Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 281

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
11 Jan — 18 Jan1
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 August, booked 88 days in advance, depart on a Tuesday or Monday 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 12 December 2025.

Sun 28/123:00 p.m.YUL - SAN
1 stop10h 59mUnited Airlines
Sat 10/16:00 p.m.SAN - YUL
2 stops15h 00mUnited Airlines
Deal found 11/12C$ 874
Wed 31/125:25 p.m.YUL - SAN
1 stop19h 14mUnited Airlines
Sat 10/11:05 p.m.SAN - YUL
1 stop15h 40mUnited Airlines
Deal found 11/12C$ 876
Sun 28/123:00 p.m.YUL - SAN
1 stop10h 59mUnited Airlines
Wed 7/16:00 p.m.SAN - YUL
2 stops15h 00mUnited Airlines
Deal found 11/12C$ 923
Wed 31/125:25 p.m.YUL - SAN
1 stop19h 14mUnited Airlines
Tue 6/110:00 p.m.SAN - YUL
1 stop11h 46mUnited Airlines
Deal found 11/12C$ 924
Wed 31/128:30 a.m.YUL - SAN
2 stops15h 17mAir Canada
Sat 10/12:11 p.m.SAN - YUL
1 stop17h 09mAir Canada
Deal found 11/12C$ 952
Wed 31/126:45 a.m.YUL - SAN
2 stops32h 06mMultiple Airlines
Wed 7/110:35 a.m.SAN - YUL
1 stop10h 55mMultiple Airlines
Deal found 11/12C$ 974
Tue 16/122:13 p.m.YUL - SAN
2 stops23h 27mUnited Airlines
Wed 24/124:45 p.m.SAN - YUL
2 stops17h 01mUnited Airlines
Deal found 9/12C$ 992
Fri 26/1212:59 p.m.YUL - SAN
1 stop11h 49mAmerican Airlines
Sat 10/111:30 a.m.SAN - YUL
1 stop21h 54mAmerican Airlines
Deal found 11/12C$ 998
Wed 31/128:30 a.m.YUL - SAN
2 stops15h 17mAir Canada
Fri 9/16:30 a.m.SAN - YUL
1 stop7h 28mAir Canada
Deal found 11/12C$ 1,003
Mon 29/127:30 p.m.YUL - SAN
2 stops43h 41mMultiple Airlines
Wed 7/110:35 a.m.SAN - YUL
1 stop10h 55mMultiple Airlines
Deal found 11/12C$ 1,004
Sun 28/123:00 p.m.YUL - SAN
1 stop10h 59mUnited Airlines
Tue 6/16:00 p.m.SAN - YUL
2 stops15h 00mUnited Airlines
Deal found 11/12C$ 1,005

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 12 December 2025.

Round-trip from

C$ 520

One-way from

C$ 281

Popular in

November

Cheapest in

May

Average price

C$ 462

Good round-trip deal

C$ 533 or less
Air Canada
  • Air Canada
  • 26/5-31/5
  • Nonstop
  • 11h 29m total
  • Montreal to San Diego
12/1
  • 12/1
  • 3 total stops
  • 36h 09m total
  • Montreal to San Diego
Highest demand for flights based on searches. 5% potential increase in price (C$ 41 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to San Diego.

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 12 December 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

Wed 14/1

7:00 a.m.-5:39 p.m.

1 stop13h 39m

San Diego

Tue 28/4

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

1 stop11h 44m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

12:54 p.m.-10:31 p.m.

1 stop12h 37m

San Diego

Sat 24/1

10:30 p.m.-11:45 a.m.

1 stop10h 15m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

12:54 p.m.-6:58 p.m.

1 stop9h 04m

San Diego

Wed 29/4

8:00 a.m.-11:58 p.m.

1 stop12h 58m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

1:02 p.m.-7:01 p.m.

1 stop8h 59m

San Diego

Sun 25/1

6:30 a.m.-4:55 p.m.

1 stop7h 25m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

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

1 stop11h 08m

San Diego

Wed 17/6

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

1 stop11h 04m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

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

1 stop12h 31m

San Diego

Mon 30/3

10:10 p.m.-11:57 a.m.

1 stop10h 47m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

2:45 p.m.-10:45 p.m.

1 stop11h 00m

San Diego

Sat 2/5

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

1 stop11h 44m

C$ 528

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

7:00 a.m.-5:39 p.m.

1 stop13h 39m

San Diego

Sat 17/1

10:00 p.m.-12:04 p.m.

1 stop11h 04m

C$ 530

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

12:50 p.m.-6:51 p.m.

1 stop9h 01m

San Diego

Mon 2/2

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

1 stop11h 12m

C$ 530

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

7:00 a.m.-5:39 p.m.

1 stop13h 39m

San Diego

Mon 19/1

10:30 p.m.-11:45 a.m.

1 stop10h 15m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 18 results
1
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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 5 December 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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$ 185). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in September is currently the most expensive (average of C$ 354). 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 12 December 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 66% on flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to San Diego. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to San Diego flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 December 2025.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited 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.

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 6 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 13h 39m. Delta provides one of the quickest options available for as low as C$ 528. 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$ 270. Other airlines that can offer you cheap pricing are Delta, from C$ 271, and American Airlines, from C$ 271. Users have found that WestJet is 46% 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 Air Canada, which is currently one of the cheapest options available, starting at C$ 220. United Airlines flights start at C$ 225 while deals on Delta start at C$ 238 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$ 537 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego. The cheapest flight overall is C$ 339 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Diego) is currently priced at C$ 485.

  • 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$ 185). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in September is currently the most expensive (average of C$ 354). 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 12 December 2025.

Top 6 airlines flying from Pierre Elliott Trudeau Intl to San Diego

Discover the top 6 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 271AverageC$ 423FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 299AverageC$ 455FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 343AverageC$ 483FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 353AverageC$ 565FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 360AverageC$ 395FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 360AverageC$ 499FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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