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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 234

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
12 apr. — 19 apr.1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Diego are usually found in May or December, booked 65 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to San Diego
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 mars 2026.

lø. 25/41:03 p.m.
YUL
-
SAN
1 stop8h 43m
American Airlines
lø. 2/54:41 p.m.
SAN
-
YUL
1 stop19h 03m
American Airlines
Deal found 12/3C$ 388
fr. 1/55:45 p.m.
YUL
-
SAN
Nonstop5h 58m
Air Canada
fr. 8/57:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 9/3C$ 390
ti. 14/41:03 p.m.
YUL
-
SAN
1 stop8h 43m
American Airlines
on. 15/44:41 p.m.
SAN
-
YUL
1 stop19h 03m
American Airlines
Deal found 11/3C$ 399
ti. 15/97:55 a.m.
YUL
-
SAN
1 stop15h 39m
American Airlines
lø. 19/99:55 p.m.
SAN
-
YUL
1 stop11h 28m
American Airlines
Deal found 12/3C$ 407
on. 22/42:32 p.m.
YUL
-
SAN
1 stop9h 18m
American Airlines
ma. 27/410:40 p.m.
SAN
-
YUL
1 stop10h 04m
American Airlines
Deal found 11/3C$ 418
to. 9/43:45 p.m.
YUL
-
SAN
1 stop19h 30m
American Airlines
ti. 14/410:40 p.m.
SAN
-
YUL
1 stop10h 04m
American Airlines
Deal found 12/3C$ 426
sø. 3/55:45 p.m.
YUL
-
SAN
Nonstop5h 58m
Air Canada
ti. 12/57:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 10/3C$ 429
on. 27/55:00 a.m.
YUL
-
SAN
1 stop10h 18m
Air Canada
on. 3/67:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 9/3C$ 431

Find flight deals from Pierre Elliott Trudeau Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 mars 2026.

Round-trip from

C$ 388

One-way from

C$ 234

Popular in

November

Cheapest in

May

Average price

C$ 574

Good round-trip deal

C$ 456 or less
American Airlines
  • American Airlines
  • 25/4-2/5
  • 2 total stops
  • 27h 46m total
  • Montreal to San Diego
Search Deals
American Airlines
  • American Airlines
  • 14/4
  • 1 total stop
  • 12h 46m total
  • Montreal to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 13 mars 2026.
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

Cheapest round-trip

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

fr. 27/3

7:00 a.m.-4:31 p.m.

1 stop12h 31m

San Diego

ti. 7/4

10:30 p.m.-11:37 a.m.

1 stop10h 07m

C$ 464

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

on. 3/6

6:00 a.m.-2:07 p.m.

1 stop11h 07m

San Diego

to. 11/6

9:40 p.m.-11:44 a.m.

1 stop11h 04m

C$ 503
Quickest round-trip

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

ti. 28/4

5:00 p.m.-10:59 p.m.

1 stop8h 59m

San Diego

ti. 5/5

10:40 p.m.-10:40 a.m.

1 stop9h 00m

C$ 522

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

on. 22/4

11:23 a.m.-10:38 p.m.

2 stops14h 15m

San Diego

on. 29/4

6:20 p.m.-1:09 p.m.

2 stops15h 49m

C$ 522

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

ti. 28/4

12:42 p.m.-9:20 p.m.

1 stop11h 38m

San Diego

on. 29/4

9:45 p.m.-11:36 a.m.

1 stop10h 51m

C$ 522

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

lø. 18/4

3:25 p.m.-11:59 p.m.

2 stops11h 34m

San Diego

fr. 24/4

8:37 p.m.-1:09 p.m.

2 stops13h 32m

C$ 541

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

to. 3/9

9:45 a.m.-7:55 p.m.

2 stops13h 10m

San Diego

fr. 11/9

2:24 p.m.-8:16 a.m.

2 stops14h 52m

C$ 541

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

to. 3/9

6:00 a.m.-2:08 p.m.

1 stop11h 08m

San Diego

fr. 11/9

12:50 p.m.-11:56 p.m.

1 stop8h 06m

C$ 541

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

ti. 28/4

5:00 p.m.-10:59 p.m.

1 stop8h 59m

San Diego

on. 29/4

7:14 p.m.-2:40 p.m.

2 stops16h 26m

C$ 563

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

ti. 9/6

6:00 a.m.-10:46 a.m.

1 stop7h 46m

San Diego

on. 17/6

8:00 a.m.-11:56 p.m.

1 stop12h 56m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

Best time to book a flight from Pierre Elliott Trudeau Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of C$ 182). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in February is currently the most expensive (average of C$ 434). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 13 mars 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,285 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,418 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
3,292 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.1
Good
11,447 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
10,800 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Montreal Pierre Elliott Trudeau Intl?

    If you book a flight to San Diego from Montreal Pierre Elliott Trudeau Intl, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 4.2 km from the centre of San Diego. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to San Diego per day from 5 different airlines.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego can take about 8h 59m. Delta provides one of the quickest options available for as low as C$ 522. The distance between Montreal Pierre Elliott Trudeau Intl Airport and San Diego is about 3948 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego round-trip?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego round-trip from C$ 268. Other airlines that can offer you cheap pricing are American Airlines, from C$ 268, and Air Canada, from C$ 323. Users have found that Delta is 48% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 168. Air Canada flights start at C$ 219 while deals on Delta start at C$ 235 one-way.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

    On average you can expect to pay C$ 530 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. The cheapest flight overall is C$ 376 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Diego) is currently priced at C$ 464.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to San Diego that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to San Diego.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Diego?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

    Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of C$ 182). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in February is currently the most expensive (average of C$ 434). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

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Fly from Pierre Elliott Trudeau Intl to San Diego on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 13 mars 2026.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to San Diego
United Airlines flights from Montreal Pierre Elliott Trudeau Intl to San Diego

Top 5 airlines flying from Pierre Elliott Trudeau Intl to San Diego

Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 13 mars 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 268AverageC$ 470FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 268AverageC$ 417FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 323AverageC$ 551FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 335AverageC$ 493FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 355AverageC$ 389FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to San Diego?

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to San Diego with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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