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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from C$ 263

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco departing on 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (YUL-SFO)

Cheap round-trip flights

Logo
6:45 a.m. - 1:57 p.m.YUL-SFO
34h 12m2 stops
Logo
10:15 a.m. - 4:12 p.m.SFO-YUL
26h 57m1 stop
C$ 451
Find Deal
Thu, 16 Oct - Fri, 24 Oct
Logo
6:45 a.m. - 9:30 a.m.YUL-SFO
29h 45m2 stops
Logo
10:15 a.m. - 4:12 p.m.SFO-YUL
26h 57m1 stop
C$ 453
Find Deal
Wed, 15 Oct - Fri, 24 Oct
Logo
7:00 a.m. - 9:30 a.m.YUL-SFO
29h 30m1 stop
Logo
12:50 p.m. - 2:09 p.m.SFO-YUL
22h 19m2 stops
C$ 455
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Air Canada Logo
8:25 a.m. - 3:28 p.m.YUL-SFO
10h 03m1 stop
Air Canada Logo
11:40 a.m. - 8:05 p.m.SFO-YUL
5h 25mdirect
C$ 480Air Canada
Find Deal
Wed, 24 Sep - Wed, 1 Oct
Air Canada Logo
7:30 a.m. - 3:28 p.m.YUL-SFO
10h 58m1 stop
Air Canada Logo
11:40 a.m. - 8:05 p.m.SFO-YUL
5h 25mdirect
C$ 481Air Canada
Find Deal
Thu, 18 Sep - Wed, 24 Sep
WestJet Logo
7:00 a.m. - 1:57 p.m.YUL-SFO
33h 57m2 stops
WestJet Logo
12:50 p.m. - 12:41 a.m.SFO-YUL
8h 51m1 stop
C$ 492WestJet
Find Deal
Thu, 18 Sep - Wed, 24 Sep
WestJet Logo
5:30 p.m. - 9:24 p.m.YUL-SFO
30h 54m1 stop
WestJet Logo
12:50 p.m. - 12:41 a.m.SFO-YUL
8h 51m1 stop
C$ 495WestJet
Find Deal
Fri, 19 Sep - Tue, 23 Sep
United Airlines Logo
6:30 p.m. - 9:40 p.m.YUL-SFO
6h 10mdirect
United Airlines Logo
11:57 p.m. - 7:45 p.m.SFO-YUL
16h 48m1 stop
C$ 506United Airlines
Find Deal
Sat, 13 Sep - Fri, 19 Sep
United Airlines Logo
6:30 p.m. - 9:40 p.m.YUL-SFO
6h 10mdirect
United Airlines Logo
11:45 p.m. - 8:16 a.m.SFO-YUL
5h 31mdirect
C$ 510United Airlines
Find Deal
Wed, 17 Sep - Fri, 19 Sep
American Airlines Logo
7:29 a.m. - 7:23 p.m.YUL-SFO
14h 54m1 stop
American Airlines Logo
12:50 a.m. - 2:49 p.m.SFO-YUL
10h 59m1 stop
C$ 521American Airlines
Find Deal
Wed, 8 Oct - Sun, 19 Oct

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets
United Airlines
13 Sep
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 p.m.San Francisco
19 Sep
SFO11:57 p.m.San Francisco
16h 48m
1 stop
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 506
Find similar
United Airlines
17 Sep
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 p.m.San Francisco
19 Sep
SFO11:45 p.m.San Francisco
5h 31m
YUL8:16 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 510
Find similar
United Airlines
19 Sep
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 p.m.San Francisco
23 Sep
SFO11:10 p.m.San Francisco
8h 30m
1 stop
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 511
Find similar

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets
Air Canada
24 Sep
YUL8:25 a.m.Montreal Pierre Elliott Trudeau Intl
10h 03m
1 stop
SFO3:28 p.m.San Francisco
1 Oct
SFO11:40 a.m.San Francisco
5h 25m
YUL8:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 480
Find similar
Air Canada
18 Sep
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
10h 58m
1 stop
SFO3:28 p.m.San Francisco
24 Sep
SFO11:40 a.m.San Francisco
5h 25m
YUL8:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 481
Find similar
Air Canada
18 Sep
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
10h 58m
1 stop
SFO3:28 p.m.San Francisco
24 Sep
SFO8:30 a.m.San Francisco
5h 28m
YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 482
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 25 August 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

6:45 a.m.-1:57 p.m.

