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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from $190

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 9/28. 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 am - 1:57 pmYUL-SFO
34h 12m2 stops
Logo
10:15 am - 4:12 pmSFO-YUL
26h 57m1 stop
$326
Find Deal
Thu, Oct 16 - Fri, Oct 24
Logo
6:45 am - 9:30 amYUL-SFO
29h 45m2 stops
Logo
10:15 am - 4:12 pmSFO-YUL
26h 57m1 stop
$328
Find Deal
Wed, Oct 15 - Fri, Oct 24
Logo
7:00 am - 9:30 amYUL-SFO
29h 30m1 stop
Logo
12:50 pm - 2:09 pmSFO-YUL
22h 19m2 stops
$329
Find Deal
Wed, Oct 8 - Wed, Oct 15
Air Canada Logo
8:25 am - 3:28 pmYUL-SFO
10h 03m1 stop
Air Canada Logo
11:40 am - 8:05 pmSFO-YUL
5h 25mnonstop
$347Air Canada
Find Deal
Wed, Sep 24 - Wed, Oct 1
Air Canada Logo
7:30 am - 3:28 pmYUL-SFO
10h 58m1 stop
Air Canada Logo
8:30 am - 4:58 pmSFO-YUL
5h 28mnonstop
$348Air Canada
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Sat, Sep 20 - Tue, Sep 30
WestJet Logo
7:00 am - 1:57 pmYUL-SFO
33h 57m2 stops
WestJet Logo
12:50 pm - 12:41 amSFO-YUL
8h 51m1 stop
$355WestJet
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Thu, Sep 18 - Wed, Sep 24
WestJet Logo
7:00 am - 1:57 pmYUL-SFO
33h 57m2 stops
WestJet Logo
12:50 pm - 12:41 amSFO-YUL
8h 51m1 stop
$356WestJet
Find Deal
Thu, Sep 18 - Wed, Sep 24
United Airlines Logo
6:30 pm - 9:40 pmYUL-SFO
6h 10mnonstop
United Airlines Logo
11:45 pm - 8:16 amSFO-YUL
5h 31mnonstop
$364United Airlines
Find Deal
Thu, Sep 18 - Wed, Sep 24
United Airlines Logo
6:30 pm - 9:40 pmYUL-SFO
6h 10mnonstop
United Airlines Logo
5:15 am - 5:26 pmSFO-YUL
9h 11m1 stop
$369United Airlines
Find Deal
Thu, Sep 18 - Wed, Sep 24
Porter Airlines Logo
6:45 am - 12:40 pmYUL-SFO
8h 55m1 stop
Porter Airlines Logo
1:40 pm - 12:35 amSFO-YUL
7h 55m1 stop
$380Porter Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 19

WestJet flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets
WestJet
Sep 18
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
33h 57m
2 stops
SFO1:57 pmSan Francisco
Sep 24
SFO12:50 pmSan Francisco
8h 51m
1 stop
YUL12:41 amMontreal Pierre Elliott Trudeau Intl
$355
Find similar
WestJet
Sep 18
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
33h 57m
2 stops
SFO1:57 pmSan Francisco
Sep 24
SFO12:50 pmSan Francisco
8h 51m
1 stop
YUL12:41 amMontreal Pierre Elliott Trudeau Intl
$356
Find similar
WestJet
Sep 18
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
17h 24m
1 stop
SFO9:24 pmSan Francisco
Sep 24
SFO12:50 pmSan Francisco
8h 51m
1 stop
YUL12:41 amMontreal Pierre Elliott Trudeau Intl
$359
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
Sep 18
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 pmSan Francisco
Sep 24
SFO11:45 pmSan Francisco
5h 31m
YUL8:16 amMontreal Pierre Elliott Trudeau Intl
$364
Find similar
United Airlines
Sep 18
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 pmSan Francisco
Sep 24
SFO5:15 amSan Francisco
9h 11m
1 stop
YUL5:26 pmMontreal Pierre Elliott Trudeau Intl
$369
Find similar
United Airlines
Oct 1
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
6h 10m
SFO9:40 pmSan Francisco
Oct 13
SFO11:25 pmSan Francisco
10h 44m
1 stop
YUL1:09 pmMontreal Pierre Elliott Trudeau Intl
$370
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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 August 26, 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 10/16

6:45 am-1:57 pm

2 stops34h 12m

San Francisco

Fri 10/24

10:15 am-4:12 pm

1 stop26h 57m

$326

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:45 am-9:30 am

2 stops29h 45m

San Francisco

Fri 10/24

10:15 am-4:12 pm

1 stop26h 57m

$328

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 10/8

7:00 am-9:30 am

1 stop29h 30m

San Francisco

Wed 10/15

12:50 pm-2:09 pm

2 stops22h 19m

$329

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

8:25 am-3:28 pm

1 stop10h 03m

San Francisco

Wed 10/1

11:40 am-8:05 pm

Nonstop5h 25m

$347

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 9/20

7:30 am-3:28 pm

1 stop10h 58m

San Francisco

Tue 9/30

8:30 am-4:58 pm

Nonstop5h 28m

$348

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

7:00 am-1:57 pm

2 stops33h 57m

San Francisco

Wed 9/24

12:50 pm-12:41 am

1 stop8h 51m

$355

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

7:00 am-1:57 pm

2 stops33h 57m

San Francisco

Wed 9/24

12:50 pm-12:41 am

1 stop8h 51m

$356

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

6:30 pm-9:40 pm

Nonstop6h 10m

San Francisco

Wed 9/24

11:45 pm-8:16 am

Nonstop5h 31m

$364

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Thu 9/18

6:30 pm-9:40 pm

Nonstop6h 10m

San Francisco

Wed 9/24

5:15 am-5:26 pm

1 stop9h 11m

$369

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

Wed 11/19

1:40 pm-12:35 am

1 stop7h 55m

$380

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 $363.

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 $425. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $834.

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 in the evening. Our users have found flights to San Francisco in the evening for as low as $233. Flights in the afternoon are often more expensive with an average ticket price of $653.

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 $412 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 $361 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 15% 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

$236

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 $236. 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 $302.
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)
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  • 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 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 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 $231Free CancellationRating
7.9
346 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $289Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $351Free CancellationRating
7.4
8,943 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 20 times per week, with 8,943 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 $351 (round-trip), much lower than the average airfare cost of $581 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 10,000 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 $418, 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
Calistoga
Hayward
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Pacific Grove
Salinas

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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