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Cheap flights from Montreal to San Diego from C$ 223

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 25/3. 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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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
7:12 a.m. - 7:09 p.m.
YUL
-
SAN
14h 57m1 stop
American Airlines Logo
9:29 a.m. - 10:56 p.m.
SAN
-
YUL
10h 27m1 stop
C$ 489American Airlines
Fri, 20 Feb - Tue, 24 Feb
Air Canada Logo
8:30 p.m. - 11:40 a.m.
YUL
-
SAN
18h 10m1 stop
Air Canada Logo
12:30 p.m. - 11:22 p.m.
SAN
-
YUL
7h 52m1 stop
C$ 491Air Canada
Mon, 22 Jun - Wed, 8 Jul
Delta Logo
6:45 a.m. - 1:20 p.m.
YUL
-
SAN
9h 35m1 stop
Delta Logo
9:40 p.m. - 11:44 a.m.
SAN
-
YUL
11h 04m1 stop
C$ 493Delta
Mon, 22 Jun - Sun, 5 Jul
American Airlines Logo
7:12 a.m. - 7:09 p.m.
YUL
-
SAN
14h 57m1 stop
American Airlines Logo
9:44 a.m. - 10:56 p.m.
SAN
-
YUL
10h 12m2 stops
C$ 494American Airlines
Fri, 20 Feb - Tue, 24 Feb
WestJet Logo
6:45 a.m. - 1:20 p.m.
YUL
-
SAN
33h 35m2 stops
WestJet Logo
2:05 p.m. - 12:40 a.m.
SAN
-
YUL
31h 35m2 stops
C$ 496WestJet
Mon, 4 May - Fri, 8 May
Air Canada Logo
10:30 p.m. - 11:53 a.m.
YUL
-
SAN
16h 23m1 stop
Air Canada Logo
12:40 p.m. - 6:39 a.m.
SAN
-
YUL
14h 59m2 stops
C$ 502Air Canada
Thu, 26 Feb - Tue, 3 Mar
WestJet Logo
5:30 p.m. - 12:13 p.m.
YUL
-
SAN
21h 43m2 stops
WestJet Logo
11:15 a.m. - 12:42 a.m.
SAN
-
YUL
10h 27m1 stop
C$ 504WestJet
Sat, 20 Jun - Sun, 28 Jun
United Airlines Logo
9:15 a.m. - 10:35 p.m.
YUL
-
SAN
16h 20m2 stops
United Airlines Logo
5:00 p.m. - 2:00 p.m.
SAN
-
YUL
18h 00m1 stop
C$ 505United Airlines
Fri, 20 Feb - Tue, 24 Feb
WestJet Logo
4:15 p.m. - 12:13 p.m.
YUL
-
SAN
46h 58m2 stops
WestJet Logo
2:05 p.m. - 12:40 a.m.
SAN
-
YUL
31h 35m2 stops
C$ 507WestJet
Fri, 24 Apr - Thu, 30 Apr
United Airlines Logo
9:15 a.m. - 3:40 p.m.
YUL
-
SAN
9h 25m1 stop
United Airlines Logo
6:30 a.m. - 9:17 p.m.
SAN
-
YUL
11h 47m2 stops
C$ 508United Airlines
Sun, 18 Jan - Sat, 24 Jan

WestJet flights from Montreal to San Diego

Our best WestJet deals on Montreal to San Diego flight tickets
WestJet
4 May
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
33h 35m
2 stops
SAN1:20 p.m.San Diego
8 May
SAN2:05 p.m.San Diego
31h 35m
2 stops
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 496
Find similar
WestJet
20 Jun
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
21h 43m
2 stops
SAN12:13 p.m.San Diego
28 Jun
SAN11:15 a.m.San Diego
10h 27m
1 stop
YUL12:42 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 504
Find similar
WestJet
24 Apr
YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl
46h 58m
2 stops
SAN12:13 p.m.San Diego
30 Apr
SAN2:05 p.m.San Diego
31h 35m
2 stops
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 507
Find similar

