$184+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to San Francisco (SFO)
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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SFO
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Pierre Elliott Trudeau Intl to San Francisco 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
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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 Montreal Pierre Elliott Trudeau Intl to San Francisco are usually found in April or May, booked 36 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Pierre Elliott Trudeau Intl to San Francisco
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Cheapest flights from Pierre Elliott Trudeau Intl to San FranciscoExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This Porter Airlines deal was found by Cheapflights users on 2/10. 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 4/296:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Sun 5/101:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/286:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Tue 4/211:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$309
This Porter Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 5/106:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Mon 5/111:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$310
This FlightHub deal was found by Cheapflights users on 2/11. 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 3/186:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Tue 3/241:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$311
This Vliegwinkel deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:00 pm
YUL
- SFO
Nonstop6h 21m
Multiple Airlines
Thu 4/91:45 pm
SFO
- YUL
1 stop7h 50m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/166:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Tue 4/211:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/186:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Thu 3/261:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$314
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Wed 4/16:00 pm
YUL
- SFO
Nonstop6h 21m
Air Canada
Wed 4/2211:55 am
SFO
- YUL
1 stop9h 36m
Air Canada
Deal found 2/10![Air Canada logo]()
$315
This Trip.com deal was found by Cheapflights users on 2/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/218:00 pm
YUL
- SFO
1 stop28h 55m
WestJet
Tue 6/236:05 pm
SFO
- YUL
1 stop10h 00m
WestJet
Deal found 2/9![WestJet logo]()
$317
This Porter Airlines deal was found by Cheapflights users on 2/10. 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 4/286:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Tue 5/121:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$318
This oojo deal was found by Cheapflights users on 2/10. 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.
Fri 5/18:00 pm
YUL
- SFO
1 stop19h 00m
WestJet
Mon 5/46:00 am
SFO
- YUL
1 stop14h 45m
WestJet
Deal found 2/10![WestJet logo]()
$319
This Porter Airlines deal was found by Cheapflights users on 2/11. 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 5/46:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Wed 5/131:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$320
Best flights from Pierre Elliott Trudeau Intl to San FranciscoDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Porter Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 4/306:45 am
YUL
- SFO
1 stop9h 00m
Porter Airlines
Sun 5/101:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/16:35 pm
YUL
- SFO
1 stop9h 42m
United Airlines
Wed 4/2212:35 pm
SFO
- YUL
1 stop8h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$327
This Porter Airlines deal was found by Cheapflights users on 2/11. 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 5/66:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Mon 5/111:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/314:55 pm
YUL
- SFO
1 stop10h 24m
United Airlines
Tue 4/2111:55 pm
SFO
- YUL
1 stop10h 14m
United Airlines
Deal found 2/10![United Airlines logo]()
$327
This Porter Airlines deal was found by Cheapflights users on 2/11. 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 5/46:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Thu 5/141:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/316:35 pm
YUL
- SFO
1 stop9h 42m
United Airlines
Wed 4/2212:35 pm
SFO
- YUL
1 stop8h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$327
This Porter Airlines deal was found by Cheapflights users on 2/9. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Wed 5/131:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/9![Porter Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/276:35 pm
YUL
- SFO
1 stop9h 42m
United Airlines
Tue 5/1211:56 pm
SFO
- YUL
1 stop7h 44m
United Airlines
Deal found 2/10![United Airlines logo]()
$327
This Porter Airlines deal was found by Cheapflights users on 2/9. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Fri 5/151:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/9![Porter Airlines logo]()
$321
This Porter Airlines deal was found by Cheapflights users on 2/9. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Tue 5/51:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/9![Porter Airlines logo]()
$322
This Porter Airlines deal was found by Cheapflights users on 2/11. 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 5/66:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Fri 5/151:20 pm
SFO
- YUL
1 stop8h 17m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$323
Last-minute flights from Pierre Elliott Trudeau Intl to San FranciscoDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to San Francisco. Data last updated February 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/126:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Tue 3/171:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/176:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Thu 3/261:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$310
This FlightHub deal was found by Cheapflights users on 2/11. 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 3/186:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Tue 3/241:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/186:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Fri 3/271:45 pm
SFO
- YUL
1 stop7h 47m
Porter Airlines
Deal found 2/11![Porter Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/212:25 pm
YUL
- SFO
1 stop9h 31m
American Airlines
Tue 3/316:21 am
SFO
- YUL
1 stop13h 35m
American Airlines
Deal found 2/9![American Airlines logo]()
$326
This Air Canada deal was found by Cheapflights users on 2/9. 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.
Mon 3/235:50 pm
YUL
- SFO
Nonstop6h 32m
Air Canada
Tue 3/318:10 am
SFO
- YUL
Nonstop5h 40m
Air Canada
Deal found 2/9![Air Canada logo]()
$323
This Air Canada deal was found by Cheapflights users on 2/8. 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.
Mon 3/235:50 pm
YUL
- SFO
Nonstop6h 32m
Air Canada
Mon 3/308:10 am
SFO
- YUL
Nonstop5h 40m
Air Canada
Deal found 2/8![Air Canada logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/286:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Tue 4/211:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$309
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Sat 3/285:50 pm
YUL
- SFO
Nonstop6h 32m
Air Canada
Wed 4/2211:55 am
SFO
- YUL
1 stop8h 26m
Air Canada
Deal found 2/10![Air Canada logo]()
$315
This Porter Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/286:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Wed 4/221:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$324
This Porter Airlines deal was found by Cheapflights users on 2/10. 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 3/306:45 am
YUL
- SFO
1 stop8h 57m
Porter Airlines
Thu 4/231:45 pm
SFO
- YUL
1 stop7h 50m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/314:55 pm
YUL
- SFO
1 stop10h 24m
United Airlines
Mon 4/2010:50 pm
SFO
- YUL
1 stop8h 50m
United Airlines
Deal found 2/10![United Airlines logo]()
$327
One-way flights from Pierre Elliott Trudeau Intl to San FranciscoSearch for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Pierre Elliott Trudeau Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
YUL
- SFO
1 stop11h 02m
Air Canada
Deal found 2/11![Air Canada logo]()
$184
This Air Canada deal was found by Cheapflights users on 2/11. 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.
