Which airlines fly to San Diego?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to San Diego from Montreal according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal to San Diego?

Delta, Air Canada, and American Airlines are the most popular carriers operating from Montreal to San Diego

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?

There are 6 operators available for flights from Montreal to San Diego Airport as of October 2025.

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.

C$ 297 Cheap Flights from Montreal to San Diego in 2025/26

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12:54 p.m. - 10:33 p.m.YUL-SAN

12h 39m1 stop

8:50 a.m. - 11:34 p.m.SAN-YUL

11h 44m1 stop

C$ 532Delta

Find Deal

Wed, 14 Jan - Sat, 2 May

4:00 p.m. - 8:34 a.m.YUL-SAN

19h 34m1 stop

10:23 p.m. - 1:49 p.m.SAN-YUL

12h 26m1 stop

C$ 536American Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Dec

4:00 p.m. - 8:34 a.m.YUL-SAN

19h 34m1 stop

6:15 a.m. - 10:42 p.m.SAN-YUL

13h 27m1 stop

C$ 544American Airlines

Find Deal

Mon, 1 Dec - Thu, 4 Dec

7:00 a.m. - 7:12 p.m.YUL-SAN

15h 12m2 stops

11:29 p.m. - 3:20 p.m.SAN-YUL

12h 51m1 stop

C$ 549American Airlines

Find Deal

Wed, 14 Jan - Tue, 28 Apr

9:15 a.m. - 5:35 p.m.YUL-SAN

11h 20m2 stops

9:55 p.m. - 3:16 p.m.SAN-YUL

14h 21m1 stop

C$ 553United Airlines

Find Deal

Wed, 3 Dec - Fri, 5 Dec

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

8h 53m1 stop

8:10 a.m. - 4:39 p.m.SAN-YUL

5h 29mdirect

C$ 554Air Canada

Find Deal

Wed, 14 Jan - Sat, 2 May

9:15 a.m. - 3:40 p.m.YUL-SAN

9h 25m1 stop

12:40 p.m. - 1:53 a.m.SAN-YUL

10h 13m1 stop

C$ 560Multiple Airlines

Find Deal

Sat, 10 Jan - Thu, 15 Jan

6:00 a.m. - 11:31 a.m.YUL-SAN

8h 31m1 stop

12:40 p.m. - 1:53 a.m.SAN-YUL

10h 13m1 stop

C$ 564Multiple Airlines

Find Deal

Thu, 27 Nov - Wed, 3 Dec

6:00 a.m. - 11:48 a.m.YUL-SAN

8h 48m1 stop

7:38 p.m. - 10:11 a.m.SAN-YUL

11h 33m2 stops

C$ 565United Airlines

Find Deal

Tue, 13 Jan - Wed, 29 Apr

3:10 p.m. - 12:15 a.m.YUL-SAN

12h 05m2 stops

8:00 p.m. - 10:10 a.m.SAN-YUL

11h 10m2 stops

C$ 637Air Canada

Find Deal

Tue, 2 Dec - Tue, 16 Dec

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets

Delta

14 Jan

YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl

12h 39m

1 stop

SAN10:33 p.m.San Diego

2 May

SAN8:50 a.m.San Diego

11h 44m

1 stop

YUL11:34 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 532

Find similar

Delta

21 Nov

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

8h 56m

1 stop

SAN1:06 p.m.San Diego

8 Dec

SAN10:30 p.m.San Diego

10h 05m

1 stop

YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 561

Find similar

Delta

2 Dec

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

19h 49m

2 stops

SAN11:59 p.m.San Diego

4 Dec

SAN11:36 a.m.San Diego

8h 56m

1 stop

YUL11:32 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 567

Find similar

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets

American Airlines

1 Dec

YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl

19h 34m

1 stop

SAN8:34 a.m.San Diego

8 Dec

SAN10:23 p.m.San Diego

12h 26m

1 stop

YUL1:49 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 536

Find similar

American Airlines

1 Dec

YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl

19h 34m

1 stop

SAN8:34 a.m.San Diego

4 Dec

SAN6:15 a.m.San Diego

13h 27m

1 stop

YUL10:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 544

Find similar

American Airlines

14 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

15h 12m

2 stops

SAN7:12 p.m.San Diego

28 Apr

SAN11:29 p.m.San Diego

12h 51m

1 stop

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 549

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

12:54 p.m.-10:33 p.m.

