Cheap Flights from Montreal to San Francisco International

Compare Montreal to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Montreal to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Montreal to San Francisco International Airport? If you want to travel next month, return fares start from Rs110,496. Find the lowest prices on one-way and return tickets right here.

San Francisco.Rs54,261 per passenger.Departing Thu, 20 Aug.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Thu, 20 Aug, arriving in San Francisco International.Price includes taxes and charges.From Rs54,261, select.

San Francisco.Rs55,395 per passenger.Departing Wed, 29 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Wed, 29 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rs55,395, select.

San Francisco.Rs57,298 per passenger.Departing Sat, 6 Jun.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Sat, 6 Jun, arriving in San Francisco International.Price includes taxes and charges.From Rs57,298, select.

San Francisco.Rs57,840 per passenger.Departing Sat, 17 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sat, 17 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs57,840, select.

San Francisco.Rs57,863 per passenger.Departing Wed, 2 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Wed, 2 Sep, arriving in San Francisco International.Price includes taxes and charges.From Rs57,863, select.

San Francisco.Rs61,361 per passenger.Departing Thu, 28 May.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Thu, 28 May, arriving in San Francisco International.Price includes taxes and charges.From Rs61,361, select.

San Francisco.Rs63,028 per passenger.Departing Thu, 11 Jun.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Thu, 11 Jun, arriving in San Francisco International.Price includes taxes and charges.From Rs63,028, select.

San Francisco.Rs63,241 per passenger.Departing Wed, 27 May.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Wed, 27 May, arriving in San Francisco International.Price includes taxes and charges.From Rs63,241, select.

San Francisco.Rs65,876 per passenger.Departing Sat, 14 Nov.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Sat, 14 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs65,876, select.

San Francisco.Rs66,111 per passenger.Departing Tue, 1 Dec.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Tue, 1 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rs66,111, select.

San Francisco.Rs70,930 per passenger.Departing Fri, 25 Sep.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Fri, 25 Sep, arriving in San Francisco International.Price includes taxes and charges.From Rs70,930, select.

San Francisco.Rs71,106 per passenger.Departing Sat, 17 Oct.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 17 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs71,106, select.

San Francisco.Rs72,826 per passenger.Departing Sat, 14 Nov.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 14 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs72,826, select.

San Francisco.Rs73,352 per passenger.Departing Wed, 29 Jul.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Wed, 29 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rs73,352, select.

San Francisco.Rs73,378 per passenger.Departing Wed, 12 Aug.One-way flight with United.Outbound direct flight with United departs from Montreal Pierre Elliott Trudeau on Wed, 12 Aug, arriving in San Francisco International.Price includes taxes and charges.From Rs73,378, select.

San Francisco.Rs77,563 per passenger.Departing Thu, 21 Jan.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Thu, 21 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rs77,563, select.

Find the cheapest month to fly from Montreal to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to San Francisco International flights are currently cheapest in August.

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Direct flights from Montreal to San Francisco International

Montreal to San Francisco International: Alternative routes

Compare routes from Montreal to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Montreal to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	Rs54,261
Cheapest month to fly	August
Average flight time	6 hrs, 16 mins
Most popular airline	Air Canada
Average flights per week	48

Finding cheap flights from Montreal to San Francisco International: Frequently asked questions

How much are return flights from Montreal to San Francisco International?

The best price we found for a return flight from Montreal to San Francisco International is Rs88,845. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Montreal to San Francisco International?

6 hours and 16 minutes is the average flight time from Montreal to San Francisco International.

Which airlines fly direct from Montreal to San Francisco International?

Air Canada, United and Air New Zealand fly direct from Montreal to San Francisco International.

How many flights are there a week from Montreal to San Francisco International?

As of May 2026, there are 48 flights per week flying from Montreal to San Francisco International.

When is the cheapest time to fly from Montreal to San Francisco International?

The cheapest month to fly from Montreal to San Francisco International is usually August.

Which upcoming date is cheapest to fly from Montreal to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to San Francisco International Airport on Thursday, 13 August 2026.

Can I get a direct flight from Montreal to San Francisco International Airport?

