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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 208

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 4/9. 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

Air Canada Logo
5:00 a.m. - 11:31 a.m.YUL-SAN
9h 31m1 stop
Air Canada Logo
12:25 p.m. - 12:40 a.m.SAN-YUL
9h 15m1 stop
C$ 372Air Canada
Find Deal
Thu, 11 Sep - Tue, 16 Sep
Air Canada Logo
6:00 a.m. - 11:31 a.m.YUL-SAN
8h 31m1 stop
Air Canada Logo
12:25 p.m. - 12:40 a.m.SAN-YUL
9h 15m1 stop
C$ 374Air Canada
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Air Canada Logo
4:45 p.m. - 7:35 p.m.YUL-SAN
5h 50mdirect
Air Canada Logo
12:25 p.m. - 12:40 a.m.SAN-YUL
9h 15m1 stop
C$ 390Air Canada
Find Deal
Thu, 11 Sep - Sat, 20 Sep
WestJet Logo
8:10 a.m. - 12:09 p.m.YUL-SAN
30h 59m1 stop
WestJet Logo
1:00 p.m. - 7:08 a.m.SAN-YUL
15h 08m1 stop
C$ 436WestJet
Find Deal
Thu, 28 Aug - Sun, 31 Aug
Delta Logo
2:48 p.m. - 9:15 p.m.YUL-SAN
9h 27m1 stop
Delta Logo
6:15 a.m. - 5:43 p.m.SAN-YUL
8h 28m1 stop
C$ 447Delta
Find Deal
Sat, 23 Aug - Sat, 30 Aug
United Airlines Logo
6:15 a.m. - 1:40 p.m.YUL-SAN
10h 25m2 stops
United Airlines Logo
9:45 p.m. - 3:00 p.m.SAN-YUL
14h 15m1 stop
C$ 448United Airlines
Find Deal
Sat, 23 Aug - Sat, 30 Aug
Delta Logo
2:48 p.m. - 9:15 p.m.YUL-SAN
9h 27m1 stop
Delta Logo
11:23 a.m. - 11:28 p.m.SAN-YUL
9h 05m1 stop
C$ 450Delta
Find Deal
Sat, 23 Aug - Sat, 30 Aug
American Airlines Logo
7:50 a.m. - 3:35 p.m.YUL-SAN
10h 45m2 stops
American Airlines Logo
7:00 a.m. - 10:32 p.m.SAN-YUL
12h 32m1 stop
C$ 489American Airlines
Find Deal
Sat, 30 Aug - Sat, 6 Sep
United Airlines Logo
6:00 a.m. - 6:50 p.m.YUL-SAN
15h 50m1 stop
United Airlines Logo
10:00 p.m. - 3:16 p.m.SAN-YUL
14h 16m1 stop
C$ 493United Airlines
Find Deal
Tue, 18 Nov - Tue, 18 Nov
American Airlines Logo
7:29 a.m. - 3:25 p.m.YUL-SAN
10h 56m2 stops
American Airlines Logo
6:20 a.m. - 10:32 p.m.SAN-YUL
13h 12m2 stops
C$ 497American Airlines
Find Deal
Sat, 30 Aug - Sat, 6 Sep

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
23 Aug
YUL2:48 p.m.Montreal Pierre Elliott Trudeau Intl
9h 27m
1 stop
SAN9:15 p.m.San Diego
30 Aug
SAN6:15 a.m.San Diego
8h 28m
1 stop
YUL5:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 447
Find similar
Delta
23 Aug
YUL2:48 p.m.Montreal Pierre Elliott Trudeau Intl
9h 27m
1 stop
SAN9:15 p.m.San Diego
30 Aug
SAN11:23 a.m.San Diego
9h 05m
1 stop
YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 450
Find similar
Delta
30 Aug
YUL12:55 p.m.Montreal Pierre Elliott Trudeau Intl
8h 06m
1 stop
SAN6:01 p.m.San Diego
6 Sep
SAN10:37 a.m.San Diego
10h 16m
1 stop
YUL11:53 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 475
Find similar

