Cheap flights from Montreal to San Francisco from C$ 283
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SFO
27 Feb — 6 Mar1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to San Francisco are usually found in May or February, booked 68 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Montreal to San Francisco
Enter your travel dates to find the best prices.
Cheapest flights from Montreal to San Francisco
Explore the most affordable flight options available from Montreal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.
Fri 20/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Wed 1/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 437
Mon 13/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 27/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 440
Wed 15/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Wed 22/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 442
Tue 17/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Multiple Airlines
Wed 1/410:14 p.m.
SFO
-
YUL
2 stops47h 24m
Multiple Airlines
Deal found 27/1C$ 443
Wed 18/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Sun 29/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 27/1C$ 448
Mon 23/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Wed 1/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 25/1C$ 451
Thu 19/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Sat 28/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 452
Mon 9/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Fri 13/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 454
Thu 16/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Tue 21/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 455
Mon 13/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
Mon 20/46:45 p.m.
SFO
-
YUL
2 stops26h 53m
Multiple Airlines
Deal found 27/1C$ 462
Sat 18/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 27/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 463
Best flights from Montreal to San Francisco
Discover carefully curated flight deals from Montreal to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 January 2026.
Thu 19/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Thu 26/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 25/1C$ 451
Wed 6/56:45 a.m.
YUL
-
SFO
2 stops32h 15m
WestJet
Wed 13/51:00 p.m.
SFO
-
YUL
2 stops32h 40m
WestJet
Deal found 27/1C$ 493
Tue 24/26:45 a.m.
YUL
-
SFO
2 stops27h 46m
Multiple Airlines
Tue 10/31:00 p.m.
SFO
-
YUL
1 stop21h 32m
Multiple Airlines
Deal found 28/1C$ 556
Wed 22/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Wed 29/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 26/1C$ 465
Mon 23/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Wed 8/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 470
Thu 19/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Mon 30/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 25/1C$ 473
Wed 4/35:55 p.m.
YUL
-
SFO
1 stop18h 35m
Multiple Airlines
Wed 11/39:07 p.m.
SFO
-
YUL
2 stops15h 03m
Multiple Airlines
Deal found 27/1C$ 601
Sun 24/57:25 p.m.
YUL
-
SFO
2 stops24h 15m
WestJet
Sat 30/56:00 a.m.
SFO
-
YUL
1 stop22h 00m
WestJet
Deal found 27/1C$ 603
Tue 24/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Mon 30/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 25/1C$ 473
Fri 1/56:45 a.m.
YUL
-
SFO
1 stop8h 35m
Porter Airlines
Tue 5/51:20 p.m.
SFO
-
YUL
1 stop8h 17m
Porter Airlines
Deal found 26/1C$ 481
Sun 19/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 27/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Deal found 27/1C$ 545
Direct flights from Montreal to San Francisco
Explore direct flight options from Montreal to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 January 2026.
Thu 19/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Wed 25/38:25 a.m.
SFO
-
YUL
Nonstop5h 24m
Air Canada
Deal found 28/1C$ 614
Wed 6/55:40 p.m.
YUL
-
SFO
Nonstop6h 22m
Air Canada
Wed 13/58:05 a.m.
SFO
-
YUL
Nonstop5h 40m
Air Canada
Deal found 27/1C$ 621
Wed 4/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Tue 10/38:25 a.m.
SFO
-
YUL
Nonstop5h 24m
Air Canada
Deal found 26/1C$ 627
Thu 19/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Tue 31/38:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 25/1C$ 629
Wed 15/46:00 p.m.
YUL
-
SFO
Nonstop6h 21m
Air Canada
Tue 21/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 27/1C$ 638
Wed 25/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Mon 30/38:10 a.m.
SFO
-
YUL
Nonstop5h 40m
Air Canada
Deal found 27/1C$ 645
Wed 18/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Wed 1/48:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 26/1C$ 649
Wed 11/25:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Wed 18/28:25 a.m.
SFO
-
YUL
Nonstop5h 24m
Air Canada
Deal found 26/1C$ 670
Fri 20/35:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Sun 29/38:10 a.m.
SFO
-
YUL
Nonstop5h 37m
Air Canada
Deal found 26/1C$ 673
Thu 12/25:50 p.m.
YUL
-
SFO
Nonstop6h 32m
Air Canada
Thu 19/28:25 a.m.
SFO
-
YUL
Nonstop5h 24m
Air Canada
Deal found 27/1C$ 679
Last-minute flights from Montreal to San Francisco
Discover last-minute flight deals from Montreal to San Francisco. Data last updated 28 January 2026 and is based on user searches.
