Cheap flights from Montreal to San Diego from C$ 301
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SAN
29 Nov — 6 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to San Diego are usually found in November or September, booked 21 days in advance, depart on a Wednesday or Thursday and return on a Monday
Cheap flight deals from Montreal to San Diego
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Montreal to San Diego
Explore the most affordable flight options available from Montreal to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.
Sun 22/117:30 a.m. -
1 stop11h 55m
Tue 1/125:00 p.m. -
1 stop11h 50m
Deal found 25/10C$ 515
Mon 9/119:20 p.m. -
1 stop17h 40m
Wed 11/1112:55 p.m. -
1 stop8h 30m
Deal found 25/10C$ 571
Fri 20/117:30 a.m. -
1 stop11h 55m
Thu 26/1112:55 p.m. -
1 stop8h 30m
Deal found 28/10C$ 593
Mon 9/115:50 p.m. -
1 stop18h 20m
Mon 16/1110:30 p.m. -
1 stop8h 47m
Deal found 25/10C$ 601
Tue 8/127:30 a.m. -
1 stop11h 40m
Wed 9/1212:55 p.m. -
1 stop8h 30m
Deal found 29/10C$ 603
Tue 15/126:00 a.m. -
1 stop12h 12m
Tue 15/126:23 p.m. -
2 stops16h 05m
Deal found 25/10C$ 615
Sun 13/127:30 a.m. -
1 stop11h 40m
Mon 14/1212:55 p.m. -
1 stop8h 30m
Deal found 25/10C$ 622
Mon 9/1112:50 p.m. -
1 stop12h 20m
Mon 16/118:00 a.m. -
1 stop12h 48m
Deal found 26/10C$ 624
Sat 21/117:10 a.m. -
2 stops18h 23m
Fri 27/116:15 a.m. -
1 stop10h 32m
Deal found 28/10C$ 628
Best flights from Montreal to San Diego
Discover carefully curated flight deals from Montreal to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Thu 12/112:13 p.m. -
2 stops11h 17m
Fri 13/117:41 p.m. -
2 stops15h 19m
Deal found 26/10C$ 624
Sun 15/116:00 a.m. -
1 stop11h 29m
Mon 23/118:00 a.m. -
1 stop12h 48m
Deal found 29/10C$ 643
Thu 28/112:43 p.m. -
1 stop13h 50m
Wed 3/26:15 a.m. -
2 stops14h 29m
Deal found 25/10C$ 703
Wed 11/119:15 a.m. -
2 stops11h 00m
Mon 16/117:41 p.m. -
2 stops11h 36m
Deal found 26/10C$ 708
Mon 1/26:00 a.m. -
1 stop11h 44m
Wed 3/211:43 a.m. -
1 stop9h 01m
Deal found 25/10C$ 703
Wed 6/19:15 a.m. -
2 stops11h 43m
Mon 11/16:45 a.m. -
2 stops11h 57m
Deal found 26/10C$ 722
Fri 29/17:00 a.m. -
1 stop14h 18m
Sun 7/210:20 p.m. -
1 stop10h 16m
Deal found 25/10C$ 703
Tue 26/16:00 a.m. -
2 stops15h 28m
Wed 3/28:00 a.m. -
2 stops10h 42m
Deal found 26/10C$ 722
Sat 30/17:05 a.m. -
1 stop9h 31m
Sat 6/210:20 p.m. -
1 stop10h 16m
Deal found 25/10C$ 703
Wed 6/16:00 a.m. -
2 stops17h 42m
Wed 13/17:00 p.m. -
2 stops16h 00m
Deal found 26/10C$ 722
Fri 29/112:43 p.m. -
1 stop11h 07m
Thu 4/27:30 a.m. -
2 stops13h 14m
Deal found 25/10C$ 740
Last-minute flights from Montreal to San Diego
Discover last-minute flight deals from Montreal to San Diego. Data last updated 30 October 2026 and is based on user searches.
Mon 9/119:20 p.m. -
1 stop17h 40m
Wed 11/1112:55 p.m. -
1 stop8h 30m
Deal found 25/10C$ 571
Mon 9/115:50 p.m. -
1 stop18h 20m
Mon 16/1110:30 p.m. -
1 stop8h 47m
Deal found 25/10C$ 601
Mon 9/1112:50 p.m. -
1 stop12h 20m
Mon 16/118:00 a.m. -
1 stop12h 48m
Deal found 26/10C$ 624
Tue 10/116:00 a.m. -
1 stop9h 00m
Tue 17/1112:55 p.m. -
1 stop10h 01m
Deal found 26/10C$ 639
Fri 13/116:00 a.m. -
1 stop11h 29m
Mon 23/118:00 a.m. -
1 stop12h 48m
Deal found 28/10C$ 622
Sat 14/1112:10 p.m. -
1 stop10h 05m
Mon 23/1110:45 p.m. -
1 stop9h 41m
Deal found 29/10C$ 632
Fri 20/117:30 a.m. -
1 stop11h 55m
Thu 26/1112:55 p.m. -
1 stop8h 30m
Deal found 28/10C$ 593
Sat 21/117:10 a.m. -
2 stops18h 23m
Fri 27/116:15 a.m. -
1 stop10h 32m
Deal found 28/10C$ 628
Sun 22/117:30 a.m. -
1 stop11h 55m
Tue 1/125:00 p.m. -
1 stop11h 50m
Deal found 25/10C$ 515
One-way flights from Montreal to San Diego
Search for one-way flight options from Montreal to San Diego. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.
Fri 13/117:30 a.m. -
1 stop11h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 25/10C$ 301
Mon 23/116:45 a.m. -
2 stops32h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 312
Sat 16/17:05 a.m. -
3 stops34h 33m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/10C$ 329
Wed 11/116:00 a.m. -
1 stop11h 29m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/10C$ 343
Fri 11/124:40 p.m. -
2 stops32h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 27/10C$ 344
Mon 16/114:40 p.m. -
2 stops20h 54m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 25/10C$ 345
Thu 10/126:45 a.m. -
2 stops14h 31m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 351
Find flight deals from Montreal to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 30 October 2026.
Customize your flight search to find flights from Montreal 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 7,457,451 searches. Data last updated 30 October 2026.
Use the filters below to find and compare flights from Montreal to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Mon 14/12
7:30 a.m.-4:10 p.m.
1 stop11h 40m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 333
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Wed 11/11
9:15 a.m.-10:27 p.m.
2 stops16h 12m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 352
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sun 15/11
6:00 a.m.-2:29 p.m.
1 stop11h 29m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 352
Quickest round-trip
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Mon 23/11
6:00 a.m.-11:27 a.m.
1 stop8h 27m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 354
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Thu 12/11
7:00 a.m.-4:33 p.m.
1 stop12h 33m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 354
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Tue 10/11
6:00 a.m.-6:37 p.m.
3 stops15h 37m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 354
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Fri 13/11
7:00 a.m.-5:15 p.m.
2 stops13h 15m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 354
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Thu 31/12
4:45 p.m.-9:14 a.m.
2 stops19h 29m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 361
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Fri 20/11
6:00 a.m.-5:17 p.m.
2 stops14h 17m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 361
MontrealSan Diego
YUL Montreal Pierre Elliott Trudeau Intl - SAN San Diego
YULSAN
Montreal Pierre Elliott Trudeau Intl
Sun 13/12
6:00 a.m.-5:37 p.m.
2 stops14h 37m
San Diego
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 364
Flights are sorted by cheapest round-trip flights first.
Deals found on 29/10
Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Montreal to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Montreal with our price prediction graph.
YMQ-SAN
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 to San Diego
YMQ-SAN
YUL-SAN
What is the cheapest month to book a flight from Montreal to San Diego?
Currently, October is the cheapest month in which you can book a flight from Montreal to San Diego (average of C$ 583). Flying from Montreal to San Diego in December is currently the most expensive (average of C$ 773). 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 to San Diego?
Airfare is below average for this route at the moment.
Montreal to San Diego flights typically cost between C$ 587 and C$ 664 in November.The cheapest round-trip price found within the last 5 days was C$ 515 on Air Canada (22 Nov-1 Dec).
What’s the top layover airport for flights from Montreal to San Diego?
Share of one-stop round-trip flights from Montreal to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Philadelphia (PHL) – chosen by Cheapflights users on 27% of one-stop itineraries from Montreal to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Montreal to San Diego?
Average round-trip fare for 1-stop flights from Montreal to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 574.
What’s the fastest layover option from Montreal to San Diego?
Shortest average travel time for 1-stop one-way flights from Montreal 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: 7h 46m.
Which airport typically offers the quickest layover for flights from Montreal to San Diego?
Average layover duration for 1-stop one-way flights from Montreal 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 06m.
How far ahead should I book a flight from Montreal to San Diego?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 30 October 2026.
Check out reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Montreal to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
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 Montreal 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?
San Diego (SAN), located 4.2 km from the city centre, is the airport you fly into when you book flights from Montreal to San Diego. 4 airlines have flights to San Diego from Montreal on a regular basis. Booking flights from Montreal to San Diego should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.
How long is the flight from Montreal to San Diego?
Departing from Montreal to San Diego will take you 11h 17m. Montreal and San Diego are separated by a distance of 3948 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Montreal to San Diego round-trip?
Currently priced at C$ 245, Air Canada will fly you from Montreal to San Diego and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from C$ 259 and C$ 351, respectively. Air Canada is currently priced 65% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Montreal to San Diego one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 172. Users have also found prices from C$ 271 and C$ 292 on American Airlines and Air Canada, respectively.
Can I find deals for flights from Montreal to San Diego that include hotel bookings?
Yes. In addition to deals on Montreal to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to San Diego.
Can I find deals for business class flights from Montreal to San Diego?
Yes. Cheapflights offers flight deals from Montreal 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 to San Diego?
Currently, October is the cheapest month in which you can book a flight from Montreal to San Diego (average of C$ 583). Flying from Montreal to San Diego in December is currently the most expensive (average of C$ 773). 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.
Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs
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.
Airlines
Alternative routes
Complete your trip
Direct flights to California
Flights by cabin class
Other flight options
Other flights from Montreal
Popular flights
San Diego flight routes
Fly from Montreal to San Diego on these airlines
Choose from the following airlines for your flight from Montreal to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Browse through other flights departing from Montreal. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Discover the top 4 airlines that operate flights from Montreal 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 7,457,451 searches. Data last updated 30 October 2026.
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 Montreal to San Diego?
Cheapflights helps you search for flights from Montreal 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 Montreal to San Diego?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to San Diego for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Montreal to San Diego with no change fees?
Yes! Cheapflights helps users easily find flights from Montreal to San Diego with no change fees.
Can Cheapflights notify me if prices for flights from Montreal to San Diego become cheaper?
Of course! You can now track prices for flights from Montreal 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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.