Which layover airport has the shortest travel time from Montreal to San Diego?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 8h 05m.

Which airport is the most popular layover for flights between Montreal and San Diego?

Philadelphia (PHL) was the most common stop: 38% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal to San Diego?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 414.

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

Air Canada and WestJet are the most popular carriers operating from Montreal to San Diego

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 46% 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.

Which layover airport has the shortest connection time from Montreal to San Diego?

Atlanta (ATL) has the shortest average layover time for this route: 1h 00m.

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 January 2026.

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$ 222 Cheap Flights from Montreal to San Diego in 2026

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

Prices are currently typical for flights on this route. Typical prices usually range from C$ 394 to C$ 763. The lowest price recently found on this route was C$ 491.

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Find the cheapest flights from Montreal to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 a.m. - 7:33 p.m.

YUL

SAN

39h 48m2 stops

12:35 p.m. - 7:05 a.m.

SAN

YUL

15h 30m1 stop

C$ 491Multiple Airlines

Mon, 26 Jan - Wed, 4 Feb

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

YUL

SAN

8h 53m1 stop

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

SAN

YUL

7h 42m1 stop

C$ 509Air Canada

Tue, 13 Jan - Tue, 20 Jan

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

YUL

SAN

9h 11m1 stop

2:06 p.m. - 3:08 p.m.

SAN

YUL

22h 02m1 stop

C$ 511American Airlines

Sat, 31 Jan - Sat, 7 Feb

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

YUL

SAN

9h 11m1 stop

2:06 p.m. - 3:08 p.m.

SAN

YUL

22h 02m1 stop

C$ 512American Airlines

Sat, 31 Jan - Sat, 7 Feb

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

YUL

SAN

8h 53m1 stop

1:10 p.m. - 1:51 a.m.

SAN

YUL

9h 41m1 stop

C$ 519Air Canada

Sat, 4 Apr - Sat, 18 Apr

7:12 a.m. - 10:59 p.m.

YUL

SAN

18h 47m1 stop

10:35 p.m. - 3:04 p.m.

SAN

YUL

13h 29m1 stop

C$ 524American Airlines

Sun, 15 Feb - Sun, 22 Feb

6:10 p.m. - 11:45 a.m.

YUL

SAN

20h 35m1 stop

9:45 p.m. - 12:38 a.m.

SAN

YUL

23h 53m2 stops

C$ 530Multiple Airlines

Sun, 25 Jan - Thu, 5 Feb

5:45 p.m. - 8:39 p.m.

YUL

SAN

5h 54mdirect

4:45 p.m. - 7:10 a.m.

SAN

YUL

11h 25m2 stops

C$ 537Air Canada

Mon, 22 Jun - Wed, 24 Jun

6:00 a.m. - 9:55 p.m.

YUL

SAN

18h 55m2 stops

11:40 a.m. - 11:26 p.m.

SAN

YUL

8h 46m1 stop

C$ 538Delta

Sat, 4 Apr - Wed, 15 Apr

6:45 a.m. - 12:38 p.m.

YUL

SAN

32h 53m2 stops

12:35 p.m. - 1:32 p.m.

SAN

YUL

21h 57m1 stop

C$ 541Multiple Airlines

Sun, 5 Apr - Fri, 17 Apr

Air Canada flights from Montreal to San Diego

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

Air Canada

13 Jan

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

8h 53m

1 stop

SAN11:53 a.m.San Diego

20 Jan

SAN12:40 p.m.San Diego

7h 42m

1 stop

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

C$ 509

Find similar

Air Canada

13 Jan

YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl

22h 03m

2 stops

SAN11:53 a.m.San Diego

29 Apr

SAN1:10 p.m.San Diego

8h 21m

1 stop

YUL12:31 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 548

Find similar

Air Canada

26 Jan

YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl

9h 25m

1 stop

SAN12:15 a.m.San Diego

3 Feb

SAN9:00 a.m.San Diego

9h 17m

2 stops

YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 550

Find similar

Delta flights from Montreal to San Diego

Our best Delta deals on Montreal to San Diego flight tickets

Delta

7 Jan

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

11h 00m

1 stop

SAN10:45 p.m.San Diego

14 Jan

SAN10:00 p.m.San Diego

11h 04m

1 stop

YUL12:04 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 508

Find similar

Delta

28 Mar

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

12h 31m

1 stop

SAN4:31 p.m.San Diego

5 Apr

SAN6:15 a.m.San Diego

8h 16m

1 stop

YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 546

Find similar

Delta

17 Mar

YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl

10h 54m

1 stop

SAN8:36 p.m.San Diego

24 Mar

SAN9:55 p.m.San Diego

10h 42m

1 stop

YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 552

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

6:45 a.m.-7:33 p.m.

