Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to San Diego from C$ 205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to San Diego departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montreal to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:45 a.m. - 1:20 p.m.
YUL
-
SAN
9h 35m
1 stop
WestJet Logo
11:15 a.m. - 12:42 a.m.
SAN
-
YUL
10h 27m
1 stop
C$ 382WestJet
Mon, 22 Jun - Thu, 25 Jun
Air Canada Logo
6:00 a.m. - 11:53 a.m.
YUL
-
SAN
8h 53m
1 stop
Air Canada Logo
7:00 a.m. - 3:33 p.m.
SAN
-
YUL
5h 33mdirect
C$ 389Air Canada
Tue, 3 Mar - Mon, 27 Jul
American Airlines Logo
7:30 a.m. - 10:58 p.m.
YUL
-
SAN
18h 28m
1 stop
American Airlines Logo
6:30 a.m. - 10:56 p.m.
SAN
-
YUL
13h 26m
1 stop
C$ 390American Airlines
Wed, 11 Feb - Wed, 18 Feb
United Airlines Logo
6:10 a.m. - 6:41 p.m.
YUL
-
SAN
15h 31m
1 stop
United Airlines Logo
8:00 a.m. - 12:13 a.m.
SAN
-
YUL
13h 13m
1 stop
C$ 398United Airlines
Tue, 21 Apr - Wed, 22 Apr
United Airlines Logo
9:15 a.m. - 3:41 p.m.
YUL
-
SAN
9h 26m
1 stop
United Airlines Logo
8:00 a.m. - 9:42 p.m.
SAN
-
YUL
10h 42m
2 stops
C$ 401United Airlines
Thu, 19 Feb - Tue, 24 Feb
United Airlines Logo
3:00 p.m. - 11:42 p.m.
YUL
-
SAN
11h 42m
2 stops
United Airlines Logo
6:00 p.m. - 2:00 p.m.
SAN
-
YUL
17h 00m
2 stops
C$ 404United Airlines
Wed, 28 Jan - Sat, 31 Jan
United Airlines Logo
2:13 p.m. - 8:47 p.m.
YUL
-
SAN
9h 34m
1 stop
United Airlines Logo
1:45 p.m. - 2:00 p.m.
SAN
-
YUL
21h 15m
2 stops
C$ 405United Airlines
Tue, 10 Feb - Tue, 17 Feb
American Airlines Logo
2:25 p.m. - 9:07 p.m.
YUL
-
SAN
9h 42m
1 stop
American Airlines Logo
9:57 p.m. - 1:45 p.m.
SAN
-
YUL
12h 48m
1 stop
C$ 411American Airlines
Thu, 19 Feb - Tue, 24 Feb
Air Canada Logo
5:45 p.m. - 8:43 p.m.
YUL
-
SAN
5h 58mdirect
Air Canada Logo
7:00 a.m. - 3:31 p.m.
SAN
-
YUL
5h 31mdirect
C$ 412Air Canada
Sat, 23 May - Tue, 2 Jun
United Airlines Logo
4:45 p.m. - 10:44 p.m.
YUL
-
SAN
8h 59m
1 stop
United Airlines Logo
10:45 a.m. - 8:15 a.m.
SAN
-
YUL
18h 30m
2 stops
C$ 414United Airlines
Tue, 3 Mar - Tue, 28 Jul

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets
Delta
9 Mar
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
9h 14m
1 stop
SAN10:59 p.m.San Diego
12 Mar
SAN9:55 p.m.San Diego
10h 42m
1 stop
YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 425
Delta
2 Mar
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
13h 18m
1 stop
SAN10:48 p.m.San Diego
17 Mar
SAN6:15 a.m.San Diego
8h 16m
1 stop
YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 426
Delta
25 Feb
YUL12:52 p.m.Montreal Pierre Elliott Trudeau Intl
13h 10m
1 stop
SAN11:02 p.m.San Diego
29 Jul
SAN8:00 a.m.San Diego
12h 56m
1 stop
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 432

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets
American Airlines
11 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
18h 28m
1 stop
SAN10:58 p.m.San Diego
18 Feb
SAN6:30 a.m.San Diego
13h 26m
1 stop
YUL10:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 390
American Airlines
19 Feb
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
9h 42m
1 stop
SAN9:07 p.m.San Diego
24 Feb
SAN9:57 p.m.San Diego
12h 48m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 411
American Airlines
28 Jan
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
9h 36m
1 stop
SAN10:26 p.m.San Diego
17 Feb
SAN9:41 p.m.San Diego
14h 41m
1 stop
YUL3:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 416

momondo Fare Finder

 
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, momondo users made 96,600 searches. Data last updated 15 January 2026.
Use the filters below to find and compare flights from Montreal to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

6:45 a.m.-1:20 p.m.

