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Cheap flights from Montreal to San Diego from $186

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 3/10. 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
12:30 pm - 11:16 pm
YUL
-
SAN
13h 46m
1 stop
American Airlines Logo
3:07 pm - 11:44 am
SAN
-
YUL
17h 37m
1 stop
$356American Airlines
Wed, Apr 22 - Mon, Apr 27
American Airlines Logo
3:45 pm - 9:43 pm
YUL
-
SAN
8h 58m
1 stop
American Airlines Logo
3:19 pm - 3:05 pm
SAN
-
YUL
20h 46m
1 stop
$394American Airlines
Fri, Mar 6 - Wed, Mar 11
American Airlines Logo
12:59 pm - 9:59 pm
YUL
-
SAN
12h 00m
1 stop
American Airlines Logo
10:35 pm - 3:05 pm
SAN
-
YUL
13h 30m
1 stop
$402American Airlines
Fri, Mar 6 - Wed, Mar 11
American Airlines Logo
2:25 pm - 8:56 pm
YUL
-
SAN
9h 31m
1 stop
American Airlines Logo
10:35 pm - 3:04 pm
SAN
-
YUL
13h 29m
1 stop
$404American Airlines
Wed, Feb 25 - Mon, Mar 2
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
8:25 am - 11:23 pm
SAN
-
YUL
11h 58m
2 stops
$405Air Canada
Mon, Jun 1 - Tue, Aug 11
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
7:00 am - 3:33 pm
SAN
-
YUL
5h 33mnonstop
$410Air Canada
Mon, Jun 1 - Tue, Aug 11
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
$411Air Canada
Tue, Jun 2 - Tue, Jun 9
Air Canada Logo
5:45 pm - 8:43 pm
YUL
-
SAN
5h 58mnonstop
Air Canada Logo
12:30 pm - 11:22 pm
SAN
-
YUL
7h 52m
1 stop
$415Air Canada
Mon, Jun 1 - Tue, Aug 11
Air Canada Logo
7:30 am - 4:05 pm
YUL
-
SAN
11h 35m
1 stop
Air Canada Logo
7:00 am - 3:31 pm
SAN
-
YUL
5h 31mnonstop
$416Air Canada
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
6:50 am - 8:00 pm
YUL
-
SAN
16h 10m
2 stops
Multiple Airlines Logo
12:49 pm - 4:30 pm
SAN
-
YUL
24h 41m
2 stops
$421Multiple Airlines
Mon, Mar 2 - Fri, Mar 6

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets
Delta
Mar 6
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
9h 17m
1 stop
SAN11:02 pmSan Diego
Apr 10
SAN9:55 pmSan Diego
10h 42m
1 stop
YUL11:37 amMontreal Pierre Elliott Trudeau Intl
$434
Delta
Mar 9
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
19h 48m
2 stops
SAN11:48 pmSan Diego
Apr 8
SAN10:30 pmSan Diego
10h 07m
1 stop
YUL11:37 amMontreal Pierre Elliott Trudeau Intl
$444
Delta
Mar 25
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
14h 35m
2 stops
SAN6:35 pmSan Diego
Apr 3
SAN10:30 pmSan Diego
10h 07m
1 stop
YUL11:37 amMontreal Pierre Elliott Trudeau Intl
$446

United Airlines flights from Montreal to San Diego

Our best United Airlines deals on Montreal to San Diego flight tickets
United Airlines
Mar 7
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
14h 26m
2 stops
SAN5:26 pmSan Diego
Apr 7
SAN10:30 pmSan Diego
9h 10m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$442
United Airlines
Feb 24
YUL10:25 amMontreal Pierre Elliott Trudeau Intl
15h 19m
2 stops
SAN10:44 pmSan Diego
Feb 28
SAN7:00 amSan Diego
21h 32m
2 stops
YUL7:32 amMontreal Pierre Elliott Trudeau Intl
$465
United Airlines
Jun 25
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
8h 46m
1 stop
SAN12:16 amSan Diego
Jul 5
SAN10:30 pmSan Diego
8h 41m
1 stop
YUL10:11 amMontreal Pierre Elliott Trudeau Intl
$466

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 27, 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

Wed 4/22

12:30 pm-11:16 pm

1 stop13h 46m

San Diego

Mon 4/27

3:07 pm-11:44 am

1 stop17h 37m

$356

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

3:45 pm-9:43 pm

1 stop8h 58m

San Diego

Wed 3/11

3:19 pm-3:05 pm

1 stop20h 46m

$394

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

12:59 pm-9:59 pm

1 stop12h 00m

San Diego

Wed 3/11

10:35 pm-3:05 pm

1 stop13h 30m

$402

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

2:25 pm-8:56 pm

1 stop9h 31m

San Diego

Mon 3/2

10:35 pm-3:04 pm

1 stop13h 29m

$404

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 8/11

8:25 am-11:23 pm

2 stops11h 58m

$405

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 8/11

7:00 am-3:33 pm

Nonstop5h 33m

$410

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 6/9

7:00 am-3:31 pm

Nonstop5h 31m

$411

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

5:45 pm-8:43 pm

Nonstop5h 58m

San Diego

Tue 8/11

12:30 pm-11:22 pm

1 stop7h 52m

$415

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

7:30 am-4:05 pm

1 stop11h 35m

San Diego

Tue 6/9

7:00 am-3:31 pm

Nonstop5h 31m

$416

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

6:50 am-8:00 pm

2 stops16h 10m

San Diego

Fri 3/6

12:49 pm-4:30 pm

2 stops24h 41m

$421

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 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 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 January 2026, prices for Montreal to San Diego flights are approximately 28% 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 58m

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 58m
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 58m 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
10,660 reviews
Search Air Canada flights
DeltaPriceFrom $245Free CancellationRating
7.9
8,119 reviews
Search Delta flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,197 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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