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Cheap flights from Montreal to San Diego from C$ 217

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 17/6. 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.
WestJet Logo
6:45 a.m. - 1:20 p.m.
YUL
-
SAN
9h 35m
1 stop
WestJet Logo
11:15 a.m. - 12:42 a.m.
SAN
-
YUL
10h 27m
1 stop
C$ 364WestJet
Thu, 25 Jun - Sun, 5 Jul
Air Canada Logo
5:45 p.m. - 8:39 p.m.
YUL
-
SAN
5h 54mdirect
Air Canada Logo
7:00 a.m. - 3:33 p.m.
SAN
-
YUL
5h 33mdirect
C$ 383Air Canada
Mon, 6 Jul - Sun, 12 Jul
American Airlines Logo
2:25 p.m. - 9:07 p.m.
YUL
-
SAN
9h 42m
1 stop
American Airlines Logo
9:41 p.m. - 3:22 p.m.
SAN
-
YUL
14h 41m
1 stop
C$ 391American Airlines
Thu, 19 Feb - Thu, 26 Feb
United Airlines Logo
6:10 a.m. - 2:57 p.m.
YUL
-
SAN
11h 47m
2 stops
United Airlines Logo
6:32 a.m. - 12:13 a.m.
SAN
-
YUL
14h 41m
2 stops
C$ 397United Airlines
Tue, 21 Apr - Wed, 22 Apr
American Airlines Logo
2:25 p.m. - 8:36 p.m.
YUL
-
SAN
9h 11m
1 stop
American Airlines Logo
11:30 a.m. - 12:24 p.m.
SAN
-
YUL
21h 54m
1 stop
C$ 398American Airlines
Sat, 31 Jan - Sat, 7 Feb
United Airlines Logo
3:00 p.m. - 12:29 a.m.
YUL
-
SAN
12h 29m
2 stops
United Airlines Logo
7:50 p.m. - 1:28 p.m.
SAN
-
YUL
14h 38m
2 stops
C$ 400United Airlines
Wed, 18 Feb - Tue, 3 Mar
Delta Logo
4:45 p.m. - 11:02 p.m.
YUL
-
SAN
9h 17m
1 stop
Delta Logo
11:16 a.m. - 11:45 p.m.
SAN
-
YUL
9h 29m
1 stop
C$ 404Delta
Thu, 19 Feb - Tue, 24 Feb
American Airlines Logo
7:30 a.m. - 6:04 p.m.
YUL
-
SAN
13h 34m
2 stops
American Airlines Logo
9:41 p.m. - 3:20 p.m.
SAN
-
YUL
14h 39m
1 stop
C$ 405American Airlines
Tue, 17 Mar - Tue, 24 Mar
American Airlines Logo
2:25 p.m. - 10:59 p.m.
YUL
-
SAN
11h 34m
1 stop
American Airlines Logo
9:41 p.m. - 12:24 p.m.
SAN
-
YUL
11h 43m
1 stop
C$ 409American Airlines
Thu, 19 Feb - Tue, 24 Feb
Air Canada Logo
6:00 a.m. - 11:53 a.m.
YUL
-
SAN
8h 53m
1 stop
Air Canada Logo
1:10 p.m. - 12:31 a.m.
SAN
-
YUL
8h 21m
1 stop
C$ 412Air Canada
Wed, 1 Apr - Thu, 9 Apr

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets
Air Canada
6 Jul
YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl
5h 54m
SAN8:39 p.m.San Diego
12 Jul
SAN7:00 a.m.San Diego
5h 33m
YUL3:33 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 383
Air Canada
1 Apr
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 a.m.San Diego
9 Apr
SAN1:10 p.m.San Diego
8h 21m
1 stop
YUL12:31 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 412
Air Canada
3 Apr
YUL10:30 p.m.Montreal Pierre Elliott Trudeau Intl
16h 23m
1 stop
SAN11:53 a.m.San Diego
10 Apr
SAN1:10 p.m.San Diego
8h 21m
1 stop
YUL12:31 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 426

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
14 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
17h 29m
1 stop
SAN9:59 p.m.San Diego
20 Feb
SAN9:56 p.m.San Diego
14h 26m
1 stop
YUL3:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 391
American Airlines
14 Feb
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
12h 31m
2 stops
SAN10:30 p.m.San Diego
21 Feb
SAN10:35 p.m.San Diego
13h 29m
1 stop
YUL3:04 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 405
American Airlines
14 Feb
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
9h 26m
1 stop
SAN1:38 p.m.San Diego
28 Feb
SAN9:41 p.m.San Diego
14h 41m
1 stop
YUL3:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 409

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 12 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

Thu 25/6

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

1 stop9h 35m

San Diego

Sun 5/7

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

1 stop10h 27m

C$ 364

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

5:45 p.m.-8:39 p.m.

Nonstop5h 54m

San Diego

Sun 12/7

7:00 a.m.-3:33 p.m.

Nonstop5h 33m

C$ 383

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

2:25 p.m.-9:07 p.m.

1 stop9h 42m

San Diego

Thu 26/2

9:41 p.m.-3:22 p.m.

1 stop14h 41m

C$ 391

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:10 a.m.-2:57 p.m.

2 stops11h 47m

San Diego

Wed 22/4

6:32 a.m.-12:13 a.m.

2 stops14h 41m

C$ 397

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

2:25 p.m.-8:36 p.m.

1 stop9h 11m

San Diego

Sat 7/2

11:30 a.m.-12:24 p.m.

1 stop21h 54m

C$ 398

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

3:00 p.m.-12:29 a.m.

2 stops12h 29m

San Diego

Tue 3/3

7:50 p.m.-1:28 p.m.

2 stops14h 38m

C$ 400

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

4:45 p.m.-11:02 p.m.

1 stop9h 17m

San Diego

Tue 24/2

11:16 a.m.-11:45 p.m.

1 stop9h 29m

C$ 404

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-6:04 p.m.

2 stops13h 34m

San Diego

Tue 24/3

9:41 p.m.-3:20 p.m.

1 stop14h 39m

C$ 405

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

2:25 p.m.-10:59 p.m.

1 stop11h 34m

San Diego

Tue 24/2

9:41 p.m.-12:24 p.m.

1 stop11h 43m

C$ 409

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:00 a.m.-11:53 a.m.

1 stop8h 53m

San Diego

Thu 9/4

1:10 p.m.-12:31 a.m.

1 stop8h 21m

C$ 412

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$ 423. 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$ 441.

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$ 453. 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$ 553.

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$ 503 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$ 430 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 27% 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$ 423

Fastest flight time

5h 54m

Direct flights

Tue, Wed, Fri and Sat

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$ 423
The fastest flight from Montreal to San Diego takes 5h 54m
Direct flights go from Montreal to San Diego on Tuesday, Wednesday, Friday and Saturday. 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$ 273Free CancellationRating
7.2
11,111 reviews
Search American Airlines flights
DeltaPriceFrom C$ 301Free CancellationRating
7.9
8,038 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 351Free CancellationRating
8.0
406 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 354Free CancellationRating
7.1
10,618 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 361Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
WestJetPriceFrom C$ 362Free CancellationRating
7.2
3,236 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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