1 stop9h 35m

San Diego

Thu 25/6

11:15 a.m.-12:42 a.m.

1 stop10h 27m

C$ 382

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

6:00 a.m.-11:53 a.m.

1 stop8h 53m

San Diego

Mon 27/7

7:00 a.m.-3:33 p.m.

Nonstop5h 33m

C$ 389

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

7:30 a.m.-10:58 p.m.

1 stop18h 28m

San Diego

Wed 18/2

6:30 a.m.-10:56 p.m.

1 stop13h 26m

C$ 390

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:10 a.m.-6:41 p.m.

1 stop15h 31m

San Diego

Wed 22/4

8:00 a.m.-12:13 a.m.

1 stop13h 13m

C$ 398

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

9:15 a.m.-3:41 p.m.

1 stop9h 26m

San Diego

Tue 24/2

8:00 a.m.-9:42 p.m.

2 stops10h 42m

C$ 401

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

3:00 p.m.-11:42 p.m.

2 stops11h 42m

San Diego

Sat 31/1

6:00 p.m.-2:00 p.m.

2 stops17h 00m

C$ 404

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

2:13 p.m.-8:47 p.m.

1 stop9h 34m

San Diego

Tue 17/2

1:45 p.m.-2:00 p.m.

2 stops21h 15m

C$ 405

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

2:25 p.m.-9:07 p.m.

1 stop9h 42m

San Diego

Tue 24/2

9:57 p.m.-1:45 p.m.

1 stop12h 48m

C$ 411

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

5:45 p.m.-8:43 p.m.

Nonstop5h 58m

San Diego

Tue 2/6

7:00 a.m.-3:31 p.m.

Nonstop5h 31m

C$ 412

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

4:45 p.m.-10:44 p.m.

1 stop8h 59m

San Diego

Tue 28/7

10:45 a.m.-8:15 a.m.

2 stops18h 30m

C$ 414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Diego from

How to get the cheapest flight ticket from Montreal to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Montreal and San Diego?

What is the cheapest month to fly to San Diego?

In general, January is the cheapest month to fly from Montreal to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 423. If you are unable to visit San Diego during the month of January, then departing from Montreal during the month June is also very affordable. Most momondo users find prices during this month for around C$ 441.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart on your flight to San Diego is on a Tuesday when prices can be found for as low as C$ 453. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Friday is C$ 553.

What is the cheapest Montreal to San Diego flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San Diego for the best Montreal - San Diego flight prices

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

You are more likely to see cheaper flights to San Diego from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 503 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Montreal for as low as C$ 430 on momondo.

What cabin class options are available on Montreal to San Diego flights?

There is only 1 cabin class available to choose from on Montreal to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal to San Diego flights?

You could potentially save up to 16% on your flight if you consider stops on a Montreal to San Diego flight.

How have Montreal to San Diego flight prices changed over time?

As of January 2026, prices for Montreal to San Diego flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Montreal to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to San Diego (YMQ to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to San Diego

Best price found

C$ 423

Fastest flight time

5h 54m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in San Diego

1 airport
The best flight deal from Montreal to San Diego found on momondo in the last 72 hours is C$ 423
The fastest flight from Montreal to San Diego takes 5h 54m
Direct flights go from Montreal to San Diego on Monday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Montreal there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Montreal to San Diego by plane?

    A flight from Montreal to San Diego will travel around 3961.3 km. Typically, this will take 5h 54m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal to San Diego Airport?

    Prices for flights from Montreal to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Montreal to San Diego Airport?

  • How old do you have to be to fly from Montreal to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal to San Diego?

  • What is the most popular airline from Montreal to San Diego?

Best airlines flying from Montreal to San Diego

Compare and see reviews for airlines that fly from Montreal to San Diego with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 272Free CancellationRating
7.2
3,243 reviews
Search WestJet flights
DeltaPriceFrom C$ 273Free CancellationRating
7.9
8,049 reviews
Search Delta flights
American AirlinesPriceFrom C$ 273Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
Air CanadaPriceFrom C$ 326Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 342Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 344Free CancellationRating
8.0
407 reviews
Search Porter Airlines flights

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Borrego Springs
Chula Vista
Coronado

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to San Diego for you.

Can I find flights from Montreal to San Diego with flexible booking policies on momondo?

All flight searches from Montreal to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to San Diego.

I’m not ready to book a flight from Montreal to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 14/2
Sat 21/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States