Prices are in Canadian Dollars.

Cheap flights from Longueuil to San Diego

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The best prices from Longueuil to San Diego are usually found in August or July, booked 35 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Longueuil (YMQ) to San Diego (SAN)

YMQ - SAN
Price
C$ 377 - C$ 736
SAN
Temperature
19 - 27 °C
SAN
Rainfall
1 - 70 mm

Popular in

December

High demand for flights, 33% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

C$ 377

From Longueuil to San Diego

One-way from

C$ 258

One-way flight from Longueuil to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Longueuil to San Diego?

Flights from Longueuil to San Diego are generally found to be more expensive on Sunday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

How far in advance should I book a flight from Longueuil to San Diego?

Travellers have found it’s best to book a flight 13 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 13 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Longueuil to San Diego 1-2 weeks in advance for as low as C$ 503, or C$ 507 for flights within the next 24 hours.

What is the cheapest month to fly from Longueuil to San Diego?

Flights from Longueuil to San Diego lean towards being more expensive in December. Prices are generally better when you fly from Longueuil to San Diego in April, with the cheapest ticket starting at C$ 373.

When is the cheapest time to fly from Longueuil to San Diego (YMQ - SAN)?

It’s typically best to fly out from Longueuil to San Diego in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Longueuil to San Diego in January, February 2021

The best prices found for YMQ to SAN flights for January, February
13 Feb - 20 Feb
C$ 441pp
YUL
Montreal Pierre Elliott Trudeau Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
16 Feb - 2 Mar
C$ 447pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
16 Feb - 2 Mar
C$ 452pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl

Longueuil to San Diego 2021 flight deals

Cheap flights to San Diego from Longueuil found for this year
18 Apr - 21 Apr
C$ 438pp
YUL
Montreal Pierre Elliott Trudeau Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
18 Apr - 21 Apr
C$ 439pp
YUL
Montreal Pierre Elliott Trudeau Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
13 Feb - 20 Feb
C$ 441pp
YUL
Montreal Pierre Elliott Trudeau Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl

One-way flights to San Diego from Longueuil

The cheapest one-way flights from Longueuil to San Diego
9:00 a.m. - 3:50 p.m.
United Airlines
1 stop
9h 50m
YUL - SAN
United Airlines
C$ 258
United
8:35 a.m. - 4:43 p.m.
Delta
1 stop
11h 08m
YUL - SAN
Delta
C$ 260
Delta
6:30 p.m. - 7:41 a.m.
Multiple Airlines
3 stops
40h 11m
YUL - SAN
Multiple Airlines
C$ 426
Kiwi.com

Related info for your journey

Useful info, stats and facts about Longueuil to San Diego flights.

Flight FAQs

From Longueuil to San Diego

Can I find flights from Longueuil to San Diego for under C$ 508 on Cheapflights?

Yes, there are multiple flights from Longueuil to San Diego for under C$ 508. The cheapest flight booked recently is on United Airlines for just C$ 438, but on average you can expect to pay C$ 545.

What safety measures are being taken by airlines flying from Montreal to San Diego to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from Montreal to San Diego include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Montreal to San Diego have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Montreal to San Diego that may be offering flexible cancellation policies are United Airlines, American Airlines, and Air Canada. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Longueuil to San Diego for under C$ 381 on Cheapflights?

There are no direct flights from Longueuil to San Diego, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Montreal weather warmer or cooler than San Diego?

You can imagine temperatures to be in the 27 °C range in August. The weather in San Diego is generally the same as Montreal's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Longueuil to San Diego?

Departing from Longueuil to San Diego will take you 8h. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

United Airlines, at C$ 439, was found to be the cheapest airline from Longueuil to San Diego.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Longueuil to San Diego for 11% less than the average price by searching for these airlines.

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

C$ 254 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta, with prices from C$ 260.

Destination information for San Diego

Things to know before you go. Useful info for your trip from Longueuil to San Diego
Today's exchange rate
C$ 1 = $0.79
Average temperature for January in San Diego
20.0 °C
Avg rainfall for January in San Diego
68.0 mm

Airports servicing Montreal

Saint-Hubert Airport (YHU)

Airports servicing San Diego

Top 6 airlines flying from Longueuil to San Diego

The chart below displays the airlines Cheapflights users travelling from Longueuil to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Transat
C$ 260 C$ 357 No cancel fee 50%
Search Air Transat flights
WestJet
C$ 218 C$ 386 No cancel fee 60%
Search WestJet flights
American Airlines
C$ 250 C$ 392 No cancel fee 71%
Search American Airlines flights
Delta
C$ 231 C$ 436 No cancel fee N/A
Search Delta flights
United Airlines
C$ 280 C$ 480 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 267 C$ 484 No cancel fee 67%
Search Air Canada flights
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