Thu 5/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Thu 12/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 25/1C$ 526
Thu 5/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 2/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 540
Sat 7/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Thu 12/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 499
Sat 7/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Fri 13/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 525
Mon 9/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Fri 13/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 26/1C$ 454
Wed 11/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
Wed 18/28:00 a.m.
SFO
-
YUL
2 stops28h 15m
Multiple Airlines
Deal found 26/1C$ 545
Thu 19/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
Wed 25/27:15 p.m.
SFO
-
YUL
2 stops32h 50m
Multiple Airlines
Deal found 26/1C$ 529
Thu 26/26:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Mon 2/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Deal found 27/1C$ 500
Thu 26/26:45 a.m.
YUL
-
SFO
2 stops16h 51m
Multiple Airlines
Sun 1/310:15 a.m.
SFO
-
YUL
1 stop27h 12m
Multiple Airlines
Deal found 27/1C$ 530
Thu 26/26:45 a.m.
YUL
-
SFO
2 stops16h 51m
Multiple Airlines
Mon 2/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Multiple Airlines
Deal found 27/1C$ 544
One-way flights from Montreal to San Francisco
Search for one-way flight options from Montreal to San Francisco. Find affordable one-way fares based on user searches. Data last updated 28 January 2026.
Mon 11/57:25 p.m.
YUL
-
SFO
2 stops19h 35m
WestJet
Deal found 26/1C$ 283
Thu 12/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 26/1C$ 284
Thu 30/46:45 a.m.
YUL
-
SFO
2 stops32h 15m
WestJet
Deal found 28/1C$ 286
Fri 8/57:25 p.m.
YUL
-
SFO
2 stops19h 35m
WestJet
Deal found 27/1C$ 290
Mon 16/36:45 a.m.
YUL
-
SFO
3 stops38h 52m
Multiple Airlines
Deal found 28/1C$ 293
Fri 27/21:40 p.m.
YUL
-
SFO
3 stops37h 48m
Multiple Airlines
Deal found 27/1C$ 294
Mon 8/67:25 p.m.
YUL
-
SFO
2 stops19h 35m
WestJet
Deal found 26/1C$ 295
Mon 30/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 25/1C$ 299
Mon 9/28:00 a.m.
YUL
-
SFO
1 stop29h 30m
Multiple Airlines
Deal found 27/1C$ 301
Sat 2/57:25 p.m.
YUL
-
SFO
2 stops19h 35m
WestJet
Deal found 27/1C$ 303
Tue 17/25:25 p.m.
YUL
-
SFO
2 stops19h 20m
Multiple Airlines
Deal found 26/1C$ 308
Find flight deals from Montreal to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 28 January 2026.
Customize your flight search to find flights from Montreal 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 629,999 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Montreal to San Francisco that are best for you.
Fly from
Montreal
Fly to
San Francisco
Route
Depart
Return
Price
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 19/3
6:45 a.m.-12:42 p.m.
1 stop8h 57m
San Francisco
Thu 26/3
1:45 p.m.-12:32 a.m.
1 stop7h 47m
C$ 451
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 22/4
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Wed 29/4
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 465
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Mon 23/3
6:45 a.m.-12:42 p.m.
1 stop8h 57m
San Francisco
Wed 8/4
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 470
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Thu 19/3
6:45 a.m.-12:42 p.m.
1 stop8h 57m
San Francisco
Mon 30/3
1:45 p.m.-12:32 a.m.
1 stop7h 47m
C$ 473
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 24/3
6:45 a.m.-12:42 p.m.
1 stop8h 57m
San Francisco
Mon 30/3
1:45 p.m.-12:32 a.m.
1 stop7h 47m
C$ 473
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Fri 1/5
6:45 a.m.-12:20 p.m.
1 stop8h 35m
San Francisco
Tue 5/5
1:20 p.m.-12:37 a.m.
1 stop8h 17m
C$ 481
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 6/5
6:45 a.m.-12:00 p.m.
2 stops32h 15m
San Francisco
Wed 13/5
1:00 p.m.-12:40 a.m.
2 stops32h 40m
C$ 493
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Sun 19/4
6:45 a.m.-12:45 p.m.
1 stop9h 00m
San Francisco
Mon 27/4
1:45 p.m.-12:35 a.m.
1 stop7h 50m
C$ 545
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 24/2
6:45 a.m.-7:31 a.m.
