Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from $219

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 1/20. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? 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 am - 1:36 pmYUL-SAN
9h 24m1 stop
American Airlines Logo
3:23 pm - 3:05 pmSAN-YUL
20h 42m1 stop
$361American Airlines
Find Deal
Thu, Feb 19 - Thu, Feb 26
American Airlines Logo
2:25 pm - 11:59 pmYUL-SAN
12h 34m2 stops
American Airlines Logo
3:23 pm - 3:05 pmSAN-YUL
20h 42m1 stop
$371American Airlines
Find Deal
Thu, Feb 19 - Thu, Feb 26
Delta Logo
12:54 pm - 7:00 pmYUL-SAN
9h 06m1 stop
Delta Logo
8:50 am - 11:34 pmSAN-YUL
11h 44m1 stop
$379Delta
Find Deal
Wed, Jan 14 - Sat, May 2
Delta Logo
12:54 pm - 7:00 pmYUL-SAN
9h 06m1 stop
Delta Logo
8:50 am - 11:34 pmSAN-YUL
11h 44m1 stop
$380Delta
Find Deal
Wed, Jan 14 - Tue, Apr 28
United Airlines Logo
6:00 am - 3:39 pmYUL-SAN
12h 39m1 stop
United Airlines Logo
6:55 pm - 3:23 pmSAN-YUL
17h 28m2 stops
$389United Airlines
Find Deal
Tue, Mar 24 - Tue, Mar 24
United Airlines Logo
2:13 pm - 10:37 pmYUL-SAN
11h 24m2 stops
United Airlines Logo
7:44 pm - 10:11 amSAN-YUL
11h 27m2 stops
$394United Airlines
Find Deal
Wed, Jan 14 - Sat, May 2
Air Canada Logo
6:00 am - 11:53 amYUL-SAN
8h 53m1 stop
Air Canada Logo
8:10 am - 4:39 pmSAN-YUL
5h 29mnonstop
$396Air Canada
Find Deal
Wed, Jan 14 - Sat, May 2
Air Canada Logo
6:00 am - 11:53 amYUL-SAN
8h 53m1 stop
Air Canada Logo
12:40 pm - 11:22 pmSAN-YUL
7h 42m1 stop
$398Air Canada
Find Deal
Mon, Dec 8 - Thu, Dec 11
Multiple Airlines Logo
4:45 pm - 10:33 pmYUL-SAN
8h 48m1 stop
Multiple Airlines Logo
12:40 pm - 1:53 amSAN-YUL
10h 13m1 stop
$400Multiple Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
5:25 pm - 9:24 amYUL-SAN
18h 59m1 stop
Multiple Airlines Logo
12:40 pm - 1:53 amSAN-YUL
10h 13m1 stop
$454Multiple Airlines
Find Deal
Mon, Feb 16 - Wed, Feb 25

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
Jan 14
YUL12:54 pmMontreal Pierre Elliott Trudeau Intl
9h 06m
1 stop
SAN7:00 pmSan Diego
May 2
SAN8:50 amSan Diego
11h 44m
1 stop
YUL11:34 pmMontreal Pierre Elliott Trudeau Intl
$379
Find similar
Delta
Jan 14
YUL12:54 pmMontreal Pierre Elliott Trudeau Intl
9h 06m
1 stop
SAN7:00 pmSan Diego
Apr 28
SAN8:50 amSan Diego
11h 44m
1 stop
YUL11:34 pmMontreal Pierre Elliott Trudeau Intl
$380
Find similar
Delta
Dec 4
YUL12:50 pmMontreal Pierre Elliott Trudeau Intl
8h 31m
1 stop
SAN6:21 pmSan Diego
Dec 10
SAN6:15 amSan Diego
14h 32m
2 stops
YUL11:47 pmMontreal Pierre Elliott Trudeau Intl
$385
Find similar

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
Mar 24
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
12h 39m
1 stop
SAN3:39 pmSan Diego
Mar 24
SAN6:55 pmSan Diego
17h 28m
2 stops
YUL3:23 pmMontreal Pierre Elliott Trudeau Intl
$389
Find similar
United Airlines
Jan 14
YUL2:13 pmMontreal Pierre Elliott Trudeau Intl
11h 24m
2 stops
SAN10:37 pmSan Diego
May 2
SAN7:44 pmSan Diego
11h 27m
2 stops
YUL10:11 amMontreal Pierre Elliott Trudeau Intl
$394
Find similar
United Airlines
Dec 2
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
20h 36m
2 stops
SAN10:21 amSan Diego
Dec 10
SAN9:55 pmSan Diego
14h 21m
1 stop
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
$395
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 November 4, 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 2/19

7:12 am-1:36 pm

1 stop9h 24m

San Diego

Thu 2/26

3:23 pm-3:05 pm

1 stop20h 42m

$361

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

2:25 pm-11:59 pm

2 stops12h 34m

San Diego

Thu 2/26

3:23 pm-3:05 pm

1 stop20h 42m

$371

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

12:54 pm-7:00 pm

1 stop9h 06m

San Diego

Sat 5/2

8:50 am-11:34 pm

1 stop11h 44m

$379

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

12:54 pm-7:00 pm

1 stop9h 06m

San Diego

Tue 4/28

8:50 am-11:34 pm

1 stop11h 44m

$380

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

6:00 am-3:39 pm

1 stop12h 39m

San Diego

Tue 3/24

6:55 pm-3:23 pm

2 stops17h 28m

$389

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:13 pm-10:37 pm

2 stops11h 24m

San Diego

Sat 5/2

7:44 pm-10:11 am

2 stops11h 27m

$394

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

6:00 am-11:53 am

1 stop8h 53m

San Diego

Sat 5/2

8:10 am-4:39 pm

Nonstop5h 29m

$396

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 12/8

6:00 am-11:53 am

1 stop8h 53m

San Diego

Thu 12/11

12:40 pm-11:22 pm

1 stop7h 42m

$398

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

4:45 pm-10:33 pm

1 stop8h 48m

San Diego

Thu 1/15

12:40 pm-1:53 am

1 stop10h 13m

$400

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

5:25 pm-9:24 am

1 stop18h 59m

San Diego

Wed 2/25

12:40 pm-1:53 am

1 stop10h 13m

$454

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?

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 Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $256. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $481. 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 $306. 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 $380 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 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?

    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 31m.

  • 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
10,400 reviews
Search Air Canada flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
7.9
8,002 reviews
Search Delta flights

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
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
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.

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 12/4
Thu 12/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States