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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 243

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
23 May — 30 May1
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 December or August, booked 30 days in advance, depart on a Monday or Sunday and return on a Tuesday

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 23 April 2026.

Fri 11/97:15 a.m.
YUL
-
SAN
1 stop9h 55m
WestJet
Sat 19/93:30 p.m.
SAN
-
YUL
1 stop12h 35m
WestJet
Deal found 22/4C$ 430
Tue 8/95:45 p.m.
YUL
-
SAN
Nonstop5h 51m
Air Canada
Sun 13/97:00 a.m.
SAN
-
YUL
Nonstop5h 27m
Air Canada
Deal found 22/4C$ 444
Tue 8/96:00 a.m.
YUL
-
SAN
1 stop11h 08m
Delta
Sun 13/98:50 a.m.
SAN
-
YUL
1 stop11h 44m
Delta
Deal found 22/4C$ 452
Fri 11/92:30 p.m.
YUL
-
SAN
1 stop8h 30m
American Airlines
Sat 19/911:00 p.m.
SAN
-
YUL
1 stop9h 15m
American Airlines
Deal found 22/4C$ 464
Sat 26/95:45 p.m.
YUL
-
SAN
Nonstop5h 51m
Air Canada
Sun 4/107:00 a.m.
SAN
-
YUL
Nonstop5h 27m
Air Canada
Deal found 18/4C$ 479
Thu 21/55:45 p.m.
YUL
-
SAN
Nonstop5h 58m
Air Canada
Mon 25/57:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 18/4C$ 488
Thu 3/97:00 a.m.
YUL
-
SAN
1 stop8h 55m
Delta
Mon 7/98:50 a.m.
SAN
-
YUL
1 stop11h 44m
Delta
Deal found 22/4C$ 500
Fri 22/57:15 a.m.
YUL
-
SAN
1 stop9h 55m
WestJet
Fri 29/53:30 p.m.
SAN
-
YUL
1 stop22h 00m
WestJet
Deal found 18/4C$ 505
Fri 15/55:45 p.m.
YUL
-
SAN
Nonstop5h 58m
Air Canada
Sun 24/57:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 20/4C$ 507
Thu 21/55:45 p.m.
YUL
-
SAN
Nonstop5h 58m
Air Canada
Sun 24/57:00 a.m.
SAN
-
YUL
Nonstop5h 31m
Air Canada
Deal found 19/4C$ 514

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 23 April 2026.

Round-trip from

C$ 430

One-way from

C$ 243

Popular in

March

Cheapest in

December

Average price

C$ 587

Good round-trip deal

C$ 535 or less
WestJet
  • WestJet
  • 11/9-19/9
  • 2 total stops
  • 22h 30m total
  • Montreal to San Diego
Search Deals
Air Canada
  • Air Canada
  • 12/10
  • Nonstop
  • 5h 51m total
  • Montreal to San Diego
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 23 April 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

Thu 3/9

7:00 a.m.-12:55 p.m.

1 stop8h 55m

San Diego

Mon 7/9

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

1 stop11h 44m

C$ 500

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

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

1 stop11h 08m

San Diego

Sun 4/10

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

1 stop11h 44m

C$ 514

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

12:54 p.m.-10:00 p.m.

1 stop12h 06m

San Diego

Mon 25/5

6:15 a.m.-4:15 p.m.

1 stop7h 00m

C$ 522

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

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

1 stop13h 00m

San Diego

Tue 21/7

8:00 a.m.-11:55 p.m.

1 stop12h 55m

C$ 530

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

6:00 a.m.-10:23 a.m.

1 stop7h 23m

San Diego

Sun 24/5

10:15 p.m.-11:49 a.m.

1 stop10h 34m

C$ 530
Quickest round-trip

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

12:49 p.m.-6:01 p.m.

1 stop8h 12m

San Diego

Tue 12/5

11:38 a.m.-11:13 p.m.

1 stop8h 35m

C$ 540

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

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

1 stop13h 00m

San Diego

Sat 1/8

8:00 a.m.-11:55 p.m.

1 stop12h 55m

C$ 546

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

7:00 a.m.-5:05 p.m.

1 stop13h 05m

San Diego

Sat 15/8

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

1 stop12h 56m

C$ 550
Cheapest one-way

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

6:00 a.m.-2:12 p.m.

1 stop11h 12m

C$ 306

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

12:44 p.m.-10:57 p.m.

1 stop13h 13m

C$ 306

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of C$ 458). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in March is currently the most expensive (average of C$ 684). 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.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

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 23 April 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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
8,437 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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
8,437 reviews
Delta
7.9
Good
8,437 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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
9,637 reviews
Delta
7.9
Good
8,437 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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
11,656 reviews
Delta
7.9
Good
8,437 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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
10,957 reviews
Delta
7.9
Good
8,437 reviews
Check prices

Boarding

8.1

Comfort

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

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 4 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 55m. Delta provides one of the quickest options available for as low as C$ 500. The distance between Montreal Pierre Elliott Trudeau Intl Airport and San Diego is about 3948 km.

  • 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$ 269. Other airlines that can offer you cheap pricing are American Airlines, from C$ 269, and Air Canada, from C$ 332. Users have found that Delta is 51% 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$ 220 while deals on American Airlines start at C$ 264 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$ 571 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. The cheapest flight overall is C$ 453 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Diego) is currently priced at C$ 444.

  • 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, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of C$ 458). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in March is currently the most expensive (average of C$ 684). 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 23 April 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 4 airlines flying from Pierre Elliott Trudeau Intl to San Diego

Discover the top 4 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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 269AverageC$ 486FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 269AverageC$ 419FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 332AverageC$ 594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 362AverageC$ 516FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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