$277+ Cheap flights from San Francisco (SFO) to Montreal (YMQ)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YMQ
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 January or February, booked 59 days in advance, depart on a Tuesday or Thursday 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 September 9, 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 September 9, 2026.
This WestJet deal was found by Cheapflights users on 9/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm -
2 stops32h 30m
Sat 10/316:45 am -
2 stops37h 05m
Deal found 9/9![WestJet logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/211:45 pm -
1 stop7h 50m
Mon 11/236:45 am -
1 stop9h 00m
Deal found 9/8![Porter Airlines logo]()
$484
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
2 stops15h 25m
Sat 10/105:30 pm -
2 stops18h 25m
Deal found 9/8![Multiple Airlines logo]()
$485
This WestJet deal was found by Cheapflights users on 9/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops15h 25m
Tue 10/135:30 pm -
1 stop21h 30m
Deal found 9/9![WestJet logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/161:00 pm -
1 stop15h 05m
Tue 10/278:00 am -
2 stops11h 47m
Deal found 9/8![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/81:20 pm -
1 stop8h 17m
Tue 10/276:45 am -
1 stop9h 00m
Deal found 9/8![Porter Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/111:20 pm -
1 stop8h 17m
Mon 10/266:45 am -
2 stops16h 53m
Deal found 9/8![Multiple Airlines logo]()
$489
This Justfly.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/91:20 pm -
1 stop8h 17m
Fri 10/237:15 am -
1 stop31h 45m
Deal found 9/8![Multiple Airlines logo]()
$490
This Justfly.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/11:20 pm -
1 stop8h 17m
Mon 10/57:15 am -
1 stop31h 45m
Deal found 9/9![Multiple Airlines logo]()
$491
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
3 stops15h 25m
Fri 9/256:45 am -
1 stop8h 30m
Deal found 9/9![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/191:45 pm -
1 stop7h 50m
Tue 11/244:15 pm -
2 stops29h 11m
Deal found 9/8![Multiple Airlines logo]()
$493
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 pm -
2 stops15h 42m
Fri 10/307:40 pm -
2 stops21h 11m
Deal found 9/8![Multiple Airlines logo]()
$494
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 September 9, 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 September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/811:39 pm -
Nonstop5h 37m
Sun 10/116:35 pm -
Nonstop6h 13m
Deal found 9/5![United Airlines logo]()
$672
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 10/510:59 pm -
2 stops16h 59m
Fri 10/167:00 am -
1 stop13h 25m
Deal found 9/8![Delta logo]()
$697
This United deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:39 pm -
Nonstop5h 37m
Fri 10/28:30 am -
1 stop9h 51m
Deal found 9/5![Multiple Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/2811:39 pm -
Nonstop5h 37m
Mon 10/196:35 pm -
Nonstop6h 13m
Deal found 9/5![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/2511:55 pm -
1 stop10h 14m
Tue 9/296:35 pm -
Nonstop6h 13m
Deal found 9/4![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/1111:39 pm -
Nonstop5h 37m
Wed 10/284:45 pm -
1 stop11h 08m
Deal found 9/5![United Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/811:39 pm -
Nonstop5h 37m
Tue 10/136:35 pm -
Nonstop6h 13m
Deal found 9/8![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/811:39 pm -
Nonstop5h 37m
Mon 10/126:35 pm -
Nonstop6h 13m
Deal found 9/8![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/311:30 pm -
1 stop8h 10m
Mon 10/126:35 pm -
Nonstop6h 13m
Deal found 9/9![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/304:20 pm -
1 stop17h 49m
Thu 10/86:35 pm -
Nonstop6h 13m
Deal found 9/9![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/155:00 am -
1 stop9h 30m
Sun 10/186:35 pm -
Nonstop6h 13m
Deal found 9/5![United Airlines logo]()
$715
Last-minute flights from San Francisco to MontrealDiscover last-minute flight deals from San Francisco to Montreal. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Montreal. Data last updated September 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/141:20 pm -
1 stop8h 17m
Tue 9/228:30 pm -
2 stops18h 30m
Deal found 9/5![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/141:20 pm -
1 stop8h 17m
Fri 9/255:00 pm -
2 stops18h 14m
Deal found 9/5![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/146:45 pm -
1 stop9h 30m
Tue 9/296:45 am -
1 stop8h 30m
Deal found 9/7![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/151:00 pm -
1 stop15h 05m
Fri 9/255:00 pm -
2 stops18h 14m
Deal found 9/5![Multiple Airlines logo]()
$537
This Justfly.com deal was found by Cheapflights users on 9/9. 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 -
1 stop10h 00m
Tue 9/298:00 pm -
1 stop28h 55m
Deal found 9/9![WestJet logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/166:05 pm -
1 stop10h 00m
Thu 9/248:30 am -
2 stops18h 10m
Deal found 9/5![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/172:28 pm -
2 stops13h 37m
Thu 10/17:15 am -
1 stop17h 40m
Deal found 9/4![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/1711:17 am -
