebec to San Francisco

Keep the following information in mind while searching for Quebec to San Francisco flight deals. Data was last updated 6 February 2026.

Round-trip from

C$ 434

One-way from

C$ 259

Popular in

December

Cheapest in

May

Average price

C$ 509

Good round-trip deal

C$ 804 or less

Good one-way deal

C$ 538 or less
Porter Airlines
  • Porter Airlines
  • 10/4-13/4
  • 2 total stops
  • 16h 50m total
  • Quebec to San Francisco
Search Deals
WestJet
  • WestJet
  • 10/3
  • 1 total stop
  • 9h 10m total
  • Quebec to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Quebec to San Francisco.
Search Deals
Price to beat on a one-way flight from Quebec to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quebec 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 6 February 2026.
Use the filters below to find and compare flights from Quebec to San Francisco that are best for you.

Fly from

Quebec

Fly to

San Francisco

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 16/5

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Sat 23/5

6:00 a.m.-5:20 p.m.

1 stop8h 20m

C$ 441

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

7:30 a.m.-3:22 p.m.

1 stop10h 52m

San Francisco

Wed 3/6

8:05 a.m.-4:45 p.m.

Nonstop5h 40m

C$ 460

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 22/5

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Sat 30/5

6:00 a.m.-12:30 p.m.

2 stops27h 30m

C$ 467

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 17/5

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Sat 23/5

6:00 a.m.-12:30 p.m.

2 stops27h 30m

C$ 467

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

11:23 a.m.-5:46 p.m.

1 stop9h 23m

San Francisco

Sun 10/5

10:55 p.m.-10:40 a.m.

1 stop8h 45m

C$ 478

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

6:00 a.m.-2:42 p.m.

1 stop11h 42m

San Francisco

Tue 21/4

6:00 a.m.-5:35 p.m.

1 stop8h 35m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

6:35 p.m.-1:17 a.m.

1 stop9h 42m

San Francisco

Tue 28/4

4:55 p.m.-10:40 a.m.

1 stop14h 45m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

12:44 p.m.-11:55 p.m.

1 stop14h 11m

San Francisco

Sat 2/5

11:39 p.m.-11:38 a.m.

1 stop8h 59m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

6:00 a.m.-10:42 a.m.

1 stop7h 42m

San Francisco

Sat 30/5

11:59 p.m.-11:35 a.m.

1 stop8h 36m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

9:15 a.m.-5:39 p.m.

1 stop11h 24m

San Francisco

Sat 2/5

6:45 a.m.-9:26 p.m.

2 stops11h 41m

C$ 479

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

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Best time to book a flight from Quebec to San Francisco

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

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

Currently, May is the cheapest month in which you can book a flight from Quebec to San Francisco (average of C$ 166). Flying from Quebec to San Francisco in December is currently the most expensive (average of C$ 438). 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 QC to SFO?

Find hourly flight availability from Quebec 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 6 February 2026.

When flying from Quebec to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Quebec to San Francisco

Explore weekly flight availability from Quebec 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 6 February 2026.

The most flights from CAQC to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Quebec 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 Quebec?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Quebec to San Francisco. It is only a 19.0 km journey from San Francisco (SFO) to San Francisco’s city centre.

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

    Airlines like WestJet, Air Canada, and United Airlines fly from Quebec to San Francisco in about 9h 23m. The time it takes to get you to your destination can typically vary by up to 3h 07m. Quebec and San Francisco are separated by a distance of 4073 km. This flight may include one or multiple stops.

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

    C$ 204 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 251 and C$ 270, respectively.

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

    Most travellers choose Montreal Pierre Elliott Trudeau Intl - San Francisco, Ottawa - San Francisco or Québec City - San Francisco when deciding on the best route from Quebec to San Francisco.

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

    Before booking your flight to San Francisco from Quebec, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (53%), Air Canada (52%), United Airlines( 52%).

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

    Looking for the cheapest flight from Quebec to San Francisco? While on average our users pay C$ 1,452, our data indicates the cheapest price to be C$ 277. The most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco), is priced around C$ 431.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Quebec to San Francisco (average of C$ 166). Flying from Quebec to San Francisco in December is currently the most expensive (average of C$ 438). 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
Richmond
Newark
Burlingame
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo

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Alternative routes for Quebec to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Quebec to San Francisco

Discover the top 6 airlines that operate flights from Quebec 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 6 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 162AverageC$ 526FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 165AverageC$ 413FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 254AverageC$ 622FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 288AverageC$ 407FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 299AverageC$ 386FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 345AverageC$ 722FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Quebec to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Quebec 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 Quebec to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Quebec by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to San Francisco from Quebec 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 Quebec to San Francisco become cheaper?

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

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