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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 244

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 Pierre Elliott Trudeau Intl Airport to San Diego departing on 14/1. 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 Pierre Elliott Trudeau Intl Airport to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:25 p.m. - 11:59 p.m.
YUL
-
SAN
12h 34m2 stops
American Airlines Logo
3:23 p.m. - 3:05 p.m.
SAN
-
YUL
20h 42m1 stop
C$ 527American Airlines
Thu, 19 Feb - Sun, 22 Feb
Delta Logo
7:00 a.m. - 4:31 p.m.
YUL
-
SAN
12h 31m1 stop
Delta Logo
10:10 p.m. - 11:59 a.m.
SAN
-
YUL
10h 49m1 stop
C$ 541Delta
Fri, 13 Mar - Tue, 17 Mar
Air Canada Logo
6:00 a.m. - 11:53 a.m.
YUL
-
SAN
8h 53m1 stop
Air Canada Logo
7:00 a.m. - 3:31 p.m.
SAN
-
YUL
5h 31mdirect
C$ 549Air Canada
Wed, 29 Apr - Sun, 3 May
American Airlines Logo
7:00 a.m. - 4:54 p.m.
YUL
-
SAN
12h 54m1 stop
American Airlines Logo
10:45 p.m. - 1:45 p.m.
SAN
-
YUL
12h 00m1 stop
C$ 553American Airlines
Wed, 4 Feb - Mon, 16 Feb
American Airlines Logo
7:30 a.m. - 7:12 p.m.
YUL
-
SAN
14h 42m2 stops
American Airlines Logo
10:45 p.m. - 1:45 p.m.
SAN
-
YUL
12h 00m1 stop
C$ 559American Airlines
Thu, 22 Jan - Sat, 24 Jan
American Airlines Logo
2:35 p.m. - 11:41 p.m.
YUL
-
SAN
12h 06m2 stops
American Airlines Logo
7:55 p.m. - 11:15 a.m.
SAN
-
YUL
12h 20m2 stops
C$ 560American Airlines
Wed, 22 Apr - Mon, 27 Apr
United Airlines Logo
2:13 p.m. - 8:47 p.m.
YUL
-
SAN
9h 34m1 stop
United Airlines Logo
6:55 p.m. - 3:16 p.m.
SAN
-
YUL
17h 21m2 stops
C$ 562United Airlines
Thu, 22 Jan - Sun, 25 Jan
United Airlines Logo
9:15 a.m. - 5:39 p.m.
YUL
-
SAN
11h 24m2 stops
United Airlines Logo
6:10 p.m. - 2:00 p.m.
SAN
-
YUL
16h 50m2 stops
C$ 563United Airlines
Tue, 24 Feb - Sun, 1 Mar
Air Canada Logo
6:00 a.m. - 11:40 a.m.
YUL
-
SAN
8h 40m1 stop
Air Canada Logo
7:00 a.m. - 3:33 p.m.
SAN
-
YUL
5h 33mdirect
C$ 564Air Canada
Fri, 19 Jun - Tue, 23 Jun
Multiple Airlines Logo
6:45 a.m. - 5:03 p.m.
YUL
-
SAN
13h 18m2 stops
Multiple Airlines Logo
12:35 p.m. - 7:05 a.m.
SAN
-
YUL
15h 30m1 stop
C$ 570Multiple Airlines
Thu, 22 Jan - Wed, 4 Feb

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight tickets
American Airlines
5 Feb
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
9h 11m
1 stop
SAN8:36 p.m.San Diego
9 Feb
SAN6:20 a.m.San Diego
13h 39m
2 stops
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 527
Find similar
American Airlines
5 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
14h 42m
2 stops
SAN7:12 p.m.San Diego
9 Feb
SAN6:20 a.m.San Diego
13h 39m
2 stops
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 534
Find similar
American Airlines
5 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
9h 36m
1 stop
SAN10:26 p.m.San Diego
9 Feb
SAN10:45 p.m.San Diego
12h 00m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 546
Find similar

