What is the cheapest airline that flies from Montreal to Costa Rica?

United Airlines, Air Canada, and WestJet are the most popular carriers operating from Montreal to Costa Rica

Which airlines fly to Costa Rica?

Air Transat, Air Canada and Avianca are the top three most popular airlines that fly to Costa Rica from Montreal according to our data. Air Transat is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Costa Rica. Keep in mind that there are 10 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

How many flights depart from Montreal to Costa Rica on average per week?

As of November 2025, 6 flights take off from Montreal and land in Costa Rica each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

When did momondo last update prices for flights from Montreal to Costa Rica?

Prices for flights from Montreal to Costa Rica were last updated today.

How many operators does momondo search for flights from Montreal to Costa Rica?

The number of operators available for flights from Montreal to Costa Rica is 10 as of November 2025.

How old do you have to be to fly from Montreal to Costa Rica?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 205 Cheap Flights from Montreal to Costa Rica in 2025/26

1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 p.m. - 11:55 p.m.YUL-SJO

6h 00mdirect

12:55 a.m. - 7:25 p.m.SJO-YUL

17h 30m1 stop

C$ 379Air Transat

Find Deal

Wed, 26 Nov - Sat, 29 Nov

6:55 p.m. - 11:55 p.m.YUL-SJO

6h 00mdirect

12:55 a.m. - 7:25 p.m.SJO-YUL

17h 30m1 stop

C$ 401Air Transat

Find Deal

Wed, 26 Nov - Sat, 29 Nov

4:45 p.m. - 12:56 p.m.YUL-SJO

21h 11m1 stop

2:05 p.m. - 1:28 p.m.SJO-YUL

22h 23m2 stops

C$ 411United Airlines

Find Deal

Fri, 28 Nov - Sat, 13 Dec

3:00 p.m. - 1:15 p.m.YUL-SJO

23h 15m2 stops

8:45 a.m. - 2:00 p.m.SJO-YUL

28h 15m2 stops

C$ 412United Airlines

Find Deal

Mon, 24 Nov - Mon, 8 Dec

6:55 p.m. - 11:55 p.m.YUL-SJO

6h 00mdirect

7:55 a.m. - 8:35 p.m.SJO-YUL

11h 40m1 stop

C$ 422Multiple Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

10:00 p.m. - 3:20 p.m.YUL-SJO

18h 20m1 stop

1:45 a.m. - 8:35 p.m.SJO-YUL

17h 50m1 stop

C$ 426Avianca

Find Deal

Wed, 28 Jan - Sun, 8 Feb

4:45 p.m. - 12:55 p.m.YUL-LIR

21h 10m1 stop

2:20 p.m. - 2:00 p.m.LIR-YUL

22h 40m2 stops

C$ 426United Airlines

Find Deal

Wed, 7 Jan - Sat, 17 Jan

10:00 p.m. - 3:20 p.m.YUL-SJO

18h 20m1 stop

1:45 a.m. - 8:35 p.m.SJO-YUL

17h 50m1 stop

C$ 428Avianca

Find Deal

Mon, 2 Feb - Thu, 12 Feb

4:45 p.m. - 1:00 p.m.YUL-LIR

21h 15m1 stop

8:35 a.m. - 9:42 p.m.LIR-YUL

12h 07m2 stops

C$ 428United Airlines

Find Deal

Fri, 30 Jan - Tue, 10 Feb

6:45 a.m. - 1:55 p.m.YUL-LIR

8h 10m1 stop

2:55 p.m. - 12:43 a.m.LIR-YUL

8h 48m1 stop

C$ 429Multiple Airlines

Find Deal

Sun, 7 Dec - Thu, 18 Dec

Air Canada flights from Montreal to Costa Rica

Our best Air Canada deals on Montreal to Costa Rica flight tickets

Air Canada

17 Nov

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

9h 55m

1 stop

SJO10:55 p.m.San José Juan Santamaria Intl

1 Dec

SJO8:50 a.m.San José Juan Santamaria Intl

5h 40m

YUL3:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 457

Find similar

Air Canada

19 Nov

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

16h 55m

1 stop

SJO10:55 p.m.San José Juan Santamaria Intl

1 Dec

SJO8:50 a.m.San José Juan Santamaria Intl

5h 40m

YUL3:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 458

Find similar

Air Canada

17 Nov

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

9h 55m

1 stop

SJO10:55 p.m.San José Juan Santamaria Intl

24 Nov

SJO8:35 a.m.San José Juan Santamaria Intl

21h 04m

2 stops

YUL6:39 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 466

Find similar

Air Transat flights from Montreal to Costa Rica

Our best Air Transat deals on Montreal to Costa Rica flight tickets

Air Transat

19 Nov

YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl

6h 00m

SJO11:55 p.m.San José Juan Santamaria Intl

26 Nov

SJO1:15 a.m.San José Juan Santamaria Intl

5h 40m

YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 366

Find similar

Air Transat

26 Nov

YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl

6h 00m

SJO11:55 p.m.San José Juan Santamaria Intl

29 Nov

SJO12:55 a.m.San José Juan Santamaria Intl

17h 30m

1 stop

YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 379

Find similar

Air Transat

26 Nov

YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl

6h 00m

SJO11:55 p.m.San José Juan Santamaria Intl

29 Nov

SJO12:55 a.m.San José Juan Santamaria Intl

17h 30m

1 stop

YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 401

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Sat 29/11

12:55 a.m.-7:25 p.m.

1 stop17h 30m

C$ 379

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Sat 29/11

12:55 a.m.-7:25 p.m.

1 stop17h 30m

C$ 401

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

4:45 p.m.-12:56 p.m.

1 stop21h 11m

San José Juan Santamaria Intl

Sat 13/12

2:05 p.m.-1:28 p.m.

2 stops22h 23m

C$ 411

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

3:00 p.m.-1:15 p.m.

2 stops23h 15m

San José Juan Santamaria Intl

Mon 8/12

8:45 a.m.-2:00 p.m.

2 stops28h 15m

C$ 412

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Wed 3/12

7:55 a.m.-8:35 p.m.

1 stop11h 40m

C$ 422

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

10:00 p.m.-3:20 p.m.

1 stop18h 20m

San José Juan Santamaria Intl

Sun 8/2

1:45 a.m.-8:35 p.m.

1 stop17h 50m

C$ 426

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

4:45 p.m.-12:55 p.m.

1 stop21h 10m

Liberia

Sat 17/1

2:20 p.m.-2:00 p.m.

2 stops22h 40m

C$ 426

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

10:00 p.m.-3:20 p.m.

1 stop18h 20m

San José Juan Santamaria Intl

Thu 12/2

1:45 a.m.-8:35 p.m.

1 stop17h 50m

C$ 428

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

4:45 p.m.-1:00 p.m.

1 stop21h 15m

Liberia

Tue 10/2

8:35 a.m.-9:42 p.m.

2 stops12h 07m

C$ 428

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

6:45 a.m.-1:55 p.m.

1 stop8h 10m

Liberia

Thu 18/12

2:55 p.m.-12:43 a.m.

1 stop8h 48m

C$ 429

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 Costa Rica

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 Costa Rica?

The cheapest month to fly to Costa Rica from Montreal is in September. Flight prices, which tend to average around C$ 533, are often lower during this time because this is during the off-season. If you don’t want to visit Costa Rica in September, then you should wait until October to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 614.

What is the cheapest day to depart on your flight to Costa Rica?

Our data shows that Monday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as C$ 806. 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 Costa Rica on Saturday is C$ 958.

What is the cheapest time of day to depart on your flight to Costa Rica?

Our most recent data shows that the best time of day to fly to Costa Rica is at noon. Flights from Montreal to Costa Rica during this time can be as low as C$ 457. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 855 on average. Flights to Costa Rica from Montreal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Montreal to Costa Rica flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San José Juan Santamaria Intl for the best Montreal - Costa Rica flight prices

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around C$ 755 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Montreal for as low as C$ 690 on momondo.

What cabin class options are available on Montreal to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Montreal to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Costa Rica

Best price found	C$ 251
Fastest flight time	5h 45m
Direct flights	Mon, Tue, Wed, Thu and Sat
Airports in Costa Rica	1 airport

The best one-way flight to Costa Rica from Montreal in the past 72 hours is C$ 251. The best round-trip flight deal from Montreal to Costa Rica found on momondo in the last 72 hours is C$ 451.

The fastest flight from Montreal to Costa Rica takes 5h 45m

Direct flights go from Montreal to Costa Rica on Monday, Tuesday, Wednesday, Thursday and Saturday. The only airline offering direct flights is Air Canada.

