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Cheap flights from Montreal to San Diego from C$ 194

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SAN
10 Feb — 17 Feb1
1 adult

The best prices from Montreal to San Diego are usually found in November or October, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap 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 5 February 2025.

Round-trip from

C$ 389

One-way from

C$ 209

Popular in

March

Cheapest in

November

Average price

C$ 723

Good round-trip deal

C$ 371 or less
United Airlines
  • United Airlines
  • 20/5-25/5
  • 3 total stops
  • 21h 25m total
  • Montreal to San Diego
12/3
  • 12/3
  • 2 total stops
  • 13h 29m total
  • Montreal to San Diego
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Montreal (YMQ) to San Diego.

Find flight deals from Montreal to San Diego

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 5 February 2025.

Tue 20/58:30 a.m.YUL - SAN
2 stops12h 22mUnited Airlines
Sun 25/59:20 p.m.SAN - YUL
1 stop9h 03mUnited Airlines
Deal found 4/2C$ 389
Tue 25/212:55 p.m.YUL - SAN
1 stop12h 17mAmerican Airlines
Wed 5/34:30 p.m.SAN - YUL
2 stops19h 15mAmerican Airlines
Deal found 5/2C$ 390
Mon 2/66:45 a.m.YUL - SAN
1 stop9h 10mPorter Airlines
Mon 9/61:55 p.m.SAN - YUL
1 stop7h 42mPorter Airlines
Deal found 4/2C$ 395
Fri 30/54:45 p.m.YUL - SAN
Nonstop6h 00mAir Canada
Mon 16/66:15 a.m.SAN - YUL
1 stop10h 27mAir Canada
Deal found 4/2C$ 396
Tue 4/36:00 a.m.YUL - SAN
1 stop10h 50mDelta
Mon 17/310:30 p.m.SAN - YUL
1 stop10h 05mDelta
Deal found 4/2C$ 397
Wed 5/36:45 a.m.YUL - SAN
1 stop9h 20mMultiple Airlines
Mon 10/39:19 p.m.SAN - YUL
2 stops40h 22mMultiple Airlines
Deal found 4/2C$ 419
Wed 4/67:00 a.m.YUL - SAN
2 stops32h 09mWestJet
Mon 9/61:00 p.m.SAN - YUL
2 stops32h 37mWestJet
Deal found 4/2C$ 429

Find flights from Montreal to San Diego within your budget

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 629,999 searches. Data last updated 5 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

8:30 a.m.-5:52 p.m.

2 stops12h 22m

San Diego

Sun 25/5

9:20 p.m.-9:23 a.m.

1 stop9h 03m

C$ 389

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 25/2

12:55 p.m.-10:12 p.m.

1 stop12h 17m

San Diego

Tue 4/3

4:30 p.m.-3:20 p.m.

2 stops19h 50m

C$ 390

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:45 a.m.-12:55 p.m.

1 stop9h 10m

San Diego

Mon 9/6

1:55 p.m.-12:37 a.m.

1 stop7h 42m

C$ 395

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 30/5

4:45 p.m.-7:45 p.m.

Nonstop6h 00m

San Diego

Mon 16/6

6:15 a.m.-7:42 p.m.

1 stop10h 27m

C$ 396

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 4/3

6:00 a.m.-1:50 p.m.

1 stop10h 50m

San Diego

Mon 17/3

10:30 p.m.-11:35 a.m.

1 stop10h 05m

C$ 397

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 5/3

6:45 a.m.-1:05 p.m.

1 stop9h 20m

San Diego

Mon 10/3

9:19 p.m.-4:41 p.m.

2 stops40h 22m

C$ 419

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

7:00 a.m.-12:09 p.m.

2 stops32h 09m

San Diego

Mon 9/6

1:00 p.m.-12:37 a.m.

2 stops32h 37m

C$ 429

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 12/5

7:00 a.m.-1:20 p.m.

1 stop9h 20m

C$ 194

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

6:45 a.m.-12:55 p.m.

1 stop9h 10m

C$ 207

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

10:00 a.m.-8:29 p.m.

2 stops13h 29m

C$ 209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 15 results
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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.
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.

Travel insights for flights from Montreal to San Diego

Get recent, data-driven insights about flights from Montreal to San Diego including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Montreal to San Diego. Price data was last updated on 31 January 2025.

Booking 56 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.

What is the cheapest month to book a flight from Montreal to San Diego?

Currently, January is the cheapest month in which you can book a flight from Montreal to San Diego (average of C$ 301). Flying from Montreal to San Diego in April is currently the most expensive (average of C$ 516). 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 YMQ to SAN?

Find hourly flight availability from Montreal 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 5 February 2025.

One of the essential ways to save on airfare from Montreal to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Montreal to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Montreal to San Diego. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to San Diego flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 5 February 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and United Airlines from Montreal to San Diego to help guide your decision. 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

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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. 5 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.

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

    Currently priced at C$ 389, United Airlines will fly you from Montreal to San Diego and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Porter Airlines - these airlines can fly you to your destination from C$ 390 and C$ 395, respectively. United Airlines is currently priced 49% 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 Porter Airlines. According to our data, you can fly for as low as C$ 210. Users have also found prices from C$ 216 and C$ 225 on WestJet and Air Canada, respectively.

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

    While on average a flight from Montreal to San Diego is generally C$ 535, our data shows the cheapest flight currently is C$ 317. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San Diego), you can expect to pay C$ 336 for that flight.

  • 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, January is the cheapest month in which you can book a flight from Montreal to San Diego (average of C$ 301). Flying from Montreal to San Diego in April is currently the most expensive (average of C$ 516). 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

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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 5 February 2025.