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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from $243

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 1/20. 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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0 bags

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:45 am - 12:23 pm
YUL
-
SFO
8h 38m1 stop
Porter Airlines Logo
1:25 pm - 12:37 am
SFO
-
YUL
8h 12m1 stop
$385Porter Airlines
Fri, May 1 - Fri, May 8
WestJet Logo
6:45 am - 12:10 pm
YUL
-
SFO
32h 25m2 stops
WestJet Logo
12:50 pm - 12:42 am
SFO
-
YUL
8h 52m1 stop
$386WestJet
Thu, Apr 23 - Wed, Apr 29
Multiple Airlines Logo
6:45 am - 12:38 pm
YUL
-
SFO
8h 53m1 stop
Multiple Airlines Logo
1:00 pm - 7:05 am
SFO
-
YUL
15h 05m1 stop
$387Multiple Airlines
Tue, Jan 13 - Tue, Jan 27
WestJet Logo
6:45 am - 12:12 pm
YUL
-
SFO
32h 27m2 stops
WestJet Logo
1:00 pm - 12:43 am
SFO
-
YUL
32h 43m2 stops
$388WestJet
Thu, Jan 15 - Sun, Jan 25
WestJet Logo
6:45 am - 12:10 pm
YUL
-
SFO
32h 25m2 stops
WestJet Logo
1:00 pm - 7:05 am
SFO
-
YUL
15h 05m1 stop
$390WestJet
Sat, Feb 21 - Thu, Feb 26
Multiple Airlines Logo
6:45 am - 11:07 pm
YUL
-
SFO
19h 22m2 stops
Multiple Airlines Logo
1:00 pm - 7:05 am
SFO
-
YUL
15h 05m1 stop
$391Multiple Airlines
Tue, Jan 13 - Tue, Jan 27
Multiple Airlines Logo
7:30 pm - 9:30 am
YUL
-
SFO
17h 00m2 stops
Multiple Airlines Logo
1:00 pm - 7:05 am
SFO
-
YUL
15h 05m1 stop
$392Multiple Airlines
Wed, Jan 14 - Thu, Jan 29
Porter Airlines Logo
6:45 am - 12:40 pm
YUL
-
SFO
8h 55m1 stop
Porter Airlines Logo
1:40 pm - 12:35 am
SFO
-
YUL
7h 55m1 stop
$393Porter Airlines
Tue, Feb 17 - Wed, Mar 4
Air Canada Logo
9:00 am - 3:35 pm
YUL
-
SFO
9h 35m1 stop
Air Canada Logo
7:30 am - 7:25 pm
SFO
-
YUL
8h 55m1 stop
$394Air Canada
Tue, Feb 3 - Tue, Feb 10
Porter Airlines Logo
6:45 am - 12:38 pm
YUL
-
SFO
8h 53m1 stop
Porter Airlines Logo
1:40 pm - 12:35 am
SFO
-
YUL
7h 55m1 stop
$395Porter Airlines
Tue, Jan 13 - Fri, Jan 30

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
Jan 12
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
6h 32m
SFO9:22 pmSan Francisco
Jan 18
SFO8:25 amSan Francisco
5h 24m
YUL4:49 pmMontreal Pierre Elliott Trudeau Intl
$391
Find similar
Air Canada
Feb 3
YUL9:00 amMontreal Pierre Elliott Trudeau Intl
9h 35m
1 stop
SFO3:35 pmSan Francisco
Feb 10
SFO7:30 amSan Francisco
8h 55m
1 stop
YUL7:25 pmMontreal Pierre Elliott Trudeau Intl
$394
Find similar
Air Canada
Jan 10
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
6h 32m
SFO9:22 pmSan Francisco
Jan 17
SFO8:25 amSan Francisco
5h 24m
YUL4:49 pmMontreal Pierre Elliott Trudeau Intl
$402
Find similar

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
Jan 12
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
13h 04m
1 stop
SFO7:19 pmSan Francisco
Jan 12
SFO11:15 pmSan Francisco
11h 45m
1 stop
YUL2:00 pmMontreal Pierre Elliott Trudeau Intl
$424
Find similar
United Airlines
Jan 10
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
16h 42m
1 stop
SFO10:57 pmSan Francisco
Jan 17
SFO10:52 pmSan Francisco
13h 24m
1 stop
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
$426
Find similar
United Airlines
Jan 10
YUL2:13 pmMontreal Pierre Elliott Trudeau Intl
11h 44m
1 stop
SFO10:57 pmSan Francisco
Jan 17
SFO9:20 pmSan Francisco
14h 56m
1 stop
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
$429
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 832,500 searches. Data last updated December 9, 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

Fri 5/1

6:45 am-12:23 pm

1 stop8h 38m

San Francisco

Fri 5/8

1:25 pm-12:37 am

1 stop8h 12m

$385

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 4/23

6:45 am-12:10 pm

2 stops32h 25m

San Francisco

Wed 4/29

12:50 pm-12:42 am

1 stop8h 52m

$386

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

6:45 am-12:38 pm

1 stop8h 53m

San Francisco

Tue 1/27

1:00 pm-7:05 am

1 stop15h 05m

$387

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

6:45 am-12:12 pm

2 stops32h 27m

San Francisco

Sun 1/25

1:00 pm-12:43 am

2 stops32h 43m

$388

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

6:45 am-12:10 pm

2 stops32h 25m

San Francisco

Thu 2/26

1:00 pm-7:05 am

1 stop15h 05m

$390

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

6:45 am-11:07 pm

2 stops19h 22m

San Francisco

Tue 1/27

1:00 pm-7:05 am

1 stop15h 05m

$391

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

7:30 pm-9:30 am

2 stops17h 00m

San Francisco

Thu 1/29

1:00 pm-7:05 am

1 stop15h 05m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Wed 3/4

1:40 pm-12:35 am

1 stop7h 55m

$393

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

9:00 am-3:35 pm

1 stop9h 35m

San Francisco

Tue 2/10

7:30 am-7:25 pm

1 stop8h 55m

$394

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

6:45 am-12:38 pm

1 stop8h 53m

San Francisco

Fri 1/30

1:40 pm-12:35 am

1 stop7h 55m

$395

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?

If you aren’t able to travel to San Francisco during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $375.

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 when prices can be found for as low as $418. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $849.

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

Our data shows that the cheapest Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $421. Flights in the afternoon are often more expensive with an average ticket price of $694.

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 $414 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 $357 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 5% 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 December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights are approximately 7% 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

$319

Fastest flight time

6h 12m

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 $319. 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 $405.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco takes 6h 12m
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?

    The distance between Montreal Pierre Elliott Trudeau Intl and San Francisco is about 2526.7 mi. In terms of flight time, this usually takes a little over 6h 21m.

  • 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 refreshed on a daily basis.

  • 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 necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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
Porter AirlinesPriceFrom $245Free CancellationRating
8.0
397 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $289Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
United AirlinesPriceFrom $341Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights

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

    United Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco around 7 times per week, with 9,089 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in the last 72 hours was $341 (round-trip), much lower than the average airfare cost of $552 for United Airlines flights on this route.

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

    Air Canada (7.1/10 from 10,514 reviews) operates around 7 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 $423, with deals from around $289 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.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Big Sur
Calistoga
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Sunnyvale

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to San Francisco. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Francisco from Montreal which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Montreal.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Montreal and alert you when they change.

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