There is 1 airport near Costa Rica: San José Juan Santamaria Intl (SJO)

Search flight deals

When did momondo last update prices for flights from Montreal to Costa Rica?
Prices for flights from Montreal to Costa Rica were last updated today.
How many operators does momondo search for flights from Montreal to Costa Rica?
The number of operators available for flights from Montreal to Costa Rica is 10 as of November 2025.
How old do you have to be to fly from Montreal to Costa Rica?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal to Costa Rica?
momondo data reveals that the most frequently booked plane model on the route from Montreal to Costa Rica is Airbus A321neo, representing 55.45% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 14.36%, Airbus A330-200 at 13.21%, and Airbus A330-300 at 10.96%.

Best airlines flying from Montreal to Costa Rica

Compare and see reviews for airlines that fly from Montreal to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 351	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
American Airlines	PriceFrom C$ 373	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 375	Free Cancellation	Rating 7.1 10,444 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 376	Free Cancellation	Rating 7.8 471 reviews	Search Air Transat flights
Avianca	PriceFrom C$ 400	Free Cancellation	Rating 6.6 2,475 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 410	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
Copa Airlines	PriceFrom C$ 436	Free Cancellation	Rating 7.6 1,563 reviews	Search Copa Airlines flights
WestJet	PriceFrom C$ 483	Free Cancellation	Rating 7.2 3,159 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 484	Free Cancellation	Rating 8.0 389 reviews	Search Porter Airlines flights
WestJet Encore	PriceFrom C$ 905	Free Cancellation	Rating 0.0	Search WestJet Encore flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Costa Rica?

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 Costa Rica for you.

Can I find flights from Montreal to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montreal to Costa Rica?

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 Costa Rica.

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

Price alerts on flights to Costa Rica from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Costa Rica 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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Find better results for your trip to Costa Rica

Popular Cities in Costa Rica

Flights to Liberiafrom C$ 223

Flights to San Joséfrom C$ 372

Montreal flight routes

Flights from Montreal Pierre Elliott Trudeau Intl to Ottawa

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Flights from Montreal Pierre Elliott Trudeau Intl to Toronto Island

Flights from Montreal Pierre Elliott Trudeau Intl to Vancouver Intl

Flights from Montreal Pierre Elliott Trudeau Intl to Toronto Pearson Intl

Cheap flights from Montreal to Costa Rica 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 Costa Rica departing on 15/11. 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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Find the cheapest flights from Montreal to Costa Rica

Cheap round-trip flights

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Cheap last-minute flights

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Air Canada flights from Montreal to Costa Rica

Our best Air Canada deals on Montreal to Costa Rica flight tickets

Air Transat flights from Montreal to Costa Rica

Our best Air Transat deals on Montreal to Costa Rica flight tickets

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How to get the cheapest flight ticket from Montreal to Costa Rica

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 Costa Rica?

What is the cheapest day to depart on your flight to Costa Rica?

What is the cheapest time of day to depart on your flight to Costa Rica?

What is the cheapest Montreal to Costa Rica flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San José Juan Santamaria Intl for the best Montreal - Costa Rica flight prices

How far in advance should I book a flight to Costa Rica?

What cabin class options are available on Montreal to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Montreal to Costa Rica?

United Airlines, Air Canada, and WestJet are the most popular carriers operating from Montreal to Costa Rica

Which airlines fly to Costa Rica?

How many flights depart from Montreal to Costa Rica on average per week?

As of November 2025, 6 flights take off from Montreal and land in Costa Rica each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

Cheap Montreal to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Costa Rica

Best price found

Fastest flight time

Direct flights

Airports in Costa Rica

When did momondo last update prices for flights from Montreal to Costa Rica?

How many operators does momondo search for flights from Montreal to Costa Rica?

How old do you have to be to fly from Montreal to Costa Rica?

What documentation or ID do you need to fly to Costa Rica?

What is the most popular plane model from Montreal to Costa Rica?

Best airlines flying from Montreal to Costa Rica

Compare and see reviews for airlines that fly from Montreal to Costa Rica with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Costa Rica?

Can I find flights from Montreal to Costa Rica with flexible booking policies on momondo?

How can momondo help me find flights from Montreal to Costa Rica?

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

An easier way to manage your Costa Rica 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 Costa Rica

Popular Cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo