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 is the cheapest airline that flies from Montreal to San Francisco?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Montreal to San Francisco

Which airport is the most popular layover for flights between Montreal and San Francisco?

Toronto (YYZ) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Montreal to San Francisco on average per day?

As of December 2025, 4 flights take off from Montreal 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 to San Francisco on average per week?

The number of flights available between Montreal and San Francisco is 28 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Which layover airport has the shortest travel time from Montreal to San Francisco?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 8h 54m.

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 layover airport has the shortest connection time from Montreal to San Francisco?

Detroit (DTW) has the shortest average layover time for this route: 1h 21m.

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 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 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 according to our data. Air Canada is the first choice among our users, with 70% 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.

Which layover airport offers the lowest fares from Montreal to San Francisco?

Flights via Toronto (YYZ) offer the lowest average round-trip price of $299.

When did momondo last update prices for flights from Montreal to San Francisco Airport?

Prices for flights from Montreal to San Francisco Airport are updated daily.

How many operators does momondo search for flights from Montreal to San Francisco Airport?

As of December 2025, there are 3 operators available to choose from for flights from Montreal to San Francisco Airport.

How old do you have to be to fly from Montreal 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 to San Francisco Airport.

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

The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$194 Cheap Flights from Montreal to San Francisco in 2025/26

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Enter your travel dates to find the best prices.

4:35 pm - 8:03 am

YUL

SFO

42h 28m2 stops

1:00 pm - 7:05 am

SFO

YUL

15h 05m1 stop

$384Multiple Airlines

mié., ene. 7 - jue., ene. 22

6:45 am - 12:38 pm

YUL

SFO

8h 53m1 stop

4:46 pm - 4:27 pm

SFO

YUL

20h 41m2 stops

$385Multiple Airlines

vie., ene. 16 - jue., ene. 29

6:45 am - 12:40 pm

YUL

SFO

8h 55m1 stop

1:40 pm - 12:35 am

SFO

YUL

7h 55m1 stop

$386Porter Airlines

mar., feb. 3 - jue., feb. 12

5:55 pm - 9:30 am

YUL

SFO

18h 35m1 stop

2:08 pm - 7:05 am

SFO

YUL

13h 57m2 stops

$387Multiple Airlines

sáb., ene. 10 - mié., ene. 21

7:30 pm - 11:03 pm

YUL

SFO

30h 33m2 stops

1:00 pm - 7:05 am

SFO

YUL

15h 05m1 stop

$389Multiple Airlines

jue., ene. 8 - vie., ene. 23

7:30 pm - 12:12 pm

YUL

SFO

19h 42m1 stop

1:40 pm - 12:35 am

SFO

YUL

7h 55m1 stop

$390Multiple Airlines

lun., ene. 12 - lun., ene. 26

6:45 am - 12:45 pm

YUL

SFO

9h 00m1 stop

1:45 pm - 12:35 am

SFO

YUL

7h 50m1 stop

$391Porter Airlines

lun., feb. 9 - jue., feb. 12

6:45 am - 12:45 pm

YUL

SFO

9h 00m1 stop

1:45 pm - 12:35 am

SFO

YUL

7h 50m1 stop

$392Porter Airlines

mié., abr. 1 - dom., abr. 5

6:45 am - 12:45 pm

YUL

SFO

9h 00m1 stop

1:45 pm - 12:35 am

SFO

YUL

7h 50m1 stop

$393Porter Airlines

mar., feb. 10 - jue., feb. 12

6:45 am - 12:38 pm

YUL

SFO

8h 53m1 stop

1:00 pm - 4:27 pm

SFO

YUL

24h 27m2 stops

$394Multiple Airlines

vie., ene. 9 - dom., ene. 25

Air Canada flights from Montreal to San Francisco

Our best Air Canada deals on Montreal 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