2 stops34h 12m

San Francisco

Fri 24/10

10:15 a.m.-4:12 p.m.

1 stop26h 57m

C$ 451

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:45 a.m.-9:30 a.m.

2 stops29h 45m

San Francisco

Fri 24/10

10:15 a.m.-4:12 p.m.

1 stop26h 57m

C$ 453

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

7:00 a.m.-9:30 a.m.

1 stop29h 30m

San Francisco

Wed 15/10

12:50 p.m.-2:09 p.m.

2 stops22h 19m

C$ 455

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

8:25 a.m.-3:28 p.m.

1 stop10h 03m

San Francisco

Wed 1/10

11:40 a.m.-8:05 p.m.

Nonstop5h 25m

C$ 480

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

7:30 a.m.-3:28 p.m.

1 stop10h 58m

San Francisco

Wed 24/9

11:40 a.m.-8:05 p.m.

Nonstop5h 25m

C$ 481

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

7:00 a.m.-1:57 p.m.

2 stops33h 57m

San Francisco

Wed 24/9

12:50 p.m.-12:41 a.m.

1 stop8h 51m

C$ 492

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

5:30 p.m.-9:24 p.m.

1 stop30h 54m

San Francisco

Tue 23/9

12:50 p.m.-12:41 a.m.

1 stop8h 51m

C$ 495

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Fri 19/9

11:57 p.m.-7:45 p.m.

1 stop16h 48m

C$ 506

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

6:30 p.m.-9:40 p.m.

Nonstop6h 10m

San Francisco

Fri 19/9

11:45 p.m.-8:16 a.m.

Nonstop5h 31m

C$ 510

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

7:29 a.m.-7:23 p.m.

1 stop14h 54m

San Francisco

Sun 19/10

12:50 a.m.-2:49 p.m.

1 stop10h 59m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport is in April. Flight prices, which tend to average around C$ 476, are often lower during this time because this is during the off-season. The month of September is another great option to travel to San Francisco, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around C$ 502.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is on a Friday. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 962. On the other hand, Monday is the most expensive day to depart from Montreal Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,281.

What is the cheapest time of day to depart on your flight to San Francisco?

Flying to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 374 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 1,254.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to San Francisco flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Francisco for the best Montreal Pierre Elliott Trudeau Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 569 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 499 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to San Francisco flights?

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights?

You could potentially save up to 1% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight.

How have Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight prices changed over time?

As of August 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (YUL to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Best price found

C$ 551

Fastest flight time

6h 06m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 551. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco found on momondo in the last 72 hours is C$ 641.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco takes 6h 06m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to San Francisco by plane?

    A flight from Montreal Pierre Elliott Trudeau Intl to San Francisco will travel around 4066.3 km. A reasonable flight in good conditions will take 6h 06m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 239Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 302Free CancellationRating
7.9
344 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 332Free CancellationRating
7.2
3,050 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 439Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 456Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 499Free CancellationRating
7.7
428 reviews
Search Air Transat flights

  • United Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

    United Airlines operates around 20 flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco every week. The average price of these flights found in the last 72 hours has been C$ 465, but momondo users have found United Airlines deals from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from as low as C$ 318 round-trip. United Airlines has been scored 7.4/10 in 8,940 reviews.

  • Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

    Air Canada (7.1/10 from 10,000 reviews) operates around 20 flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in any given week. The average Air Canada airfare for this route is around C$ 466, with deals from around C$ 330 rare but found on momondo. Referenced prices are for round-trip Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight searches in the last 72 hours.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Mateo
Belmont
Los Altos
San Bruno
Santa Cruz
Newark
Fremont
Turlock
South San Francisco
Mountain View
Half Moon Bay
Sunnyvale
Cupertino
Mill Valley
Los Banos
Palo Alto
Pacifica
Berkeley
Roseville
Woodland

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montreal to San Francisco?

Once all potential Montreal to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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