Cheap flights from Montreal to San Francisco from $158
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to San Francisco departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Air Canada flights from Montreal to San Francisco
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United Airlines flights from Montreal to San Francisco
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How to get the cheapest flight ticket from Montreal to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $372.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Montreal to San Francisco is on a Friday when prices can be found for as low as $402. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $760.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Montreal to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $354. Flights in the afternoon are often more expensive with an average ticket price of $600.
What is the cheapest Montreal to San Francisco flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to San Francisco for the best Montreal - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Montreal when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $419 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Montreal for as low as $370 on momondo.
What cabin class options are available on Montreal to San Francisco flights?
There are 4 cabin classes available to choose from on Montreal to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Montreal to San Francisco?
WestJet, Porter Airlines, and United Airlines are the most popular carriers operating from Montreal to San Francisco
What airlines fly to San Francisco?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Montreal according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal to San Francisco on average per day?
As of June 2025, 8 flights take off from Montreal and land in San Francisco each day. The most common flight departure time for this route is 4:00PM, with 40% of daily flights taking off in the afternoon.
How many flights depart from Montreal to San Francisco on average per week?
The number of flights available between Montreal and San Francisco is 60 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from Montreal to San Francisco
Cheap Montreal to San Francisco (YMQ to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal to San Francisco
Best Price Found | $158 |
|---|---|
Fastest flight time | 6h 06m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Montreal to San Francisco by plane?
The distance between Montreal and San Francisco is about 2535.4 mi. By plane, this route typically takes 6h 06m.
When did momondo last update prices for flights from Montreal to San Francisco Airport?
Prices for flights from Montreal to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Montreal to San Francisco Airport?
As of June 2025, there are 4 operators available to choose from for flights from Montreal to San Francisco Airport.
How old do you have to be to fly from Montreal to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to San Francisco?
Based on momondo bookings for flights between Montreal and San Francisco, the leading plane model is Boeing 737 MAX 8, making up 73.38% of the total bookings. Other popular models include Airbus A220-300 with 19.69%, De Havilland (Bombardier) DHC-8-400 Dash 8Q with 1.62%, and Airbus A319 with 1.26%.
What is the most popular airline from Montreal to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to San Francisco is Air Canada (56% of total bookings). The next most popular airlines are United Airlines (24%) and Porter Airlines (20%).
Best airlines flying from Montreal to San Francisco
Compare and see reviews for airlines that fly from Montreal to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $231 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.8 396 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $341 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Montreal to San Francisco
The lowest priced United Airlines flight from Montreal to San Francisco from the last 72 hours was $341. Generally, United Airlines has 20 flights on this route every week with an average price of $628. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Montreal to San Francisco
Air Canada is also a popular choice for this route. Air Canada flight deals for Montreal to San Francisco start from as low as $316 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $425. Air Canada operates 20 flights to San Francisco from Montreal in an average week. Users have rated it 7.1/10 across 9,537 reviews.
Traveling to a place near San Francisco?
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Why should I use momondo to find a flight deal from Montreal to San Francisco?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to San Francisco. momondo saves you time and could save you money on your trip.
Can I find flights from Montreal to San Francisco with flexible booking policies on momondo?
All flight searches from Montreal to San Francisco on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Montreal to San Francisco?
momondo provides multiple filters to help you find the best flight to San Francisco from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Montreal to San Francisco right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Montreal and alert you when they change.