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Cheap flights from Quebec to San Francisco from C$ 272

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
24 May — 31 May1
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 24 April 2026.

Wed 1/712:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Sun 5/76:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 19/4C$ 397
Tue 30/66:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Mon 13/76:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 19/4C$ 399
Sat 22/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Wed 26/86:05 p.m.
SFO
-
YOW
2 stops15h 25m
WestJet
Deal found 19/4C$ 431
Tue 30/66:15 p.m.
YOW
-
SFO
2 stops20h 45m
WestJet
Sat 4/76:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 19/4C$ 434
Thu 9/76:45 a.m.
YUL
-
SFO
2 stops18h 10m
WestJet
Fri 17/76:05 p.m.
SFO
-
YUL
1 stop10h 00m
WestJet
Deal found 19/4C$ 456
Fri 2/106:45 a.m.
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Mon 5/101:20 p.m.
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Deal found 20/4C$ 458
Tue 23/66:15 p.m.
YOW
-
SFO
2 stops30h 40m
WestJet
Tue 7/76:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 19/4C$ 460
Fri 14/86:45 a.m.
YUL
-
SFO
2 stops18h 10m
WestJet
Fri 21/86:05 p.m.
SFO
-
YUL
1 stop10h 00m
WestJet
Deal found 19/4C$ 461
Mon 14/97:30 p.m.
YQB
-
SFO
1 stop19h 30m
WestJet
Mon 21/96:00 a.m.
SFO
-
YQB
1 stop9h 40m
WestJet
Deal found 23/4C$ 462
Thu 13/86:45 a.m.
YUL
-
SFO
2 stops12h 55m
WestJet
Thu 20/81:00 p.m.
SFO
-
YUL
2 stops32h 25m
WestJet
Deal found 19/4C$ 465
Mon 11/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Thu 14/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 19/4C$ 465
Thu 6/86:45 a.m.
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Sat 15/81:20 p.m.
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Deal found 22/4C$ 466

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 24 April 2026.

Round-trip from

C$ 397

One-way from

C$ 272

Popular in

December

Cheapest in

August

Average price

C$ 651

Good round-trip deal

C$ 948 or less

Good one-way deal

C$ 403 or less
WestJet
  • WestJet
  • 1/7-5/7
  • 3 total stops
  • 21h 00m total
  • Quebec to San Francisco
Search Deals
WestJet
  • WestJet
  • 11/5
  • 2 total stops
  • 12h 30m total
  • Quebec to San Francisco
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 24 April 2026.
Use the filters below to find and compare flights from Quebec to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

6:45 a.m.-12:20 p.m.

1 stop8h 35m

San Francisco

Fri 30/10

1:40 p.m.-12:35 a.m.

1 stop7h 55m

C$ 523

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

6:35 p.m.-1:15 a.m.

1 stop9h 40m

San Francisco

Sat 4/7

11:47 p.m.-8:25 a.m.

Nonstop5h 38m

C$ 581

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:00 a.m.-2:15 p.m.

1 stop11h 15m

San Francisco

Fri 29/5

9:55 p.m.-11:35 a.m.

1 stop10h 40m

C$ 590

Québec CitySan Francisco

YQB - SFO

YQBSFO

Québec City

Thu 20/8

7:30 p.m.-9:55 p.m.

1 stop29h 25m

San Francisco

Mon 24/8

6:00 a.m.-6:40 p.m.

1 stop9h 40m

C$ 595

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

6:35 p.m.-9:50 p.m.

Nonstop6h 15m

San Francisco

Wed 28/10

10:55 p.m.-3:02 p.m.

1 stop13h 07m

C$ 595

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

2:20 p.m.-9:28 p.m.

1 stop10h 08m

San Francisco

Mon 26/10

11:55 p.m.-1:10 p.m.

1 stop10h 15m

C$ 603
Quickest round-trip

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

6:35 p.m.-9:50 p.m.

Nonstop6h 15m

San Francisco

Sun 6/9

6:05 a.m.-5:30 p.m.

1 stop8h 25m

C$ 607

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

5:40 p.m.-9:02 p.m.

Nonstop6h 22m

San Francisco

Sun 24/5

4:34 p.m.-11:33 a.m.

1 stop15h 59m

C$ 614

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

9:15 a.m.-11:15 p.m.

1 stop17h 00m

San Francisco

Fri 29/5

12:45 a.m.-9:26 p.m.

2 stops17h 41m

C$ 616

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:35 p.m.-9:51 p.m.

Nonstop6h 16m

San Francisco

Sun 5/7

10:38 p.m.-10:40 a.m.

1 stop9h 02m

C$ 617

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

To ensure you get the cheapest price possible for a flight from Quebec to San Francisco, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Quebec to San Francisco (average of C$ 218). Flying from Quebec to San Francisco in October is currently the most expensive (average of C$ 357). 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 24 April 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 24 April 2026.

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

How much does it cost to fly round-trip from Quebec to San Francisco?

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 17.7 km journey from San Francisco (SFO) to San Francisco’s city centre.

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

    Airlines like Porter Airlines, United Airlines, and Delta fly from Quebec to San Francisco in about 8h 35m. The time it takes to get you to your destination can typically vary by up to 2h 40m. 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$ 233 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$ 250 and C$ 272, respectively.

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

    Most travellers choose Montreal Pierre Elliott Trudeau Intl - San Francisco, Québec City - San Francisco or Ottawa - 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: Air Canada (55%), Brussels Airlines (54%), United Airlines( 53%).

  • 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$ 1,285, our data indicates the cheapest price to be C$ 285. The most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco), is priced around C$ 356.

  • 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, January is the cheapest month in which you can book a flight from Quebec to San Francisco (average of C$ 218). Flying from Quebec to San Francisco in October is currently the most expensive (average of C$ 357). 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 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 254AverageC$ 670FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 282AverageC$ 433FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 368AverageC$ 530FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 377AverageC$ 566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 387AverageC$ 742FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 413AverageC$ 498FlexibilityNo cancel feeOn-time71%
Search American 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 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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