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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from $149

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 10/8. 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
6:00 am - 11:38 amYUL-SAN
8h 38m1 stop
Air Canada Logo
12:25 pm - 12:32 amSAN-YUL
9h 07m1 stop
$302Air Canada
Find Deal
Sat, Dec 6 - Sun, Dec 14
American Airlines Logo
7:29 am - 6:06 pmYUL-SAN
13h 37m1 stop
American Airlines Logo
10:23 pm - 1:46 pmSAN-YUL
12h 23m1 stop
$303American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
3:00 pm - 11:44 pmYUL-SAN
11h 44m2 stops
United Airlines Logo
5:50 pm - 1:28 pmSAN-YUL
16h 38m2 stops
$305United Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 7
United Airlines Logo
6:15 am - 3:50 pmYUL-SAN
12h 35m1 stop
United Airlines Logo
7:28 pm - 8:16 amSAN-YUL
9h 48m1 stop
$314United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 11
American Airlines Logo
7:29 am - 6:06 pmYUL-SAN
13h 37m1 stop
American Airlines Logo
6:16 am - 4:39 pmSAN-YUL
7h 23m1 stop
$317American Airlines
Find Deal
Tue, Oct 7 - Sun, Oct 12
Delta Logo
12:47 pm - 7:27 pmYUL-SAN
9h 40m1 stop
Delta Logo
6:15 am - 5:50 pmSAN-YUL
8h 35m1 stop
$320Delta
Find Deal
Tue, Sep 23 - Wed, Oct 1
United Airlines Logo
6:15 am - 11:40 amYUL-SAN
8h 25m1 stop
United Airlines Logo
10:30 pm - 10:40 amSAN-YUL
9h 10m1 stop
$325United Airlines
Find Deal
Tue, Oct 7 - Fri, Oct 10
United Airlines Logo
4:45 pm - 11:44 pmYUL-SAN
9h 59m2 stops
United Airlines Logo
10:30 pm - 1:46 pmSAN-YUL
12h 16m1 stop
$326United Airlines
Find Deal
Wed, Feb 25 - Fri, Feb 27
Delta Logo
6:00 am - 2:32 pmYUL-SAN
11h 32m1 stop
Delta Logo
10:20 pm - 12:02 pmSAN-YUL
10h 42m1 stop
$335Delta
Find Deal
Thu, Oct 30 - Mon, Nov 3
Logo
6:15 am - 11:40 amYUL-SAN
8h 25m1 stop
Logo
8:10 am - 4:35 pmSAN-YUL
5h 25mnonstop
$369
Find Deal
Wed, Oct 22 - Sun, Oct 26

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
Sep 23
YUL12:47 pmMontreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
SAN7:27 pmSan Diego
Oct 1
SAN6:15 amSan Diego
8h 35m
1 stop
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
$320
Find similar
Delta
Oct 30
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
11h 32m
1 stop
SAN2:32 pmSan Diego
Nov 3
SAN10:20 pmSan Diego
10h 42m
1 stop
YUL12:02 pmMontreal Pierre Elliott Trudeau Intl
$335
Find similar
Delta
Sep 17
YUL12:47 pmMontreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
SAN7:27 pmSan Diego
Sep 20
SAN11:23 amSan Diego
9h 06m
1 stop
YUL11:29 pmMontreal Pierre Elliott Trudeau Intl
$346
Find similar

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
Oct 30
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
13h 37m
1 stop
SAN6:06 pmSan Diego
Nov 3
SAN10:23 pmSan Diego
12h 23m
1 stop
YUL1:46 pmMontreal Pierre Elliott Trudeau Intl
$303
Find similar
American Airlines
Oct 7
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
13h 37m
1 stop
SAN6:06 pmSan Diego
Oct 12
SAN6:16 amSan Diego
7h 23m
1 stop
YUL4:39 pmMontreal Pierre Elliott Trudeau Intl
$317
Find similar
American Airlines
Oct 7
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
11h 15m
2 stops
SAN3:44 pmSan Diego
Oct 12
SAN6:16 amSan Diego
7h 23m
1 stop
YUL4:39 pmMontreal Pierre Elliott Trudeau Intl
$355
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 832,500 searches. Data last updated September 11, 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

Sat 12/6

6:00 am-11:38 am

1 stop8h 38m

San Diego

Sun 12/14

12:25 pm-12:32 am

1 stop9h 07m

$302

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

7:29 am-6:06 pm

1 stop13h 37m

San Diego

Mon 11/3

10:23 pm-1:46 pm

1 stop12h 23m

$303

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

3:00 pm-11:44 pm

2 stops11h 44m

San Diego

Fri 11/7

5:50 pm-1:28 pm

2 stops16h 38m

$305

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 10/11

6:15 am-3:50 pm

1 stop12h 35m

San Diego

Sat 10/11

7:28 pm-8:16 am

1 stop9h 48m

$314

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

7:29 am-6:06 pm

1 stop13h 37m

San Diego

Sun 10/12

6:16 am-4:39 pm

1 stop7h 23m

$317

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

12:47 pm-7:27 pm

1 stop9h 40m

San Diego

Wed 10/1

6:15 am-5:50 pm

1 stop8h 35m

$320

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

6:15 am-11:40 am

1 stop8h 25m

San Diego

Fri 10/10

10:30 pm-10:40 am

1 stop9h 10m

$325

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

4:45 pm-11:44 pm

2 stops9h 59m

San Diego

Fri 2/27

10:30 pm-1:46 pm

1 stop12h 16m

$326

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

6:00 am-2:32 pm

1 stop11h 32m

San Diego

Mon 11/3

10:20 pm-12:02 pm

1 stop10h 42m

$335

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:15 am-11:40 am

1 stop8h 25m

San Diego

Sun 10/26

8:10 am-4:35 pm

Nonstop5h 25m

$369

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?

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 $355.

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

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $245. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $288. Flights in the morning are often more expensive with an average ticket price of $551.

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 $390 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 $340 on momondo.

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

There are 3 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 September 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

Fastest flight time

5h 50m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in San Diego

1 airport
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 on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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?

    The straight-line distance from Montreal Pierre Elliott Trudeau Intl to San Diego is 2452.2 mi. A reasonable flight in good conditions will take 8h 25m.

  • 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 refreshed on a daily basis.

  • 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 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 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
Air CanadaPriceFrom $233Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
7,960 reviews
Search Delta flights

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

    United Airlines is one of the most popular airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego, operating 6 flights/week on average for this route. A good United Airlines flight deal for Montreal Pierre Elliott Trudeau Intl Airport to San Diego starts from $263 round-trip, up to an average price of $388. Our users have rated United Airlines at 7.4/10.

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

    Air Canada is also a popular choice for this route. Air Canada flight deals for Montreal Pierre Elliott Trudeau Intl Airport to San Diego start from as low as $233 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $405. Air Canada operates 6 flights to San Diego from Montreal Pierre Elliott Trudeau Intl Airport in an average week. Users have rated it 7.1/10 across 10,000 reviews.

Traveling 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
Julian
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

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. momondo allows you to filter the results for Montreal to San Diego flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Montreal to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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