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Cheap flights from Montreal to San Diego from $155

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 Diego departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

WestJet Logo
7:00 am - 1:20 pmYUL-SAN
9h 20m1 stop
WestJet Logo
11:15 am - 12:43 amSAN-YUL
10h 28m1 stop
$264WestJet
Find Deal
jue., ago. 14 - dom., ago. 17
Air Canada Logo
7:30 am - 3:51 pmYUL-SAN
11h 21m1 stop
Air Canada Logo
8:10 am - 4:40 pmSAN-YUL
5h 30mnonstop
$281Air Canada
Find Deal
jue., oct. 2 - lun., oct. 20
United Airlines Logo
6:30 pm - 12:15 amYUL-SAN
8h 45m1 stop
United Airlines Logo
10:30 pm - 3:00 pmSAN-YUL
13h 30m1 stop
$286United Airlines
Find Deal
jue., oct. 2 - mié., oct. 22
United Airlines Logo
9:45 am - 7:52 pmYUL-SAN
13h 07m2 stops
United Airlines Logo
7:20 pm - 8:16 amSAN-YUL
9h 56m1 stop
$287United Airlines
Find Deal
mié., oct. 8 - mié., oct. 15
American Airlines Logo
7:50 am - 6:37 pmYUL-SAN
13h 47m1 stop
American Airlines Logo
5:00 pm - 2:54 pmSAN-YUL
18h 54m1 stop
$295American Airlines
Find Deal
mar., oct. 14 - mar., oct. 28
American Airlines Logo
7:50 am - 6:32 pmYUL-SAN
13h 42m1 stop
American Airlines Logo
10:54 pm - 10:59 pmSAN-YUL
21h 05m1 stop
$320American Airlines
Find Deal
mar., ago. 12 - mar., ago. 26
Delta Logo
7:00 am - 4:17 pmYUL-SAN
12h 17m1 stop
Delta Logo
8:00 am - 11:53 pmSAN-YUL
12h 53m1 stop
$322Delta
Find Deal
sáb., ago. 9 - vie., ago. 29
Delta Logo
6:00 am - 1:53 pmYUL-SAN
10h 53m1 stop
Delta Logo
10:30 pm - 11:37 amSAN-YUL
10h 07m1 stop
$330Delta
Find Deal
vie., ago. 15 - lun., ago. 18
 Logo
7:00 am - 1:20 pmYUL-SAN
9h 20m1 stop
 Logo
4:44 pm - 4:00 pmSAN-YUL
20h 16m2 stops
mié., ago. 13 - lun., ago. 18
 Logo
8:10 am - 12:09 pmYUL-SAN
30h 59m1 stop
 Logo
4:44 pm - 4:00 pmSAN-YUL
20h 16m2 stops
jue., jul. 24 - lun., jul. 28

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets
Air Canada
Oct 2
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
11h 21m
1 stop
SAN3:51 pmSan Diego
Oct 20
SAN8:10 amSan Diego
5h 30m
YUL4:40 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Sep 24
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
8h 31m
1 stop
SAN11:31 amSan Diego
Nov 18
SAN12:10 pmSan Diego
8h 12m
1 stop
YUL11:22 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Aug 13
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
11h 43m
1 stop
SAN4:13 pmSan Diego
Aug 17
SAN8:10 amSan Diego
5h 29m
YUL4:39 pmMontreal Pierre Elliott Trudeau Intl

United Airlines flights from Montreal to San Diego

Our best United Airlines deals on Montreal to San Diego flight tickets
United Airlines
Oct 2
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
8h 45m
1 stop
SAN12:15 amSan Diego
Oct 22
SAN10:30 pmSan Diego
13h 30m
1 stop
YUL3:00 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
Oct 8
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
13h 07m
2 stops
SAN7:52 pmSan Diego
Oct 15
SAN7:20 pmSan Diego
9h 56m
1 stop
YUL8:16 amMontreal Pierre Elliott Trudeau Intl
United Airlines
Aug 20
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
5h 53m
SAN7:38 pmSan Diego
Aug 27
SAN10:54 amSan Diego
9h 32m
2 stops
YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

See travel insights to San Diego from

How to get the cheapest flight ticket from Montreal to San Diego

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 Diego?

If you are unable to visit San Diego during the month of March, then departing from Montreal during the month April is also very affordable. Most momondo users find prices during this month for around $329.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Montreal to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $224. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $481. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $270. Flights in the morning are often more expensive with an average ticket price of $551.

What is the cheapest Montreal to San Diego flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Diego for the best Montreal - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Montreal for as low as $332 on momondo.

What cabin class options are available on Montreal to San Diego flights?

There are 3 cabin classes available to choose from on Montreal to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal to San Diego flights?

You could potentially save up to 19% on your flight if you consider stops on a Montreal to San Diego flight.

How have Montreal to San Diego flight prices changed over time?

As of July 2025, prices for Montreal to San Diego flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to San Diego (YMQ to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to San Diego

Best Price Found

$155

Fastest flight time

5h 50m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Montreal in the past 72 hours is $155. The best round-trip flight deal from Montreal to San Diego found on momondo in the last 72 hours is $264.
The fastest flight from Montreal to San Diego takes 5h 50m
Direct flights go from Montreal to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is Montreal to San Diego by plane?

    San Diego is 2461.4 mi away from Montreal. 5h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Montreal to San Diego Airport?

    Prices for flights from Montreal to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Montreal to San Diego Airport?

  • How old do you have to be to fly from Montreal to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego 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 Diego 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 Diego?

  • What is the most popular airline from Montreal to San Diego?


Best airlines flying from Montreal to San Diego

Compare and see reviews for airlines that fly from Montreal to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $235Free CancellationRating
7.1
9,681 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
8.0
7,982 reviews
Search Delta flights
  • United Airlines Flights From Montreal to San Diego

    The lowest priced United Airlines flight from Montreal to San Diego from the last 72 hours was $263. Generally, United Airlines has 6 flights on this route every week with an average price of $407. United Airlines is rated 7.4/10 by our users.

  • Air Canada Flights From Montreal to San Diego

    Across 9,681 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Montreal to San Diego about 6 times each week, with ticket deals ranging from $235 to $428. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon
Chula Vista
Julian
National City
La Mesa
Imperial Beach
San Ysidro
Poway
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to San Diego for you.

Can I find flights from Montreal to San Diego with flexible booking policies on momondo?

Yes. All flights to San Diego from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montreal to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Montreal.

I’m not ready to book a flight from Montreal to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
mar. 7/8
mar. 7/15

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