What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Costa Rica?

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

Which airlines fly to Costa Rica?

Air Transat, Air Canada and WestJet are the top three most popular airlines that fly to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport 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 operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

As of September 2025, there are 10 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.

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

The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 202 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in 2025/26

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:40 p.m. - 8:25 p.m.YUL-SJO

5h 45mdirect

7:55 a.m. - 3:45 p.m.SJO-YUL

5h 50mdirect

C$ 448Air Canada

Find Deal

Fri, 3 Oct - Sat, 11 Oct

10:00 p.m. - 8:50 a.m.YUL-SJO

11h 50m1 stop

5:00 a.m. - 1:40 p.m.SJO-YUL

7h 40m1 stop

C$ 449Avianca

Find Deal

Wed, 26 Nov - Thu, 4 Dec

9:15 a.m. - 12:55 p.m.YUL-SJO

28h 40m1 stop

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

28h 15m2 stops

C$ 457United Airlines

Find Deal

Fri, 28 Nov - Mon, 15 Dec

6:45 a.m. - 12:21 p.m.YUL-LIR

7h 36m1 stop

1:25 p.m. - 12:27 a.m.LIR-YUL

9h 02m1 stop

C$ 477WestJet

Find Deal

Sat, 27 Sep - Wed, 8 Oct

6:15 a.m. - 11:53 a.m.YUL-LIR

31h 38m1 stop

1:03 p.m. - 10:40 a.m.LIR-YUL

19h 37m1 stop

C$ 479United Airlines

Find Deal

Fri, 26 Sep - Sat, 4 Oct

6:45 a.m. - 2:29 p.m.YUL-LIR

8h 44m1 stop

3:20 p.m. - 12:43 a.m.LIR-YUL

8h 23m1 stop

C$ 482WestJet

Find Deal

Mon, 8 Dec - Sat, 13 Dec

3:55 p.m. - 11:35 p.m.YUL-SJO

9h 40m1 stop

1:15 a.m. - 7:55 a.m.SJO-YUL

5h 40mdirect

C$ 501Air Transat

Find Deal

Sat, 1 Nov - Fri, 14 Nov

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

6h 00mdirect

12:55 a.m. - 6:25 p.m.SJO-YUL

16h 30m1 stop

C$ 506Air Transat

Find Deal

Sun, 25 Jan - Tue, 10 Feb

4:00 p.m. - 2:07 p.m.YUL-LIR

23h 07m1 stop

3:08 p.m. - 3:04 p.m.LIR-YUL

22h 56m1 stop

C$ 535American Airlines

Find Deal

Sun, 2 Nov - Wed, 12 Nov

2:35 p.m. - 2:13 p.m.YUL-LIR

25h 38m2 stops

2:37 p.m. - 3:11 p.m.LIR-YUL

23h 34m1 stop

C$ 542American Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets

Air Canada

3 Oct

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

5h 45m

SJO8:25 p.m.San José Juan Santamaria Intl

11 Oct

SJO7:55 a.m.San José Juan Santamaria Intl

5h 50m

YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 448

Find similar

Air Canada

30 Nov

YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl

5h 55m

SJO11:15 p.m.San José Juan Santamaria Intl

17 Dec

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

5h 40m

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

C$ 450

Find similar

Air Canada

3 Oct

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

5h 45m

SJO8:25 p.m.San José Juan Santamaria Intl

10 Oct

SJO8:00 a.m.San José Juan Santamaria Intl

8h 20m

1 stop

YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 456

Find similar

Avianca flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Avianca deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets

Avianca

26 Nov

YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl

11h 50m

1 stop

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

4 Dec

SJO5:00 a.m.San José Juan Santamaria Intl

7h 40m

1 stop

YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 449

Find similar

Avianca

26 Nov

YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl

18h 20m

1 stop

SJO3:20 p.m.San José Juan Santamaria Intl

4 Dec

SJO5:00 a.m.San José Juan Santamaria Intl

7h 40m

1 stop

YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 452

Find similar

Avianca

12 Nov

YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl

18h 20m

1 stop

SJO3:20 p.m.San José Juan Santamaria Intl

22 Nov

SJO1:45 a.m.San José Juan Santamaria Intl

17h 50m

1 stop

YUL8:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 453

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

4:40 p.m.-8:25 p.m.

Nonstop5h 45m

San José Juan Santamaria Intl

Sat 11/10

7:55 a.m.-3:45 p.m.

