$239+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YMQ
Sep 5 — Sep 121
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 73 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 August 6, 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 August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 -
1 stop15h 05m
Tue 10/138:00 pm -
1 stop19h 00m
Deal found 8/3![WestJet logo]()
$425
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Wed 10/76:05 pm -
1 stop10h 00m
Tue 10/137:20 pm -
2 stops24h 20m
Deal found 8/1![WestJet logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/236:05 pm -
1 stop10h 00m
Mon 9/287:15 am -
2 stops34h 14m
Deal found 8/2![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/256:00 am -
1 stop22h 05m
Mon 9/288:00 pm -
1 stop19h 00m
Deal found 8/3![WestJet logo]()
$429
This oojo deal was found by Cheapflights users on 8/2. 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.
Wed 9/166:05 pm -
1 stop10h 00m
Wed 9/306:45 am -
2 stops12h 55m
Deal found 8/2![WestJet logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 8/2. 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
Sun 9/206:45 am -
2 stops32h 15m
Deal found 8/2![WestJet logo]()
$432
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Tue 9/156:00 am -
1 stop22h 05m
Wed 9/306:45 am -
2 stops12h 55m
Deal found 8/1![WestJet logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/56:00 am -
1 stop22h 05m
Tue 10/138:00 pm -
1 stop19h 00m
Deal found 8/3![WestJet logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 8/2. 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
Wed 9/306:45 am -
2 stops12h 55m
Deal found 8/2![Multiple Airlines logo]()
$437
This FlightHub deal was found by Cheapflights users on 8/2. 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 9/126:00 am -
1 stop22h 05m
Mon 9/148:00 pm -
1 stop19h 00m
Deal found 8/2![WestJet logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 -
1 stop15h 05m
Mon 10/127:15 am -
2 stops28h 27m
Deal found 8/3![Multiple Airlines logo]()
$440
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Tue 9/156:00 am -
1 stop22h 05m
Wed 9/306:45 am -
1 stop8h 35m
Deal found 8/1![Multiple Airlines logo]()
$441
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 August 6, 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 August 6, 2026.
This Porter Airlines deal was found by Cheapflights users on 8/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:20 pm -
1 stop8h 17m
Wed 9/306:45 am -
1 stop8h 30m
Deal found 8/4![Porter Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/2211:39 pm -
Nonstop5h 37m
Fri 10/26:35 pm -
Nonstop6h 13m
Deal found 8/3![United Airlines logo]()
$635
This Porter Airlines deal was found by Cheapflights users on 8/6. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
1 stop8h 17m
Tue 10/276:45 am -
1 stop9h 00m
Deal found 8/6![Porter Airlines logo]()
$594
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/285:00 am -
1 stop9h 30m
Wed 9/26:35 pm -
Nonstop6h 13m
Deal found 8/3![United Airlines logo]()
$644
This Porter Airlines deal was found by Cheapflights users on 8/5. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:20 pm -
1 stop8h 17m
Fri 9/116:45 am -
1 stop8h 30m
Deal found 8/5![Porter Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/226:38 pm -
1 stop13h 02m
Sat 10/102:20 pm -
1 stop10h 06m
Deal found 8/1![United Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/2911:39 pm -
Nonstop5h 37m
Tue 9/16:35 pm -
Nonstop6h 13m
Deal found 8/2![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/2311:39 pm -
Nonstop5h 37m
Thu 10/16:35 pm -
Nonstop6h 13m
Deal found 8/2![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/2111:39 pm -
Nonstop5h 37m
Mon 8/246:35 pm -
Nonstop6h 13m
Deal found 8/3![United Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/1911:39 pm -
Nonstop5h 37m
Wed 8/266:35 pm -
Nonstop6h 13m
Deal found 8/3![United Airlines logo]()
$671
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/185:00 am -
1 stop9h 30m
Wed 9/96:35 pm -
Nonstop6h 13m
Deal found 8/3![United Airlines logo]()
$681
Last-minute flights from San Francisco to MontrealDiscover last-minute flight deals from San Francisco to Montreal. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Montreal. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Wed 9/26:45 am -
1 stop8h 30m
Deal found 8/5![Multiple Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Thu 9/36:45 am -
1 stop8h 30m
Deal found 8/5![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Fri 9/46:45 am -
1 stop8h 30m
Deal found 8/5![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Sat 9/56:45 am -
1 stop8h 30m
Deal found 8/5![Multiple Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Tue 9/17:15 am -
1 stop12h 25m
Deal found 8/5![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 8/1511:05 pm -
2 stops16h 10m
Sun 8/306:45 am -
1 stop8h 35m
Deal found 8/5![Multiple Airlines logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/1511:05 pm -
2 stops16h 10m
Tue 8/257:15 am -
1 stop12h 25m
Deal found 8/2![Multiple Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/161:20 pm -
1 stop8h 17m
Tue 8/257:15 am -
1 stop12h 25m
Deal found 8/2![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/161:20 pm -
1 stop8h 17m
Mon 8/317:15 am -
1 stop12h 25m
Deal found 8/3![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/161:20 pm -
1 stop8h 17m
Mon 8/248:00 pm -
1 stop19h 00m
Deal found 8/2![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/161:20 pm -
1 stop8h 17m
Thu 8/206:45 am -
1 stop8h 35m
Deal found 8/2![Porter Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/161:20 pm -
1 stop8h 17m
Sat 8/225:00 pm -
2 stops18h 12m
Deal found 8/2![Multiple Airlines logo]()
$622
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 August 6, 2026.
