YUL - SFO

$262 Find Cheap Flights from Montreal to San Francisco - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Montreal to San Francisco departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$368
Typical prices: $415-$637
WestJet
ter 8/18sáb 8/29
YUL - SFO • 1 stop
Cheapest non-stop
$466
Typical prices: $356-$515
Air Canada
qui 9/3qui 9/10
YUL - SFO • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United Economy Plus adds up to six inches more legroom on this longer route.
Porter PorterReserve adds priority boarding; newer jets offer Wi-Fi and power.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Air Canada and United Airlines. Average duration is 6h 12m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 75% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $405 (round-trip)
Shortest trip • 8h 51m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
Good to know
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Montreal to San Francisco (YUL-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Montreal to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Montreal to San Francisco

ter, ago 18 - sáb, ago 29
WestJet Logo
8:00 pm - 9:55 pm
YUL
-
SFO
28h 55m
1 stop
WestJet Logo
6:00 am - 7:05 am
SFO
-
YUL
22h 05m
1 stop
$368WestJet
ter, set 1 - ter, set 8
WestJet Logo
5:30 pm - 12:00 pm
YUL
-
SFO
21h 30m
1 stop
WestJet Logo
1:00 pm - 4:30 pm
SFO
-
YUL
24h 30m
1 stop
$369WestJet
sex, ago 21 - dom, ago 30
WestJet Logo
5:45 pm - 9:55 pm
YUL
-
SFO
31h 10m
2 stops
WestJet Logo
6:00 am - 12:25 am
SFO
-
YUL
15h 25m
2 stops
$370WestJet
qua, set 30 - dom, out 4
Porter Airlines Logo
6:45 am - 12:20 pm
YUL
-
SFO
8h 35m
1 stop
Porter Airlines Logo
1:20 pm - 12:37 am
SFO
-
YUL
8h 17m
1 stop
$371Porter Airlines
qua, ago 19 - qui, ago 27
WestJet Logo
6:45 am - 4:40 pm
YUL
-
SFO
12h 55m
2 stops
WestJet Logo
6:00 am - 12:25 am
SFO
-
YUL
15h 25m
2 stops
$372WestJet
qui, ago 27 - ter, set 8
WestJet Logo
7:15 am - 4:40 pm
YUL
-
SFO
12h 25m
1 stop
WestJet Logo
1:00 pm - 4:30 pm
SFO
-
YUL
24h 30m
1 stop
$373WestJet
qui, ago 20 - dom, ago 23
WestJet Logo
7:15 am - 9:55 pm
YUL
-
SFO
17h 40m
1 stop
WestJet Logo
6:00 am - 4:45 pm
SFO
-
YUL
31h 45m
2 stops
$374WestJet
qui, set 17 - seg, set 21
WestJet Logo
5:30 pm - 12:00 pm
YUL
-
SFO
21h 30m
1 stop
WestJet Logo
1:00 pm - 4:45 pm
SFO
-
YUL
24h 45m
2 stops
$375WestJet
ter, ago 18 - sáb, ago 29
WestJet Logo
8:00 pm - 9:55 pm
YUL
-
SFO
28h 55m
1 stop
WestJet Logo
1:00 pm - 4:30 pm
SFO
-
YUL
24h 30m
1 stop
$376WestJet
ter, ago 18 - ter, ago 25
WestJet Logo
7:15 am - 12:00 pm
YUL
-
SFO
31h 45m
1 stop
WestJet Logo
6:00 am - 11:45 pm
SFO
-
YUL
14h 45m
1 stop
$377WestJet
Booking Insights

KAYAK's insights & trends for Montreal to San Francisco flights

Get data-powered insights and trends into flights from Montreal to San Francisco to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco departing in August.

What’s the cheapest day of the week to fly from Montreal to San Francisco?

The average price of all round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco clicked on KAYAK for each day over the last 12 months.

For Montreal to San Francisco, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from San Francisco back to Montreal, the best deals are generally found on Tuesday, with Friday being the most expensive.

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco is January, where tickets cost $418 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $627 and $571 respectively.

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $518, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco, you should book around 3 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Expert advice

Expert advice for your flight from Montreal to San Francisco

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Porter Airlines

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Brandon Schultz

Brandon Schultz

Expert on YUL

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

November

Cheapest flight

$262
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Montreal to San Francisco

When to book flights from Montreal to San Francisco

Are your dates flexible? Find out the best times to travel from Montreal to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Montreal to San Francisco flights

  • Are there pet relief areas at San Francisco International Airport?

    San Francisco Airport has eight pet relief areas available 24h a day, with drinking areas and fences for your pet’s comfort and security. At arrivals you’ll find pet relief areas located near the baggage claim levels in Terminal 1 (Courtyard 2), Terminal 2 (Courtyard 3) and Terminal 3 (Courtyard 4). Just follow the walkways with the paw prints to find the closest pet relief area.

