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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 1/7. 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
12:58 pm - 6:50 pm
YUL
-
SAN
8h 52m1 stop
American Airlines Logo
3:23 pm - 3:05 pm
SAN
-
YUL
20h 42m1 stop
$314American Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
12:54 pm - 6:58 pm
YUL
-
SAN
9h 04m1 stop
Delta Logo
8:00 am - 11:58 pm
SAN
-
YUL
12h 58m1 stop
$329Delta
Wed, Jan 14 - Tue, Apr 28
Delta Logo
7:00 am - 5:39 pm
YUL
-
SAN
13h 39m1 stop
Delta Logo
10:30 pm - 1:32 pm
SAN
-
YUL
12h 02m1 stop
$330Delta
Mon, Jan 12 - Fri, Jan 16
Air Canada Logo
9:00 am - 5:24 pm
YUL
-
SAN
11h 24m1 stop
Air Canada Logo
12:40 pm - 11:22 pm
SAN
-
YUL
7h 42m1 stop
$333Air Canada
Wed, Feb 4 - Wed, Feb 18
American Airlines Logo
7:00 am - 6:31 pm
YUL
-
SAN
14h 31m2 stops
American Airlines Logo
10:45 pm - 1:45 pm
SAN
-
YUL
12h 00m1 stop
$338American Airlines
Sat, Jan 10 - Tue, Jan 13
Air Canada Logo
6:00 am - 11:53 am
YUL
-
SAN
8h 53m1 stop
Air Canada Logo
12:40 pm - 1:53 am
SAN
-
YUL
10h 13m1 stop
$339Air Canada
Thu, Feb 5 - Tue, Feb 24
Air Canada Logo
6:00 am - 11:53 am
YUL
-
SAN
8h 53m1 stop
Air Canada Logo
8:10 am - 4:39 pm
SAN
-
YUL
5h 29mnonstop
$342Air Canada
Wed, Jan 14 - Sat, May 2
American Airlines Logo
3:50 pm - 10:26 pm
YUL
-
SAN
9h 36m1 stop
American Airlines Logo
7:30 pm - 12:24 pm
SAN
-
YUL
13h 54m2 stops
$343American Airlines
Fri, Jan 23 - Sun, Feb 8
American Airlines Logo
12:58 pm - 6:50 pm
YUL
-
SAN
8h 52m1 stop
American Airlines Logo
3:23 pm - 3:09 pm
SAN
-
YUL
20h 46m1 stop
$351American Airlines
Sun, Feb 15 - Fri, Feb 20
Delta Logo
12:30 pm - 10:50 pm
YUL
-
SAN
13h 20m1 stop
Delta Logo
10:05 pm - 12:02 pm
SAN
-
YUL
10h 57m1 stop
$355Delta
Mon, Feb 16 - Mon, Feb 23

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
Feb 19
YUL12:58 pmMontreal Pierre Elliott Trudeau Intl
8h 52m
1 stop
SAN6:50 pmSan Diego
Feb 23
SAN3:23 pmSan Diego
20h 42m
1 stop
YUL3:05 pmMontreal Pierre Elliott Trudeau Intl
$314
Find similar
American Airlines
Jan 10
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
14h 31m
2 stops
SAN6:31 pmSan Diego
Jan 13
SAN10:45 pmSan Diego
12h 00m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
$338
Find similar
American Airlines
Jan 23
YUL3:50 pmMontreal Pierre Elliott Trudeau Intl
9h 36m
1 stop
SAN10:26 pmSan Diego
Feb 8
SAN7:30 pmSan Diego
13h 54m
2 stops
YUL12:24 pmMontreal Pierre Elliott Trudeau Intl
$343
Find similar

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets
Delta
Jan 14
YUL12:54 pmMontreal Pierre Elliott Trudeau Intl
9h 04m
1 stop
SAN6:58 pmSan Diego
Apr 28
SAN8:00 amSan Diego
12h 58m
1 stop
YUL11:58 pmMontreal Pierre Elliott Trudeau Intl
$329
Find similar
Delta
Jan 12
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
13h 39m
1 stop
SAN5:39 pmSan Diego
Jan 16
SAN10:30 pmSan Diego
12h 02m
1 stop
YUL1:32 pmMontreal Pierre Elliott Trudeau Intl
$330
Find similar
Delta
Feb 16
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
13h 20m
1 stop
SAN10:50 pmSan Diego
Feb 23
SAN10:05 pmSan Diego
10h 57m
1 stop
YUL12:02 pmMontreal Pierre Elliott Trudeau Intl
$355
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 4, 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 2/19

12:58 pm-6:50 pm

1 stop8h 52m

San Diego

Mon 2/23

3:23 pm-3:05 pm

1 stop20h 42m

$314

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

12:54 pm-6:58 pm

1 stop9h 04m

San Diego

Tue 4/28

8:00 am-11:58 pm

1 stop12h 58m

$329

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

7:00 am-5:39 pm

1 stop13h 39m

San Diego

Fri 1/16

10:30 pm-1:32 pm

1 stop12h 02m

$330

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

9:00 am-5:24 pm

1 stop11h 24m

San Diego

Wed 2/18

12:40 pm-11:22 pm

1 stop7h 42m

$333

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 1/10

7:00 am-6:31 pm

2 stops14h 31m

San Diego

Tue 1/13

10:45 pm-1:45 pm

1 stop12h 00m

$338

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

6:00 am-11:53 am

1 stop8h 53m

San Diego

Tue 2/24

12:40 pm-1:53 am

1 stop10h 13m

$339

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

$342

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 1/23

3:50 pm-10:26 pm

1 stop9h 36m

San Diego

Sun 2/8

7:30 pm-12:24 pm

2 stops13h 54m

$343

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

12:58 pm-6:50 pm

1 stop8h 52m

San Diego

Fri 2/20

3:23 pm-3:09 pm

1 stop20h 46m

$351

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

12:30 pm-10:50 pm

1 stop13h 20m

San Diego

Mon 2/23

10:05 pm-12:02 pm

1 stop10h 57m

$355

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 March, then departing from Montreal during the month May is also very affordable. Most momondo users find prices during this month for around $334.

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 $375 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 12% 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

Mon, Tue, Wed, Thu, Sat 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 Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near San Diego: 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
10,500 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,011 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
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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