$405

Find similar

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

$406

Find similar

Air Canada

Jan 12

YUL5:50 pmMontreal Pierre Elliott Trudeau Intl

6h 32m

SFO9:22 pmSan Francisco

Jan 18

SFO7:30 amSan Francisco

12h 49m

2 stops

YUL11:19 pmMontreal Pierre Elliott Trudeau Intl

$407

Find similar

United Airlines flights from Montreal to San Francisco

Our best United Airlines deals on Montreal to San Francisco flight tickets

United Airlines

Jan 8

YUL9:15 amMontreal Pierre Elliott Trudeau Intl

19h 15m

1 stop

SFO1:30 amSan Francisco

Jan 16

SFO9:20 pmSan Francisco

14h 56m

1 stop

YUL3:16 pmMontreal Pierre Elliott Trudeau Intl

$431

Find similar

United Airlines

Dec 29

YUL5:25 pmMontreal Pierre Elliott Trudeau Intl

17h 15m

1 stop

SFO7:40 amSan Francisco

Jan 7

SFO9:20 pmSan Francisco

12h 26m

1 stop

YUL12:46 pmMontreal Pierre Elliott Trudeau Intl

$523

Find similar

United Airlines

Dec 23

YUL2:13 pmMontreal Pierre Elliott Trudeau Intl

10h 07m

1 stop

SFO9:20 pmSan Francisco

Jan 13

SFO9:23 pmSan Francisco

13h 37m

2 stops

YUL2:00 pmMontreal Pierre Elliott Trudeau Intl

$540

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Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mié. 1/7

4:35 pm-8:03 am

2 stops42h 28m

San Francisco

jue. 1/22

1:00 pm-7:05 am

1 stop15h 05m

$384

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

vie. 1/16

6:45 am-12:38 pm

1 stop8h 53m

San Francisco

jue. 1/29

4:46 pm-4:27 pm

2 stops20h 41m

$385

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mar. 2/3

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

jue. 2/12

1:40 pm-12:35 am

1 stop7h 55m

$386

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

sáb. 1/10

5:55 pm-9:30 am

1 stop18h 35m

San Francisco

mié. 1/21

2:08 pm-7:05 am

2 stops13h 57m

$387

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

jue. 1/8

7:30 pm-11:03 pm

2 stops30h 33m

San Francisco

vie. 1/23

1:00 pm-7:05 am

1 stop15h 05m

$389

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

lun. 1/12

7:30 pm-12:12 pm

1 stop19h 42m

San Francisco

lun. 1/26

1:40 pm-12:35 am

1 stop7h 55m

$390

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

lun. 2/9

6:45 am-12:45 pm

1 stop9h 00m

San Francisco

jue. 2/12

1:45 pm-12:35 am

1 stop7h 50m

$391

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mié. 4/1

6:45 am-12:45 pm

1 stop9h 00m

San Francisco

dom. 4/5

1:45 pm-12:35 am

1 stop7h 50m

$392

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

mar. 2/10

6:45 am-12:45 pm

1 stop9h 00m

San Francisco

jue. 2/12

1:45 pm-12:35 am

1 stop7h 50m

$393

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

vie. 1/9

6:45 am-12:38 pm

1 stop8h 53m

San Francisco

dom. 1/25

1:00 pm-4:27 pm

2 stops24h 27m

$394

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How to get the cheapest flight ticket from Montreal 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

Layovers

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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $367.

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

The cheapest day to depart from Montreal to San Francisco is on a Friday when prices can be found for as low as $414. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $851.

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

Our data shows that the cheapest Montreal 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 $678.

What is the cheapest Montreal to San Francisco flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Francisco for the best Montreal - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $416 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 for as low as $357 on momondo.

What cabin class options are available on Montreal to San Francisco flights?

There are 4 cabin classes available to choose from on Montreal 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 to San Francisco flights?

You could potentially save up to 5% on your flight if you consider stops on a Montreal to San Francisco flight.

How have Montreal to San Francisco flight prices changed over time?

As of December 2025, prices for Montreal to San Francisco flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal to San Francisco (YMQ to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to San Francisco

Best Price Found	$322
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 in the past 72 hours is $322. The best round-trip flight deal from Montreal to San Francisco found on momondo in the last 72 hours is $436.

The fastest flight from Montreal to San Francisco takes 6h 12m

Direct flights go from Montreal to San Francisco every day.

