Cheap flights from Montreal, Canada to San Diego, CA

Flights starting at CA$274. Choose between United Airlines, Alaska Airlines, or Porter Airlines to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to San Diego

Mailbox
Receive exclusive deals by email
Travelers usually depart from Montréal–Pierre Elliott Trudeau International, or Montreal Saint-Hubert Longueuil when they travel from Montreal to San Diego. Book your trip to arrive at San Diego International, San Diego, CA - La Jolla, San Diego, CA - Old Town, San Diego, CA - Seaport Village, or San Diego-SDSU Transit Center. The most popular airlines for this route are United Airlines, Alaska Airlines, Porter Airlines, Spirit Airlines, and Flair Airlines. Montreal and San Diego have 159 direct flights per week.

Check-in for a flight from Montreal to San Diego

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Porter AirlinesPOEPDYes0
0
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Flair AirlinesFLEF8YesOpens 24 days before flight
Closes 1 hours before flight

Weather in San Diego

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C10°C
February17°C10°C
March18°C11°C
April19°C12°C
May20°C14°C
June22°C16°C
July24°C18°C
August25°C19°C
September25°C19°C
October23°C16°C
November21°C13°C
December17°C11°C
Hottest Month
25°C
August
Coldest month
10°C
February
Sunny days
344
days per year

14 day forecast

Sunday
25 Feb
18°C15°C
3 Mar
88%
14°C11°C
Monday
26 Feb
85%
17°C14°C
4 Mar
17°C10°C
Tuesday
27 Feb
88%
17°C14°C
5 Mar
17°C11°C
Wednesday
28 Feb
18°C13°C
6 Mar
16°C12°C
Thursday
29 Feb
18°C13°C
7 Mar
16°C12°C
Friday
1 Mar
84%
16°C14°C
8 Mar
16°C12°C
Saturday
2 Mar
85%
16°C12°C
9 Mar
16°C13°C

Frequently asked questions

What are the most popular routes to and from Montreal?
What are the most popular routes to and from San Diego?
Which airports are there in Montreal?
What airports are near Montreal?
What airports are near San Diego?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Montreal and San Diego?
What is Virtual Interlining and how do I use it?
Which airlines fly between Montreal and San Diego?
When's the best time to travel between Montreal and San Diego?
What flights operate between Montreal and San Diego?
How many airports are there near Montreal?
How many airports are there near San Diego?
What time do nonstop (direct) flights between Montreal and San Diego depart?
What time do nonstop (direct) flights between Montreal and San Diego arrive?
What time do flights between Montreal and San Diego depart?
What time do flights between Montreal and San Diego arrive?

Explore alternative trips

Flights from Montreal

Flights to San Diego

Popular routes

Find the best connection from Montreal to San Diego
Search flights, trains & buses
We hack the system,
you fly for less