Montreal

$219+ Cheap flights from San Francisco (SFO) to Montreal (YMQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YMQ
Jun 30 — Jul 71
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Find cheap flights from San Francisco to Montreal with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Francisco to Montreal are usually found in January or September, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from San Francisco to Montreal

Cheapest flights from San Francisco to Montreal
Explore the most affordable flight options available from San Francisco to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 31, 2026.

This deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:20 pm
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Wed 9/236:45 am
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Deal found 5/26$442
This Trip.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:05 pm
SFO
-
YUL
1 stop10h 00m
Multiple Airlines
Tue 9/86:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/26$444
This Trip.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:20 pm
SFO
-
YUL
1 stop8h 17m
Multiple Airlines
Wed 9/236:45 am
YUL
-
SFO
2 stops12h 55m
Multiple Airlines
Deal found 5/26$448
This Trip.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 pm
SFO
-
YUL
1 stop10h 00m
WestJet
Sun 9/205:30 pm
YUL
-
SFO
1 stop21h 30m
WestJet
Deal found 5/27$450
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm
SFO
-
YUL
1 stop15h 05m
Multiple Airlines
Sun 10/46:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/30$454
This Justfly.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 pm
SFO
-
YUL
1 stop10h 00m
Multiple Airlines
Sat 9/266:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/29$455
This Justfly.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:05 pm
SFO
-
YUL
1 stop10h 00m
Multiple Airlines
Mon 9/286:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/27$456
This Gotogate deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:20 pm
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Sat 9/266:45 am
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Deal found 5/30$457
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
SFO
-
YUL
1 stop14h 45m
Multiple Airlines
Thu 9/176:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/29$458
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:05 pm
SFO
-
YUL
1 stop10h 00m
Multiple Airlines
Sat 9/126:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/29$460
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:05 pm
SFO
-
YUL
1 stop10h 00m
Multiple Airlines
Tue 9/86:45 am
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/29$462

Find flight deals from San Francisco to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$442

One-way from

$219
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$640

Good round-trip deal

$797 or less

Good one-way deal

$370 or less
Provider with most accurate pricing for San Francisco-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Montreal (YMQ) flights.
From San Francisco to Montreal (YMQ)
One-way flight from San Francisco to Montreal (YMQ)
Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from San Francisco to Montreal (YMQ).
Price to beat on a one-way flight from San Francisco to Montreal (YMQ).

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Montreal 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, Cheapflights users made 2,558,603 searches. Data last updated May 31, 2026.
Use the filters below to find and compare flights from San Francisco to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 8/16

11:39 pm-8:16 am

Nonstop5h 37m

Montreal Pierre Elliott Trudeau Intl

Thu 8/20

6:35 pm-9:48 pm

Nonstop6h 13m

$592

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 8/25

6:00 am-5:30 pm

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

6:35 pm-9:48 pm

Nonstop6h 13m

$602

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sat 7/25

11:38 pm-8:16 am

Nonstop5h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 7/28

6:10 am-11:38 am

1 stop8h 28m

$608

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 8/14

6:00 am-11:40 pm

2 stops14h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 8/20

7:00 am-9:59 pm

2 stops17h 59m

$610

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 7/13

1:20 pm-12:37 am

1 stop8h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 7/22

6:45 am-12:20 pm

1 stop8h 35m

$619

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 7/13

1:20 pm-12:37 am

1 stop8h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 7/20

6:45 am-12:20 pm

1 stop8h 35m

$619

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 6/29

10:55 pm-11:57 am

1 stop10h 02m

Montreal Pierre Elliott Trudeau Intl

Thu 7/2

6:00 am-11:16 pm

2 stops20h 16m

$643

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/3

11:38 pm-8:16 am

Nonstop5h 38m

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

6:10 am-11:38 am

1 stop8h 28m

$681

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/10

9:56 pm-1:41 pm

1 stop12h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 7/24

7:00 am-5:31 pm

1 stop13h 31m

$691

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 8/26

12:45 am-3:00 pm

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 8/30

6:35 pm-9:48 pm

Nonstop6h 13m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/29

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from San Francisco to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Montreal in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Montreal

What is the cheapest month to book a flight from San Francisco to Montreal?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Montreal (average of $136). Flying from San Francisco to Montreal in April is currently the most expensive (average of $209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to YMQ?

Find hourly flight availability from San Francisco to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 31, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Montreal as you normally would.

Weekly flight availability from San Francisco to Montreal

Explore weekly flight availability from San Francisco to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 31, 2026.

The most flights from SFO to YMQ are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from San Francisco to Montreal?

How far ahead should I book a flight from San Francisco to Montreal?

The best time to book flights from San Francisco to Montreal is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated May 31, 2026.
Read through reviews of airlines operating flights from San Francisco to Montreal, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Montreal?

    Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to Montreal from San Francisco. Booking flights from San Francisco (SFO) to Montreal should be relatively easy as there are 7 daily outbound flights to Montreal from 4 different airlines.

  • How long is the flight from San Francisco to Montreal?

    For as low as $592, United Airlines can have you in Montreal from San Francisco in 5h 37m. There are 2531 mi between San Francisco and Montreal. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Francisco to Montreal round-trip?

    Cheapflights users have booked flights from San Francisco to Montreal round-trip from $179. Other airlines that can offer you cheap pricing are Delta, from $209, and Air Canada, from $251. You may be able to fly from San Francisco to Montreal for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Montreal one-way?

    The cheapest airlines for a one-way flight from San Francisco to Montreal are Porter Airlines ($140), WestJet ($156), and United Airlines ($166).

  • What are the most reliable airlines from San Francisco to Montreal?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Montreal on time: Brussels Airlines (98%), Air Canada (64%), United Airlines (64%).

  • What are the cheapest flights from San Francisco to Montreal?

    Looking at all options, your cheapest flight can be booked for $248. While the most popular route (San Francisco - Montreal Pierre Elliott Trudeau Intl) can be booked for $419 on average, our data indicates $1,318 when flying from San Francisco to Montreal.

  • Can I find deals for flights from San Francisco to Montreal that include hotel bookings?

    Yes. In addition to deals on San Francisco to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Montreal.

  • Can I find deals for business class flights from San Francisco to Montreal?

    Yes. Cheapflights offers flight deals from San Francisco to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Montreal?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Montreal (average of $136). Flying from San Francisco to Montreal in April is currently the most expensive (average of $209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from San Francisco to Montreal

Discover the top 4 airlines that operate flights from San Francisco to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$179Average$521FlexibilityNo cancel feeOn-time52%
DeltaCheapest$209Average$338FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$240Average$568FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$292Average$618FlexibilityNo cancel feeOn-time69%

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