$181+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YMQ
Apr 28 — May 51
Round-trip
1 adult, Economy
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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”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Montreal are usually found in September or August, booked 78 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from San Francisco to Montreal
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to MontrealExplore 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 March 29, 2026.
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 March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/116:45 pm
SFO
- YUL
2 stops18h 45m
Multiple Airlines
Thu 5/286:45 am
YUL
- SFO
1 stop8h 38m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$367
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:05 am
SFO
- YUL
Nonstop5h 40m
Air Canada
Fri 5/85:40 pm
YUL
- SFO
Nonstop6h 22m
Air Canada
Deal found 3/28![Air Canada logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/256:05 pm
SFO
- YUL
1 stop10h 00m
Multiple Airlines
Fri 5/296:45 am
YUL
- SFO
1 stop8h 38m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$376
This Flightnetwork deal was found by Cheapflights users on 3/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:20 pm
SFO
- YUL
1 stop8h 17m
Multiple Airlines
Fri 5/85:40 pm
YUL
- SFO
Nonstop6h 22m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Sat 6/66:45 am
YUL
- SFO
2 stops12h 55m
WestJet
Deal found 3/26![WestJet logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/111:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Thu 5/286:45 am
YUL
- SFO
1 stop8h 38m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Tue 4/141:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Sat 4/186:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/131:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Sat 4/186:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$391
Best flights from San Francisco to MontrealDiscover carefully curated flight deals from San Francisco to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
Discover carefully curated flight deals from San Francisco to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:10 pm
SFO
- YUL
1 stop8h 30m
United Airlines
Wed 5/62:20 pm
YUL
- SFO
1 stop10h 29m
United Airlines
Deal found 3/27![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:40 am
SFO
- YUL
2 stops15h 01m
Delta
Thu 5/2812:49 pm
YUL
- SFO
2 stops14h 08m
Delta
Deal found 3/26![Delta logo]()
$551
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 5/211:55 pm
SFO
- YUL
1 stop10h 14m
United Airlines
Fri 5/86:35 pm
YUL
- SFO
1 stop9h 41m
United Airlines
Deal found 3/28![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 4/1210:50 pm
SFO
- YUL
1 stop8h 50m
United Airlines
Sat 4/183:25 pm
YUL
- SFO
1 stop8h 59m
United Airlines
Deal found 3/28![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 5/411:05 pm
SFO
- YUL
1 stop11h 04m
United Airlines
Wed 5/69:45 am
YUL
- SFO
1 stop10h 27m
United Airlines
Deal found 3/24![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:45 am
SFO
- YUL
2 stops17h 41m
United Airlines
Tue 6/26:00 am
YUL
- SFO
1 stop8h 25m
United Airlines
Deal found 3/26![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 8/226:05 am
SFO
- YUL
1 stop8h 25m
United Airlines
Sun 8/306:35 pm
YUL
- SFO
Nonstop6h 15m
United Airlines
Deal found 3/28![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:30 pm
SFO
- YUL
1 stop8h 10m
United Airlines
Sat 8/226:35 pm
YUL
- SFO
Nonstop6h 15m
United Airlines
Deal found 3/27![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 4/1210:50 pm
SFO
- YUL
1 stop8h 50m
United Airlines
Fri 4/175:00 pm
YUL
- SFO
1 stop11h 35m
United Airlines
Deal found 3/24![United Airlines logo]()
$524
Last-minute flights from San Francisco to MontrealDiscover last-minute flight deals from San Francisco to Montreal. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Montreal. Data last updated March 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/131:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Sat 4/186:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Tue 4/141:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Sat 4/186:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/201:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Tue 4/286:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/24![Porter Airlines logo]()
$392
This Vliegwinkel deal was found by Cheapflights users on 3/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:10 am
SFO
- YUL
Nonstop5h 40m
Multiple Airlines
Tue 4/286:45 am
YUL
- SFO
1 stop9h 00m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 3/28. 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 4/201:45 pm
SFO
- YUL
1 stop7h 50m
Multiple Airlines
Sun 4/268:00 pm
YUL
- SFO
1 stop28h 55m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$405
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:45 pm
SFO
- YUL
1 stop7h 50m
Multiple Airlines
Sun 4/268:00 pm
YUL
- SFO
1 stop28h 55m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/241:45 pm
SFO
- YUL
1 stop7h 50m
Multiple Airlines
Tue 5/58:00 pm
YUL
- SFO
1 stop19h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Thu 4/306:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Deal found 3/26![Porter Airlines logo]()
$400
This Trip.com deal was found by Cheapflights users on 3/28. 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 4/251:45 pm
SFO
- YUL
1 stop7h 50m
Multiple Airlines
Sat 5/28:00 pm
YUL
- SFO
1 stop19h 00m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Tue 4/286:00 am
SFO
- YUL
1 stop14h 45m
WestJet
Tue 5/58:00 pm
YUL
- SFO
1 stop19h 00m
WestJet
