Cheap flights from Montreal to San Diego from C$ 324

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to San Diego

Cheap round-trip flights

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Air Canada Logo
7:30 a.m. - 4:25 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
11h 55m1 stop Vancouver Intl
Air Canada Logo
12:55 p.m. - 12:25 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
8h 30m1 stop Toronto Pearson Intl
C$ 576Air Canada
Fri, 20 Nov - Thu, 26 Nov
Air Canada Logo
7:30 a.m. - 3:55 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
11h 25m1 stop Vancouver Intl
Air Canada Logo
4:45 p.m. - 7:50 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
12h 05m1 stop Vancouver Intl
C$ 584Air Canada
Fri, 8 Jan - Tue, 19 Jan
Delta Logo
7:00 a.m. - 6:18 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
14h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:20 p.m. - 11:36 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
10h 16m1 stop Atlanta Hartsfield-Jackson
C$ 600Delta
Wed, 6 Jan - Thu, 21 Jan
Delta Logo
6:00 a.m. - 2:32 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
11h 32m1 stop Detroit Metropolitan Wayne County
Delta Logo
10:20 p.m. - 1:36 p.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
12h 16m1 stop Atlanta Hartsfield-Jackson
C$ 600Delta
Mon, 11 Jan - Sat, 16 Jan
United Airlines Logo
3:00 p.m. - 9:18 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
9h 18m1 stop Newark
United Airlines Logo
6:45 a.m. - 9:17 p.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
11h 32m2 stops Denver Intl Chicago O'Hare Intl
C$ 600United Airlines
Fri, 5 Feb - Tue, 9 Feb
United Airlines Logo
2:13 p.m. - 8:33 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
9h 20m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:30 p.m. - 3:16 p.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
17h 46m2 stops Denver Intl Washington, D.C. Dulles Intl
C$ 600United Airlines
Tue, 17 Nov - Sun, 22 Nov
Multiple Airlines Logo
9:15 a.m. - 5:15 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
11h 00m2 stops Washington, D.C. Dulles Intl Denver Intl
Multiple Airlines Logo
5:15 p.m. - 7:50 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
11h 35m1 stop Vancouver Intl
C$ 600Multiple Airlines
Wed, 18 Nov - Tue, 24 Nov
Multiple Airlines Logo
3:00 p.m. - 9:22 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
9h 22m1 stop Newark
Multiple Airlines Logo
5:15 p.m. - 7:50 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
11h 35m1 stop Vancouver Intl
C$ 600Multiple Airlines
Thu, 19 Nov - Tue, 24 Nov
American Airlines Logo
2:24 p.m. - 9:30 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
10h 06m1 stop Charlotte Douglas
American Airlines Logo
7:15 a.m. - 10:48 p.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
12h 33m2 stops Dallas/Fort Worth Philadelphia
C$ 618American Airlines
Thu, 3 Dec - Sat, 12 Dec
American Airlines Logo
2:24 p.m. - 11:56 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAN San Diego
12h 32m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
10:45 p.m. - 11:28 a.m.SAN  San Diego-YUL Montreal Pierre Elliott Trudeau Intl
9h 43m1 stop Chicago O'Hare Intl
C$ 619American Airlines
Thu, 3 Dec - Mon, 7 Dec

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Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets
Delta
14 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 10m
1 stop
SAN1:10 p.m.San Diego
27 Nov
SAN6:15 a.m.San Diego
10h 32m
1 stop
YUL7:47 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 612
Delta
1 Dec
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
12h 30m
1 stop
SAN4:30 p.m.San Diego
6 Dec
SAN8:00 a.m.San Diego
12h 48m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 629
Delta
13 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SAN1:08 p.m.San Diego
23 Nov
SAN8:00 a.m.San Diego
12h 48m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 643

