$188+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Pierre Elliott Trudeau Intl to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Diego are usually found in May or August, booked 65 days in advance, depart on a Wednesday or Friday and return on a Tuesday
Cheap flight deals from Pierre Elliott Trudeau Intl to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pierre Elliott Trudeau Intl to San DiegoExplore 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 February 3, 2026.
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 February 3, 2026.
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/1812:59 pm
YUL
- SAN
1 stop12h 00m
American Airlines
Tue 3/1010:00 pm
SAN
- YUL
1 stop12h 45m
American Airlines
Deal found 1/31![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 2/149:15 am
YUL
- SAN
1 stop9h 26m
United Airlines
Sat 2/213:40 pm
SAN
- YUL
2 stops19h 20m
United Airlines
Deal found 1/31![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/34:45 pm
YUL
- SAN
1 stop8h 59m
United Airlines
Tue 3/104:00 pm
SAN
- YUL
2 stops18h 28m
United Airlines
Deal found 1/31![United Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Sat 5/303:30 pm
SAN
- YUL
1 stop12h 30m
WestJet
Deal found 2/1![WestJet logo]()
$325
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/37:30 am
YUL
- SAN
1 stop14h 54m
American Airlines
Tue 3/1010:00 pm
SAN
- YUL
1 stop12h 45m
American Airlines
Deal found 1/31![American Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Sat 5/163:30 pm
SAN
- YUL
1 stop29h 15m
WestJet
Deal found 2/2![WestJet logo]()
$331
This Air Canada deal was found by Cheapflights users on 1/31. 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.
Wed 4/226:00 am
YUL
- SAN
1 stop8h 53m
Air Canada
Mon 4/271:10 pm
SAN
- YUL
1 stop8h 21m
Air Canada
Deal found 1/31![Air Canada logo]()
$338
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/2212:30 pm
YUL
- SAN
1 stop14h 03m
American Airlines
Mon 4/273:12 pm
SAN
- YUL
1 stop17h 32m
American Airlines
Deal found 2/2![American Airlines logo]()
$356
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Thu 5/215:45 pm
YUL
- SAN
Nonstop5h 58m
Air Canada
Tue 5/267:00 am
SAN
- YUL
Nonstop5h 31m
Air Canada
Deal found 2/2![Air Canada logo]()
$360
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 2/157:12 am
YUL
- SAN
1 stop9h 11m
American Airlines
Sun 2/229:41 pm
SAN
- YUL
1 stop14h 41m
American Airlines
Deal found 1/31![American Airlines logo]()
$372
Best flights from Pierre Elliott Trudeau Intl to San DiegoDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 2/149:15 am
YUL
- SAN
1 stop9h 26m
United Airlines
Fri 2/203:40 pm
SAN
- YUL
2 stops18h 48m
United Airlines
Deal found 1/31![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 1/31. 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.
Tue 4/216:00 am
YUL
- SAN
1 stop11h 20m
Delta
Wed 4/2210:10 pm
SAN
- YUL
1 stop10h 49m
Delta
Deal found 1/31![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/33:45 pm
YUL
- SAN
1 stop9h 49m
American Airlines
Tue 3/1010:00 pm
SAN
- YUL
1 stop12h 45m
American Airlines
Deal found 1/31![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 2/149:15 am
YUL
- SAN
1 stop9h 26m
United Airlines
Sat 2/213:40 pm
SAN
- YUL
2 stops19h 20m
United Airlines
Deal found 1/31![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 4/219:45 am
YUL
- SAN
2 stops14h 45m
United Airlines
Wed 4/2211:00 am
SAN
- YUL
2 stops10h 13m
United Airlines
Deal found 1/31![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/39:15 am
YUL
- SAN
2 stops11h 24m
United Airlines
Tue 3/104:00 pm
SAN
- YUL
2 stops18h 28m
United Airlines
Deal found 1/31![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 2/3. 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 4/12:25 pm
YUL
- SAN
1 stop9h 42m
American Airlines
Wed 4/153:12 pm
SAN
- YUL
1 stop17h 32m
American Airlines
Deal found 2/3![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 2/159:15 am
YUL
- SAN
1 stop9h 26m
United Airlines
Sat 2/218:30 am
SAN
- YUL
1 stop8h 18m
United Airlines
Deal found 1/31![United Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 2/255:25 pm
YUL
- SAN
2 stops19h 59m
United Airlines
Wed 3/41:45 pm
SAN
- YUL
2 stops15h 00m
United Airlines
Deal found 1/31![United Airlines logo]()
$428
Last-minute flights from Pierre Elliott Trudeau Intl to San DiegoDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to San Diego. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to San Diego. Data last updated February 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 2/149:15 am
YUL
- SAN
1 stop9h 26m
United Airlines
Sat 2/213:40 pm
SAN
- YUL
2 stops19h 20m
United Airlines
Deal found 1/31![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 2/157:12 am
YUL
- SAN
1 stop9h 11m
American Airlines
Sun 2/229:41 pm
SAN
- YUL
1 stop14h 41m
American Airlines
Deal found 1/31![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/1812:59 pm
YUL
- SAN
1 stop12h 00m
American Airlines
Tue 3/1010:00 pm
SAN
- YUL
1 stop12h 45m
American Airlines
Deal found 1/31![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 2/255:25 pm
YUL
- SAN
1 stop18h 59m
United Airlines
Wed 3/46:30 am
SAN
- YUL
1 stop7h 28m
United Airlines
Deal found 1/31![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/34:45 pm
YUL
- SAN
1 stop8h 59m
United Airlines
Tue 3/104:00 pm
SAN
- YUL
2 stops18h 28m
United Airlines
Deal found 1/31![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/37:30 am