Search for one-way flight options from San Francisco to Montreal. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This deal was found by Cheapflights users on 8/2. 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.
Thu 10/151:20 pm -
1 stop8h 17m
Deal found 8/2![Porter Airlines logo]()
$239
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
1 stop22h 05m
Deal found 8/4![WestJet logo]()
$241
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Fri 10/26:45 pm -
1 stop9h 30m
Deal found 8/5![Flair Airlines logo]()
$242
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop22h 05m
Deal found 8/4![WestJet logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/2611:20 am -
3 stops27h 55m
Deal found 8/6![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Mon 8/1711:05 pm -
2 stops16h 10m
Deal found 8/6![Multiple Airlines logo]()
$245
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop22h 05m
Deal found 8/4![WestJet logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/244:31 pm -
3 stops59h 34m
Deal found 8/4![Multiple Airlines logo]()
$247
This oojo deal was found by Cheapflights users on 8/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:00 pm -
1 stop15h 05m
Deal found 8/5![WestJet logo]()
$248
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (Kiwi.com) |
One-way from | $239 |
Popular in | July |
Cheapest in | January |
Average price | $611 |
Good round-trip deal | $772 or less |
Good one-way deal | $342 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 August 6, 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
Tue 9/29
1:20 pm-12:37 am
1 stop8h 17m
Montreal Pierre Elliott Trudeau Intl
Wed 9/30
6:45 am-12:15 pm
1 stop8h 30m
$584
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Wed 10/21
1:20 pm-12:37 am
1 stop8h 17m
Montreal Pierre Elliott Trudeau Intl
Tue 10/27
6:45 am-12:45 pm
1 stop9h 00m
$594
Quickest round-trip
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Tue 9/22
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Fri 10/2
6:35 pm-9:48 pm
Nonstop6h 13m
$635
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Fri 8/28
5:00 am-5:30 pm
1 stop9h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 9/2
6:35 pm-9:48 pm
Nonstop6h 13m
$644
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Wed 9/9
1:20 pm-12:37 am
1 stop8h 17m
Montreal Pierre Elliott Trudeau Intl
Fri 9/11
6:45 am-12:15 pm
1 stop8h 30m
$648
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Sat 8/22
6:38 pm-10:40 am
1 stop13h 02m
Montreal Pierre Elliott Trudeau Intl
Sat 10/10
2:20 pm-9:26 pm
1 stop10h 06m
$660
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Sat 8/29
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Tue 9/1
6:35 pm-9:48 pm
Nonstop6h 13m
$668
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Wed 9/23
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Thu 10/1
6:35 pm-9:48 pm
Nonstop6h 13m
$668
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Fri 8/21
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Mon 8/24
6:35 pm-9:48 pm
Nonstop6h 13m
$671
San FranciscoMontreal
SFO San Francisco - YUL Montreal Pierre Elliott Trudeau Intl
SFOYUL
San Francisco
Wed 8/19
11:39 pm-8:16 am
Nonstop5h 37m
Montreal Pierre Elliott Trudeau Intl
Wed 8/26
6:35 pm-9:48 pm
Nonstop6h 13m
$671
Showing 1-10 of 22 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 August.
| 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 $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 August 6, 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 August 6, 2026.
The most flights from SFO to YMQ are scheduled on a Tuesday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from San Francisco to Montreal?
Airfare is typical for this route at the moment.
San Francisco to Montreal flights typically cost between $407 and $738 in October.The cheapest round-trip price found within the last 5 days was $425 on WestJet (Oct 1-Oct 13).
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 72 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 August 6, 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.
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Entertainment
6.9
Food
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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 August 6, 2026.
San Francisco and Montreal flights
Browse other San Francisco and Montreal flight options. Last updated on August 6, 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 August 6, 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$187 | Average$451 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$209 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$616 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$280 | Average$703 | FlexibilityNo cancel fee | On-time69% |