WestJet flights from Montreal to San Diego

Our best WestJet deals on Montreal to San Diego flight tickets
WestJet
13 Dec
YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl
23h 25m
1 stop
SAN12:40 p.m.San Diego
9 Jan
SAN1:30 p.m.San Diego
22h 20m
1 stop
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 647
WestJet
5 Jan
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
32h 55m
2 stops
SAN12:40 p.m.San Diego
17 Jan
SAN1:30 p.m.San Diego
22h 20m
1 stop
YUL2:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 651
WestJet
1 Dec
YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl
23h 25m
1 stop
SAN12:40 p.m.San Diego
9 Dec
SAN1:30 p.m.San Diego
24h 20m
1 stop
YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 657

momondo Fare Finder

 
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

Cheapest round-trip
Quickest round-trip

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

7:30 a.m.-4:25 p.m.

1 stop11h 55m

San Diego

Thu 26/11

12:55 p.m.-12:25 a.m.

1 stop8h 30m

C$ 576

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

7:30 a.m.-3:55 p.m.

1 stop11h 25m

San Diego

Tue 19/1

4:45 p.m.-7:50 a.m.

1 stop12h 05m

C$ 584

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

7:00 a.m.-6:18 p.m.

1 stop14h 18m

San Diego

Thu 21/1

10:20 p.m.-11:36 a.m.

1 stop10h 16m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 11/1

6:00 a.m.-2:32 p.m.

1 stop11h 32m

San Diego

Sat 16/1

10:20 p.m.-1:36 p.m.

1 stop12h 16m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 5/2

3:00 p.m.-9:18 p.m.

1 stop9h 18m

San Diego

Tue 9/2

6:45 a.m.-9:17 p.m.

2 stops11h 32m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

2:13 p.m.-8:33 p.m.

1 stop9h 20m

San Diego

Sun 22/11

6:30 p.m.-3:16 p.m.

2 stops17h 46m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

9:15 a.m.-5:15 p.m.

2 stops11h 00m

San Diego

Tue 24/11

5:15 p.m.-7:50 a.m.

1 stop11h 35m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

3:00 p.m.-9:22 p.m.

1 stop9h 22m

San Diego

Tue 24/11

5:15 p.m.-7:50 a.m.

1 stop11h 35m

C$ 600

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

2:24 p.m.-9:30 p.m.

1 stop10h 06m

San Diego

Sat 12/12

7:15 a.m.-10:48 p.m.

2 stops12h 33m

C$ 618

MontrealSan Diego

YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

2:24 p.m.-11:56 p.m.

2 stops12h 32m

San Diego

Mon 7/12

10:45 p.m.-11:28 a.m.

1 stop9h 43m

C$ 619

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 587 to C$ 679.
The lowest price recently found on this route was C$ 576.

What is the cheapest month to fly to San Diego?

In general, September 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$ 590. If you are unable to visit San Diego during the month of September, then departing from Montreal during the month October is also very affordable. Most momondo users find prices during this month for around C$ 594.

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 Wednesday when prices can be found for as low as C$ 501. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is C$ 660.

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 from Montreal 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$ 670 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$ 453 on momondo.

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

There are 2 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 November 2026, prices for Montreal to San Diego flights are approximately 18% 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$ 324

Fastest flight time

8h 27m

Direct flights

None
The best one-way flight to San Diego from Montreal in the past 72 hours is C$ 324. The best round-trip flight deal from Montreal to San Diego found on momondo in the last 72 hours is C$ 576.
The fastest flight from Montreal to San Diego takes 8h 27m
There are no direct flights from Montreal to San Diego. There are no popular flight routes from Montreal to San Diego.

Frequently asked questions about flying from Montreal to San Diego

  • 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 8h 27m 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
Air CanadaPriceFrom C$ 245Free CancellationRating
7.1
11,847 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 259Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 350Free CancellationRating
7.0
12,228 reviews
Search American Airlines flights
DeltaPriceFrom C$ 379Free CancellationRating
7.8
8,699 reviews
Search Delta flights

Travelling to a place near San Diego?

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

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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