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Cheap Flights from Montreal to San Diego International

Compare Montreal to San Diego International flight deals

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

Book the best San Diego International fare with no extra fees

Flight deals from Montreal to San Diego International Airport

Looking for a cheap last-minute deal or the best return flight from Montreal to San Diego International Airport? If you want to travel next month, return fares start from $526. Find the lowest prices on one-way and return tickets right here.
San Diego.$455 per passenger.Departing Fri, 14 Aug, returning Fri, 21 Aug.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Fri, 14 Aug, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Fri, 21 Aug, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $455, select.
San Diego.$455 per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Tue, 7 Jul, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Tue, 14 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $455, select.
San Diego.$455 per passenger.Departing Sat, 16 May, returning Sat, 23 May.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 16 May, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Sat, 23 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $455, select.
San Diego.$455 per passenger.Departing Sat, 30 May, returning Sat, 6 Jun.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sat, 30 May, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Sat, 6 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $455, select.
San Diego.$455 per passenger.Departing Sun, 7 Jun, returning Sun, 14 Jun.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Sun, 7 Jun, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Sun, 14 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $455, select.
San Diego.$456 per passenger.Departing Fri, 26 Jun, returning Fri, 10 Jul.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Fri, 26 Jun, arriving in San Diego International.Inbound direct flight with Air Canada departs from San Diego International on Fri, 10 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $456, select.
San Diego.$469 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 28 Oct, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Wed, 4 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $469, select.
San Diego.$469 per passenger.Departing Wed, 4 Nov, returning Wed, 11 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 4 Nov, arriving in San Diego International.Inbound indirect flight with Air Canada, departs from San Diego International on Wed, 11 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $469, select.
San Diego.$526 per passenger.Departing Fri, 6 Mar, returning Wed, 11 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Fri, 6 Mar, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Wed, 11 Mar, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $526, select.
San Diego.$526 per passenger.Departing Wed, 8 Apr, returning Wed, 15 Apr.Return flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Wed, 8 Apr, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Wed, 15 Apr, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $526, select.
San Diego.$526 per passenger.Departing Thu, 19 Feb, returning Fri, 27 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Montreal Pierre Elliott Trudeau on Thu, 19 Feb, arriving in San Diego International.Inbound indirect flight with Delta, departs from San Diego International on Fri, 27 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $526, select.
San Diego.$527 per passenger.Departing Tue, 31 Mar, returning Tue, 7 Apr.Return flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Tue, 31 Mar, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Tue, 7 Apr, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $527, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to San Diego International flights are currently cheapest in May.
Jan
Find prices
Feb
from $526
Mar
from $526
Apr
from $526
May
from $455
Jun
from $455
Jul
from $455
Aug
from $455
Sep
from $617
Oct
from $634
Nov
from $469
Dec
from $733

Direct flights from Montreal to San Diego International

Montreal to San Diego International: Alternative routes

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

San Diego International

4km from central San Diego
ClosestCheapest
from $455
Search flights

McClellan-Palomar

48km from central San Diego
Search flights

Montreal to San Diego: Flight information

The things to know before you go.
Cheapest flight found$455
Cheapest month to flyMay
Average flight time5 hrs, 56 mins
Most popular airlineAir Canada
Average flights per week15

Check out these San Diego International hotels

Ready to plan your stay? Other travellers rate these San Diego International hotels for cleanliness, service and location.
Carte Hotel San Diego Downtown, Curio Collection By Hilton
2.41 km from San Diego International
$398
Per night
Hotel Republic San Diego, Autograph Collection
2.55 km from San Diego International
$296
Per night
The Guild Hotel, San Diego Downtown, a Marriott Tribute Portfolio Hotel
2.61 km from San Diego International
$321
Per night
Carte Hotel San Diego Downtown, Curio Collection By Hilton
2.41 km from San Diego International
$398
Per night
Hotel Republic San Diego, Autograph Collection
2.55 km from San Diego International
$296
Per night
The Guild Hotel, San Diego Downtown, a Marriott Tribute Portfolio Hotel
2.61 km from San Diego International
$321
Per night
Explore top-rated hotels

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

The best price we found for a return flight from Montreal to San Diego International is $455. 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 56 minutes is the average flight time from Montreal to San Diego International.
Air Canada, United and Air Canada Rouge fly direct from Montreal to San Diego International.
As of January 2026, there are 45 flights per week flying from Montreal to San Diego International.
The cheapest month to fly from Montreal to San Diego International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to San Diego International Airport on Saturday, 16 May 2026.
Yes – the average flight time is 5 hours and 56 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 San Diego 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Diego International is Air Canada .

