What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Francisco?

Porter Airlines and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Francisco

Which airline has the best punctuality record on Montreal to San Francisco flights?

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

What is the most punctual flight time for Montreal to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Francisco?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to San Francisco from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How often are flights from Montreal to San Francisco delayed?

Historically, on average around 18% of flights between Montreal and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

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

As of January 2026, there are 3 operators available to choose from for flights 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.

$194 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in 2026

Q: How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco on average per week?

As of January 2026, there are 28 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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Enter your travel dates to find the best prices.

6:45 am - 12:45 pm

YUL

SFO

9h 00m1 stop

9:07 pm - 7:05 am

SFO

YUL

30h 58m2 stops

$350Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

8:25 am - 7:04 pm

YUL

SFO

13h 39m2 stops

12:43 am - 5:55 pm

SFO

YUL

14h 12m2 stops

$351United Airlines

Tue, Mar 3 - Tue, Mar 3

6:00 pm - 12:50 pm

YUL

SFO

21h 50m2 stops

12:40 am - 1:40 pm

SFO

YUL

10h 00m1 stop

$352Delta

Tue, Mar 3 - Thu, Mar 5

6:00 am - 2:42 pm

YUL

SFO

11h 42m1 stop

6:00 am - 3:53 pm

SFO

YUL

6h 53m1 stop

$353Delta

Sun, Apr 5 - Sun, Apr 12

7:30 am - 9:39 pm

YUL

SFO

17h 09m1 stop

2:30 pm - 8:16 am

SFO

YUL

14h 46m1 stop

$354Air Canada

Fri, Feb 27 - Thu, Mar 5

6:45 am - 1:57 pm

YUL

SFO

34h 12m2 stops

6:05 pm - 12:40 am

SFO

YUL

27h 35m2 stops

$355WestJet

Mon, Jul 6 - Sat, Jul 11

7:30 pm - 12:10 pm

YUL

SFO

19h 40m1 stop

1:12 pm - 7:05 am

SFO

YUL

14h 53m2 stops

$356Multiple Airlines

Mon, Mar 2 - Tue, Mar 10

8:25 am - 9:17 pm

YUL

SFO

15h 52m1 stop

8:25 am - 4:49 pm

SFO

YUL

5h 24mnonstop

$357United Airlines

Sun, Jan 25 - Thu, Feb 5

6:45 am - 11:54 am

YUL

SFO

32h 09m2 stops

12:50 pm - 12:42 am

SFO

YUL

8h 52m1 stop

$358WestJet

Sat, Jun 27 - Tue, Jul 7

6:45 am - 10:01 pm

YUL

SFO

18h 16m2 stops

10:15 am - 4:27 pm

SFO

YUL

27h 12m1 stop

$359Multiple Airlines

Wed, Feb 25 - Sun, Mar 1

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

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets

American Airlines

May 5

YUL12:30 pmMontreal Pierre Elliott Trudeau Intl

13h 19m

2 stops

SFO10:49 pmSan Francisco

May 6

SFO11:59 pmSan Francisco

11h 45m

1 stop

YUL2:44 pmMontreal Pierre Elliott Trudeau Intl

$408

American Airlines

Jan 22

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

14h 30m

2 stops

SFO6:30 pmSan Francisco

Jan 28

SFO9:10 amSan Francisco

10h 49m

2 stops

YUL10:59 pmMontreal Pierre Elliott Trudeau Intl

$409

American Airlines

Apr 1

YUL2:25 pmMontreal Pierre Elliott Trudeau Intl

9h 31m

1 stop

SFO8:56 pmSan Francisco

Apr 5

SFO5:33 pmSan Francisco

18h 25m

1 stop

YUL2:58 pmMontreal Pierre Elliott Trudeau Intl

$410

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

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets

Delta

Apr 5

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

11h 42m

1 stop

SFO2:42 pmSan Francisco

Apr 12

SFO6:00 amSan Francisco

6h 53m

1 stop

YUL3:53 pmMontreal Pierre Elliott Trudeau Intl

$353

Delta

Jun 24

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

11h 29m

1 stop

SFO2:29 pmSan Francisco

Jul 11

SFO12:50 pmSan Francisco

8h 52m

1 stop

YUL12:42 amMontreal Pierre Elliott Trudeau Intl

$366

Delta

Apr 18

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

9h 40m

1 stop

SFO1:40 pmSan Francisco

May 2

SFO5:45 amSan Francisco

14h 23m

2 stops

YUL11:08 pmMontreal Pierre Elliott Trudeau Intl

$377

momondo Fare Finder

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

Wed 3/18

6:45 am-12:45 pm

1 stop9h 00m

San Francisco

Wed 3/25

9:07 pm-7:05 am

2 stops30h 58m

$350

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

8:25 am-7:04 pm

2 stops13h 39m

San Francisco

Tue 3/3

12:43 am-5:55 pm

2 stops14h 12m

$351

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

6:00 pm-12:50 pm

2 stops21h 50m

San Francisco

Thu 3/5

12:40 am-1:40 pm

1 stop10h 00m

$352

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

6:00 am-2:42 pm

1 stop11h 42m

San Francisco

Sun 4/12

6:00 am-3:53 pm

1 stop6h 53m

$353

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Fri 2/27

7:30 am-9:39 pm

1 stop17h 09m

San Francisco

Thu 3/5

2:30 pm-8:16 am

1 stop14h 46m

$354

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 7/6

6:45 am-1:57 pm

2 stops34h 12m

San Francisco

Sat 7/11

6:05 pm-12:40 am

2 stops27h 35m

$355

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

7:30 pm-12:10 pm

1 stop19h 40m

San Francisco

Tue 3/10

1:12 pm-7:05 am

2 stops14h 53m