2 stops39h 48m

San Diego

Wed 4/2

12:35 p.m.-7:05 a.m.

1 stop15h 30m

C$ 491

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

1 stop8h 53m

San Diego

Tue 20/1

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

1 stop7h 42m

C$ 509

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

2:06 p.m.-3:08 p.m.

1 stop22h 02m

C$ 511

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

2:06 p.m.-3:08 p.m.

1 stop22h 02m

C$ 512

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

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

1 stop8h 53m

San Diego

Sat 18/4

1:10 p.m.-1:51 a.m.

1 stop9h 41m

C$ 519

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

7:12 a.m.-10:59 p.m.

1 stop18h 47m

San Diego

Sun 22/2

10:35 p.m.-3:04 p.m.

1 stop13h 29m

C$ 524

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

6:10 p.m.-11:45 a.m.

1 stop20h 35m

San Diego

Thu 5/2

9:45 p.m.-12:38 a.m.

2 stops23h 53m

C$ 530

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

5:45 p.m.-8:39 p.m.

Nonstop5h 54m

San Diego

Wed 24/6

4:45 p.m.-7:10 a.m.

2 stops11h 25m

C$ 537

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

6:00 a.m.-9:55 p.m.

2 stops18h 55m

San Diego

Wed 15/4

11:40 a.m.-11:26 p.m.

1 stop8h 46m

C$ 538

MontrealSan Diego

YUL - SAN

YULSAN

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

6:45 a.m.-12:38 p.m.

2 stops32h 53m

San Diego

Fri 17/4

12:35 p.m.-1:32 p.m.

1 stop21h 57m

C$ 541

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

Layovers

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$ 432. 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$ 450.

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$ 448. 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$ 547.

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$ 505 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$ 425 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 6% 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$ 531
Fastest flight time	5h 54m
Direct flights	Mon, Tue, 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$ 531

The fastest flight from Montreal to San Diego takes 5h 54m

Direct flights go from Montreal to San Diego on Monday, Tuesday, 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?
There are 6 operators available for flights from Montreal to San Diego Airport as of January 2026.
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 59.38% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 25.00%, Airbus A319 at 6.25%, and Embraer 175 at 3.12%.
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 (58% of total bookings). The next most popular airlines are United Airlines (26%), Delta (8%), and American Airlines (4%).

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$ 270	Free Cancellation	Rating 7.2 11,075 reviews	Search American Airlines flights
Delta	PriceFrom C$ 297	Free Cancellation	Rating 7.9 8,023 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 342	Free Cancellation	Rating 8.0 403 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 350	Free Cancellation	Rating 7.1 10,574 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 358	Free Cancellation	Rating 7.2 3,231 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 358	Free Cancellation	Rating 7.4 9,129 reviews	Search United Airlines flights

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

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Flights to New Yorkfrom C$ 204

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Fly to other destinations from Montreal

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Flights from Montreal Pierre Elliott Trudeau Intl to Toronto Pearson Intl

Flights from Montreal Pierre Elliott Trudeau Intl to Halifax Intl

Flights from Montreal Pierre Elliott Trudeau Intl to Wabush

Cheap flights from Montreal to San Diego from C$ 226

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 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Air Canada flights from Montreal to San Diego

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

Delta flights from Montreal to San Diego

Our best Delta 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

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 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?

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 6% more expensive when compared to flights at the same time last year.

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

Air Canada and WestJet are the most popular carriers operating from Montreal to San Diego

Which airlines fly to San Diego?

Which airport is the most popular layover for flights between Montreal and San Diego?

Philadelphia (PHL) was the most common stop: 38% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal to San Diego?

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 414.

Which layover airport has the shortest travel time from Montreal to San Diego?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 8h 05m.

Which layover airport has the shortest connection time from Montreal to San Diego?

Atlanta (ATL) has the shortest average layover time for this route: 1h 00m.

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

Best price found

Fastest flight time

Direct flights

Airports in San Diego

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