  • What’s the fastest public transportation option to get from the airport to San Francisco’s city centre?

    Taking the BART train is the easiest and fastest public transportation option when travelling from the airport to the city centre. Trains depart about four times every hour from the BART station in the international terminal. The trip takes about 30min, and a one-way ticket costs $21 (about C$ 28). Most hotels in downtown San Francisco are within walking distance of a BART station.

  • Is there a museum at San Francisco Airport?

    The SFO Museum was founded in 1980, and San Francisco International Airport was the first airport to house this type of institution. Travellers passing through the airport as well as San Francisco residents can visit the exhibitions for free, with only nine of the 25 galleries being located post-security check.

  • Where can I rent a car at San Francisco International Airport?

    The car rental company offices at San Francisco International Airport are located in the Rental Car Center. To get there, you must take the free AirTrain Blue Line that connects all terminals, available 24h a day.

  • What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco?

    In the last 5 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco was $262 for a one-way ticket and $368 for a round-trip.

  • Do I need a passport to fly between Montreal and San Francisco?

    A passport is required to fly from Montreal to San Francisco.

  • Which airlines offer Wi-Fi service onboard planes from Montreal to San Francisco?

    Only Air Canada offers inflight Wi-Fi service on the Montreal to San Francisco flight route.

  • Which aircraft models fly most regularly from Montreal to San Francisco?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Montreal to San Francisco flight route.

  • Which airline alliances offer flights from Montreal to San Francisco?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Montreal and San Francisco, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Montreal to San Francisco?

    There are nonstop flights from Montreal to San Francisco on a daily basis.

  • Which is the best airline for flights from Montreal to San Francisco, Porter Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Montreal to San Francisco are Porter Airlines and Delta. With an average price for the route of $473 and an overall rating of 8.0, Porter Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $669 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Montreal to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Montreal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montreal to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Montreal with another airline. Booking your flights between Montreal and SFO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco

  • Looking for a cheap flight? 25% of our users found flights on this route for $352 or less one-way and $518 or less round-trip.
  • The minute your flight from Montreal to San Francisco lands, you’ll see why San Francisco International Airport (SFO) is one of the best airports in the United States. The modern facilities are all about making your airport experience a pleasant one.
  • If you need to freshen up after your flight but don't want to go to a hotel, head over to FreshenUp for a shower. It's open 24/7, and a 30 min deluxe shower with complimentary shampoo, soap and lotion costs $25 (about C$ 33.33) per person. Need a power nap instead? They offer that service too. You can rent a nap room suite for $40 (about C$ 53.32) for 1h.
  • Flights from Montreal to San Francisco aren't the longest, but if you need to stretch after your trip, head over to the yoga room in Terminal 2. Not too many airports can say they have one, and in fact, San Francisco Airport is one of the first. The best part? You can use the room for free.
  • If you need medical assistance or left your prescribed medication at home, visit the SFO Medical Clinic in the main hall of the international terminal.
  • SFO is well-connected to the city centre through a variety of transportation options that fit all needs and all budgets. The most convenient option is to travel by taxi or to use a rideshare app, in order to reach the city centre in under 30 min. A taxi ride can cost between $46 and $66 (C$ 61.32 and C$ 87.98).

Prefer to fly direct from Montreal to San Francisco?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Montreal Pierre Elliott Trudeau Intl to San Francisco.
Find which airlines fly direct from Montreal Pierre Elliott Trudeau Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Montreal Pierre Elliott Trudeau Intl to San Francisco

Monday

Air Canada,United Airlines

Air Canada,United Airlines

Tuesday

Air Canada,United Airlines

Air Canada,United Airlines

Wednesday

Air Canada,United Airlines

Air Canada,United Airlines

Thursday

Air Canada,United Airlines

Air Canada,United Airlines

Friday

Air Canada,United Airlines

Air Canada,United Airlines

Saturday

Air Canada,United Airlines

Air Canada,United Airlines

Sunday

Air Canada,United Airlines

Air Canada,United Airlines

See more direct flights

Direct returns

San Francisco to Montreal Pierre Elliott Trudeau Intl

Monday

Air Canada,United Airlines

Air Canada,United Airlines

Tuesday

Air Canada,United Airlines

Air Canada,United Airlines

Wednesday

Air Canada,United Airlines

Air Canada,United Airlines

Thursday

Air Canada,United Airlines

Air Canada,United Airlines

Friday

Air Canada,United Airlines

Air Canada,United Airlines

Saturday

Air Canada,United Airlines

Air Canada,United Airlines

Sunday

Air Canada,United Airlines

Air Canada,United Airlines

See more direct flights

Everything you need to know for your flight from Montreal to San Francisco

Information on your arrival and departure airports