2 stops27h 46m
San Francisco
Tue 10/3
1:00 p.m.-1:32 p.m.
1 stop21h 32m
C$ 556
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Wed 4/3
5:55 p.m.-9:30 a.m.
1 stop18h 35m
San Francisco
Wed 11/3
9:07 p.m.-3:10 p.m.
2 stops15h 03m
C$ 601
Flights are sorted by cheapest round-trip flights first.
Deals found on 26/1
Showing 1-10 of 22 results
1
2
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Best time to book a flight from Montreal to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Montreal with our price prediction graph.
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 to San Francisco
How far ahead should I book a flight from Montreal to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Montreal to San Francisco. Price data was last updated on 23 January 2026.
To ensure you get the cheapest price possible for a flight from Montreal to San Francisco, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Montreal to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 295). Flying from Montreal to San Francisco in December is currently the most expensive (average of C$ 437). 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 YMQ to SFO?
Find hourly flight availability from Montreal 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 28 January 2026.
When flying from Montreal to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Montreal to San Francisco
Explore weekly flight availability from Montreal to San Francisco. 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 28 January 2026.
The most flights from YMQ to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Montreal to San Francisco?
What’s the top layover airport for flights from Montreal to San Francisco?
Share of one-stop round-trip flights from Montreal to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 94% of one-stop itineraries from Montreal to San Francisco on Cheapflights.
What’s the cheapest layover airport for flights from Montreal to San Francisco?
Average round-trip fare for 1-stop flights from Montreal to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 511.
What’s the fastest layover option from Montreal to San Francisco?
Shortest average travel time for 1-stop one-way flights from Montreal to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 50m.
Which airport typically offers the quickest layover for flights from Montreal to San Francisco?
Average layover duration for 1-stop one-way flights from Montreal to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 34m.
How often are flights from Montreal to San Francisco delayed?
About 19% of weekly flights between Montreal and San Francisco have experienced delays in the past year, with the average delay time being 141 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 past year, Air Canada has had the lowest number of delays on this route, with just 18% of flights being delayed.
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 28 January 2026.
Read through reviews of airlines operating flights from Montreal to San Francisco, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
It's good. Planes are new and fresh. WiFi is best and stands out
Related info for your journey
Find useful and relevant information for your journey from Montreal to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to San Francisco from Montreal?
Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Montreal. On average, San Francisco has 3 inbound flights from Montreal per day from 5 airlines. San Francisco is conveniently located just 19.0 km from San Francisco’s city centre.
How long is the flight from Montreal to San Francisco?
Airlines like Porter Airlines fly from Montreal to San Francisco in about 8h 57m. The time it takes to get you to your destination can typically vary by up to . Montreal and San Francisco are separated by a distance of 4073 km.
What are the cheapest airlines flying from Montreal to San Francisco round-trip?
According to our current data, Delta (C$ 254), Porter Airlines (C$ 287), and WestJet (C$ 299) offers the cheapest pricing from Montreal to San Francisco. You may be able to fly from Montreal to San Francisco for 56% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Montreal to San Francisco one-way?
The cheapest airlines for a one-way flight from Montreal to San Francisco are Porter Airlines (C$ 208), Air Canada (C$ 263), and United Airlines (C$ 270).
What are the most reliable airlines from Montreal to San Francisco?
No one likes to see their flight delayed. When booking a flight from Montreal to San Francisco consider choosing Air Canada (58%), Brussels Airlines (58%) or United Airlines (58%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Montreal to San Francisco?
While on average a flight from Montreal to San Francisco is generally C$ 1,090, our data shows the cheapest flight currently is C$ 276. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Francisco), you can expect to pay C$ 383 for that flight.
Can I find deals for business class flights from Montreal to San Francisco?
Yes. Cheapflights offers flight deals from Montreal to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Montreal to San Francisco (average of C$ 295). Flying from Montreal to San Francisco in December is currently the most expensive (average of C$ 437). 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.
Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Burlingame
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo
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Fly from Montreal to San Francisco on these airlines
Choose from the following airlines for your flight from Montreal to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.
Browse through other flights departing from Montreal. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.
Top 5 airlines flying from Montreal to San Francisco
Discover the top 5 airlines that operate flights from Montreal 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 629,999 searches. Data last updated 28 January 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Montreal to San Francisco?
Deals for Montreal to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Montreal to San Francisco?
Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Montreal to San Francisco with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to San Francisco, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Montreal to San Francisco become cheaper?
Not ready to book yet? You can track prices for flights from Montreal to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.
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