Montreal

$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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YMQ
Mar 5 — Mar 121
We work with more than 300 partners to bring you better travel deals

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 January or May, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from San Diego to Montreal

Cheapest flights from San Diego to Montreal
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 February 3, 2026.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:12 pm
SAN
-
YUL
1 stop17h 32m
American Airlines
Sat 4/1812:30 pm
YUL
-
SAN
1 stop14h 03m
American Airlines
Deal found 2/1$342
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:12 pm
SAN
-
YUL
1 stop17h 32m
American Airlines
Sat 5/212:30 pm
YUL
-
SAN
1 stop14h 03m
American Airlines
Deal found 2/1$352
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.
Wed 6/103:30 pm
SAN
-
YUL
1 stop12h 30m
WestJet
Mon 6/157:15 am
YUL
-
SAN
1 stop9h 55m
WestJet
Deal found 1/31$356
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.
Mon 3/1610:10 pm
SAN
-
YUL
1 stop10h 49m
Delta
Thu 4/27:00 am
YUL
-
SAN
1 stop12h 31m
Delta
Deal found 1/31$373
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 2/186:30 am
SAN
-
YUL
1 stop13h 26m
American Airlines
Tue 2/243:45 pm
YUL
-
SAN
1 stop9h 49m
American Airlines
Deal found 1/31$378
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 2/186:30 am
SAN
-
YUL
2 stops12h 12m
United Airlines
Tue 2/242:13 pm
YUL
-
SAN
1 stop9h 33m
United Airlines
Deal found 1/31$383
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.
Tue 3/1712:40 pm
SAN
-
YUL
1 stop8h 52m
Air Canada
Sun 4/56:00 am
YUL
-
SAN
1 stop8h 53m
Air Canada
Deal found 1/31$384
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 3/164:12 pm
SAN
-
YUL
2 stops20h 04m
United Airlines
Mon 3/309:45 am
YUL
-
SAN
1 stop16h 14m
United Airlines
Deal found 1/31$388
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.
Sat 5/91:15 pm
SAN
-
YUL
1 stop8h 21m
Air Canada
Sat 5/165:45 pm
YUL
-
SAN
Nonstop5h 58m
Air Canada
Deal found 1/31$392
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 3/164:12 pm
SAN
-
YUL
2 stops20h 04m
United Airlines
Tue 3/316:10 am
YUL
-
SAN
2 stops15h 28m
United Airlines
Deal found 1/31$393
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 5/97:00 am
SAN
-
YUL
1 stop11h 26m
United Airlines
Sat 5/169:45 am
YUL
-
SAN
1 stop15h 49m
United Airlines
Deal found 1/31$404

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$342
(American Airlines)

One-way from

$158
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$399

Good round-trip deal

$525 or less

Good one-way deal

$289 or less
Provider with most accurate pricing for San Diego-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for San Diego-Montreal (YMQ) flights.
From San Diego to Montreal (YMQ)
One-way flight from San Diego to Montreal (YMQ)
Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from San Diego to Montreal (YMQ).
Price to beat on a one-way flight from San Diego to Montreal (YMQ).

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 February 3, 2026.
Use the filters below to find and compare flights from San Diego to Montreal that are best for you.

Fly from

San Diego

Fly to

Montreal

Route

Depart

Return

Price

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Fri 4/17

3:12 pm-11:44 am

1 stop17h 32m

Montreal Pierre Elliott Trudeau Intl

Sat 5/2

12:30 pm-11:33 pm

1 stop14h 03m

$352

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 3/17

10:15 pm-3:16 pm

1 stop14h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 4/1

2:20 pm-10:30 pm

2 stops11h 10m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 3/17

10:30 pm-11:37 am

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 3/30

12:42 pm-11:09 pm

1 stop13h 27m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sun 3/15

10:30 pm-11:37 am

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 3/30

4:45 pm-10:59 pm

1 stop9h 14m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 3/17

10:30 pm-11:37 am

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 3/31

12:50 pm-10:59 pm

1 stop13h 09m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sun 3/15

10:30 pm-11:37 am

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 4/1

12:42 pm-11:09 pm

1 stop13h 27m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 3/18

9:55 pm-11:37 am

1 stop10h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 4/1

12:50 pm-10:59 pm

1 stop13h 09m

$373

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 3/11

10:30 pm-2:00 pm

1 stop12h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

2:13 pm-8:45 pm

1 stop9h 32m

$378

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 3/17

10:15 pm-3:16 pm

1 stop14h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 3/24

2:13 pm-8:45 pm

1 stop9h 32m

$378

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 3/17

10:15 pm-3:16 pm

1 stop14h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 3/31

9:45 am-9:30 pm

2 stops14h 45m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

How far ahead should I book a flight from San Diego to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Montreal. Price data was last updated on January 30, 2026.

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 71 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, May is the cheapest month in which you can book a flight from San Diego to Montreal (average of $127). Flying from San Diego to Montreal in October is currently the most expensive (average of $339). 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 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 February 3, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and Air 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.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What airport do you fly from for flights from San Diego to Montreal?

    For a flight from San Diego to Montreal, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 outbound flights to Montreal per day. 4 airlines have flights to Montreal from San Diego on a regular basis.

  • How long is the flight from San Diego to Montreal?

    Airlines like American Airlines, United Airlines, and Delta fly from San Diego to Montreal in about 10h 07m. The time it takes to get you to your destination can typically vary by up to 7h 25m. The distance between San Diego and Montreal is about 2453 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Montreal round-trip?

    Cheapflights users have booked flights from San Diego to Montreal round-trip from $129. Other airlines that can offer you cheap pricing are United Airlines, from $161, and Delta, from $164. These flights start at 71% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Diego to Montreal one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $112. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from San Diego to Montreal for a low price.

  • What are the cheapest flights from San Diego to Montreal?

    Looking at all options, your cheapest flight can be booked for $244. While the most popular route (San Diego - Montreal Pierre Elliott Trudeau Intl) can be booked for $350 on average, our data indicates $547 when flying from San Diego to Montreal.

  • Can I find deals for flights from San Diego to Montreal that include hotel bookings?

    Yes. In addition to deals on San Diego to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Montreal.

  • Can I find deals for business class flights from San Diego to Montreal?

    Yes. Cheapflights offers flight deals from San Diego to Montreal 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 San Diego to Montreal?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Montreal (average of $127). Flying from San Diego to Montreal in October is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Alternative routes for San Diego to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$446FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$161Average$415FlexibilityNo cancel feeOn-time69%
DeltaCheapest$164Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$323Average$524FlexibilityNo cancel feeOn-time71%

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.