Montreal

$123+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YMQ
Jul 8 — Jul 151
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Cheapflights Tip: The best prices from San Diego to Montreal are usually found in May or January, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap 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 July 3, 2025.

Round-trip from

$306
(Trip.com)

One-way from

$123
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$582

Good round-trip deal

$552 or less

Good one-way deal

$166 or less
From San Diego to Montreal (YMQ)
One-way flight from San Diego to Montreal (YMQ)
Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in July 2025
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).

Find 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 July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/3. 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.
Sun 9/211:00 pmSAN - YUL
1 stop15h 07mWestJet
Sat 9/275:30 pmYUL - SAN
2 stops21h 38mWestJet
Deal found 7/3$306
This Air Canada deal was found by Cheapflights users on 7/1. 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 10/88:10 amSAN - YUL
Nonstop5h 30mAir Canada
Tue 10/214:45 pmYUL - SAN
Nonstop5h 50mAir Canada
Deal found 7/1$308
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:11 pmSAN - YUL
1 stop9h 05mUnited Airlines
Sun 9/76:30 pmYUL - SAN
1 stop16h 25mUnited Airlines
Deal found 7/2$329
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/211:00 pmSAN - YUL
1 stop15h 08mMultiple Airlines
Tue 7/221:10 pmYUL - SAN
2 stops29h 49mMultiple Airlines
Deal found 7/2$360
This Delta deal was found by Cheapflights users on 7/3. 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 10/2010:30 pmSAN - YUL
1 stop10h 45mDelta
Sun 11/27:00 amYUL - SAN
1 stop13h 28mDelta
Deal found 7/3$388

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 July 3, 2025.
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

Sun 9/21

1:00 pm-7:07 am

1 stop15h 07m

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

5:30 pm-12:08 pm

2 stops21h 38m

$306

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 10/8

8:10 am-4:40 pm

Nonstop5h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

4:45 pm-7:35 pm

Nonstop5h 50m

$308

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 9/3

8:11 pm-8:16 am

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

6:30 pm-7:55 am

1 stop16h 25m

$329

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Mon 7/21

1:00 pm-7:08 am

1 stop15h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 7/22

1:10 pm-3:59 pm

2 stops29h 49m

$360

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Mon 10/20

10:30 pm-12:15 pm

1 stop10h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

7:00 am-5:28 pm

1 stop13h 28m

$388

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 9/17

12:35 pm-7:10 am

2 stops15h 35m

$123

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Thu 8/28

11:15 am-12:43 am

1 stop10h 28m

$130

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sun 9/7

8:11 pm-8:16 am

1 stop9h 05m

$133

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Thu 9/18

7:16 pm-10:15 pm

3 stops23h 59m

$136

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sun 8/31

6:15 am-5:43 pm

1 stop8h 28m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 11 results
1
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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 June 27, 2025.

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 68 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, January is the cheapest month in which you can book a flight from San Diego to Montreal (average of $270). Flying from San Diego to Montreal in July is currently the most expensive (average of $409). 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 July 3, 2025.

When flying from San Diego to Montreal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 63% versus a flight in the morning.

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

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 1 outbound flight to Montreal per day. 5 airlines have flights to Montreal from San Diego on a regular basis.

  • 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 $306. Other airlines that can offer you cheap pricing are Air Canada, from $308, and United Airlines, from $329. These flights start at 35% 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 $123. However, be on the lookout for offers from WestJet and United Airlines, 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 $112. While the most popular route (San Diego - Montreal Pierre Elliott Trudeau Intl) can be booked for $303 on average our data indicates $1,648 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, January is the cheapest month in which you can book a flight from San Diego to Montreal (average of $270). Flying from San Diego to Montreal in July is currently the most expensive (average of $409). 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

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Alternative routes for San Diego to Montreal

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

Top 5 airlines flying from San Diego to Montreal

Discover the top 5 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$154Average$632FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$167Average$485FlexibilityNo cancel feeOn-time67%
DeltaCheapest$170Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$324Average$526FlexibilityNo cancel feeOn-time71%

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