Cheap flights from San Diego International to Montreal

Compare San Diego International to Montreal flight deals

Find the cheapest month or even day of the year to fly to Montreal

Book the best Montreal fare with no extra fees

Flight deals from San Diego International to Montreal

Looking for a cheap last-minute deal or the best round-trip flight from San Diego International to Montreal? Find the lowest prices on one-way and round-trip tickets right here.

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

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

Direct flights from San Diego International to Montreal

Alternative San Diego International to Montreal routes

Looking for the cheapest, fastest or easiest route from San Diego International to Montreal? You could fly into the following airports instead.

San Diego to Montreal: Flight information

The things to know before you go.
Cheapest flight foundC$456
Cheapest month to flyAugust
Average flight time5 hrs, 30 mins
Most popular airlineAir Canada
Average flights per week14

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

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a round-trip flight from San Diego International to Montreal is C$456. 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.
5 hours and 30 minutes is the average flight time from San Diego International to Montreal.
Air Canada and United fly direct from San Diego International to Montreal.
There are 14 flights per week flying from San Diego International to Montreal, as of June 2025.
The cheapest month to fly from San Diego International to Montreal is usually August.
If you're flying from San Diego International Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the center of Montreal. We've found flights to this airport from C$456.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Montreal on Thursday, August 21, 2025.
Yes – the average flight time is 5 hours and 30 minutes.
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 Montreal 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.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 18°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
Currently, WestJet and Air Canada offer the cheapest flight tickets to Montreal.

Flying from San Diego International Airport (SAN) to Montreal: what you need to know

  • Approximately 5 hours 55 minutes is how long you can expect to be in the air on a direct flight from San Diego International Airport to Montreal.

  • San Diego International Airport is located in San Diego. Following the UTC-4 timezone, Montreal is three hours ahead of San Diego.

  • San Diego International Airport (SAN) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the most traveled route, with three departures a week to pick from. If you have things to do before leaving, the last flight from SAN to YUL is with Air Canada at 08:10. Go for the first departure operated by Air Canada at 08:10 if you want to fly out earlier.

  • To avoid rushing for your SAN to Montreal flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • If you're flying during a public holiday or another peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Start your trip at SAN and travel straight to Montreal-Pierre Elliott Trudeau International Airport (YUL). That's where you can expect to land when searching for San Diego International Airport to Montreal tickets.

  • Look out for promotions from Air Canada. This airline has direct flights from San Diego International Airport to Montreal.

  • Consider adding a stopover to potentially save on your flight ticket from SAN to Montreal. All you need to do is deselect 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular airports:

    • Denver International Airport (DEN)

    • Los Angeles International Airport (LAX)

    • Pearson International Airport (YYZ)

  • SAN is about 3 kilometres from central San Diego. If you're driving, ride-sharing or catching a cab from the centre, it'll take 10 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 20 minutes.

  • Have an early flight from San Diego International Airport to Montreal? Avoid the last-minute rush to the airport (and get some extra shut-eye) by choosing one of these stays close to SAN:

  • 71.38% of flights leaving from San Diego International Airport reach their destination on schedule.

  • You'll find SAN at N Harbour Dr.

How to find the cheapest flights from San Diego International Airport (SAN) to Montreal

  • C$215 is currently the best price for a one-way San Diego International Airport to Montreal flight. Return flight tickets start from C$456. These fares may change depending on availability.

  • Lock in cheap flights from SAN to Montreal by booking two months ahead. According to our research, that's the best time for landing a bargain.

  • Organize your trip for June. That's the best month for landing an epic deal on San Diego International Airport to Montreal tickets. If your travel dates are flexible, use the 'Whole month' tool to find the cheapest price across each month.

  • Spend less time searching for cheap flights from SAN to Montreal by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Select your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from San Diego International Airport to Montreal by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) is around 26 kilometres from central Montreal. If you're catching a cab or a ride-share, the drive takes about 25 minutes.

  • When travelling on public transport, expect a journey time of about 45 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from San Diego International Airport to Montreal. Check in to one of these accommodation options near YUL instead:

  • Go where the road takes you with a Montreal-Pierre Elliott Trudeau International Airport rental car. Pick up a set of wheels from Avis, Alamo or Routes Car Rentals and find adventure across Montreal and beyond.

  • Lock in the best possible rate by reserving your vehicle from Montreal-Pierre Elliott Trudeau International Airport about four weeks in advance of your flight from SAN to Montreal.

  • The street address for YUL is 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • St. Hubert Airport (YHU) is roughly 40 kilometres from central Montreal. Once you've disembarked your flight from San Diego International Airport to Montreal, it'll take you around 35 minutes to get to the heart of the city in a ride-share or cab.

  • The journey will take about 1 hour 45 minutes on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel close to YHU. Here are a few options where you can put your feet up after your SAN to Montreal flight:

  • Why wait around for a cab? A St. Hubert Airport rental car lets you get moving right away. Roll down your windows and hit the open road with a set of wheels from Enterprise or Budget.

  • Avoid filling out paperwork at the rental desk by having everything prearranged. Reserve your ride from YHU a few weeks in advance so you can simply get the keys and go.

Best time to go to Montreal

  • Carefully consider your trip dates before locking in your flight from San Diego International Airport to Montreal. The city comes alive in high season, but prices are generally higher and major attractions can get crowded. Visit Montreal in the low season if you like a quieter vibe.

  • Book a San Diego International Airport to Montreal flight ticket with a departure in July if you want to visit the city during its warmest month. Expect temperatures to range from 14ºC (57ºF) to 28ºC (82ºF).

  • If you want cooler conditions, look for a cheap ticket from SAN to Montreal in January when temperatures average between -19ºC (-2ºF) and -2ºC (28ºF).

More about Montreal

  • Start your Montreal trip right by choosing the ideal place to stay. Once you've booked your flight from San Diego International Airport to Montreal, browse our range of accommodation options including:

  • Every great adventure has to include some sightseeing. Montreal Botanical Garden, Mount Royal Park and Saint Joseph's Oratory of Mount Royal are must-visits when exploring Montreal.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be explored once you've seen the sights of Montreal. Around 499 kilometres away to the south-west, its top attractions include CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • If you're ready to explore another major stop in Canada, head for Ottawa, roughly 153 kilometres west of Montreal. Parliament Hill, Rideau Canal and National Gallery of Canada are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.