Find flights
Deals
When to book
Airlines
FAQs
English
Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego from C$ 206
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAN
11 Oct — 18 Oct1
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Diego are usually found in May or December, booked 57 days in advance, depart on a Tuesday 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 11 September 2025.
Find flight deals from Pierre Elliott Trudeau Intl to San Diego
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 11 September 2025.
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 11 September 2025.
Sat 6/126:00 a.m.YUL - SAN
1 stop8h 38mAir Canada
Sun 14/1212:25 p.m.SAN - YUL
1 stop9h 07mAir Canada
Deal found 9/9C$ 418
Thu 30/107:29 a.m.YUL - SAN
1 stop13h 37mAmerican Airlines
Mon 3/1110:23 p.m.SAN - YUL
1 stop12h 23mAmerican Airlines
Deal found 9/9C$ 420
Tue 4/113:00 p.m.YUL - SAN
2 stops11h 44mUnited Airlines
Fri 7/115:50 p.m.SAN - YUL
2 stops16h 38mUnited Airlines
Deal found 9/9C$ 423
Sat 11/106:15 a.m.YUL - SAN
1 stop12h 35mUnited Airlines
Sat 11/107:28 p.m.SAN - YUL
1 stop9h 48mUnited Airlines
Deal found 9/9C$ 435
Tue 7/107:29 a.m.YUL - SAN
1 stop13h 37mAmerican Airlines
Sun 12/106:16 a.m.SAN - YUL
1 stop7h 23mAmerican Airlines
Deal found 9/9C$ 439
Tue 23/912:47 p.m.YUL - SAN
1 stop9h 40mDelta
Wed 1/106:15 a.m.SAN - YUL
1 stop8h 35mDelta
Deal found 9/9C$ 443
Tue 7/106:15 a.m.YUL - SAN
1 stop8h 25mUnited Airlines
Fri 10/1010:30 p.m.SAN - YUL
1 stop9h 10mUnited Airlines
Deal found 9/9C$ 450
Sat 18/109:45 a.m.YUL - SAN
1 stop15h 29mUnited Airlines
Sun 26/1010:30 p.m.SAN - YUL
1 stop12h 30mUnited Airlines
Deal found 9/9C$ 453
Thu 9/109:45 a.m.YUL - SAN
1 stop9h 05mUnited Airlines
Sat 11/106:00 p.m.SAN - YUL
1 stop11h 16mUnited Airlines
Deal found 9/9C$ 455
Sat 20/97:00 a.m.YUL - SAN
3 stops19h 34mMultiple Airlines
Mon 22/96:15 a.m.SAN - YUL
2 stops15h 26mMultiple Airlines
Deal found 9/9C$ 457
Thu 30/106:00 a.m.YUL - SAN
1 stop11h 32mDelta
Mon 3/1110:20 p.m.SAN - YUL
1 stop10h 42mDelta
Deal found 9/9C$ 464
Fri 19/96:15 a.m.YUL - SAN
1 stop15h 05mUnited Airlines
Fri 19/99:45 p.m.SAN - YUL
1 stop19h 00mUnited Airlines
Deal found 9/9C$ 471
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 11 September 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 6/12
3:00 p.m.-11:42 p.m.
2 stops11h 42m
San Diego
Sun 14/12
7:00 p.m.-3:16 p.m.
2 stops17h 16m
C$ 423
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 4/11
3:00 p.m.-11:44 p.m.
2 stops11h 44m
San Diego
Fri 7/11
5:50 p.m.-1:28 p.m.
2 stops16h 38m
C$ 423
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sat 11/10
6:15 a.m.-3:50 p.m.
1 stop12h 35m
San Diego
Sat 11/10
7:28 p.m.-8:16 a.m.
1 stop9h 48m
C$ 435
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sat 18/10
6:15 a.m.-10:14 p.m.
1 stop18h 59m
San Diego
Sun 26/10
8:10 a.m.-4:35 p.m.
Nonstop5h 25m
C$ 443
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Mon 6/10
6:15 a.m.-6:30 p.m.
1 stop15h 15m
San Diego
Tue 14/10
8:39 p.m.-10:40 a.m.
2 stops11h 01m
C$ 443
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sat 11/10
6:15 a.m.-10:14 p.m.
1 stop18h 59m
San Diego
Sat 18/10
8:08 p.m.-8:16 a.m.
1 stop9h 08m
C$ 443
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 7/10
6:15 a.m.-11:40 a.m.
1 stop8h 25m
San Diego
Fri 10/10
10:30 p.m.-10:40 a.m.
1 stop9h 10m
C$ 450
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Wed 25/2
3:00 p.m.-11:13 p.m.
1 stop11h 13m
San Diego
Fri 27/2
10:30 p.m.-1:46 p.m.
1 stop12h 16m
C$ 452
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Thu 30/10
6:00 a.m.-2:32 p.m.
1 stop11h 32m
San Diego
Mon 3/11
10:20 p.m.-12:02 p.m.
1 stop10h 42m
C$ 464
MontrealSan Diego
YUL - SAN
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 23/9
6:15 a.m.-3:03 p.m.
2 stops11h 48m
San Diego
Tue 23/9
5:56 p.m.-8:16 a.m.
1 stop11h 20m
C$ 478
Showing 1-10 of 20 results
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
Prices
More
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 29 August 2025.
Booking 30 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Diego (average of C$ 289). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Diego in November is currently the most expensive (average of C$ 390). 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 11 September 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 38% 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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?
Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 38% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to San Diego on Cheapflights.
What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?
Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 25m.
What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?
Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 25m.
Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego?
Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 11m.
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 11 September 2025.
Read reviews from past customers who have flown Delta,Porter Airlines, 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
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Boarding
8.2
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.
Travelling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsBorrego Springs
El Cajon
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 11 September 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 11 September 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to San Diego?
Cheapflights helps you search for flights from Pierre Elliott Trudeau Intl to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to San Diego?
Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
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.
Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to San Diego become cheaper?
Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.