Deal found 3/28![WestJet logo]()
$402
One-way flights from San Francisco to MontrealSearch for one-way flight options from San Francisco to Montreal. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
Search for one-way flight options from San Francisco to Montreal. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Trip.com deal was found by Cheapflights users on 3/27. 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 6/176:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 3/27![WestJet logo]()
$181
This oojo deal was found by Cheapflights users on 3/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 3/29![WestJet logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/1311:59 pm
SFO
- YUL
3 stops19h 11m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$184
This Jettzy deal was found by Cheapflights users on 3/28. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 3/28![Porter Airlines logo]()
$185
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:05 am
SFO
- YUL
Nonstop5h 40m
Air Canada
Deal found 3/27![Air Canada logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/286:00 am
SFO
- YUL
1 stop14h 45m
WestJet
Deal found 3/29![WestJet logo]()
$191
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:57 pm
SFO
- YUL
1 stop17h 47m
American Airlines
Deal found 3/25![American Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/81:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 3/24![Porter Airlines logo]()
$194
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:25 am
SFO
- YUL
1 stop10h 38m
Air Canada
Deal found 3/27![Air Canada logo]()
$195
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:59 pm
SFO
- YUL
1 stop11h 45m
American Airlines
Deal found 3/28![American Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:10 pm
SFO
- YUL
1 stop15h 18m
American Airlines
Deal found 3/29![American Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 6/236:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 3/25![WestJet logo]()
$201
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Kiwi.com) |
One-way from | $181 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $513 |
Good round-trip deal | $634 or less |
Good one-way deal | $333 or less |
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 March 29, 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
Cheapest round-trip
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Tue 5/5
11:10 pm-10:40 am
1 stop8h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 5/6
2:20 pm-9:49 pm
1 stop10h 29m
$429
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Sat 5/2
11:55 pm-1:09 pm
1 stop10h 14m
Montreal Pierre Elliott Trudeau Intl
Fri 5/8
6:35 pm-1:16 am
1 stop9h 41m
$450
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Sun 4/12
10:50 pm-10:40 am
1 stop8h 50m
Montreal Pierre Elliott Trudeau Intl
Sat 4/18
3:25 pm-9:24 pm
1 stop8h 59m
$458
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Mon 5/4
11:05 pm-1:09 pm
1 stop11h 04m
Montreal Pierre Elliott Trudeau Intl
Wed 5/6
9:45 am-5:12 pm
1 stop10h 27m
$497
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Tue 5/26
12:45 am-9:26 pm
2 stops17h 41m
Montreal Pierre Elliott Trudeau Intl
Tue 6/2
6:00 am-11:25 am
1 stop8h 25m
$503
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Sat 8/22
6:05 am-5:30 pm
1 stop8h 25m
Montreal Pierre Elliott Trudeau Intl
Sun 8/30
6:35 pm-9:50 pm
Nonstop6h 15m
$520
Quickest round-trip
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Fri 8/7
11:30 pm-10:40 am
1 stop8h 10m
Montreal Pierre Elliott Trudeau Intl
Sat 8/22
6:35 pm-9:50 pm
Nonstop6h 15m
$521
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Sun 4/12
10:50 pm-10:40 am
1 stop8h 50m
Montreal Pierre Elliott Trudeau Intl
Fri 4/17
5:00 pm-1:35 am
1 stop11h 35m
$524
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Wed 5/13
5:40 am-11:41 pm
2 stops15h 01m
Montreal Pierre Elliott Trudeau Intl
Thu 5/28
12:49 pm-11:57 pm
2 stops14h 08m
$551
Cheapest one-way
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Mon 5/11
11:56 pm-10:40 am
1 stop7h 44m
$200
Showing 1-10 of 21 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SFO-YMQ
SFO-YUL
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
SFO-YMQ
SFO-YUL
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 March 13, 2026.
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, July is the cheapest month in which you can book a flight from San Francisco to Montreal (average of $187). Flying from San Francisco to Montreal in November is currently the most expensive (average of $327). 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 March 29, 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 March 29, 2026.
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).
How much does it cost to fly round-trip from San Francisco to Montreal?
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 March 29, 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.
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Francisco to Montreal
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Complete your trip
Complete your trip to Montreal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Montreal by cabin class
Find flights from San Francisco to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 29, 2026.
San Francisco and Montreal flights
Browse other San Francisco and Montreal flight options. Last updated on March 29, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$431 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$221 | Average$535 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$232 | Average$505 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$299 | Average$577 | FlexibilityNo cancel fee | On-time69% |