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, American Airlines, and United 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 November 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$ 275 Cheap Flights from Montreal to San Diego in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 579 to C$ 788. The lowest price recently found on this route was C$ 488.

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Find the cheapest flights from Montreal to San Diego

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One-way

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2:25 p.m. - 8:36 p.m.YUL-SAN

9h 11m1 stop

2:01 p.m. - 3:08 p.m.SAN-YUL

22h 07m1 stop

C$ 488American Airlines

Find Deal

Sat, 31 Jan - Sat, 7 Feb

7:30 a.m. - 6:31 p.m.YUL-SAN

14h 01m2 stops

2:01 p.m. - 3:08 p.m.SAN-YUL

22h 07m1 stop

C$ 502American Airlines

Find Deal

Sat, 31 Jan - Sat, 7 Feb

12:54 p.m. - 7:00 p.m.YUL-SAN

9h 06m1 stop

9:40 p.m. - 11:47 a.m.SAN-YUL

11h 07m1 stop

C$ 531Delta

Find Deal

Wed, 14 Jan - Tue, 28 Apr

7:00 a.m. - 5:41 p.m.YUL-SAN

13h 41m1 stop

8:50 a.m. - 11:39 p.m.SAN-YUL

11h 49m1 stop

C$ 533Delta

Find Deal

Tue, 6 Jan - Tue, 10 Mar

2:13 p.m. - 10:37 p.m.YUL-SAN

11h 24m2 stops

7:44 p.m. - 10:11 a.m.SAN-YUL

11h 27m2 stops

C$ 554United Airlines

Find Deal

Wed, 14 Jan - Sat, 2 May

6:30 p.m. - 9:14 a.m.YUL-SAN

17h 44m2 stops

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

5h 29mdirect

C$ 557Multiple Airlines

Find Deal

Sun, 26 Apr - Mon, 4 May

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

9h 25m1 stop

7:44 p.m. - 10:11 a.m.SAN-YUL

11h 27m2 stops

C$ 562United Airlines

Find Deal

Tue, 13 Jan - Wed, 29 Apr

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$ 589Air Canada

Find Deal

Sun, 26 Apr - Mon, 4 May

7:00 a.m. - 9:25 p.m.YUL-SAN

17h 25m1 stop

12:40 p.m. - 11:22 p.m.SAN-YUL

7h 42m1 stop

C$ 611Multiple Airlines

Find Deal

Thu, 26 Feb - Wed, 4 Mar

9:30 p.m. - 11:53 a.m.YUL-SAN

17h 23m1 stop

12:40 p.m. - 11:22 p.m.SAN-YUL

7h 42m1 stop

C$ 614Air Canada

Find Deal

Fri, 27 Feb - Wed, 4 Mar

Air Canada flights from Montreal to San Diego

Our best Air Canada deals on Montreal to San Diego flight tickets

Air Canada

26 Apr

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

8h 53m

1 stop

SAN11:53 a.m.San Diego

4 May

SAN8:10 a.m.San Diego

5h 29m

YUL4:39 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 589

Find similar

Air Canada

27 Feb

YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl

17h 23m

1 stop

SAN11:53 a.m.San Diego

4 Mar

SAN12:40 p.m.San Diego

7h 42m

1 stop

YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 614

Find similar

Air Canada

26 Mar

YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl

14h 25m

2 stops

SAN10:35 p.m.San Diego

12 Apr

SAN10:25 p.m.San Diego

10h 26m

1 stop

YUL11:51 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 635

Find similar

American Airlines flights from Montreal to San Diego

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

American Airlines

31 Jan

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

9h 11m

1 stop

SAN8:36 p.m.San Diego

7 Feb

SAN2:01 p.m.San Diego

22h 07m

1 stop

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 488

Find similar

American Airlines

31 Jan

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

14h 01m

2 stops

SAN6:31 p.m.San Diego

7 Feb

SAN2:01 p.m.San Diego

22h 07m

1 stop

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 502

Find similar

American Airlines

8 Jan

YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl

12h 59m

1 stop

SAN10:58 p.m.San Diego

8 Feb

SAN10:45 p.m.San Diego

12h 00m

1 stop

YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 544

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

2:25 p.m.-8:36 p.m.

1 stop9h 11m

San Diego

Sat 7/2

2:01 p.m.-3:08 p.m.

1 stop22h 07m

C$ 488

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

7:30 a.m.-6:31 p.m.

2 stops14h 01m

San Diego

Sat 7/2

2:01 p.m.-3:08 p.m.

1 stop22h 07m

C$ 502

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

12:54 p.m.-7:00 p.m.

1 stop9h 06m

San Diego

Tue 28/4

9:40 p.m.-11:47 a.m.

1 stop11h 07m

C$ 531

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

7:00 a.m.-5:41 p.m.

1 stop13h 41m

San Diego

Tue 10/3

8:50 a.m.-11:39 p.m.

1 stop11h 49m

C$ 533

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

2:13 p.m.-10:37 p.m.

2 stops11h 24m

San Diego

Sat 2/5

7:44 p.m.-10:11 a.m.

2 stops11h 27m

C$ 554

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:30 p.m.-9:14 a.m.

2 stops17h 44m

San Diego

Mon 4/5

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

Nonstop5h 29m

C$ 557

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

1 stop9h 25m

San Diego

Wed 29/4

7:44 p.m.-10:11 a.m.

2 stops11h 27m

C$ 562

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

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

1 stop8h 53m

San Diego

Mon 4/5

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

Nonstop5h 29m

C$ 589

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

7:00 a.m.-9:25 p.m.

1 stop17h 25m

San Diego

Wed 4/3

12:40 p.m.-11:22 p.m.

1 stop7h 42m

C$ 611

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

9:30 p.m.-11:53 a.m.

1 stop17h 23m

San Diego

Wed 4/3

12:40 p.m.-11:22 p.m.

1 stop7h 42m

C$ 614

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

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$ 428. 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$ 461.

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$ 464. 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$ 572.

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$ 530 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$ 813. 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$ 522 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$ 435 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 November 2025, prices for Montreal to San Diego flights are approximately 25% 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 38m 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 November 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 60.66% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 27.87%, Airbus A320-100/200 at 4.92%, and Airbus A319 at 3.28%.
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$ 281	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Delta	PriceFrom C$ 304	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 355	Free Cancellation	Rating 8.0 389 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 359	Free Cancellation	Rating 7.1 10,438 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 366	Free Cancellation	Rating 7.2 3,159 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 367	Free Cancellation	Rating 7.4 9,012 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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Cheap flights from Montreal to San Diego from C$ 275

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 15/12. 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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Air Canada flights from Montreal to San Diego

Our best Air Canada 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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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?

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 November 2025, prices for Montreal to San Diego flights are approximately 25% cheaper when compared to flights at the same time last year.

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

Delta, American Airlines, and United 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