2 stops16h 48m
Fri 9/258:30 am -
1 stop12h 30m
Deal found 9/5![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/181:10 pm -
2 stops14h 55m
Mon 9/218:00 pm -
1 stop19h 00m
Deal found 9/5![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/1810:24 pm -
2 stops22h 21m
Wed 9/236:45 am -
1 stop8h 30m
Deal found 9/5![Multiple Airlines logo]()
$559
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
3 stops22h 15m
Tue 9/226:45 am -
1 stop8h 30m
Deal found 9/5![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/196:00 am -
1 stop14h 45m
Fri 9/256:45 am -
1 stop8h 30m
Deal found 9/9![Multiple Airlines logo]()
$548
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 September 9, 2026.
Search for one-way flight options from San Francisco to Montreal. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Thu 9/2412:05 am -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/242:28 pm -
3 stops54h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 12/241:45 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Transat logo]()
$283
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/41:45 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Transat logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/3010:31 pm -
3 stops53h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 12/161:14 pm -
2 stops22h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/2310:05 pm -
3 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/182:28 pm -
2 stops13h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$292
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Thu 10/812:50 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/206:30 pm -
3 stops27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$295
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $471 (Gotogate) |
One-way from | $277 (Air Canada) |
Popular in | July |
Cheapest in | January |
Average price | $721 |
Good round-trip deal | $785 or less |
Good one-way deal | $384 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 7,457,451 searches. Data last updated September 9, 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 San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Wed 9/16
6:45 pm-7:15 am
1 stop9h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$297
Quickest round-trip
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Mon 10/5
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Thu 10/1
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Sat 10/3
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Mon 10/12
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Sat 10/3
10:46 pm-11:44 am
1 stop9h 58m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$314
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Sun 10/4
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$323
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Thu 10/15
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$325
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Mon 10/19
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$325
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Thu 9/24
1:20 pm-12:37 am
1 stop8h 17m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$329
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
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 $503). Flying from San Francisco to Montreal in June is currently the most expensive (average of $769). 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 September 9, 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 September 9, 2026.
The most flights from SFO to YMQ are scheduled on a Tuesday (9 on average). You will have fewer flight options on Wednesday, 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?
Airfare is below average for this route at the moment.
San Francisco to Montreal flights typically cost between $630 and $836 in October.The cheapest round-trip price found within the last 5 days was $466 on WestJet (Oct 2-Oct 5).
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 46 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 September 9, 2026.
Read through reviews of airlines operating flights from San Francisco to Montreal, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Food
7.6
Overall
8.0
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
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.
Alternative routes
Complete your trip
Flights by cabin class
Montreal flight routes
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Montreal
See prices for flight routes from nearby airports that may be better suited for you.
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 September 9, 2026.
San Francisco and Montreal flights
Browse other San Francisco and Montreal flight options. Last updated on September 9, 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 September 9, 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$201 | Average$460 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$209 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$661 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$280 | Average$753 | FlexibilityNo cancel fee | On-time69% |