YUL
- SAN
1 stop14h 54m
American Airlines
Tue 3/1010:00 pm
SAN
- YUL
1 stop12h 45m
American Airlines
Deal found 1/31![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/167:30 am
YUL
- SAN
1 stop17h 29m
American Airlines
Tue 3/3110:35 pm
SAN
- YUL
1 stop13h 23m
American Airlines
Deal found 2/2![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 3/272:25 pm
YUL
- SAN
1 stop9h 42m
American Airlines
Tue 4/73:12 pm
SAN
- YUL
1 stop17h 32m
American Airlines
Deal found 2/2![American Airlines logo]()
$434
One-way flights from Pierre Elliott Trudeau Intl to San DiegoSearch for one-way flight options from Pierre Elliott Trudeau Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Pierre Elliott Trudeau Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Wed 3/256:00 am
YUL
- SAN
1 stop8h 53m
Air Canada
Deal found 2/1![Air Canada logo]()
$188
This United Airlines deal was found by Cheapflights users on 1/31. 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 3/136:00 am
YUL
- SAN
2 stops16h 48m
United Airlines
Deal found 1/31![United Airlines logo]()
$190
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 5/212:30 pm
YUL
- SAN
1 stop14h 03m
American Airlines
Deal found 2/2![American Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:50 am
YUL
- SAN
2 stops15h 05m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$201
This Air Canada deal was found by Cheapflights users on 2/2. 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 5/25:45 pm
YUL
- SAN
Nonstop5h 58m
Air Canada
Deal found 2/2![Air Canada logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:00 am
YUL
- SAN
2 stops16h 03m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$210
This Air Canada deal was found by Cheapflights users on 1/31. 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.
Mon 3/210:30 pm
YUL
- SAN
1 stop16h 23m
Air Canada
Deal found 1/31![Air Canada logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:45 am
YUL
- SAN
2 stops31h 56m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:45 am
YUL
- SAN
3 stops57h 06m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Mon 3/26:25 pm
YUL
- SAN
2 stops21h 14m
United Airlines
Deal found 1/31![United Airlines logo]()
$244
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (American Airlines) |
One-way from | $188 (Air Canada) |
Popular in | November |
Cheapest in | May |
Average price | $361 |
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 February 3, 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
Pierre Elliott Trudeau Intl
Fly to
San Diego
Route
Depart
Return
Price
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sat 2/14
9:15 am-3:41 pm
1 stop9h 26m
San Diego
Fri 2/20
3:40 pm-1:28 pm
2 stops18h 48m
$318
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 4/21
6:00 am-2:20 pm
1 stop11h 20m
San Diego
Wed 4/22
10:10 pm-11:59 am
1 stop10h 49m
$318
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sat 2/14
9:15 am-3:41 pm
1 stop9h 26m
San Diego
Sat 2/21
3:40 pm-2:00 pm
2 stops19h 20m
$318
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 4/21
9:45 am-9:30 pm
2 stops14h 45m
San Diego
Wed 4/22
11:00 am-12:13 am
2 stops10h 13m
$318
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 3/3
9:15 am-5:39 pm
2 stops11h 24m
San Diego
Tue 3/10
4:00 pm-1:28 pm
2 stops18h 28m
$320
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 3/3
3:45 pm-10:34 pm
1 stop9h 49m
San Diego
Tue 3/10
10:00 pm-1:45 pm
1 stop12h 45m
$329
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Wed 4/1
2:25 pm-9:07 pm
1 stop9h 42m
San Diego
Wed 4/15
3:12 pm-11:44 am
1 stop17h 32m
$398
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sun 2/15
9:15 am-3:41 pm
1 stop9h 26m
San Diego
Sat 2/21
8:30 am-7:48 pm
1 stop8h 18m
$416
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Wed 2/25
5:25 pm-10:24 am
2 stops19h 59m
San Diego
Wed 3/4
1:45 pm-7:45 am
2 stops15h 00m
$428
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Fri 3/13
6:00 am-7:48 pm
2 stops16h 48m
$190
Showing 1-10 of 20 results
Compare providers for flights from Pierre Elliott Trudeau Intl to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to San Diego in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
YUL-SAN
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 January 30, 2026.
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 65 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of $134). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in December is currently the most expensive (average of $306). 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.
The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to San Diego trip
Our travel experts
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 February 3, 2026.
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.
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.9
Comfort
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
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Julian
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Alternative routes for Pierre Elliott Trudeau Intl to San Diego
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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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$410 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$245 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$271 | Average$389 | FlexibilityNo cancel fee | On-time71% |