$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
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 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
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 May 31, 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 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![Porter Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![WestJet logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Porter Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$462
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 May 31, 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 May 31, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:39 pm
SFO
- YUL
Nonstop5h 37m
United Airlines
Thu 8/206:35 pm
YUL
- SFO
Nonstop6h 13m
United Airlines
Deal found 5/29![United Airlines logo]()
$592
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
SFO
- YUL
2 stops14h 40m
Delta
Thu 8/207:00 am
YUL
- SFO
2 stops17h 59m
Delta
Deal found 5/29![Delta logo]()
$610
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Wed 7/226:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Deal found 5/27![Porter Airlines logo]()
$619
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
SFO
- YUL
1 stop8h 30m
United Airlines
Tue 9/16:35 pm
YUL
- SFO
Nonstop6h 13m
United Airlines
Deal found 5/30![United Airlines logo]()
$602
This Porter Airlines deal was found by Cheapflights users on 5/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Mon 7/206:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Deal found 5/28![Porter Airlines logo]()
$619
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:55 pm
SFO
- YUL
1 stop10h 02m
Delta
Thu 7/26:00 am
YUL
- SFO
2 stops20h 16m
Delta
Deal found 5/30![Delta logo]()
$643
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:38 pm
SFO
- YUL
Nonstop5h 38m
United Airlines
Tue 7/286:10 am
YUL
- SFO
1 stop8h 28m
United Airlines
Deal found 5/27![United Airlines logo]()
$608
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:56 pm
SFO
- YUL
1 stop12h 45m
Delta
Fri 7/247:00 am
YUL
- SFO
1 stop13h 31m
Delta
Deal found 5/26![Delta logo]()
$691
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:38 pm
SFO
- YUL
Nonstop5h 38m
United Airlines
Sat 7/116:10 am
YUL
- SFO
1 stop8h 28m
United Airlines
Deal found 5/26![United Airlines logo]()
$681
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
SFO
- YUL
1 stop11h 15m
United Airlines
Sun 8/306:35 pm
YUL
- SFO
Nonstop6h 13m
United Airlines
Deal found 5/29![United Airlines logo]()
$710
Last-minute flights from San Francisco to MontrealDiscover last-minute flight deals from San Francisco to Montreal. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Montreal. Data last updated May 31, 2026 and is based on user searches.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:00 am
SFO
- YUL
2 stops13h 26m
United Airlines
Thu 6/256:35 pm
YUL
- SFO
Nonstop6h 16m
United Airlines
Deal found 5/30![United Airlines logo]()
$618
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:05 am
SFO
- YUL
1 stop13h 21m
United Airlines
Wed 6/249:15 am
YUL
- SFO
1 stop19h 00m
United Airlines
Deal found 5/30![United Airlines logo]()
$628
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:24 pm
SFO
- YUL
2 stops12h 18m
American Airlines
Sat 6/132:34 pm
YUL
- SFO
1 stop11h 15m
American Airlines
Deal found 5/29![American Airlines logo]()
$638
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:59 pm
SFO
- YUL
2 stops35h 09m
Multiple Airlines
Thu 6/116:45 am
YUL
- SFO
1 stop8h 35m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$640
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:35 pm
SFO
- YUL
1 stop9h 05m
Air Canada
Tue 6/238:10 am
YUL
- SFO
Nonstop6h 11m
Air Canada
Deal found 5/26![Air Canada logo]()
$613
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:35 pm
SFO
- YUL
1 stop9h 05m
Air Canada
Thu 6/256:00 am
YUL
- SFO
1 stop9h 32m
Air Canada
Deal found 5/26![Air Canada logo]()
$626
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:35 pm
SFO
- YUL
1 stop9h 05m
Air Canada
Mon 6/229:55 pm
YUL
- SFO
1 stop14h 14m
Air Canada
Deal found 5/26![Air Canada logo]()
$651
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:50 am
SFO
- YUL
1 stop13h 05m
Delta
Sat 6/277:00 am
YUL
- SFO
1 stop13h 39m
Delta
Deal found 5/26![Delta logo]()
$654
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:35 pm
SFO
- YUL
1 stop9h 05m
Air Canada
Sat 6/278:10 am
YUL
- SFO
Nonstop6h 11m
Air Canada
Deal found 5/26![Air Canada logo]()
$661
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 May 31, 2026.
Search for one-way flight options from San Francisco to Montreal. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 5/26![Porter Airlines logo]()
$219
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 5/26![Porter Airlines logo]()
$222
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:59 am
SFO
- YUL
1 stop17h 39m
American Airlines
Deal found 5/27![American Airlines logo]()
$231
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 5/26![WestJet logo]()
$232
This Justfly.com deal was found by Cheapflights users on 5/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:00 pm
SFO
- YUL
1 stop15h 05m
WestJet
Deal found 5/28![WestJet logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Thu 9/171:00 pm
SFO
- YUL
1 stop24h 30m
WestJet
Deal found 5/28![WestJet logo]()
$234
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
SFO
- YUL
1 stop14h 45m
WestJet
Deal found 5/26![WestJet logo]()
$236
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 7/156:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 5/29![WestJet logo]()
$237
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 5/29![WestJet logo]()
$238
This Air Canada deal was found by Cheapflights users on 5/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/121:25 pm
SFO
- YUL
1 stop8h 07m
Air Canada
Deal found 5/28![Air Canada logo]()
$240
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 |
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
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
Showing 1-10 of 19 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 May.
| 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
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
GoodJustin,May 2026
YYZ - MCO
Entertainment
6.9
Boarding
8.2
Crew
8.6
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Entertainment
6.9
Boarding
8.2
Crew
8.6
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Entertainment
6.9
Boarding
8.2
Crew
8.6
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Entertainment
6.9
Boarding
8.2
Crew
8.6
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Entertainment
6.9
Boarding
8.2
Crew
8.6
Comfort
8.0
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
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.
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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 May 31, 2026.
San Francisco and Montreal flights
Browse other San Francisco and Montreal flight options. Last updated on May 31, 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 May 31, 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 May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$521 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$209 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$568 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$292 | Average$618 | FlexibilityNo cancel fee | On-time69% |