United Airlines flights from Montreal to San Diego

Our best United Airlines deals on Montreal to San Diego flight tickets
United Airlines
20 Feb
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
2 stops
SAN10:35 p.m.San Diego
25 Feb
SAN6:55 p.m.San Diego
17h 21m
2 stops
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 505
Find similar
United Airlines
17 Jan
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
9h 28m
1 stop
SAN9:28 p.m.San Diego
27 Jan
SAN7:00 a.m.San Diego
11h 17m
1 stop
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 509
Find similar
United Airlines
14 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
13h 28m
2 stops
SAN5:28 p.m.San Diego
28 Apr
SAN10:40 p.m.San Diego
9h 00m
1 stop
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 520
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 96,600 searches. Data last updated 6 January 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

Fri 20/2

7:12 a.m.-7:09 p.m.

1 stop14h 57m

San Diego

Tue 24/2

9:29 a.m.-10:56 p.m.

1 stop10h 27m

C$ 489

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

8:30 p.m.-11:40 a.m.

1 stop18h 10m

San Diego

Wed 8/7

12:30 p.m.-11:22 p.m.

1 stop7h 52m

C$ 491

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

6:45 a.m.-1:20 p.m.

1 stop9h 35m

San Diego

Sun 5/7

9:40 p.m.-11:44 a.m.

1 stop11h 04m

C$ 493

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

7:12 a.m.-7:09 p.m.

1 stop14h 57m

San Diego

Tue 24/2

9:44 a.m.-10:56 p.m.

2 stops10h 12m

C$ 494

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:45 a.m.-1:20 p.m.

2 stops33h 35m

San Diego

Fri 8/5

2:05 p.m.-12:40 a.m.

2 stops31h 35m

C$ 496

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

10:30 p.m.-11:53 a.m.

1 stop16h 23m

San Diego

Tue 3/3

12:40 p.m.-6:39 a.m.

2 stops14h 59m

C$ 502

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

5:30 p.m.-12:13 p.m.

2 stops21h 43m

San Diego

Sun 28/6

11:15 a.m.-12:42 a.m.

1 stop10h 27m

C$ 504

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

9:15 a.m.-10:35 p.m.

2 stops16h 20m

San Diego

Tue 24/2

5:00 p.m.-2:00 p.m.

1 stop18h 00m

C$ 505

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

4:15 p.m.-12:13 p.m.

2 stops46h 58m

San Diego

Thu 30/4

2:05 p.m.-12:40 a.m.

2 stops31h 35m

C$ 507

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

9:15 a.m.-3:40 p.m.

1 stop9h 25m

San Diego

Sat 24/1

6:30 a.m.-9:17 p.m.

2 stops11h 47m

C$ 508

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?

In general, January is the cheapest month to fly from Montreal to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 420. 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 C$ 438.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart on your flight to San Diego is on a Tuesday when prices can be found for as low as C$ 449. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Friday is C$ 549.

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 C$ 498 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 C$ 427 on momondo.

What cabin class options are available on Montreal to San Diego flights?

There is only 1 cabin class 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 16% 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 45% 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

Best price found

C$ 419

Fastest flight time

5h 54m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in San Diego

1 airport
The best flight deal from Montreal to San Diego found on momondo in the last 72 hours is C$ 419
The fastest flight from Montreal to San Diego takes 5h 54m
Direct flights go from Montreal to San Diego on Monday, 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?

    A flight from Montreal to San Diego will travel around 3961.3 km. Typically, this will take 5h 54m by plane in normal conditions.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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
American AirlinesPriceFrom C$ 271Free CancellationRating
7.2
11,083 reviews
Search American Airlines flights
DeltaPriceFrom C$ 298Free CancellationRating
7.9
8,017 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 343Free CancellationRating
8.0
405 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 350Free CancellationRating
7.1
10,598 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 358Free CancellationRating
7.4
9,134 reviews
Search United Airlines flights
WestJetPriceFrom C$ 359Free CancellationRating
7.2
3,235 reviews
Search WestJet flights

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Borrego Springs
Chula Vista
Coronado

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?

All flight searches from Montreal to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to San Diego.

I’m not ready to book a flight from Montreal to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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