There is 1 airport in San Francisco. From Montreal there are direct flights to San Francisco (SFO).

Search flight deals

How far is Montreal to San Francisco by plane?
The distance between Montreal and San Francisco is about 2535.4 mi. By plane, this route typically takes 6h 12m.
When did momondo last update prices for flights from Montreal to San Francisco Airport?
Prices for flights from Montreal to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Montreal to San Francisco Airport?
As of December 2025, there are 3 operators available to choose from for flights from Montreal to San Francisco Airport.
How old do you have to be to fly from Montreal 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 to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to San Francisco?
Based on momondo bookings for flights between Montreal and San Francisco, the leading plane model is Boeing 737 MAX 8, making up 85.03% of the total bookings. Other popular models include Airbus A220-300 with 3.65%, De Havilland (Bombardier) DHC-8-400 Dash 8Q with 3.07%, and Boeing 737 MAX 9 with 2.50%.
What is the most popular airline from Montreal to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to San Francisco is Air Canada (71% of total bookings). The next most popular airlines are Porter Airlines (15%) and United Airlines (14%).

Best airlines flying from Montreal to San Francisco

Compare and see reviews for airlines that fly from Montreal to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom $253	Free Cancellation	Rating 8.0 399 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $289	Free Cancellation	Rating 7.1 10,529 reviews	Search Air Canada flights
United Airlines	PriceFrom $341	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights

United Airlines Flights From Montreal to San Francisco
The lowest priced United Airlines flight from Montreal to San Francisco from the last 72 hours was $341. Generally, United Airlines has 7 flights on this route every week with an average price of $556. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Montreal to San Francisco
Air Canada is also a popular choice for this route. Air Canada flight deals for Montreal to San Francisco start from as low as $289 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $418. Air Canada operates 7 flights to San Francisco from Montreal in an average week. Users have rated it 7.1/10 across 10,529 reviews.

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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?

All flight searches from Montreal to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Fly to other destinations from Montreal

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Cheap flights from Montreal to San Francisco from $240

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 to San Francisco departing on 1/12. 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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Use the filters below to find and compare flights from Montreal to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Montreal 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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $367.

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

The cheapest day to depart from Montreal to San Francisco is on a Friday when prices can be found for as low as $414. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $851.

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

Our data shows that the cheapest Montreal 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 $678.

What is the cheapest Montreal to San Francisco flight route?

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

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

What cabin class options are available on Montreal to San Francisco flights?

There are 4 cabin classes available to choose from on Montreal 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 to San Francisco flights?

You could potentially save up to 5% on your flight if you consider stops on a Montreal to San Francisco flight.

How have Montreal to San Francisco flight prices changed over time?

As of December 2025, prices for Montreal to San Francisco flights are approximately 14% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal to San Francisco?

Air Canada, Delta, and United Airlines are the most popular carriers operating from Montreal 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.

Which airport is the most popular layover for flights between Montreal and San Francisco?

Toronto (YYZ) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal to San Francisco?

Flights via Toronto (YYZ) offer the lowest average round-trip price of $299.

Which layover airport has the shortest travel time from Montreal to San Francisco?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 8h 54m.

Which layover airport has the shortest connection time from Montreal to San Francisco?

Detroit (DTW) has the shortest average layover time for this route: 1h 21m.

How many flights depart from Montreal to San Francisco on average per day?

As of December 2025, 4 flights take off from Montreal 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 to San Francisco on average per week?

The number of flights available between Montreal and San Francisco is 28 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from Montreal to San Francisco

Cheap Montreal to San Francisco (YMQ to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

How far is Montreal to San Francisco by plane?

When did momondo last update prices for flights from Montreal to San Francisco Airport?

How many operators does momondo search for flights from Montreal to San Francisco Airport?

How old do you have to be to fly from Montreal 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 to San Francisco?

What is the most popular airline from Montreal to San Francisco?

Best airlines flying from Montreal to San Francisco

Compare and see reviews for airlines that fly from Montreal to San Francisco with momondo

United Airlines Flights From Montreal to San Francisco

Air Canada Flights From Montreal to San Francisco

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