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Cheap flights from Quebec to San Francisco from C$ 240

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
25 Aug — 1 Sep1
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 26 July 2026.

Tue 1/93:56 p.m.
YQB
-
SFO
1 stop22h 36m
American Airlines
Tue 15/93:10 p.m.
SFO
-
YQB
1 stop19h 37m
American Airlines
Deal found 24/7C$ 406
Mon 24/812:29 p.m.
YQB
-
SFO
1 stop25h 59m
American Airlines
Tue 1/910:12 p.m.
SFO
-
YQB
1 stop12h 00m
American Airlines
Deal found 22/7C$ 435
Thu 3/91:47 p.m.
YQB
-
SFO
1 stop12h 12m
American Airlines
Wed 16/93:58 p.m.
SFO
-
YQB
2 stops18h 49m
American Airlines
Deal found 23/7C$ 475
Thu 27/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Wed 2/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 23/7C$ 507
Wed 16/96:55 a.m.
YOW
-
SFO
2 stops12h 45m
WestJet
Wed 30/96:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Deal found 23/7C$ 509
Mon 19/101:20 p.m.
YOW
-
SFO
1 stop11h 35m
WestJet
Sat 24/101:00 p.m.
SFO
-
YOW
1 stop13h 35m
WestJet
Deal found 23/7C$ 510
Wed 9/96:45 a.m.
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Tue 29/91:20 p.m.
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Deal found 25/7C$ 513
Sat 22/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Sat 29/86:00 a.m.
SFO
-
YOW
1 stop20h 35m
WestJet
Deal found 25/7C$ 514
Sat 5/96:45 a.m.
YUL
-
SFO
2 stops12h 55m
WestJet
Sun 20/91:00 p.m.
SFO
-
YUL
1 stop15h 05m
WestJet
Deal found 25/7C$ 514
Wed 21/107:00 a.m.
YOW
-
SFO
1 stop8h 20m
Multiple Airlines
Wed 21/106:05 p.m.
SFO
-
YOW
1 stop8h 30m
Multiple Airlines
Deal found 25/7C$ 516
Wed 16/96:45 a.m.
YUL
-
SFO
2 stops12h 55m
WestJet
Thu 1/106:00 a.m.
SFO
-
YUL
1 stop22h 05m
WestJet
Deal found 23/7C$ 517
Mon 24/81:56 p.m.
YQB
-
SFO
1 stop24h 30m
American Airlines
Fri 28/810:12 p.m.
SFO
-
YQB
1 stop14h 04m
American Airlines
Deal found 24/7C$ 517

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 26 July 2026.

Round-trip from

C$ 406

One-way from

C$ 240

Popular in

July

Cheapest in

January

Average price

C$ 807

Good round-trip deal

C$ 786 or less

Good one-way deal

C$ 876 or less
American Airlines
  • American Airlines
  • 1/9-15/9
  • 2 total stops
  • 42h 13m total
  • Quebec to San Francisco
Search Deals
American Airlines
  • American Airlines
  • 8/9
  • 1 total stop
  • 24h 33m total
  • Quebec to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 26 July 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

Québec CitySan Francisco

YQB - SFO

YQBSFO

Québec City

Mon 24/8

1:56 p.m.-11:26 a.m.

1 stop24h 30m

San Francisco

Fri 28/8

10:12 p.m.-3:16 p.m.

1 stop14h 04m

C$ 517

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 22/10

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

2 stops12h 30m

San Francisco

Mon 26/10

1:00 p.m.-12:45 a.m.

1 stop8h 45m

C$ 561

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 7/10

6:55 a.m.-4:40 p.m.

2 stops12h 45m

San Francisco

Tue 13/10

6:00 a.m.-7:20 p.m.

1 stop10h 20m

C$ 561

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 12/9

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

2 stops12h 30m

San Francisco

Sat 26/9

1:00 p.m.-12:30 p.m.

2 stops20h 30m

C$ 583

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

5:55 p.m.-12:45 p.m.

2 stops21h 50m

San Francisco

Thu 3/12

1:45 p.m.-12:35 a.m.

1 stop7h 50m

C$ 602

Québec CitySan Francisco

YQB - SFO

YQBSFO

Québec City

Tue 11/8

1:56 p.m.-10:03 a.m.

1 stop23h 07m

San Francisco

Tue 18/8

11:28 p.m.-11:48 a.m.

1 stop9h 20m

C$ 602

Québec CitySan Francisco

YQB - SFO

YQBSFO

Québec City

Thu 20/8

7:30 p.m.-4:40 p.m.

1 stop24h 10m

San Francisco

Mon 24/8

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

1 stop9h 40m

C$ 617

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 26/10

7:00 a.m.-12:45 p.m.

1 stop8h 45m

San Francisco

Fri 30/10

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 624

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 26/10

6:00 a.m.-12:10 p.m.

1 stop9h 10m

San Francisco

Fri 30/10

1:00 p.m.-12:42 a.m.

2 stops32h 42m

C$ 647

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 9/10

6:25 p.m.-12:00 p.m.

2 stops44h 35m

San Francisco

Sat 17/10

1:00 p.m.-3:20 p.m.

1 stop23h 20m

C$ 647

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 58 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

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$ 600). Flying from Quebec to San Francisco in June is currently the most expensive (average of C$ 865). 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 26 July 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 26 July 2026.

The most flights from CAQC to SFO are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Quebec to San Francisco flights typically cost between C$ 633 and C$ 922 in September.
The cheapest round-trip price found within the last 5 days was C$ 513 on Porter Airlines (9 Sep-29 Sep).

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 83 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.

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, WestJet, and American Airlines 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 15h 55m. 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$ 240 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$ 285 and C$ 295, 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: Air New Zealand (59%), Air Canada (58%), United Airlines( 58%).

  • 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$ 1,311, our data indicates the cheapest price to be C$ 507. The most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco), is priced around C$ 461.

  • 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$ 600). Flying from Quebec to San Francisco in June is currently the most expensive (average of C$ 865). 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
Santa Clara
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 291AverageC$ 508FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 325AverageC$ 730FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 379AverageC$ 568FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 382AverageC$ 705FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 425AverageC$ 663FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 429AverageC$ 826FlexibilityNo 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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