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight tickets
Delta
3 May
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 04m
1 stop
SAN2:04 p.m.San Diego
13 May
SAN8:50 a.m.San Diego
11h 44m
1 stop
YUL11:34 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 541
Find similar
Delta
14 Feb
YUL12:52 p.m.Montreal Pierre Elliott Trudeau Intl
13h 10m
1 stop
SAN11:02 p.m.San Diego
28 Feb
SAN10:20 p.m.San Diego
10h 05m
1 stop
YUL11:25 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 552
Find similar
Delta
28 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
12h 31m
1 stop
SAN4:31 p.m.San Diego
5 Apr
SAN9:55 p.m.San Diego
10h 42m
1 stop
YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 573
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 22 December 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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 19/2

2:25 p.m.-11:59 p.m.

2 stops12h 34m

San Diego

Sun 22/2

3:23 p.m.-3:05 p.m.

1 stop20h 42m

C$ 527

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

7:00 a.m.-4:31 p.m.

1 stop12h 31m

San Diego

Tue 17/3

10:10 p.m.-11:59 a.m.

1 stop10h 49m

C$ 541

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

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

1 stop8h 53m

San Diego

Sun 3/5

7:00 a.m.-3:31 p.m.

Nonstop5h 31m

C$ 549

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

7:00 a.m.-4:54 p.m.

1 stop12h 54m

San Diego

Mon 16/2

10:45 p.m.-1:45 p.m.

1 stop12h 00m

C$ 553

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

7:30 a.m.-7:12 p.m.

2 stops14h 42m

San Diego

Sat 24/1

10:45 p.m.-1:45 p.m.

1 stop12h 00m

C$ 559

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

2:35 p.m.-11:41 p.m.

2 stops12h 06m

San Diego

Mon 27/4

7:55 p.m.-11:15 a.m.

2 stops12h 20m

C$ 560

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

2:13 p.m.-8:47 p.m.

1 stop9h 34m

San Diego

Sun 25/1

6:55 p.m.-3:16 p.m.

2 stops17h 21m

C$ 562

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

9:15 a.m.-5:39 p.m.

2 stops11h 24m

San Diego

Sun 1/3

6:10 p.m.-2:00 p.m.

2 stops16h 50m

C$ 563

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

6:00 a.m.-11:40 a.m.

1 stop8h 40m

San Diego

Tue 23/6

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

Nonstop5h 33m

C$ 564

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

6:45 a.m.-5:03 p.m.

2 stops13h 18m

San Diego

Wed 4/2

12:35 p.m.-7:05 a.m.

1 stop15h 30m

C$ 570

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 Pierre Elliott Trudeau Intl Airport 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?

In general, May is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 403. If you are unable to visit San Diego during the month of May, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around C$ 448.

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 Monday when prices can be found for as low as C$ 455. 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$ 550.

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

Flying to San Diego from Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 521 when looking at flights departing in the afternoon. Flights to San Diego are more costly in the morning, with an average ticket price of C$ 800. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to San Diego flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Diego for the best Montreal Pierre Elliott Trudeau Intl - 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 508 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 428 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to San Diego flights?

There is only 1 cabin class available to choose from on Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Diego flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to San Diego.

How have Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight prices changed over time?

As of December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Diego flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Diego (YUL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Best price found

C$ 542

Fastest flight time

5h 58m

Direct flights

Mon and Sat

Airports in San Diego

1 airport
The best flight deal from Montreal Pierre Elliott Trudeau Intl Airport to San Diego found on momondo in the last 72 hours is C$ 542
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego takes 5h 58m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to San Diego on Monday and Saturday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Montreal Pierre Elliott Trudeau Intl Airport there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to San Diego by plane?

    Montreal Pierre Elliott Trudeau Intl and San Diego are 3946.4 km apart from one another. Typically, this will take 5h 58m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 272Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
DeltaPriceFrom C$ 299Free CancellationRating
7.9
8,014 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 343Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 353Free CancellationRating
7.1
10,552 reviews
Search Air Canada flights
WestJetPriceFrom C$ 360Free CancellationRating
7.2
3,209 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 360Free CancellationRating
7.4
9,102 reviews
Search United Airlines 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
Coronado
Chula Vista

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Diego?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Diego . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to San Diego from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Montreal and alert you when they change.

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