$356

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:25 am-9:17 pm

1 stop15h 52m

San Francisco

Thu 2/5

8:25 am-4:49 pm

Nonstop5h 24m

$357

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Sat 6/27

6:45 am-11:54 am

2 stops32h 09m

San Francisco

Tue 7/7

12:50 pm-12:42 am

1 stop8h 52m

$358

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

6:45 am-10:01 pm

2 stops18h 16m

San Francisco

Sun 3/1

10:15 am-4:27 pm

1 stop27h 12m

$359

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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

Prices

Airlines

Delays

Other information

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 $410. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $845.

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 morning. Our users have found flights to San Francisco in the morning for as low as $445. Flights in the afternoon are often more expensive with an average ticket price of $640.

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 $420 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 $363 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 23% 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 January 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights are approximately 18% more expensive 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	$378
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 $378. 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 $468.

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 in San Francisco. From Montreal Pierre Elliott Trudeau Intl Airport there are direct flights to 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 12m.
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?
As of January 2026, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is Boeing 737 MAX 8, representing 85.91% of all bookings. The subsequent popular models are De Havilland (Bombardier) DHC-8-400 Dash 8Q at 3.64%, Boeing 737 MAX 9 at 2.73%, and Boeing 777-300ER at 1.14%.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is Air Canada, representing 69% of all bookings. The subsequent popular airlines are United Airlines at 17% and Porter Airlines at 14%.

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 Airlines	PriceFrom $253	Free Cancellation	Rating 8.0 406 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $289	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
United Airlines	PriceFrom $351	Free Cancellation	Rating 7.4 9,141 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 9,141 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 $558 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 10,603 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 $427, 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.

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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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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco from $227

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

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

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flight tickets

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Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.

See travel insights to San Francisco from

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

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 $410. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $845.

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

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?

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 23% 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 January 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights are approximately 18% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Francisco?

Porter Airlines and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Francisco

What airlines fly to San Francisco?

How often are flights from Montreal to San Francisco delayed?

Historically, on average around 18% of flights between Montreal and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

What is the most punctual flight time for Montreal to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Montreal to San Francisco flights?

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco on average per day?

As of January 2026, 4 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in San Francisco each day. The most common flight departure time for this route is 5:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco on average per week?

As of January 2026, there are 28 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in San Francisco

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

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

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?

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

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

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

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

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States