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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from $139

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 10/24. 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

Multiple Airlines Logo
6:45 am - 9:20 pmYUL-SAN
17h 35m2 stops
Multiple Airlines Logo
8:00 am - 12:37 amSAN-YUL
13h 37m2 stops
$326Multiple Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Multiple Airlines Logo
7:00 am - 11:04 pmYUL-SAN
19h 04m2 stops
Multiple Airlines Logo
12:35 pm - 1:32 pmSAN-YUL
21h 57m1 stop
$349Multiple Airlines
Find Deal
Thu, Oct 23 - Mon, Nov 3
WestJet Logo
7:30 pm - 11:47 amYUL-SAN
19h 17m1 stop
WestJet Logo
12:35 pm - 7:05 amSAN-YUL
15h 30m1 stop
$350WestJet
Find Deal
Sun, Feb 15 - Wed, Feb 18
WestJet Logo
6:45 am - 11:45 amYUL-SAN
32h 00m2 stops
WestJet Logo
12:35 pm - 7:05 amSAN-YUL
15h 30m1 stop
$366WestJet
Find Deal
Sat, Dec 6 - Sun, Dec 14
Air Canada Logo
9:00 am - 5:24 pmYUL-SAN
11h 24m1 stop
Air Canada Logo
8:10 am - 4:39 pmSAN-YUL
5h 29mnonstop
$370Air Canada
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Wed, Jan 14 - Sat, May 2
Delta Logo
12:45 pm - 10:00 pmYUL-SAN
12h 15m1 stop
Delta Logo
10:30 pm - 12:20 pmSAN-YUL
10h 50m1 stop
$376Delta
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Wed, Feb 11 - Sun, Feb 22
Delta Logo
6:00 am - 2:11 pmYUL-SAN
11h 11m1 stop
Delta Logo
10:23 pm - 11:59 amSAN-YUL
10h 36m1 stop
$377Delta
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Thu, Dec 18 - Sat, Dec 20
Air Canada Logo
9:00 am - 5:24 pmYUL-SAN
11h 24m1 stop
Air Canada Logo
8:10 am - 4:39 pmSAN-YUL
5h 29mnonstop
$378Air Canada
Find Deal
Wed, Jan 14 - Sat, May 2
United Airlines Logo
6:30 pm - 7:56 amYUL-SAN
16h 26m1 stop
United Airlines Logo
4:07 pm - 10:40 amSAN-YUL
15h 33m2 stops
$382United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
9:15 am - 3:01 pmYUL-SAN
8h 46m1 stop
United Airlines Logo
4:07 pm - 10:40 amSAN-YUL
15h 33m2 stops
$383United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22

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
Oct 15
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
16h 26m
1 stop
SAN7:56 amSan Diego
Oct 22
SAN4:07 pmSan Diego
15h 33m
2 stops
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$382
Find similar
United Airlines
Oct 15
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
8h 46m
1 stop
SAN3:01 pmSan Diego
Oct 22
SAN4:07 pmSan Diego
15h 33m
2 stops
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$383
Find similar
United Airlines
Oct 31
YUL3:00 pmMontreal Pierre Elliott Trudeau Intl
9h 11m
1 stop
SAN9:11 pmSan Diego
Nov 7
SAN5:50 pmSan Diego
17h 10m
2 stops
YUL2:00 pmMontreal Pierre Elliott Trudeau Intl
$384
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
Feb 11
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
12h 15m
1 stop
SAN10:00 pmSan Diego
Feb 22
SAN10:30 pmSan Diego
10h 50m
1 stop
YUL12:20 pmMontreal Pierre Elliott Trudeau Intl
$376
Find similar
Delta
Dec 18
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
11h 11m
1 stop
SAN2:11 pmSan Diego
Dec 20
SAN10:23 pmSan Diego
10h 36m
1 stop
YUL11:59 amMontreal Pierre Elliott Trudeau Intl
$377
Find similar
Delta
Feb 25
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
13h 26m
1 stop
SAN11:11 pmSan Diego
Feb 27
SAN10:30 pmSan Diego
10h 50m
1 stop
YUL12:20 pmMontreal Pierre Elliott Trudeau Intl
$386
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 17, 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

Wed 10/8

6:45 am-9:20 pm

2 stops17h 35m

San Diego

Wed 10/15

8:00 am-12:37 am

2 stops13h 37m

$326

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

7:00 am-11:04 pm

2 stops19h 04m

San Diego

Mon 11/3

12:35 pm-1:32 pm

1 stop21h 57m

$349

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

7:30 pm-11:47 am

1 stop19h 17m

San Diego

Wed 2/18

12:35 pm-7:05 am

1 stop15h 30m

$350

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 12/6

6:45 am-11:45 am

2 stops32h 00m

San Diego

Sun 12/14

12:35 pm-7:05 am

1 stop15h 30m

$366

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

9:00 am-5:24 pm

1 stop11h 24m

San Diego

Sat 5/2

8:10 am-4:39 pm

Nonstop5h 29m

$370

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

12:45 pm-10:00 pm

1 stop12h 15m

San Diego

Sun 2/22

10:30 pm-12:20 pm

1 stop10h 50m

$376

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 12/18

6:00 am-2:11 pm

1 stop11h 11m

San Diego

Sat 12/20

10:23 pm-11:59 am

1 stop10h 36m

$377

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

9:00 am-5:24 pm

1 stop11h 24m

San Diego

Sat 5/2

8:10 am-4:39 pm

Nonstop5h 29m

$378

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:30 pm-7:56 am

1 stop16h 26m

San Diego

Wed 10/22

4:07 pm-10:40 am

2 stops15h 33m

$382

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

9:15 am-3:01 pm

1 stop8h 46m

San Diego

Wed 10/22

4:07 pm-10:40 am

2 stops15h 33m

$383

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 August is also very affordable. Most momondo users find prices during this month for around $326.

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 $383 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 $310 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

Every day

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 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?

    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 01m.

  • 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
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
7,961 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
Poway
Imperial Beach
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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