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Cheap flights from Montreal to San Diego from $196

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 12/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:54 pm - 7:00 pmYUL-SAN
9h 06m1 stop
Delta Logo
9:40 pm - 11:47 amSAN-YUL
11h 07m1 stop
$379Delta
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Wed, Jan 14 - Tue, Apr 28
Delta Logo
12:30 pm - 8:37 pmYUL-SAN
11h 07m1 stop
Delta Logo
10:05 pm - 11:59 amSAN-YUL
10h 54m1 stop
$380Delta
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Tue, Feb 24 - Wed, Feb 25
Delta Logo
4:45 pm - 8:55 amYUL-SAN
19h 10m2 stops
Delta Logo
12:24 pm - 11:59 pmSAN-YUL
8h 35m1 stop
$386Delta
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Fri, Dec 5 - Sat, Dec 13
American Airlines Logo
12:59 pm - 10:58 pmYUL-SAN
12h 59m1 stop
American Airlines Logo
10:45 pm - 1:45 pmSAN-YUL
12h 00m1 stop
$388American Airlines
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Thu, Jan 8 - Sun, Feb 8
American Airlines Logo
3:52 pm - 10:26 pmYUL-SAN
9h 34m1 stop
American Airlines Logo
7:55 pm - 11:15 amSAN-YUL
12h 20m2 stops
$390American Airlines
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Wed, Jan 14 - Tue, Apr 28
American Airlines Logo
7:30 am - 9:44 pmYUL-SAN
17h 14m1 stop
American Airlines Logo
7:30 pm - 12:24 pmSAN-YUL
13h 54m2 stops
$391American Airlines
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Thu, Dec 11 - Sun, Jan 11
American Airlines Logo
2:25 pm - 8:36 pmYUL-SAN
9h 11m1 stop
American Airlines Logo
7:30 pm - 12:24 pmSAN-YUL
13h 54m2 stops
$393American Airlines
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Thu, Jan 8 - Sun, Feb 8
United Airlines Logo
2:13 pm - 10:37 pmYUL-SAN
11h 24m2 stops
United Airlines Logo
7:44 pm - 10:11 amSAN-YUL
11h 27m2 stops
$395United Airlines
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Wed, Jan 14 - Sat, May 2
Air Canada Logo
6:00 am - 11:53 amYUL-SAN
8h 53m1 stop
Air Canada Logo
8:10 am - 4:39 pmSAN-YUL
5h 29mnonstop
$396Air Canada
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Wed, Jan 14 - Sat, May 2
Multiple Airlines Logo
6:30 pm - 9:14 amYUL-SAN
17h 44m2 stops
Multiple Airlines Logo
8:10 am - 4:39 pmSAN-YUL
5h 29mnonstop
$397Multiple Airlines
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Sun, Apr 26 - Mon, May 4

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
Jan 8
YUL12:59 pmMontreal Pierre Elliott Trudeau Intl
12h 59m
1 stop
SAN10:58 pmSan Diego
Feb 8
SAN10:45 pmSan Diego
12h 00m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
$388
Find similar
American Airlines
Feb 4
YUL3:52 pmMontreal Pierre Elliott Trudeau Intl
9h 34m
1 stop
SAN10:26 pmSan Diego
Feb 9
SAN9:24 amSan Diego
10h 35m
1 stop
YUL10:59 pmMontreal Pierre Elliott Trudeau Intl
$389
Find similar
American Airlines
Jan 14
YUL3:52 pmMontreal Pierre Elliott Trudeau Intl
9h 34m
1 stop
SAN10:26 pmSan Diego
Apr 28
SAN7:55 pmSan Diego
12h 20m
2 stops
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$390
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United Airlines flights from Montreal to San Diego

Our best United Airlines deals on Montreal to San Diego flight tickets
United Airlines
Jan 14
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
11h 13m
2 stops
SAN5:28 pmSan Diego
May 2
SAN7:44 pmSan Diego
11h 27m
2 stops
YUL10:11 amMontreal Pierre Elliott Trudeau Intl
$395
Find similar
United Airlines
Jan 13
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
9h 25m
1 stop
SAN3:40 pmSan Diego
Apr 29
SAN7:44 pmSan Diego
11h 27m
2 stops
YUL10:11 amMontreal Pierre Elliott Trudeau Intl
$401
Find similar
United Airlines
Jan 13
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
9h 25m
1 stop
SAN3:40 pmSan Diego
Apr 29
SAN4:08 pmSan Diego
15h 49m
2 stops
YUL10:57 amMontreal Pierre Elliott Trudeau Intl
$408
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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 November 12, 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

Wed 1/14

12:54 pm-7:00 pm

1 stop9h 06m

San Diego

Tue 4/28

9:40 pm-11:47 am

1 stop11h 07m

$379

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

12:30 pm-8:37 pm

1 stop11h 07m

San Diego

Wed 2/25

10:05 pm-11:59 am

1 stop10h 54m

$380

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

4:45 pm-8:55 am

2 stops19h 10m

San Diego

Sat 12/13

12:24 pm-11:59 pm

1 stop8h 35m

$386

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 1/8

12:59 pm-10:58 pm

1 stop12h 59m

San Diego

Sun 2/8

10:45 pm-1:45 pm

1 stop12h 00m

$388

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

3:52 pm-10:26 pm

1 stop9h 34m

San Diego

Tue 4/28

7:55 pm-11:15 am

2 stops12h 20m

$390

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:30 am-9:44 pm

1 stop17h 14m

San Diego

Sun 1/11

7:30 pm-12:24 pm

2 stops13h 54m

$391

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 1/8

2:25 pm-8:36 pm

1 stop9h 11m

San Diego

Sun 2/8

7:30 pm-12:24 pm

2 stops13h 54m

$393

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:13 pm-10:37 pm

2 stops11h 24m

San Diego

Sat 5/2

7:44 pm-10:11 am

2 stops11h 27m

$395

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

6:00 am-11:53 am

1 stop8h 53m

San Diego

Sat 5/2

8:10 am-4:39 pm

Nonstop5h 29m

$396

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

6:30 pm-9:14 am

2 stops17h 44m

San Diego

Mon 5/4

8:10 am-4:39 pm

Nonstop5h 29m

$397

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 $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 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 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 $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 $372 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?

No. A direct flight is the cheapest option for a flight between Montreal to San Diego.

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

As of November 2025, prices for Montreal to San Diego flights are approximately 25% 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

Fastest flight time

5h 53m

Direct flights

Fri and Sat

Airports in San Diego

1 airport
The fastest flight from Montreal to San Diego takes 5h 53m
Direct flights go from Montreal to San Diego on Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport near San Diego: San Diego (SAN)
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  • How far is Montreal to San Diego by plane?

    San Diego is 2461.4 mi away from Montreal. 8h 38m 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 $233Free CancellationRating
7.1
10,443 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,008 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
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
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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