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$163+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to San Diego (SAN)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Diego are usually found in May or April, booked 57 days in advance, depart on a Friday or Sunday and return on a Wednesday

Cheap 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 July 25, 2025.

Round-trip from

$281
(Air Canada)

One-way from

$163
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$389

Good round-trip deal

$516 or less

Good one-way deal

$193 or less
From Montreal Pierre Elliott Trudeau Intl to San Diego
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One-way flight from Montreal Pierre Elliott Trudeau Intl to San Diego
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Highest demand for flights based on searches. 17% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to San Diego.
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to San Diego.
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Find flight deals from Pierre Elliott Trudeau Intl to San Diego

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 July 25, 2025.

This Air Canada deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:30 amYUL - SAN
1 stop11h 21mAir Canada
Wed 10/228:10 amSAN - YUL
Nonstop5h 30mAir Canada
Deal found 7/23$281
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:15 amYUL - SAN
1 stop15h 20mUnited Airlines
Fri 8/2210:30 pmSAN - YUL
1 stop9h 10mUnited Airlines
Deal found 7/24$307
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:30 pmYUL - SAN
1 stop22h 50mWestJet
Sun 10/192:05 pmSAN - YUL
1 stop23h 22mWestJet
Deal found 7/24$314
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:50 amYUL - SAN
1 stop16h 26mAmerican Airlines
Tue 8/192:48 pmSAN - YUL
1 stop21h 06mAmerican Airlines
Deal found 7/22$323
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:47 pmYUL - SAN
1 stop11h 28mDelta
Sat 8/3010:40 pmSAN - YUL
1 stop10h 18mDelta
Deal found 7/23$324
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:55 amYUL - SAN
3 stops17h 42mMultiple Airlines
Wed 8/2712:40 pmSAN - YUL
2 stops15h 30mMultiple Airlines
Deal found 7/23$362

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 2,558,603 searches. Data last updated July 25, 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

Pierre Elliott Trudeau Intl

Fly to

San Diego

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

7:30 am-3:51 pm

1 stop11h 21m

San Diego

Wed 10/22

8:10 am-4:40 pm

Nonstop5h 30m

$281

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 8/15

6:15 am-6:35 pm

1 stop15h 20m

San Diego

Mon 8/25

7:21 pm-8:16 am

1 stop9h 55m

$307

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

5:30 pm-1:20 pm

1 stop22h 50m

San Diego

Sun 10/19

2:05 pm-4:27 pm

1 stop23h 22m

$314

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

7:50 am-9:16 pm

1 stop16h 26m

San Diego

Tue 8/19

2:48 pm-2:54 pm

1 stop21h 06m

$323

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

12:47 pm-9:15 pm

1 stop11h 28m

San Diego

Sat 8/30

10:40 pm-11:58 am

1 stop10h 18m

$324

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 8/20

8:55 am-11:37 pm

3 stops17h 42m

San Diego

Wed 8/27

12:40 pm-7:10 am

2 stops15h 30m

$362

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

7:00 am-1:20 pm

1 stop9h 20m

$163

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 8/29

4:45 pm-7:38 pm

Nonstop5h 53m

$176

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 8/21

8:25 am-4:13 pm

1 stop10h 48m

$182

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 8/16

3:44 pm-10:30 pm

1 stop9h 46m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 12 results
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

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to San Diego. Price data was last updated on July 18, 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of $286). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in March is currently the most expensive (average of $366). 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.

What is the cheapest time of day to fly from YUL to SAN?

Find hourly flight availability from Pierre Elliott Trudeau Intl to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight at noon.

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 July 25, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Montreal Pierre Elliott Trudeau Intl Airport to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8.0
Very good
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,880 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
2,963 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
9,787 reviews
Delta
8.0
Very good
7,967 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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?

    San Diego (SAN) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to San Diego. You should not have trouble finding flights to San Diego from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 1 inbound flight from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the San Diego airport from Montreal Pierre Elliott Trudeau Intl. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

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

    According to our current data, Air Canada ($281), United Airlines ($307), and WestJet ($314) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego for 34% less than the average price by searching for these airlines.

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

    $163 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $176 and $182, respectively.

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

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to San Diego is $167. On average you can expect to pay $404. The most popular route, (Montreal Pierre Elliott Trudeau Intl - San Diego), can usually be booked for $291.

  • 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, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of $286). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine
Santee

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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 2,558,603 searches. Data last updated July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$235Average$426FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$263Average$407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$271Average$447FlexibilityNo cancel feeOn-time71%
DeltaCheapest$293Average$407FlexibilityNo cancel feeOn-timeN/A

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