Sat 3/285:50 pm
YUL
- SFO
Nonstop6h 32m
Air Canada
Deal found 2/11![Air Canada logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/11. 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 4/1811:23 am
YUL
- SFO
2 stops14h 32m
United Airlines
Deal found 2/11![United Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/256:45 am
YUL
- SFO
3 stops19h 40m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 2/10. 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.
Sun 3/2912:50 pm
YUL
- SFO
1 stop12h 46m
Delta
Deal found 2/10![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 2/11. 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 3/1612:42 pm
YUL
- SFO
1 stop13h 37m
Delta
Deal found 2/11![Delta logo]()
$200
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/64:45 pm
YUL
- SFO
2 stops17h 38m
United Airlines
Deal found 2/11![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/19:45 am
YUL
- SFO
2 stops16h 10m
United Airlines
Deal found 2/10![United Airlines logo]()
$202
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:50 pm
YUL
- SFO
Nonstop6h 32m
Air Canada
Deal found 2/11![Air Canada logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:20 pm
YUL
- SFO
3 stops40h 13m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/36:45 am
YUL
- SFO
1 stop8h 35m
Porter Airlines
Deal found 2/10![Porter Airlines logo]()
$208
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Fri 5/88:05 am
YUL
- SFO
2 stops13h 32m
Air Canada
Deal found 2/10![Air Canada logo]()
$210
Find flight deals from Pierre Elliott Trudeau Intl to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to San Francisco (SFO). 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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (Porter Airlines) |
One-way from | $184 (Air Canada) |
Popular in | December |
Cheapest in | April |
Average price | $498 |
Good round-trip deal | $357 or less |
Good one-way deal | $352 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to San Francisco 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 February 12, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco that are best for you.
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Pierre Elliott Trudeau Intl
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MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 4/30
6:45 am-12:45 pm
1 stop9h 00m
San Francisco
Sun 5/10
1:20 pm-12:37 am
1 stop8h 17m
$308
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 5/6
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Mon 5/11
1:20 pm-12:37 am
1 stop8h 17m
$310
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Mon 5/4
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Thu 5/14
1:20 pm-12:37 am
1 stop8h 17m
$320
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 5/7
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Wed 5/13
1:20 pm-12:37 am
1 stop8h 17m
$321
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Fri 5/8
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Fri 5/15
1:20 pm-12:37 am
1 stop8h 17m
$321
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Fri 5/1
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Tue 5/5
1:20 pm-12:37 am
1 stop8h 17m
$322
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 5/6
6:45 am-12:20 pm
1 stop8h 35m
San Francisco
Fri 5/15
1:20 pm-12:37 am
1 stop8h 17m
$323
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 4/1
6:35 pm-1:17 am
1 stop9h 42m
San Francisco
Wed 4/22
12:35 pm-12:13 am
1 stop8h 38m
$327
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 3/31
4:55 pm-12:19 am
1 stop10h 24m
San Francisco
Tue 4/21
11:55 pm-1:09 pm
1 stop10h 14m
$327
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 3/31
6:35 pm-1:17 am
1 stop9h 42m
San Francisco
Wed 4/22
12:35 pm-12:13 am
1 stop8h 38m
$327
Showing 1-10 of 23 results
Compare providers for flights from Pierre Elliott Trudeau Intl to San Francisco
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 Pierre Elliott Trudeau Intl to San Francisco in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Francisco 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 Montreal Pierre Elliott Trudeau Intl Airport-San Francisco 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 Pierre Elliott Trudeau Intl to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Pierre Elliott Trudeau Intl with our price prediction graph.
YUL-SFO
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 Montreal Pierre Elliott Trudeau Intl Airport to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to San Francisco. Price data was last updated on February 6, 2026.
The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco (average of $209). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco in January is currently the most expensive (average of $320). 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 YUL to SFO?
Find hourly flight availability from Pierre Elliott Trudeau Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 12, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco as you normally would.
How often are flights from Montreal to San Francisco delayed?
About 20% of weekly flights between Montreal and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.
What is the most punctual flight time for Montreal to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Montreal to San Francisco flights?
Over the last year, Air Canada have had the lowest number of delays on this route, with just 19% of flights being delayed.
The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated February 12, 2026.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Food
7.5
Entertainment
6.9
Overall
7.9
Boarding
8.2
Crew
8.6
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Comfort
7.9
Food
7.5
Entertainment
6.9
Overall
7.9
Boarding
8.2
Crew
8.6
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Comfort
7.9
Food
7.5
Entertainment
6.9
Overall
7.9
Boarding
8.2
Crew
8.6
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Comfort
7.9
Food
7.5
Entertainment
6.9
Overall
7.9
Boarding
8.2
Crew
8.6
Reviews
1 / 20
2.0
MediocreMilad,Feb 2026
LIR - YYZ
Related info for your journey
Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSanta Cruz
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Pierre Elliott Trudeau Intl and San Francisco flights
Browse other Pierre Elliott Trudeau Intl and San Francisco flight options. Last updated on February 12, 2026.
Other flights from Pierre Elliott Trudeau Intl
Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
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Top 3 airlines flying from Pierre Elliott Trudeau Intl to San Francisco
Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to San Francisco. 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$348 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$261 | Average$420 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$351 | Average$574 | FlexibilityNo cancel fee | On-time69% |