Travelling from Montreal to San Diego International Airport (SAN): What you need to know

  • Montreal's main base, Montreal-Pierre Elliott Trudeau International Airport (YUL), is where many unforgettable trips begin. Explore the departure options from here when planning your flight from Montreal to San Diego International Airport (SAN).

  • Around 5 hours 55 minutes is the typical travel time on a direct Montreal to San Diego International Airport flight.

  • San Diego is three hours behind Montreal. San Diego International Airport is located in San Diego, which follows the UTC-7 timezone.

  • The most popular route is from Montreal-Pierre Elliott Trudeau International Airport (YUL) to San Diego International Airport (SAN). There are 3 direct services every week. Air Canada operates a 4:45pm departure between YUL and SAN.

  • Your flight from Montreal to SAN won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • High season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Go straight to your destination from Montreal-Pierre Elliott Trudeau International Airport (YUL). Direct flights from Montreal to San Diego International Airport (SAN) can be booked from here.

  • Air Canada is a popular carrier that operates direct flights from Montreal to San Diego International Airport departing from YUL.

  • Air Canada is the most frequently chosen airline for flights from YUL to SAN.

  • YUL is around 26 kilometres from central Montreal. If you're driving, ride-sharing or catching a cab from the centre, it'll take 25 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 45 minutes.

  • Searching for a comfortable hotel near Montreal-Pierre Elliott Trudeau International Airport? If you've booked an early flight from Montreal to San Diego International Airport, these accommodation options will have you sleeping moments from your departure lounge:

  • Of the departures from Montreal-Pierre Elliott Trudeau International Airport, 64.89% arrive as scheduled at their destination.

  • YUL's address is 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

About San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • San Diego International Airport is about 3 kilometres from central San Diego. How long it'll take to get to the centre by car hire or cab depends on the time of day. Do some research before your trip.

  • Travelling on public transport takes around 20 minutes.

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

  • The lowest price we've found for a one-way ticket from Montreal to San Diego International Airport is $299. For a return flight on this route, the best price is $455. Depending on when you book and the availability, these fares could change.

  • Score cheap flights from Montreal to SAN by booking one month ahead. According to our research, that's the ideal time frame for bagging a bargain.

  • The best month for picking up cheap Montreal to San Diego International Airport tickets is June. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.

  • There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll let you know when a better deal is available on flight tickets from Montreal to SAN.

  • Save on your flight from Montreal to San Diego International Airport by using filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Montreal to San Diego International Airport (SAN)

  • It's time to figure out your travel dates for your flight from Montreal to San Diego International Airport (SAN). July is when most people visit San Diego. If you like things a bit more low-key, head there in May.

  • The warmest month in San Diego is August, with temperatures ranging between 17ºC and 28ºC. Lock in your Montreal to SAN flight ticket then if that's your idea of comfortable weather.

  • February has temperatures of between 7ºC and 23ºC. Search for cheap tickets from Montreal to San Diego International Airport around that time if you'd rather travel in cooler conditions.

More about San Diego

  • Start your San Diego trip off on the right foot by choosing the ideal place to stay. After booking your flight from Montreal to San Diego International Airport, browse our selection of accommodation options including:

  • Your San Diego visit should come with a side of sightseeing. Highlights worth exploring include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

Explore more of the United States

  • You've done San Diego, now it's time to discover other parts of the United States. Journey around 177 kilometres north-west to Los Angeles to tick off its leading attractions. From Hollywood Sign to Griffith Observatory and Hollywood Bowl, your itinerary will be busy.

  • If you're eager to discover another major destination in the United States, consider Long Beach, about 145 kilometres north-west of San Diego. SkyThrills! - Fly a Real Fighter Aircraft & Become A Fighter Pilot For A Day! Long Beach, CA, Queen Mary and The Queen Mary are key highlights.

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