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

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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 Airport to Montreal? If you want to travel next month, round-trip fares start from $420. Find the lowest prices on one-way and round-trip tickets right here.

Montreal.$348 per passenger.Departing Sat, Oct 3, returning Tue, Oct 6.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from San Diego International on Sat, Oct 3, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Tue, Oct 6, arriving in San Diego International.Price includes taxes and charges.From $348, select.

Montreal.$348 per passenger.Departing Fri, Sep 25, returning Tue, Sep 29.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from San Diego International on Fri, Sep 25, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Tue, Sep 29, arriving in San Diego International.Price includes taxes and charges.From $348, select.

Montreal.$369 per passenger.Departing Sat, Oct 3, returning Tue, Oct 6.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Sat, Oct 3, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Tue, Oct 6, arriving in San Diego International.Price includes taxes and charges.From $369, select.

Montreal.$369 per passenger.Departing Sat, Sep 19, returning Sun, Oct 4.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Sat, Sep 19, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Sun, Oct 4, arriving in San Diego International.Price includes taxes and charges.From $369, select.

Montreal.$399 per passenger.Departing Sun, Aug 23, returning Mon, Aug 31.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from San Diego International on Sun, Aug 23, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Mon, Aug 31, arriving in San Diego International.Price includes taxes and charges.From $399, select.

Montreal.$403 per passenger.Departing Thu, Jul 16, returning Thu, Jul 23.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from San Diego International on Thu, Jul 16, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Thu, Jul 23, arriving in San Diego International.Price includes taxes and charges.From $403, select.

Montreal.$410 per passenger.Departing Wed, May 27, returning Tue, Sep 15.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Wed, May 27, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Tue, Sep 15, arriving in San Diego International.Price includes taxes and charges.From $410, select.

Montreal.$419 per passenger.Departing Mon, Aug 3, returning Tue, Sep 8.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Mon, Aug 3, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Tue, Sep 8, arriving in San Diego International.Price includes taxes and charges.From $419, select.

Montreal.$420 per passenger.Departing Tue, Jun 2, returning Tue, Jun 9.Round-trip flight with Frontier Airlines and Porter Airlines.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Tue, Jun 2, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines, departing from Montreal Pierre Elliott Trudeau on Tue, Jun 9, arriving in San Diego International.Price includes taxes and charges.From $420, select.

Montreal.$421 per passenger.Departing Tue, May 12, returning Sat, May 23.Round-trip flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departing from San Diego International on Tue, May 12, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Sat, May 23, arriving in San Diego International.Price includes taxes and charges.From $421, select.

Montreal.$426 per passenger.Departing Fri, May 29, returning Sat, Jun 6.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from San Diego International on Fri, May 29, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departing from Montreal Pierre Elliott Trudeau on Sat, Jun 6, arriving in San Diego International.Price includes taxes and charges.From $426, select.

Montreal.$426 per passenger.Departing Wed, May 27, returning Tue, Sep 15.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Wed, May 27, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Tue, Sep 15, arriving in San Diego International.Price includes taxes and charges.From $426, select.

Montreal.$454 per passenger.Departing Tue, May 12, returning Sun, May 17.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Tue, May 12, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Sun, May 17, arriving in San Diego International.Price includes taxes and charges.From $454, select.

Montreal.$457 per passenger.Departing Tue, Jun 2, returning Tue, Jun 9.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Tue, Jun 2, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Tue, Jun 9, arriving in San Diego International.Price includes taxes and charges.From $457, select.

Montreal.$458 per passenger.Departing Tue, May 26, returning Mon, Jun 1.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Tue, May 26, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Mon, Jun 1, arriving in San Diego International.Price includes taxes and charges.From $458, select.

Montreal.$459 per passenger.Departing Fri, Sep 4, returning Fri, Sep 11.Round-trip flight with Air Canada.Outbound direct flight with Air Canada departing from San Diego International on Fri, Sep 4, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departing from Montreal Pierre Elliott Trudeau on Fri, Sep 11, arriving in San Diego International.Price includes taxes and charges.From $459, select.

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 September.

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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 found	$348
Cheapest month to fly	September
Average flight time	5 hrs, 31 mins
Most popular airline	Air Canada
Average flights per week	13

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

How many airports are there in Montreal?

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.

How much are round-trip flights from San Diego International to Montreal?

The best price we found for a round-trip flight from San Diego International to Montreal is $348. 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 San Diego International to Montreal?

5 hours and 31 minutes is the average flight time from San Diego International to Montreal.

Which airlines fly direct from San Diego International to Montreal?

Air Canada and United fly direct from San Diego International to Montreal.

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

There are 13 flights per week flying from San Diego International to Montreal, as of May 2026.

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

The cheapest month to fly from San Diego International to Montreal is usually September.

What's the cheapest airport to fly to in Montreal?