Nonstop5h 50m

C$ 448

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

10:00 p.m.-8:50 a.m.

1 stop11h 50m

San José Juan Santamaria Intl

Thu 4/12

5:00 a.m.-1:40 p.m.

1 stop7h 40m

C$ 449

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

9:15 a.m.-12:55 p.m.

1 stop28h 40m

San José Juan Santamaria Intl

Mon 15/12

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

2 stops28h 15m

C$ 457

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

6:45 a.m.-12:21 p.m.

1 stop7h 36m

Liberia

Wed 8/10

1:25 p.m.-12:27 a.m.

1 stop9h 02m

C$ 477

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

6:15 a.m.-11:53 a.m.

1 stop31h 38m

Liberia

Sat 4/10

1:03 p.m.-10:40 a.m.

1 stop19h 37m

C$ 479

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

6:45 a.m.-2:29 p.m.

1 stop8h 44m

Liberia

Sat 13/12

3:20 p.m.-12:43 a.m.

1 stop8h 23m

C$ 482

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

3:55 p.m.-11:35 p.m.

1 stop9h 40m

San José Juan Santamaria Intl

Fri 14/11

1:15 a.m.-7:55 a.m.

Nonstop5h 40m

C$ 501

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

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

Nonstop6h 00m

San José Juan Santamaria Intl

Tue 10/2

12:55 a.m.-6:25 p.m.

1 stop16h 30m

C$ 506

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

4:00 p.m.-2:07 p.m.

1 stop23h 07m

Liberia

Wed 12/11

3:08 p.m.-3:04 p.m.

1 stop22h 56m

C$ 535

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

2:35 p.m.-2:13 p.m.

2 stops25h 38m

Liberia

Sat 8/11

2:37 p.m.-3:11 p.m.

1 stop23h 34m

C$ 542

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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport is in October. Flight prices, which tend to average around C$ 555, are often lower during this time because this is during the off-season. If you don’t want to visit Costa Rica in October, then you should wait until November to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 637.

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

Our data shows that Wednesday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as C$ 807. 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$ 972.

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 Pierre Elliott Trudeau Intl Airport to Costa Rica during this time can be as low as C$ 450. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 859 on average. Flights to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Costa Rica flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San José Juan Santamaria Intl for the best Montreal Pierre Elliott Trudeau Intl - 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around C$ 766 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 738 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Costa Rica 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 Pierre Elliott Trudeau Intl Airport to Costa Rica flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Best price found	C$ 256
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 Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 256. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica found on momondo in the last 72 hours is C$ 467.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica takes 5h 45m

Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica on Monday, Tuesday, Wednesday, Thursday and Saturday. The only airline offering direct flights is Air Transat.

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 Pierre Elliott Trudeau Intl Airport to Costa Rica?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
As of September 2025, there are 10 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica is Airbus A321neo (49.25% of total bookings). The next most popular plane models are Airbus A330-300 (12.86%), Boeing 737 MAX 8 (11.09%), and Airbus A330-200 (10.80%).

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 344	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
American Airlines	PriceFrom C$ 371	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Avianca	PriceFrom C$ 387	Free Cancellation	Rating 6.7 2,435 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 402	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 405	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
Porter Airlines	PriceFrom C$ 425	Free Cancellation	Rating 7.9 363 reviews	Search Porter Airlines flights
Air Transat	PriceFrom C$ 450	Free Cancellation	Rating 7.7 438 reviews	Search Air Transat flights
Copa Airlines	PriceFrom C$ 455	Free Cancellation	Rating 7.6 1,531 reviews	Search Copa Airlines flights
WestJet	PriceFrom C$ 457	Free Cancellation	Rating 7.2 3,093 reviews	Search WestJet flights
WestJet Encore	PriceFrom C$ 893	Free Cancellation	Rating 8.6 6 reviews	Search WestJet Encore flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Costa Rica. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Costa Rica from Montreal which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Costa Rica from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Montreal and alert you when they 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.

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Popular Cities in Costa Rica

Flights to Liberiafrom C$ 319

Flights to San José, San José Provincefrom C$ 398

Montreal Pierre Elliott Trudeau Intl Airport flight routes

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 202

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Cheap round-trip flights

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Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets

Avianca flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Avianca deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl to Costa Rica flight route?

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

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

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Costa Rica 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 Pierre Elliott Trudeau Intl Airport to Costa Rica flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Costa Rica?

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

Which airlines fly to Costa Rica?

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Costa Rica?

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

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

What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport 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