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Cheap flights from Montreal to San Diego from $204

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 1/25. 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.
American Airlines Logo
12:59 pm - 10:50 pm
YUL
-
SAN
12h 51m2 stops
American Airlines Logo
6:20 am - 10:59 pm
SAN
-
YUL
13h 39m2 stops
$377American Airlines
Thu, Jan 29 - Fri, Feb 6
Air Canada Logo
7:30 am - 4:05 pm
YUL
-
SAN
11h 35m1 stop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$382Air Canada
Tue, May 26 - Sun, May 31
Delta Logo
3:00 pm - 11:19 pm
YUL
-
SAN
11h 19m1 stop
Delta Logo
8:50 am - 11:34 pm
SAN
-
YUL
11h 44m1 stop
$383Delta
Mon, Jun 1 - Mon, Jun 15
Delta Logo
2:40 pm - 8:51 pm
YUL
-
SAN
9h 11m1 stop
Delta Logo
8:50 am - 11:34 pm
SAN
-
YUL
11h 44m1 stop
$384Delta
Wed, Jan 14 - Tue, Apr 28
Delta Logo
7:00 am - 5:39 pm
YUL
-
SAN
13h 39m1 stop
Delta Logo
11:08 am - 11:50 pm
SAN
-
YUL
9h 42m1 stop
$385Delta
Wed, Jan 7 - Tue, Jan 13
American Airlines Logo
12:59 pm - 10:58 pm
YUL
-
SAN
12h 59m1 stop
American Airlines Logo
10:05 pm - 1:45 pm
SAN
-
YUL
12h 40m1 stop
$386American Airlines
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
2:13 pm - 11:42 pm
YUL
-
SAN
12h 29m2 stops
Multiple Airlines Logo
7:00 am - 9:17 pm
SAN
-
YUL
11h 17m1 stop
$387Multiple Airlines
Mon, Feb 2 - Tue, Feb 10
American Airlines Logo
2:25 pm - 8:36 pm
YUL
-
SAN
9h 11m1 stop
American Airlines Logo
10:45 pm - 1:45 pm
SAN
-
YUL
12h 00m1 stop
$392American Airlines
Thu, Jan 22 - Sun, Feb 1
American Airlines Logo
7:00 am - 8:36 pm
YUL
-
SAN
16h 36m1 stop
American Airlines Logo
10:45 pm - 1:45 pm
SAN
-
YUL
12h 00m1 stop
$393American Airlines
Wed, Jan 14 - Wed, Jan 21
Air Canada Logo
7:30 am - 4:13 pm
YUL
-
SAN
11h 43m1 stop
Air Canada Logo
8:10 am - 4:39 pm
SAN
-
YUL
5h 29mnonstop
$394Air Canada
Wed, May 20 - Sun, May 24

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
Jan 14
YUL2:25 pmMontreal Pierre Elliott Trudeau Intl
9h 11m
1 stop
SAN8:36 pmSan Diego
Apr 28
SAN7:55 pmSan Diego
12h 20m
2 stops
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$396
Find similar
American Airlines
Jan 14
YUL12:59 pmMontreal Pierre Elliott Trudeau Intl
12h 51m
2 stops
SAN10:50 pmSan Diego
Apr 28
SAN7:55 pmSan Diego
12h 20m
2 stops
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$397
Find similar
American Airlines
Jan 14
YUL12:59 pmMontreal Pierre Elliott Trudeau Intl
12h 51m
2 stops
SAN10:50 pmSan Diego
Apr 28
SAN7:55 pmSan Diego
12h 20m
2 stops
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
$401
Find similar

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets
Air Canada
May 26
YUL5:45 pmMontreal Pierre Elliott Trudeau Intl
5h 58m
SAN8:43 pmSan Diego
May 31
SAN7:00 amSan Diego
5h 31m
YUL3:31 pmMontreal Pierre Elliott Trudeau Intl
$377
Find similar
Air Canada
Feb 19
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 amSan Diego
Feb 24
SAN12:40 pmSan Diego
8h 52m
1 stop
YUL12:32 amMontreal Pierre Elliott Trudeau Intl
$380
Find similar
Air Canada
May 26
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
11h 35m
1 stop
SAN4:05 pmSan Diego
May 31
SAN7:00 amSan Diego
5h 31m
YUL3:31 pmMontreal Pierre Elliott Trudeau Intl
$382
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 11, 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

Thu 1/29

12:59 pm-10:50 pm

2 stops12h 51m

San Diego

Fri 2/6

6:20 am-10:59 pm

2 stops13h 39m

$377

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

7:30 am-4:05 pm

1 stop11h 35m

San Diego

Sun 5/31

7:00 am-3:31 pm

Nonstop5h 31m

$382

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

3:00 pm-11:19 pm

1 stop11h 19m

San Diego

Mon 6/15

8:50 am-11:34 pm

1 stop11h 44m

$383

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:40 pm-8:51 pm

1 stop9h 11m

San Diego

Tue 4/28

8:50 am-11:34 pm

1 stop11h 44m

$384

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

7:00 am-5:39 pm

1 stop13h 39m

San Diego

Tue 1/13

11:08 am-11:50 pm

1 stop9h 42m

$385

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 2/7

12:59 pm-10:58 pm

1 stop12h 59m

San Diego

Sat 2/14

10:05 pm-1:45 pm

1 stop12h 40m

$386

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

2:13 pm-11:42 pm

2 stops12h 29m

San Diego

Tue 2/10

7:00 am-9:17 pm

1 stop11h 17m

$387

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

2:25 pm-8:36 pm

1 stop9h 11m

San Diego

Sun 2/1

10:45 pm-1:45 pm

1 stop12h 00m

$392

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

7:00 am-8:36 pm

1 stop16h 36m

San Diego

Wed 1/21

10:45 pm-1:45 pm

1 stop12h 00m

$393

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 5/20

7:30 am-4:13 pm

1 stop11h 43m

San Diego

Sun 5/24

8:10 am-4:39 pm

Nonstop5h 29m

$394

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 Thursday because tickets tend to average around $453. 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 $366 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 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

5h 53m

Direct flights

Tue, Wed and Sun

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 Tuesday, Wednesday 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 53m 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
10,514 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,009 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
Poway
La Mesa
Borrego Springs
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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