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Cheap flights from Quebec to San Francisco from C$ 258

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
14 feb. — 21 feb.1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 enero 2026.

Round-trip from

C$ 403

One-way from

C$ 258

Popular in

December

Cheapest in

February

Average price

C$ 611

Good round-trip deal

C$ 986 or less

Good one-way deal

C$ 547 or less
WestJet
  • WestJet
  • 15/5-29/5
  • 2 total stops
  • 17h 29m total
  • Quebec to San Francisco
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9/2
  • 9/2
  • 2 total stops
  • 20h 42m total
  • Quebec to San Francisco
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Highest demand for flights based on searches. 12% potential increase in price (C$ 112 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Quebec to San Francisco.
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Price to beat on a one-way flight from Quebec to San Francisco.
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Find 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 15 enero 2026.

lun. 27/73:45 p.m.
YOW
-
SFO
1 stop8h 39m
WestJet
dom. 9/86:05 p.m.
SFO
-
YOW
1 stop9h 50m
WestJet
Deal found 14/1C$ 381
vie. 15/53:45 p.m.
YOW
-
SFO
1 stop8h 39m
WestJet
vie. 29/512:50 p.m.
SFO
-
YOW
1 stop8h 50m
WestJet
Deal found 14/1C$ 403
sáb. 31/15:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
lun. 9/211:56 p.m.
SFO
-
YUL
1 stop11h 04m
Air Canada
Deal found 14/1C$ 474
lun. 23/22:25 p.m.
YUL
-
SFO
1 stop11h 45m
American Airlines
lun. 9/311:30 a.m.
SFO
-
YUL
2 stops21h 54m
American Airlines
Deal found 13/1C$ 477
mié. 25/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
United Airlines
lun. 30/311:52 p.m.
SFO
-
YUL
1 stop13h 13m
United Airlines
Deal found 13/1C$ 479
mié. 18/35:40 a.m.
YOW
-
SFO
1 stop10h 05m
Multiple Airlines
mar. 24/310:14 p.m.
SFO
-
YOW
2 stops23h 26m
Multiple Airlines
Deal found 14/1C$ 479
dom. 1/28:25 a.m.
YUL
-
SFO
1 stop15h 52m
United Airlines
sáb. 7/28:25 a.m.
SFO
-
YUL
Nonstop5h 24m
United Airlines
Deal found 14/1C$ 481
vie. 6/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
lun. 9/210:18 p.m.
SFO
-
YUL
2 stops29h 47m
Multiple Airlines
Deal found 14/1C$ 482
jue. 18/66:45 a.m.
YUL
-
SFO
2 stops32h 09m
WestJet
mié. 8/77:30 a.m.
SFO
-
YUL
2 stops14h 10m
WestJet
Deal found 13/1C$ 484
mar. 3/36:00 a.m.
YOW
-
SFO
1 stop9h 10m
Multiple Airlines
sáb. 7/310:38 p.m.
SFO
-
YOW
2 stops38h 47m
Multiple Airlines
Deal found 14/1C$ 484
jue. 30/76:45 a.m.
YUL
-
SFO
1 stop13h 29m
WestJet
lun. 17/87:30 a.m.
SFO
-
YUL
2 stops14h 10m
WestJet
Deal found 13/1C$ 485
mié. 18/38:25 a.m.
YUL
-
SFO
2 stops13h 33m
United Airlines
mié. 1/412:45 a.m.
SFO
-
YUL
1 stop12h 57m
United Airlines
Deal found 14/1C$ 486

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 15 enero 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

vie. 15/5

3:45 p.m.-9:24 p.m.

1 stop8h 39m

San Francisco

vie. 29/5

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 403

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mar. 14/4

6:00 p.m.-9:21 p.m.

Nonstop6h 21m

San Francisco

vie. 17/4

10:50 p.m.-10:40 a.m.

1 stop8h 50m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

jue. 19/3

5:50 p.m.-9:22 p.m.

Nonstop6h 32m

San Francisco

mié. 1/4

12:45 a.m.-4:42 p.m.

1 stop12h 57m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

sáb. 14/3

5:50 p.m.-9:22 p.m.

Nonstop6h 32m

San Francisco

lun. 23/3

11:20 p.m.-11:40 a.m.

1 stop9h 20m

C$ 479

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

lun. 2/2

7:00 p.m.-1:30 a.m.

1 stop9h 30m

San Francisco

sáb. 7/2

8:25 a.m.-4:49 p.m.

Nonstop5h 24m

C$ 481

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

vie. 6/3

7:00 p.m.-1:28 a.m.

1 stop9h 28m

San Francisco

vie. 27/3

8:52 p.m.-4:58 p.m.

1 stop17h 06m

C$ 486

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mié. 18/3

4:45 p.m.-12:16 a.m.

1 stop10h 31m

San Francisco

mié. 1/4

11:52 p.m.-4:05 p.m.

1 stop13h 13m

C$ 486

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

vie. 20/3

7:00 p.m.-1:28 a.m.

1 stop9h 28m

San Francisco

mié. 1/4

12:45 a.m.-4:42 p.m.

1 stop12h 57m

C$ 486

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

jue. 5/3

2:13 p.m.-1:28 a.m.

1 stop14h 15m

San Francisco

vie. 27/3

8:52 p.m.-4:58 p.m.

1 stop17h 06m

C$ 486

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

vie. 13/3

7:00 p.m.-1:28 a.m.

1 stop9h 28m

San Francisco

dom. 22/3

8:52 p.m.-4:58 p.m.

1 stop17h 06m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

Showing 1-10 of 58 results
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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$ 168). Flying from Quebec to San Francisco in December is currently the most expensive (average of C$ 445). 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 15 enero 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 15 enero 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).

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, United Airlines, and Delta fly from Quebec to San Francisco in about 6h 21m. The time it takes to get you to your destination can typically vary by up to 9h 35m. 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$ 206 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 United Airlines and Air Canada, with prices starting from C$ 232 and C$ 235, 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 (62%), Brussels Airlines (62%), United Airlines( 62%).

  • 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$ 1,343, our data indicates the cheapest price to be C$ 281. The most popular route (Montreal Pierre Elliott Trudeau Intl - San Francisco), is priced around C$ 359.

  • 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$ 168). Flying from Quebec to San Francisco in December is currently the most expensive (average of C$ 445). 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 15 enero 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 165AverageC$ 543FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 168AverageC$ 419FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 258AverageC$ 616FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 300AverageC$ 393FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 304AverageC$ 393FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 351AverageC$ 735FlexibilityNo 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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