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight tickets
Air Canada
11 Sep
YUL5:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 31m
1 stop
SAN11:31 a.m.San Diego
16 Sep
SAN12:25 p.m.San Diego
9h 15m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 372
Find similar
Air Canada
23 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 31m
1 stop
SAN11:31 a.m.San Diego
30 Sep
SAN12:25 p.m.San Diego
9h 15m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 374
Find similar
Air Canada
11 Sep
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
5h 50m
SAN7:35 p.m.San Diego
20 Sep
SAN12:25 p.m.San Diego
9h 15m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 390
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 1 August 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 11/9

5:00 a.m.-11:31 a.m.

1 stop9h 31m

San Diego

Tue 16/9

12:25 p.m.-12:40 a.m.

1 stop9h 15m

C$ 372

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

6:00 a.m.-11:31 a.m.

1 stop8h 31m

San Diego

Tue 30/9

12:25 p.m.-12:40 a.m.

1 stop9h 15m

C$ 374

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 11/9

4:45 p.m.-7:35 p.m.

Nonstop5h 50m

San Diego

Sat 20/9

12:25 p.m.-12:40 a.m.

1 stop9h 15m

C$ 390

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 28/8

8:10 a.m.-12:09 p.m.

1 stop30h 59m

San Diego

Sun 31/8

1:00 p.m.-7:08 a.m.

1 stop15h 08m

C$ 436

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 23/8

2:48 p.m.-9:15 p.m.

1 stop9h 27m

San Diego

Sat 30/8

6:15 a.m.-5:43 p.m.

1 stop8h 28m

C$ 447

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 23/8

6:15 a.m.-1:40 p.m.

2 stops10h 25m

San Diego

Sat 30/8

9:45 p.m.-3:00 p.m.

1 stop14h 15m

C$ 448

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 23/8

2:48 p.m.-9:15 p.m.

1 stop9h 27m

San Diego

Sat 30/8

11:23 a.m.-11:28 p.m.

1 stop9h 05m

C$ 450

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 30/8

7:50 a.m.-3:35 p.m.

2 stops10h 45m

San Diego

Sat 6/9

7:00 a.m.-10:32 p.m.

1 stop12h 32m

C$ 488

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

6:00 a.m.-6:50 p.m.

1 stop15h 50m

San Diego

Tue 18/11

10:00 p.m.-3:16 p.m.

1 stop14h 16m

C$ 493

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 30/8

7:29 a.m.-3:25 p.m.

2 stops10h 56m

San Diego

Sat 6/9

6:20 a.m.-10:32 p.m.

2 stops13h 12m

C$ 497

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$ 404. 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 December is also very affordable. Most momondo users find prices during this month for around C$ 491.

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$ 471. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Monday is C$ 616.

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$ 515 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$ 803. 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$ 550 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$ 459 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Diego flights are approximately 16% 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$ 208

Fastest flight time

5h 50m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 208. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to San Diego found on momondo in the last 72 hours is C$ 372.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego takes 5h 50m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to San Diego every day.
There is 1 airport near San Diego: 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 50m 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom C$ 326Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 350Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 357Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
WestJetPriceFrom C$ 361Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 363Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

  • United Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to San Diego

    United Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to San Diego around 6 times per week, with 8,900 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in the last 72 hours was C$ 262 (round-trip), much lower than the average airfare cost of C$ 378 for United Airlines flights on this route.

  • Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to San Diego

    C$ 258 is the best Air Canada flight deal from Montreal Pierre Elliott Trudeau Intl Airport to San Diego found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to C$ 446, however, with flight time and availability significantly affecting the price. Air Canada (7.1/10 from 9,851 user reviews) flies into San Diego from Montreal Pierre Elliott Trudeau Intl Airport 6 times in an average week so prices can vary.

Travelling 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

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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