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Cheap flights from Montreal to San Diego from $188

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 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Montreal to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:15 am - 2:10 pm
YUL
-
SAN
9h 55m
1 stop
WestJet Logo
3:30 pm - 11:45 pm
SAN
-
YUL
29h 15m
1 stop
$331WestJet
Sat, May 9 - Sat, May 16
American Airlines Logo
12:30 pm - 11:33 pm
YUL
-
SAN
14h 03m
1 stop
American Airlines Logo
3:12 pm - 11:44 am
SAN
-
YUL
17h 32m
1 stop
$355American Airlines
Wed, Apr 22 - Mon, Apr 27
American Airlines Logo
12:30 pm - 11:33 pm
YUL
-
SAN
14h 03m
1 stop
American Airlines Logo
3:12 pm - 11:44 am
SAN
-
YUL
17h 32m
1 stop
$356American Airlines
Wed, Apr 22 - Mon, Apr 27
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$360Air Canada
Thu, May 21 - Tue, May 26
WestJet Logo
5:30 pm - 2:10 pm
YUL
-
SAN
23h 40m
1 stop
WestJet Logo
3:30 pm - 6:25 pm
SAN
-
YUL
23h 55m
2 stops
$371WestJet
Sat, May 9 - Sat, May 16
Air Canada Logo
7:05 am - 12:18 pm
YUL
-
SAN
8h 13m
1 stop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$374Air Canada
Thu, May 21 - Tue, May 26
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$375Air Canada
Sat, May 30 - Tue, Jun 2
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$376Air Canada
Sat, May 9 - Sat, May 16
Air Canada Logo
7:05 am - 12:18 pm
YUL
-
SAN
8h 13m
1 stop
Air Canada Logo
8:15 am - 8:48 pm
SAN
-
YUL
9h 33m
1 stop
$383Air Canada
Sat, May 30 - Tue, Jun 2
Air Canada Logo
5:00 am - 12:18 pm
YUL
-
SAN
10h 18m
1 stop
Air Canada Logo
1:15 pm - 1:51 am
SAN
-
YUL
9h 36m
1 stop
$388Air Canada
Thu, May 21 - Tue, May 26

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
Apr 22
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
14h 03m
1 stop
SAN11:33 pmSan Diego
Apr 27
SAN3:12 pmSan Diego
17h 32m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$355
American Airlines
Apr 22
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
14h 03m
1 stop
SAN11:33 pmSan Diego
Apr 27
SAN3:12 pmSan Diego
17h 32m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$356
American Airlines
Mar 7
YUL2:25 pmMontreal Pierre Elliott Trudeau Intl
9h 42m
1 stop
SAN9:07 pmSan Diego
Mar 14
SAN10:35 pmSan Diego
13h 30m
1 stop
YUL3:05 pmMontreal Pierre Elliott Trudeau Intl
$398

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets
Air Canada
May 21
YUL5:45 pmMontreal Pierre Elliott Trudeau Intl
5h 58m
SAN8:43 pmSan Diego
May 26
SAN7:00 amSan Diego
5h 31m
YUL3:31 pmMontreal Pierre Elliott Trudeau Intl
$360
Air Canada
May 21
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
8h 13m
1 stop
SAN12:18 pmSan Diego
May 26
SAN7:00 amSan Diego
5h 31m
YUL3:31 pmMontreal Pierre Elliott Trudeau Intl
$374
Air Canada
May 30
YUL5:45 pmMontreal Pierre Elliott Trudeau Intl
5h 58m
SAN8:43 pmSan Diego
Jun 2
SAN7:00 amSan Diego
5h 31m
YUL3:31 pmMontreal Pierre Elliott Trudeau Intl
$375

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Montreal to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

7:15 am-2:10 pm

1 stop9h 55m

San Diego

Sat 5/16

3:30 pm-11:45 pm

1 stop29h 15m

$331

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 4/22

12:30 pm-11:33 pm

1 stop14h 03m

San Diego

Mon 4/27

3:12 pm-11:44 am

1 stop17h 32m

$355

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 4/22

12:30 pm-11:33 pm

1 stop14h 03m

San Diego

Mon 4/27

3:12 pm-11:44 am

1 stop17h 32m

$356

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 5/21

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 5/26

7:00 am-3:31 pm

Nonstop5h 31m

$360

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

5:30 pm-2:10 pm

1 stop23h 40m

San Diego

Sat 5/16

3:30 pm-6:25 pm

2 stops23h 55m

$371

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 5/21

7:05 am-12:18 pm

1 stop8h 13m

San Diego

Tue 5/26

7:00 am-3:31 pm

Nonstop5h 31m

$374

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 6/2

7:00 am-3:31 pm

Nonstop5h 31m

$375

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Sat 5/16

7:00 am-3:31 pm

Nonstop5h 31m

$376

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

7:05 am-12:18 pm

1 stop8h 13m

San Diego

Tue 6/2

8:15 am-8:48 pm

1 stop9h 33m

$383

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 5/21

5:00 am-12:18 pm

1 stop10h 18m

San Diego

Tue 5/26

1:15 pm-1:51 am

1 stop9h 36m

$388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Montreal and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Montreal during the month June is also very affordable. Most momondo users find prices during this month for around $330.

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 Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $256. If your travel schedule is flexible, try to avoid departing on a Thursday 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 $308. Flights in the evening are often more expensive with an average ticket price of $550.

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 $363 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 $291 on momondo.

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

There are 2 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 4% 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 February 2026, prices for Montreal to San Diego flights are approximately 6% more expensive 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

Fastest flight time

5h 54m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in San Diego

1 airport
The fastest flight from Montreal to San Diego takes 5h 54m
Direct flights go from Montreal to San Diego on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Montreal there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Montreal to San Diego by plane?

    San Diego is 2461.4 mi away from Montreal. 5h 54m 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 $203Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
DeltaPriceFrom $245Free CancellationRating
7.9
8,146 reviews
Search Delta flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights

Traveling to a place near San Diego?

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