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 $348.

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

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 Friday, September 25, 2026.

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

Yes – the average flight time is 5 hours and 31 minutes.

How can I get the best flight deal from San Diego International Airport to Montreal?

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.

When is the best time to book flights to Montreal?

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.

What’s the weather like in Montreal?

In May, the average temperature is usually around 12°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.

Which is the cheapest airline to fly with from San Diego International Airport to Montreal?

Currently, WestJet and Air Canada offer the cheapest flight tickets to Montreal.

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

Hop on a direct flight from San Diego International Airport to Montreal and you'll be traveling for around 5 hours 55 minutes.
San Diego International Airport is located in San Diego. Based in the UTC-5 timezone, Montreal is three hours ahead of San Diego.
San Diego International Airport (SAN) to Montreal-Trudeau International Airport (YUL) is the most traveled route, with three weekly departures to pick from. If you prefer starting your day later, the last flight from SAN to YUL is with Air Canada at 08:10. Choose the first departure with Air Canada at 08:10 if you want to get on your way earlier.
To avoid missing your SAN to Montreal flight, leave enough time to navigate the airport and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.
Flying during a peak month like July? Major public holidays and other popular seasons can mean longer queues at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.
You can book a direct San Diego International Airport to Montreal ticket. Start your journey at SAN and touch down at Montreal-Trudeau International Airport (YUL).
Air Canada is a popular airline that operates direct flights from San Diego International Airport to Montreal.
Consider adding a stopover to potentially save on your plane ticket from SAN to Montreal. Simply uncheck 'Direct flights only' during your search. Break up your trip (and maybe save some cash) by stopping at one of these popular options:
- Denver International Airport (DEN)
- Los Angeles International Airport (LAX)
- Toronto Pearson International Airport (YYZ)
Located around 3 kilometers from central San Diego, SAN can be reached in about 15 minutes by car (depending on traffic). The journey on public transport takes roughly 25 minutes.
Want an easy start to your vacation? Stay near SAN. Whether you're taking an early flight from San Diego International Airport to Montreal or just don't like being rushed, these hotels are a convenient choice:
74% of flights leaving from San Diego International Airport make it to their destination on time.
The address for SAN is N Harbor Dr.

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

$157 is the cheapest price we've seen for a one-way San Diego International Airport to Montreal flight. A round-trip ticket right now is $348. Depending on how early you book and the availability, these fares could change.
To score cheap flights from SAN to Montreal, book your journey one month ahead of your departure date.
The best month for finding cheap San Diego International Airport to Montreal tickets is June. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.
Stay on top of deals for cheap flights from SAN to Montreal by creating a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.
Tailor your trip with filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from San Diego International Airport to Montreal.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

Montreal-Trudeau International Airport (YUL) is around 19 kilometers from central Montreal. If you're catching a cab or a ride-share, the drive takes about 25 minutes.
If you're traveling on public transport, expect a journey time of about 45 minutes.
If you have a late flight from San Diego International Airport to Montreal, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and relaxing not long after at one of these hotels near YUL:
To lock in the lowest price, reserve your ride from Montreal-Trudeau International Airport about four weeks in advance of your flight from SAN to Montreal.
YUL is located at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

The center of Montreal is around 23 kilometers from Montreal Metropolitan Airport (YHU). After your flight from San Diego International Airport to Montreal has touched down and you've navigated your way to arrivals, expect a drive of about 25 minutes.
If you travel by public transport, you'll reach the center in 1 hour or so.
Hang the 'Do not disturb' sign on your door and rest at a hotel near YHU. Here are a few options where you can kick back after your SAN to Montreal flight:
Get the vehicle you prefer, not just what's available, by reserving your ride from YHU ahead of your arrival. You can also avoid last-minute price surges, especially when the airport is busy.

Best time to go to Montreal

January is the quietest month for flights from San Diego International Airport to Montreal, while July is the busiest. Choose the ideal time to go to Montreal based on whether you prefer a lively atmosphere or a more laid-back vibe.
Book a San Diego International Airport to Montreal plane ticket with a departure in July if you're eager to explore the city during its warmest month. You can expect temperatures to range from 14ºC (57ºF) to 28ºC (82ºF).
For 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

When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Montreal right here. Explore these hotels once you've booked your flight from San Diego International Airport to Montreal:
Montreal Botanical Garden and Cirque du Soleil - KURIOS are just two of the top-rated attractions to add to your Montreal itinerary. Keep the momentum going by heading to Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

Montreal is easy to fall in love with, but there are so many other parts of Canada just waiting to be discovered. About 499 kilometers southwest of Montreal, a visit to Toronto will keep you busy. Start with leading attractions like CN Tower, The Top CN Tower and Royal Ontario Museum.
Ottawa is another standout destination in Canada and is around 153 kilometers west of Montreal. No journey is complete without experiencing Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa.