$158+ Cheap flights from San Diego (SAN) to Montreal (YMQ)
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YMQ
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Montreal 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 San Diego to Montreal are usually found in September or August, booked 36 days in advance, depart on a Tuesday or Sunday and return on a Sunday
Cheap flight deals from San Diego to Montreal
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to MontrealExplore the most affordable flight options available from San Diego to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from San Diego to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:30 pm
SAN
- YUL
1 stop12h 35m
WestJet
Mon 10/57:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Deal found 5/3![WestJet logo]()
$350
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:30 pm
SAN
- YUL
1 stop12h 35m
Multiple Airlines
Sun 10/45:45 pm
YUL
- SAN
Nonstop5h 51m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$355
This Air Canada deal was found by Cheapflights users on 5/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am
SAN
- YUL
Nonstop5h 27m
Air Canada
Thu 9/245:45 pm
YUL
- SAN
Nonstop5h 51m
Air Canada
Deal found 5/3![Air Canada logo]()
$369
This Justfly.com deal was found by Cheapflights users on 5/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:30 pm
SAN
- YUL
1 stop12h 35m
WestJet
Tue 9/157:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Deal found 5/2![WestJet logo]()
$371
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:30 pm
SAN
- YUL
1 stop12h 35m
WestJet
Sun 9/278:00 pm
YUL
- SAN
1 stop21h 10m
WestJet
Deal found 5/2![WestJet logo]()
$382
This Air Canada deal was found by Cheapflights users on 5/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:10 pm
SAN
- YUL
1 stop9h 41m
Air Canada
Thu 9/245:45 pm
YUL
- SAN
Nonstop5h 51m
Air Canada
Deal found 5/3![Air Canada logo]()
$383
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:30 pm
SAN
- YUL
1 stop12h 35m
WestJet
Sun 10/48:00 pm
YUL
- SAN
1 stop21h 10m
WestJet
Deal found 5/2![WestJet logo]()
$388
This FlightHub deal was found by Cheapflights users on 5/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 pm
SAN
- YUL
1 stop11h 05m
WestJet
Wed 9/97:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Deal found 5/2![WestJet logo]()
$390
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:05 pm
SAN
- YUL
1 stop13h 04m
United Airlines
Thu 9/242:20 pm
YUL
- SAN
1 stop9h 09m
United Airlines
Deal found 5/1![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 9/1910:30 pm
SAN
- YUL
1 stop10h 46m
Delta
Sun 10/47:00 am
YUL
- SAN
1 stop11h 21m
Delta
Deal found 5/4![Delta logo]()
$395
Best flights from San Diego to MontrealDiscover carefully curated flight deals from San Diego to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from San Diego to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:05 pm
SAN
- YUL
1 stop13h 04m
United Airlines
Thu 9/242:20 pm
YUL
- SAN
1 stop9h 09m
United Airlines
Deal found 5/1![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 8/296:15 am
SAN
- YUL
1 stop7h 05m
Delta
Mon 9/77:00 am
YUL
- SAN
1 stop11h 21m
Delta
Deal found 5/5![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:00 pm
SAN
- YUL
2 stops12h 16m
United Airlines
Sat 10/36:35 pm
YUL
- SAN
1 stop8h 54m
United Airlines
Deal found 5/1![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:15 pm
SAN
- YUL
1 stop10h 42m
Delta
Fri 6/266:00 am
YUL
- SAN
1 stop11h 12m
Delta
Deal found 5/1![Delta logo]()
$482
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/146:28 pm
SAN
- YUL
2 stops13h 12m
United Airlines
Fri 9/189:45 am
YUL
- SAN
2 stops13h 10m
United Airlines
Deal found 5/5![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:00 am
SAN
- YUL
1 stop12h 57m
Delta
Mon 6/85:07 pm
YUL
- SAN
1 stop8h 03m
Delta
Deal found 5/3![Delta logo]()
$483
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:05 pm
SAN
- YUL
1 stop13h 04m
United Airlines
Sat 7/49:45 am
YUL
- SAN
1 stop15h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:00 am
SAN
- YUL
1 stop12h 52m
Delta
Mon 8/107:00 am
YUL
- SAN
1 stop13h 04m
Delta
Deal found 5/3![Delta logo]()
$496
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:32 am
SAN
- YUL
2 stops14h 41m
United Airlines
Wed 6/103:25 pm
YUL
- SAN
1 stop11h 15m
United Airlines
Deal found 5/3![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 5/6. 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 8/1410:40 pm
SAN
- YUL
1 stop9h 00m
United Airlines
Mon 8/249:15 am
YUL
- SAN
1 stop8h 42m
United Airlines
Deal found 5/6![United Airlines logo]()
$517
Last-minute flights from San Diego to MontrealDiscover last-minute flight deals from San Diego to Montreal. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Montreal. Data last updated May 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 5/1110:40 pm
SAN
- YUL
1 stop10h 04m
American Airlines
Wed 5/131:03 pm
YUL
- SAN
1 stop12h 46m
American Airlines
Deal found 5/3![American Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Fri 5/153:30 pm
SAN
- YUL
2 stops23h 50m
WestJet
Sun 6/77:15 am
YUL
- SAN
1 stop9h 55m
WestJet
Deal found 5/3![WestJet logo]()
$454
This Air Canada deal was found by Cheapflights users on 5/2. 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.
Fri 5/151:15 pm
SAN
- YUL
1 stop8h 16m
Air Canada
Mon 5/185:45 pm
YUL
- SAN
Nonstop5h 58m
Air Canada
Deal found 5/2![Air Canada logo]()
$473
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:41 pm
SAN
- YUL
1 stop8h 16m
Delta
Mon 5/185:06 pm
YUL
- SAN
1 stop7h 54m
Delta
Deal found 5/2![Delta logo]()
$485
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/153:09 pm
SAN
- YUL
1 stop17h 35m
American Airlines
Mon 5/182:32 pm
YUL
- SAN
1 stop9h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Fri 5/153:30 pm
SAN
- YUL
1 stop29h 15m
WestJet
Mon 6/85:45 pm
YUL
- SAN
2 stops23h 25m
WestJet
Deal found 5/3![WestJet logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Fri 5/153:30 pm
SAN
- YUL
1 stop29h 15m
WestJet
Wed 6/105:45 pm
YUL
- SAN
2 stops23h 25m
WestJet
Deal found 5/3![WestJet logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 5/169:59 pm
SAN
- YUL
2 stops22h 46m
Multiple Airlines
Sat 6/137:15 am
YUL
- SAN
1 stop9h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:00 am
SAN
- YUL
1 stop12h 57m
Delta
Wed 6/107:00 am
YUL
- SAN
1 stop12h 56m
Delta
Deal found 5/3![Delta logo]()
$484
One-way flights from San Diego to MontrealSearch for one-way flight options from San Diego to Montreal. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from San Diego to Montreal. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This deal was found by Cheapflights users on 5/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
SAN
- YUL
Nonstop5h 27m
Air Canada
Deal found 5/3![Air Canada logo]()
$158
This deal was found by Cheapflights users on 5/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:30 pm
SAN
- YUL
1 stop12h 35m
WestJet
Deal found 5/3![WestJet logo]()
$164
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 pm
SAN
- YUL
1 stop10h 46m
Delta
Deal found 5/1![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:41 pm
SAN
- YUL
1 stop9h 35m
United Airlines
Deal found 5/3![United Airlines logo]()
$168
This Air Canada deal was found by Cheapflights users on 5/4. 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 9/97:00 am
SAN
- YUL
Nonstop5h 27m
Air Canada
Deal found 5/4![Air Canada logo]()
$181
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/1210:20 pm
SAN
- YUL
1 stop11h 49m
United Airlines
Deal found 5/5![United Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 5/4. 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 9/97:48 am
SAN
- YUL
1 stop11h 56m
American Airlines
Deal found 5/4![American Airlines logo]()
$191
This Justfly.com deal was found by Cheapflights users on 5/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:00 pm
SAN
- YUL
1 stop11h 05m
WestJet
Deal found 5/4![WestJet logo]()
$194
This Air Canada deal was found by Cheapflights users on 5/2. 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 5/167:00 am
SAN
- YUL
Nonstop5h 31m
Air Canada
Deal found 5/2![Air Canada logo]()
$203
Find flight deals from San Diego to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Montreal (YMQ). 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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $350 (Trip.com) |
One-way from | $158 |
Popular in | June |
Cheapest in | September |
Average price | $446 |
Good round-trip deal | $466 or less |
Good one-way deal | $204 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Montreal 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 May 6, 2026.
Use the filters below to find and compare flights from San Diego to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Sat 9/19
9:05 pm-1:09 pm
1 stop13h 04m
Montreal Pierre Elliott Trudeau Intl
Thu 9/24
2:20 pm-8:29 pm
1 stop9h 09m
$394
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Fri 9/25
5:00 pm-8:16 am
2 stops12h 16m
Montreal Pierre Elliott Trudeau Intl
Sat 10/3
6:35 pm-12:29 am
1 stop8h 54m
$400
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Mon 9/14
6:28 pm-10:40 am
2 stops13h 12m
Montreal Pierre Elliott Trudeau Intl
Fri 9/18
9:45 am-7:55 pm
2 stops13h 10m
$457
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Sat 8/29
6:15 am-4:20 pm
1 stop7h 05m
Montreal Pierre Elliott Trudeau Intl
Mon 9/7
7:00 am-3:21 pm
1 stop11h 21m
$480
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Mon 6/22
10:15 pm-11:57 am
1 stop10h 42m
Montreal Pierre Elliott Trudeau Intl
Fri 6/26
6:00 am-2:12 pm
1 stop11h 12m
$482
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Mon 6/1
8:00 am-11:57 pm
1 stop12h 57m
Montreal Pierre Elliott Trudeau Intl
Mon 6/8
5:07 pm-10:10 pm
1 stop8h 03m
$483
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Sun 6/28
9:05 pm-1:09 pm
1 stop13h 04m
Montreal Pierre Elliott Trudeau Intl
Sat 7/4
9:45 am-10:34 pm
1 stop15h 49m
$496
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Tue 7/7
8:00 am-11:52 pm
1 stop12h 52m
Montreal Pierre Elliott Trudeau Intl
Mon 8/10
7:00 am-5:04 pm
1 stop13h 04m
$496
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Sat 5/16
6:32 am-12:13 am
2 stops14h 41m
Montreal Pierre Elliott Trudeau Intl
Wed 6/10
3:25 pm-11:40 pm
1 stop11h 15m
$511
Quickest round-trip
San DiegoMontreal
SAN - YUL
SANYUL
San Diego
Fri 8/14
10:40 pm-10:40 am
1 stop9h 00m
Montreal Pierre Elliott Trudeau Intl
Mon 8/24
9:15 am-2:57 pm
1 stop8h 42m
$517
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Diego to Montreal
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 San Diego to Montreal in May.
| 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 San Diego-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Montreal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Montreal 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 San Diego-Montreal 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 San Diego to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from San Diego with our price prediction graph.
SAN-YMQ
SAN-YUL
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 San Diego to Montreal
SAN-YMQ
SAN-YUL
How far ahead should I book a flight from San Diego to Montreal?
The price you pay for your flight from San Diego to Montreal 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 San Diego to Montreal?
Currently, July is the cheapest month in which you can book a flight from San Diego to Montreal (average of $126). Flying from San Diego to Montreal in November is currently the most expensive (average of $342). 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 SAN to YMQ?
Find hourly flight availability from San Diego to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Montreal as you normally would.
How much does it cost to fly round-trip from San Diego to Montreal?
Reviews of airlines servicing Montreal
Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated May 6, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAir Canada from San Diego to Montreal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to Montreal
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Complete your trip
Complete your trip to Montreal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Montreal by cabin class
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Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 6, 2026.
San Diego and Montreal flights
Browse other San Diego and Montreal flight options. Last updated on May 6, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Diego to Montreal
Discover the top 4 airlines that operate flights from San Diego to Montreal. 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$203 | Average$513 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$258 | Average$525 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$524 | FlexibilityNo cancel fee | On-time71% |