1 stop12h 39m

San Diego

Sat 2/5

8:50 a.m.-11:34 p.m.

1 stop11h 44m

C$ 532

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

4:00 p.m.-8:34 a.m.

1 stop19h 34m

San Diego

Mon 8/12

10:23 p.m.-1:49 p.m.

1 stop12h 26m

C$ 536

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

4:00 p.m.-8:34 a.m.

1 stop19h 34m

San Diego

Thu 4/12

6:15 a.m.-10:42 p.m.

1 stop13h 27m

C$ 544

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

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

2 stops15h 12m

San Diego

Tue 28/4

11:29 p.m.-3:20 p.m.

1 stop12h 51m

C$ 549

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

9:15 a.m.-5:35 p.m.

2 stops11h 20m

San Diego

Fri 5/12

9:55 p.m.-3:16 p.m.

1 stop14h 21m

C$ 553

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

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

1 stop8h 53m

San Diego

Sat 2/5

8:10 a.m.-4:39 p.m.

Nonstop5h 29m

C$ 554

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

9:15 a.m.-3:40 p.m.

1 stop9h 25m

San Diego

Thu 15/1

12:40 p.m.-1:53 a.m.

1 stop10h 13m

C$ 560

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

6:00 a.m.-11:31 a.m.

1 stop8h 31m

San Diego

Wed 3/12

12:40 p.m.-1:53 a.m.

1 stop10h 13m

C$ 564

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

6:00 a.m.-11:48 a.m.

1 stop8h 48m

San Diego

Wed 29/4

7:38 p.m.-10:11 a.m.

2 stops11h 33m

C$ 565

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

3:10 p.m.-12:15 a.m.

2 stops12h 05m

San Diego

Tue 16/12

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

2 stops11h 10m

C$ 637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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$ 451. If you are unable to visit San Diego during the month of January, then departing from Montreal during the month March is also very affordable. Most momondo users find prices during this month for around C$ 460.

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$ 463. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Saturday is C$ 650.

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

Flying to San Diego from Montreal in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 529 when looking at flights departing in the afternoon. Flights to San Diego are more costly in the morning, with an average ticket price of C$ 812. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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$ 531 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$ 434 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?

No. A direct flight is the cheapest option for a flight between Montreal to San Diego.

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

As of October 2025, prices for Montreal to San Diego flights are approximately 13% cheaper 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

Direct flights	None

There are no direct flights from Montreal to San Diego. There are no popular flight routes from Montreal to San Diego.

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 8h 31m 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?
There are 6 operators available for flights from Montreal to San Diego Airport as of October 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Montreal to San Diego is Airbus A220-300, representing 63.51% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 25.68%, Airbus A320-100/200 at 4.05%, and Airbus A319 at 2.70%.
What is the most popular airline from Montreal to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to San Diego is Air Canada (57% of total bookings). The next most popular airlines are United Airlines (26%), Delta (8%), and Porter Airlines (6%).

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
American Airlines	PriceFrom C$ 285	Free Cancellation	Rating 7.2 11,031 reviews	Search American Airlines flights
Delta	PriceFrom C$ 303	Free Cancellation	Rating 7.9 7,995 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 354	Free Cancellation	Rating 8.0 384 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 359	Free Cancellation	Rating 7.1 10,367 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 365	Free Cancellation	Rating 7.2 3,147 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 366	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights

El Cajon

Coronado

Borrego Springs

Chula Vista

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.

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Wed 3/12

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Cheap flights from Montreal to San Diego from C$ 297

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal to San Diego

Cheap round-trip flights

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Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets

American Airlines flights from Montreal to San Diego

Our best American Airlines deals on Montreal to San Diego flight tickets

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Use the filters below to find and compare flights from Montreal to San Diego that are best for you.

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 cheapest month to fly to San Diego?

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

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

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?

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?

No. A direct flight is the cheapest option for a flight between Montreal to San Diego.

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

As of October 2025, prices for Montreal to San Diego flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal to San Diego?

Delta, Air Canada, and American Airlines are the most popular carriers operating from Montreal to San Diego

Which airlines fly to San Diego?

When to book flights from Montreal to San Diego

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

Direct flights

How far is Montreal to San Diego by plane?

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

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?

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

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

Travelling to a place near San Diego?

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California