Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 307

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
7:12 a.m. - 1:36 p.m.YUL-SAN
9h 24m1 stop
American Airlines Logo
3:23 p.m. - 3:05 p.m.SAN-YUL
20h 42m1 stop
C$ 507American Airlines
Find Deal
Thu, 19 Feb - Thu, 26 Feb
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$ 521American Airlines
Find Deal
Thu, 19 Feb - Thu, 26 Feb
Delta Logo
7:00 a.m. - 5:41 p.m.YUL-SAN
13h 41m1 stop
Delta Logo
8:50 a.m. - 11:34 p.m.SAN-YUL
11h 44m1 stop
C$ 532Delta
Find Deal
Wed, 14 Jan - Tue, 28 Apr
Delta Logo
12:54 p.m. - 10:33 p.m.YUL-SAN
12h 39m1 stop
Delta Logo
8:50 a.m. - 11:34 p.m.SAN-YUL
11h 44m1 stop
C$ 533Delta
Find Deal
Wed, 14 Jan - Sat, 2 May
United Airlines Logo
6:00 a.m. - 2:58 p.m.YUL-SAN
11h 58m2 stops
United Airlines Logo
6:55 p.m. - 3:23 p.m.SAN-YUL
17h 28m2 stops
C$ 546United Airlines
Find Deal
Tue, 24 Mar - Tue, 24 Mar
United Airlines Logo
2:13 p.m. - 10:37 p.m.YUL-SAN
11h 24m2 stops
United Airlines Logo
7:44 p.m. - 10:11 a.m.SAN-YUL
11h 27m2 stops
C$ 553United Airlines
Find Deal
Wed, 14 Jan - Sat, 2 May
Air Canada Logo
6:00 a.m. - 11:53 a.m.YUL-SAN
8h 53m1 stop
Air Canada Logo
8:10 a.m. - 4:39 p.m.SAN-YUL
5h 29mdirect
C$ 556Air Canada
Find Deal
Wed, 14 Jan - Sat, 2 May
Air Canada Logo
6:00 a.m. - 11:53 a.m.YUL-SAN
8h 53m1 stop
Air Canada Logo
12:40 p.m. - 11:22 p.m.SAN-YUL
7h 42m1 stop
C$ 559Air Canada
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Multiple Airlines Logo
4:45 p.m. - 10:33 p.m.YUL-SAN
8h 48m1 stop
Multiple Airlines Logo
12:40 p.m. - 1:53 a.m.SAN-YUL
10h 13m1 stop
C$ 562Multiple Airlines
Find Deal
Mon, 12 Jan - Thu, 15 Jan
Multiple Airlines Logo
5:25 p.m. - 9:24 a.m.YUL-SAN
18h 59m1 stop
Multiple Airlines Logo
12:40 p.m. - 1:53 a.m.SAN-YUL
10h 13m1 stop
C$ 637Multiple Airlines
Find Deal
Mon, 16 Feb - Wed, 25 Feb

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

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight tickets
United Airlines
24 Mar
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 58m
2 stops
SAN2:58 p.m.San Diego
24 Mar
SAN6:55 p.m.San Diego
17h 28m
2 stops
YUL3:23 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 546
Find similar
United Airlines
14 Jan
YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl
11h 24m
2 stops
SAN10:37 p.m.San Diego
2 May
SAN7:44 p.m.San Diego
11h 27m
2 stops
YUL10:11 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 553
Find similar
United Airlines
2 Dec
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
20h 36m
2 stops
SAN10:21 a.m.San Diego
8 Dec
SAN5:23 p.m.San Diego
17h 37m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 554
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
14 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 a.m.San Diego
2 May
SAN8:10 a.m.San Diego
5h 29m
YUL4:39 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 556
Find similar
Air Canada
8 Dec
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 a.m.San Diego
11 Dec
SAN12:40 p.m.San Diego
7h 42m
1 stop
YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 559
Find similar
Air Canada
16 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 53m
1 stop
SAN11:53 a.m.San Diego
25 Feb
SAN12:40 p.m.San Diego
7h 42m
1 stop
YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 564
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 4 November 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

7:12 a.m.-1:36 p.m.

1 stop9h 24m

San Diego

Thu 26/2

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

1 stop20h 42m

C$ 507

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

Thu 26/2

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

1 stop20h 42m

C$ 521

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

7:00 a.m.-5:41 p.m.

1 stop13h 41m

San Diego

Tue 28/4

8:50 a.m.-11:34 p.m.

1 stop11h 44m

C$ 532

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

12:54 p.m.-10:33 p.m.

1 stop12h 39m

San Diego

Sat 2/5

8:50 a.m.-11:34 p.m.

1 stop11h 44m

C$ 533

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

6:00 a.m.-2:58 p.m.

2 stops11h 58m

San Diego

Tue 24/3

6:55 p.m.-3:23 p.m.

2 stops17h 28m

C$ 546

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

2:13 p.m.-10:37 p.m.

2 stops11h 24m

San Diego

Sat 2/5

7:44 p.m.-10:11 a.m.

2 stops11h 27m

C$ 553

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

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

1 stop8h 53m

San Diego

Sat 2/5

8:10 a.m.-4:39 p.m.

Nonstop5h 29m

C$ 556

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

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

1 stop8h 53m

San Diego

Thu 11/12

12:40 p.m.-11:22 p.m.

1 stop7h 42m

C$ 559

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

4:45 p.m.-10:33 p.m.

1 stop8h 48m

San Diego

Thu 15/1

12:40 p.m.-1:53 a.m.

1 stop10h 13m

C$ 562

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

5:25 p.m.-9:24 a.m.

1 stop18h 59m

San Diego

Wed 25/2

12:40 p.m.-1:53 a.m.

1 stop10h 13m

C$ 637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 413. 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$ 458.

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$ 465. 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$ 573.

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$ 530 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$ 814. 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$ 533 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$ 435 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 November 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to San Diego flights are approximately 28% 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

Direct flights

None
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to San Diego.
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 8h 31m 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$ 286Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom C$ 304Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 355Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 360Free CancellationRating
7.1
10,400 reviews
Search Air Canada flights
WestJetPriceFrom C$ 366Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 367Free CancellationRating
7.4
8,998 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
Coronado
Borrego Springs
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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States