Montreal

$90+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YMQ
Jan 17 — Jan 241
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Find cheap flights from San Francisco to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San Francisco to Montreal are usually found in April or September, booked 78 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/261:40 pmSFO - YUL
1 stop7h 55mMultiple Airlines
Wed 1/74:35 pmYUL - SFO
2 stops42h 28mMultiple Airlines
Deal found 12/16$632
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:10 amSFO - YUL
1 stop10h 39mDelta
Wed 1/79:34 amYUL - SFO
2 stops16h 51mDelta
Deal found 12/16$678
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/249:15 pmSFO - YUL
1 stop16h 10mMultiple Airlines
Wed 1/76:45 amYUL - SFO
2 stops28h 08mMultiple Airlines
Deal found 12/17$686
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amSFO - YUL
2 stops11h 47mUnited Airlines
Wed 1/72:13 pmYUL - SFO
2 stops11h 45mUnited Airlines
Deal found 12/16$709
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:11 pmSFO - YUL
2 stops17h 49mUnited Airlines
Wed 1/74:45 pmYUL - SFO
1 stop19h 55mUnited Airlines
Deal found 12/17$714
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2211:59 pmSFO - YUL
2 stops21h 31mMultiple Airlines
Wed 1/75:55 pmYUL - SFO
1 stop18h 35mMultiple Airlines
Deal found 12/16$717
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:17 pmSFO - YUL
2 stops24h 42mDelta
Wed 1/79:34 amYUL - SFO
2 stops16h 51mDelta
Deal found 12/16$730
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Fri 12/261:40 pmSFO - YUL
1 stop7h 55mMultiple Airlines
Mon 1/55:10 pmYUL - SFO
2 stops32h 49mMultiple Airlines
Deal found 12/16$731
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amSFO - YUL
2 stops12h 12mUnited Airlines
Wed 1/72:13 pmYUL - SFO
2 stops11h 45mUnited Airlines
Deal found 12/16$742

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$261
(Kiwi.com)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$632

Good round-trip deal

$706 or less

Good one-way deal

$331 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. 7% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in December 2025
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 December 18, 2025.
Use the filters below to find and compare flights from San Francisco to Montreal that are best for you.

Fly from

San Francisco

Fly to

Montreal

Route

Depart

Return

Price

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 3/17

1:45 pm-12:35 am

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 3/25

6:45 am-12:45 pm

1 stop9h 00m

$272

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 1/9

1:00 pm-7:05 am

1 stop15h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

6:45 am-12:43 pm

1 stop8h 58m

$346

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 1/23

1:00 pm-7:05 am

1 stop15h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

6:45 am-12:12 pm

2 stops56h 27m

$364

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 1/7

6:54 pm-12:43 am

2 stops26h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

7:30 pm-12:12 pm

1 stop19h 42m

$380

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 3/17

1:45 pm-12:35 am

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 3/20

6:45 am-12:45 pm

1 stop9h 00m

$426

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 2/2

1:45 pm-12:35 am

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:45 am-12:45 pm

1 stop9h 00m

$463

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 1/8

1:00 pm-1:32 pm

1 stop21h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

6:45 am-7:19 pm

2 stops15h 34m

$483

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 1/8

10:54 pm-6:37 pm

2 stops16h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:45 pm-11:25 pm

1 stop11h 40m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 1/7

5:45 am-8:44 am

2 stops23h 59m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

7:30 pm-11:36 am

2 stops19h 06m

$515

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 1/28

6:00 am-11:12 pm

2 stops14h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 1/31

2:25 pm-1:47 pm

2 stops26h 22m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 22 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Montreal flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Montreal. Price data was last updated on December 12, 2025.

The best time to book flights from San Francisco to Montreal is 78 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.

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

Currently, April is the cheapest month in which you can book a flight from San Francisco to Montreal (average of $157). Flying from San Francisco to Montreal in September is currently the most expensive (average of $351). 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 December 18, 2025.

It’s typically best to fly out from San Francisco to Montreal in the afternoon. Doing so could potentially save you 65% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Montreal?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Montreal. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their San Francisco to Montreal flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.

The most flights from SFO to YMQ are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 December 18, 2025.
Read through reviews of airlines operating flights from San Francisco to Montreal, such as Porter Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Food

7.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 11.8 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 4 daily outbound flights to Montreal from 4 different airlines.

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

    For as low as $272, Porter Airlines can have you in Montreal from San Francisco in 7h 50m. 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 $130. Other airlines that can offer you cheap pricing are Porter Airlines, from $146, and Air Canada, from $189. You may be able to fly from San Francisco to Montreal for 75% 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 ($133), United Airlines ($165), and Air Canada ($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 (92%), Air Canada (87%), United Airlines (87%).

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

    Looking at all options, your cheapest flight can be booked for $230. While the most popular route (San Francisco - Montreal Pierre Elliott Trudeau Intl) can be booked for $265 on average, our data indicates $1,466 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, April is the cheapest month in which you can book a flight from San Francisco to Montreal (average of $157). Flying from San Francisco to Montreal in September is currently the most expensive (average of $351). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$130Average$395FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$172Average$311FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$198Average$537FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$316Average$580FlexibilityNo cancel feeOn-time69%

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