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Cheap flights from Montreal to San Diego from $164

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.
Air Canada Logo
6:00 am - 11:53 am
YUL
-
SAN
8h 53m1 stop
Air Canada Logo
1:10 pm - 12:31 am
SAN
-
YUL
8h 21m1 stop
$374Air Canada
Sat, Apr 4 - Sat, Apr 11
United Airlines Logo
2:13 pm - 8:47 pm
YUL
-
SAN
9h 34m1 stop
United Airlines Logo
4:21 pm - 2:42 pm
SAN
-
YUL
19h 21m2 stops
$376United Airlines
Tue, Jan 13 - Wed, Apr 29
American Airlines Logo
7:30 am - 10:58 pm
YUL
-
SAN
18h 28m1 stop
American Airlines Logo
3:23 pm - 3:10 pm
SAN
-
YUL
20h 47m1 stop
$377American Airlines
Mon, Feb 9 - Mon, Feb 16
United Airlines Logo
3:00 pm - 11:42 pm
YUL
-
SAN
11h 42m2 stops
United Airlines Logo
6:20 am - 10:06 pm
SAN
-
YUL
12h 46m2 stops
$386United Airlines
Tue, Jan 13 - Wed, Apr 29
WestJet Logo
8:00 am - 1:20 pm
YUL
-
SAN
32h 20m2 stops
WestJet Logo
2:05 pm - 12:40 am
SAN
-
YUL
31h 35m2 stops
$392WestJet
Fri, Jun 19 - Tue, Jun 23
Delta Logo
12:42 pm - 11:09 pm
YUL
-
SAN
13h 27m1 stop
Delta Logo
10:10 pm - 11:59 am
SAN
-
YUL
10h 49m1 stop
$398Delta
Sun, Mar 22 - Sat, Mar 28
United Airlines Logo
5:25 pm - 5:29 pm
YUL
-
SAN
27h 04m2 stops
United Airlines Logo
4:12 pm - 11:40 am
SAN
-
YUL
16h 28m2 stops
$401United Airlines
Mon, Mar 2 - Mon, Mar 9
Air Canada Logo
6:00 am - 11:53 am
YUL
-
SAN
8h 53m1 stop
Air Canada Logo
10:40 pm - 10:40 am
SAN
-
YUL
9h 00m1 stop
$402Air Canada
Sun, Apr 5 - Sun, Apr 12
Air Canada Logo
7:05 am - 12:18 pm
YUL
-
SAN
8h 13m1 stop
Air Canada Logo
1:15 pm - 12:36 am
SAN
-
YUL
8h 21m1 stop
$409Air Canada
Mon, Jun 1 - Sat, Jun 6
American Airlines Logo
7:30 am - 6:50 pm
YUL
-
SAN
14h 20m1 stop
American Airlines Logo
9:49 pm - 3:22 pm
SAN
-
YUL
14h 33m1 stop
$412American Airlines
Mon, Mar 2 - Mon, Mar 9

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets
Delta
Mar 22
YUL12:42 pmMontreal Pierre Elliott Trudeau Intl
13h 27m
1 stop
SAN11:09 pmSan Diego
Mar 28
SAN10:10 pmSan Diego
10h 49m
1 stop
YUL11:59 amMontreal Pierre Elliott Trudeau Intl
$398
Find similar
Delta
Mar 28
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
12h 31m
1 stop
SAN4:31 pmSan Diego
Apr 5
SAN6:15 amSan Diego
8h 16m
1 stop
YUL5:31 pmMontreal Pierre Elliott Trudeau Intl
$437
Find similar
Delta
Dec 28
YUL2:40 pmMontreal Pierre Elliott Trudeau Intl
12h 15m
1 stop
SAN11:55 pmSan Diego
Jan 4
SAN10:20 pmSan Diego
10h 44m
1 stop
YUL12:04 pmMontreal Pierre Elliott Trudeau Intl
$798
Find similar

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
Feb 9
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
18h 28m
1 stop
SAN10:58 pmSan Diego
Feb 16
SAN3:23 pmSan Diego
20h 47m
1 stop
YUL3:10 pmMontreal Pierre Elliott Trudeau Intl
$377
Find similar
American Airlines
Mar 2
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
14h 20m
1 stop
SAN6:50 pmSan Diego
Mar 9
SAN9:49 pmSan Diego
14h 33m
1 stop
YUL3:22 pmMontreal Pierre Elliott Trudeau Intl
$412
Find similar
American Airlines
Mar 27
YUL4:00 pmMontreal Pierre Elliott Trudeau Intl
9h 23m
1 stop
SAN10:23 pmSan Diego
Apr 7
SAN7:55 pmSan Diego
12h 20m
2 stops
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$442
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 December 28, 2025.
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 4/4

6:00 am-11:53 am

1 stop8h 53m

San Diego

Sat 4/11

1:10 pm-12:31 am

1 stop8h 21m

$374

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

2:13 pm-8:47 pm

1 stop9h 34m

San Diego

Wed 4/29

4:21 pm-2:42 pm

2 stops19h 21m

$376

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

7:30 am-10:58 pm

1 stop18h 28m

San Diego

Mon 2/16

3:23 pm-3:10 pm

1 stop20h 47m

$377

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

3:00 pm-11:42 pm

2 stops11h 42m

San Diego

Wed 4/29

6:20 am-10:06 pm

2 stops12h 46m

$386

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

8:00 am-1:20 pm

2 stops32h 20m

San Diego

Tue 6/23

2:05 pm-12:40 am

2 stops31h 35m

$392

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

12:42 pm-11:09 pm

1 stop13h 27m

San Diego

Sat 3/28

10:10 pm-11:59 am

1 stop10h 49m

$398

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

5:25 pm-5:29 pm

2 stops27h 04m

San Diego

Mon 3/9

4:12 pm-11:40 am

2 stops16h 28m

$401

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

6:00 am-11:53 am

1 stop8h 53m

San Diego

Sun 4/12

10:40 pm-10:40 am

1 stop9h 00m

$402

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

7:05 am-12:18 pm

1 stop8h 13m

San Diego

Sat 6/6

1:15 pm-12:36 am

1 stop8h 21m

$409

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

7:30 am-6:50 pm

1 stop14h 20m

San Diego

Mon 3/9

9:49 pm-3:22 pm

1 stop14h 33m

$412

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 March is also very affordable. Most momondo users find prices during this month for around $328.

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 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 $368 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 December 2025, prices for Montreal to San Diego flights are approximately 11% 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

11h 04m

Direct flights

Sat

Airports in San Diego

1 airport
The fastest flight from Montreal to San Diego takes 11h 04m
Direct flights go from Montreal to San Diego on Saturday. 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. 11h 04m 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
10,562 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,016 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
Borrego Springs
Imperial Beach
La Mesa
San Ysidro
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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