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Cheap flights from Montreal to San Diego from $154

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 5/8. 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.
American Airlines Logo
7:12 am - 7:09 pm
YUL
-
SAN
14h 57m1 stop
American Airlines Logo
9:29 am - 10:56 pm
SAN
-
YUL
10h 27m1 stop
$355American Airlines
Fri, Feb 20 - Tue, Feb 24
Air Canada Logo
8:30 pm - 11:40 am
YUL
-
SAN
18h 10m1 stop
Air Canada Logo
12:30 pm - 11:22 pm
SAN
-
YUL
7h 52m1 stop
$357Air Canada
Mon, Jun 22 - Wed, Jul 8
Delta Logo
6:45 am - 1:20 pm
YUL
-
SAN
9h 35m1 stop
Delta Logo
9:40 pm - 11:44 am
SAN
-
YUL
11h 04m1 stop
$358Delta
Mon, Jun 22 - Sun, Jul 5
American Airlines Logo
7:12 am - 7:09 pm
YUL
-
SAN
14h 57m1 stop
American Airlines Logo
9:44 am - 10:56 pm
SAN
-
YUL
10h 12m2 stops
$359American Airlines
Fri, Feb 20 - Tue, Feb 24
WestJet Logo
6:45 am - 1:20 pm
YUL
-
SAN
33h 35m2 stops
WestJet Logo
2:05 pm - 12:40 am
SAN
-
YUL
31h 35m2 stops
$360WestJet
Mon, May 4 - Fri, May 8
Air Canada Logo
10:30 pm - 11:53 am
YUL
-
SAN
16h 23m1 stop
Air Canada Logo
12:40 pm - 6:39 am
SAN
-
YUL
14h 59m2 stops
$365Air Canada
Thu, Feb 26 - Tue, Mar 3
WestJet Logo
5:30 pm - 12:13 pm
YUL
-
SAN
21h 43m2 stops
WestJet Logo
11:15 am - 12:42 am
SAN
-
YUL
10h 27m1 stop
$366WestJet
Sat, Jun 20 - Sun, Jun 28
United Airlines Logo
9:15 am - 10:35 pm
YUL
-
SAN
16h 20m2 stops
United Airlines Logo
5:00 pm - 2:00 pm
SAN
-
YUL
18h 00m1 stop
$367United Airlines
Fri, Feb 20 - Tue, Feb 24
WestJet Logo
4:15 pm - 12:13 pm
YUL
-
SAN
46h 58m2 stops
WestJet Logo
2:05 pm - 12:40 am
SAN
-
YUL
31h 35m2 stops
$368WestJet
Fri, Apr 24 - Thu, Apr 30
United Airlines Logo
9:15 am - 3:40 pm
YUL
-
SAN
9h 25m1 stop
United Airlines Logo
6:30 am - 9:17 pm
SAN
-
YUL
11h 47m2 stops
$369United Airlines
Sun, Jan 18 - Sat, Jan 24

WestJet flights from Montreal to San Diego

Our best WestJet deals on Montreal to San Diego flight tickets
WestJet
May 4
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
33h 35m
2 stops
SAN1:20 pmSan Diego
May 8
SAN2:05 pmSan Diego
31h 35m
2 stops
YUL12:40 amMontreal Pierre Elliott Trudeau Intl
$360
Find similar
WestJet
May 18
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
33h 35m
2 stops
SAN1:20 pmSan Diego
May 25
SAN1:05 pmSan Diego
24h 22m
2 stops
YUL4:27 pmMontreal Pierre Elliott Trudeau Intl
$368
Find similar
WestJet
May 18
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
33h 35m
2 stops
SAN1:20 pmSan Diego
May 25
SAN2:05 pmSan Diego
23h 22m
1 stop
YUL4:27 pmMontreal Pierre Elliott Trudeau Intl
$374
Find similar

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets
Air Canada
Jan 14
YUL9:00 amMontreal Pierre Elliott Trudeau Intl
11h 24m
1 stop
SAN5:24 pmSan Diego
Apr 28
SAN1:10 pmSan Diego
9h 41m
1 stop
YUL1:51 amMontreal Pierre Elliott Trudeau Intl
$362
Find similar
Air Canada
Feb 26
YUL10:30 pmMontreal Pierre Elliott Trudeau Intl
16h 23m
1 stop
SAN11:53 amSan Diego
Mar 3
SAN12:40 pmSan Diego
14h 59m
2 stops
YUL6:39 amMontreal Pierre Elliott Trudeau Intl
$365
Find similar
Air Canada
Mar 17
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 amSan Diego
Mar 24
SAN12:40 pmSan Diego
10h 13m
1 stop
YUL1:53 amMontreal Pierre Elliott Trudeau Intl
$372
Find similar

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 January 7, 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

Fri 2/20

7:12 am-7:09 pm

1 stop14h 57m

San Diego

Tue 2/24

9:29 am-10:56 pm

1 stop10h 27m

$355

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/22

8:30 pm-11:40 am

1 stop18h 10m

San Diego

Wed 7/8

12:30 pm-11:22 pm

1 stop7h 52m

$357

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/22

6:45 am-1:20 pm

1 stop9h 35m

San Diego

Sun 7/5

9:40 pm-11:44 am

1 stop11h 04m

$358

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

7:12 am-7:09 pm

1 stop14h 57m

San Diego

Tue 2/24

9:44 am-10:56 pm

2 stops10h 12m

$359

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 5/4

6:45 am-1:20 pm

2 stops33h 35m

San Diego

Fri 5/8

2:05 pm-12:40 am

2 stops31h 35m

$360

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 2/26

10:30 pm-11:53 am

1 stop16h 23m

San Diego

Tue 3/3

12:40 pm-6:39 am

2 stops14h 59m

$365

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 6/20

5:30 pm-12:13 pm

2 stops21h 43m

San Diego

Sun 6/28

11:15 am-12:42 am

1 stop10h 27m

$366

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

9:15 am-10:35 pm

2 stops16h 20m

San Diego

Tue 2/24

5:00 pm-2:00 pm

1 stop18h 00m

$367

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 4/24

4:15 pm-12:13 pm

2 stops46h 58m

San Diego

Thu 4/30

2:05 pm-12:40 am

2 stops31h 35m

$368

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

9:15 am-3:40 pm

1 stop9h 25m

San Diego

Sat 1/24

6:30 am-9:17 pm

2 stops11h 47m

$369

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 $318.

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 Monday because tickets tend to average around $467. 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 $306. 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 $362 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 $310 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 15% 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 January 2026, prices for Montreal to San Diego flights are approximately 45% 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, 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, 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 $235Free CancellationRating
7.1
10,600 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,090 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,021 reviews
Search Delta 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
Borrego Springs
La Mesa
San Ysidro
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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