Yes – the average flight time is 6 hours and 16 minutes.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Montreal to San Francisco International Airport (SFO): What you need to know

Montreal's main base, Montreal-Trudeau International Airport (YUL), is where new adventures begin. Explore the departure options from here when searching for a flight from Montreal to San Francisco International Airport (SFO).
6 hours 15 minutes is the average duration of a direct Montreal to San Francisco International Airport flight.
San Francisco International Airport is located in San Francisco. The city follows the UTC-8 timezone and is three hours behind Montreal.
Montreal-Trudeau International Airport (YUL) to San Francisco International Airport (SFO) is the most popular route. There are 13 direct weekly departures to choose from. If you prefer to head out later, take the last flight with United Airlines at 6:30pm. Choose the first YUL to SFO departure operated by Air Canada at 8:05am if you'd rather get a move on.
Your flight from Montreal to SFO won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
Flying during a peak month such as July? School holidays and other popular seasons can lead to longer lines at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

Montreal-Trudeau International Airport (YUL) is a convenient option for travelling directly to your destination. Nonstop flights from Montreal to San Francisco International Airport (SFO) can be booked from this terminal.
You can travel on a direct flight from Montreal to San Francisco International Airport with Air Canada. This top airline operates departures from YUL.
Most passengers prefer to fly with Air Canada between YUL and SFO.
The carrier with the best on-time performance on this route is Air Canada. Its services land without delay 76.25% of the time.
The journey from central Montreal to YUL takes about 45 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic.
Want a stress-free start to your journey? Stay near Montreal-Trudeau International Airport. Whether you're catching an early flight from Montreal to San Francisco International Airport or want to avoid feeling rushed, these hotels have you covered:
When it comes to Montreal-Trudeau International Airport's on-time performance, data shows 67% of flights meet their scheduled arrival time.
You'll find YUL at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

On public transport, you can travel from central Montreal to YHU in about 1 hour. The airport is roughly 23 kilometres away, and getting there by car takes approximately 25 minutes.
Flying off with the first light? You might like to check in to one of these hotels near Montreal Metropolitan Airport the day before your Montreal to SFO flight:

About San Francisco International Airport (SFO)

Book a hotel near SFO if you have a late flight from Montreal to San Francisco International Airport. Pick one of these accommodation options and skip the long transfer:
Lock in the best possible rate by booking your vehicle around one week ahead of your Montreal to San Francisco International Airport flight.

Getting from San Francisco International Airport (SFO) to central San Francisco

San Francisco International Airport is around 21 kilometres from central San Francisco. It takes around 25 minutes or so to get to the city by car.
It takes around 35 minutes if you're travelling by public transport.

How to find the cheapest flights from Montreal to San Francisco International Airport (SFO)

Right now, Rs54,261 is the best price we've found for a one-way ticket from Montreal to San Francisco International Airport. The cheapest price for a return flight is Rs88,845. Remember fares may change due to demand at the time of booking.
To snag cheap flights from Montreal to SFO, book your ticket four months ahead of your planned departure.
The best month for scoring cheap Montreal to San Francisco International Airport tickets is September. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.
Finding a cheap plane ticket from Montreal to SFO is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.
Filters make it easier to snap up a deal on your flight from Montreal to San Francisco International Airport. Choose the departure times, carriers and stops that check all your boxes. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Montreal to San Francisco International Airport (SFO)

Think about the kind of experience you want when deciding the best time to fly. December is the quietest month to go to San Francisco. July is when most people book flights from Montreal to San Francisco International Airport (SFO), which may be perfect if you're chasing more action.
Before locking in your Montreal to SFO plane ticket, consider the weather you're most comfortable in. September is the warmest month in San Francisco, with temperatures ranging from 12ºC to 24ºC.
January sees temperatures of between 5ºC and 16ºC. Look for cheap tickets from Montreal to San Francisco International Airport around that time if you'd rather travel in cooler conditions.

More about San Francisco

Once you've booked your flight from Montreal to San Francisco International Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring San Francisco:
There are plenty of things to do in San Francisco when you're ready to go sightseeing. Kick off your exploring at Golden Gate Bridge followed by Painted Ladies - Alamo Square and Alcatraz Island.

Explore more of the United States

San Francisco has plenty to offer, but there are so many other parts of the United States waiting to be explored. About 257 kilometres east of San Francisco, a trip to Fresno will keep your itinerary packed. Don't miss top attractions like Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.
If you're eager to discover another major destination in the United States, consider Sacramento, roughly 129 kilometres northeast of San Francisco. California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum are highlights.