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

United Airlines, Avianca, 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 39% of people opting to fly with this airline when travelling to Costa Rica. Keep in mind that there are 11 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 July 2025, there are 11 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$ 230 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in 2025

Q: How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica on average per week?

6 flights are operational weekly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica as of July 2025. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

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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

11:23 a.m. - 12:10 p.m.YUL-LIR

26h 47m2 stops

1:20 p.m. - 10:40 a.m.LIR-YUL

19h 20m2 stops

C$ 390United Airlines

Find Deal

Sat, 13 Sep - Sat, 20 Sep

2:13 p.m. - 6:37 p.m.YUL-LIR

29h 24m2 stops

2:20 p.m. - 1:28 p.m.LIR-YUL

22h 08m2 stops

C$ 392United Airlines

Find Deal

Wed, 5 Nov - Fri, 14 Nov

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

8h 44m1 stop

12:50 p.m. - 12:33 a.m.LIR-YUL

10h 43m1 stop

C$ 440WestJet

Find Deal

Tue, 2 Dec - Thu, 11 Dec

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

8h 44m1 stop

3:20 p.m. - 12:33 a.m.LIR-YUL

8h 13m1 stop

C$ 441WestJet

Find Deal

Thu, 27 Nov - Thu, 4 Dec

11:25 p.m. - 3:50 p.m.YUL-SJO

18h 25m1 stop

1:55 a.m. - 10:05 p.m.SJO-YUL

18h 10m1 stop

C$ 447Avianca

Find Deal

Sun, 28 Sep - Tue, 7 Oct

11:25 p.m. - 2:05 p.m.YUL-SJO

16h 40m1 stop

1:55 a.m. - 10:05 p.m.SJO-YUL

18h 10m1 stop

C$ 448Avianca

Find Deal

Sun, 28 Sep - Tue, 7 Oct

6:10 p.m. - 1:45 p.m.YUL-LIR

21h 35m1 stop

2:50 p.m. - 9:25 p.m.LIR-YUL

5h 35mdirect

C$ 451Air Canada

Find Deal

Mon, 27 Oct - Thu, 6 Nov

7:00 a.m. - 1:45 p.m.YUL-LIR

8h 45m1 stop

2:50 p.m. - 9:25 p.m.LIR-YUL

5h 35mdirect

C$ 473Air Canada

Find Deal

Wed, 29 Oct - Tue, 4 Nov

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

6h 00mdirect

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

5h 40mdirect

C$ 503Air Transat

Find Deal

Wed, 26 Nov - Wed, 3 Dec

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

6h 00mdirect

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

5h 40mdirect

C$ 506Air Transat

Find Deal

Mon, 19 Jan - Mon, 26 Jan

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

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

Air Transat

26 Nov

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

6h 00m

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

3 Dec

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

5h 40m

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

C$ 503

Find similar

Air Transat

19 Jan

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

6h 00m

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

26 Jan

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

5h 40m

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

C$ 506

Find similar

Air Transat

21 Jan

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

6h 00m

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

4 Feb

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

5h 40m

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

C$ 508

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

28 Sep

YUL11:25 p.m.Montreal Pierre Elliott Trudeau Intl

18h 25m

1 stop

SJO3:50 p.m.San José Juan Santamaria Intl

7 Oct

SJO1:55 a.m.San José Juan Santamaria Intl

18h 10m

1 stop

YUL10:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 447

Find similar

Avianca

28 Sep

YUL11:25 p.m.Montreal Pierre Elliott Trudeau Intl

16h 40m

1 stop

SJO2:05 p.m.San José Juan Santamaria Intl

7 Oct

SJO1:55 a.m.San José Juan Santamaria Intl

18h 10m

1 stop

YUL10:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 448

Find similar

Avianca

14 Nov

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

19h 00m

1 stop

SJO4:00 p.m.San José Juan Santamaria Intl

23 Nov

SJO2:15 a.m.San José Juan Santamaria Intl

17h 20m

1 stop

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

C$ 450

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

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

11:23 a.m.-12:10 p.m.

2 stops26h 47m

Liberia

Sat 20/9

1:20 p.m.-10:40 a.m.

2 stops19h 20m

C$ 390

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

2:13 p.m.-6:37 p.m.

2 stops29h 24m

Liberia

Fri 14/11

2:20 p.m.-1:28 p.m.

2 stops22h 08m

C$ 392

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

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

1 stop8h 44m

Liberia

Thu 11/12

12:50 p.m.-12:33 a.m.

1 stop10h 43m

C$ 440

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

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

1 stop8h 44m

Liberia

Thu 4/12

3:20 p.m.-12:33 a.m.

1 stop8h 13m

C$ 441

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

11:25 p.m.-3:50 p.m.

1 stop18h 25m

San José Juan Santamaria Intl

Tue 7/10

1:55 a.m.-10:05 p.m.

1 stop18h 10m

C$ 447

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

11:25 p.m.-2:05 p.m.

1 stop16h 40m

San José Juan Santamaria Intl

Tue 7/10

1:55 a.m.-10:05 p.m.

1 stop18h 10m

C$ 448

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

6:10 p.m.-1:45 p.m.

1 stop21h 35m

Liberia

Thu 6/11

2:50 p.m.-9:25 p.m.

Nonstop5h 35m

C$ 451

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

7:00 a.m.-1:45 p.m.

1 stop8h 45m

Liberia

Tue 4/11

2:50 p.m.-9:25 p.m.

Nonstop5h 35m

C$ 473

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

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

Nonstop5h 40m

C$ 503

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

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

Nonstop6h 00m

San José Juan Santamaria Intl

Mon 26/1

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

Nonstop5h 40m

C$ 506

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 November. Flight prices, which tend to average around C$ 563, are often lower during this time because this is during the off-season. If you don’t want to visit Costa Rica in November, then you should wait until October to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 658.

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

Our data shows that Tuesday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as C$ 734. 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$ 1,113.

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$ 742. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 957 on average. Flights to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport in the afternoon 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$ 781 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$ 686 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?

You could potentially save up to 1% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight.

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$ 230
Fastest flight time	5h 55m
Direct flights	Every day
Airports in Costa Rica	2 airports

The best one-way flight to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 230. 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$ 390.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica takes 5h 55m

Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica every day.

There are 2 airports near Costa Rica: Liberia (LIR), 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 July 2025, there are 11 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 (41.95% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (14.03%), Airbus A330-300 (12.99%), and Airbus A321-100/200 (11.62%).

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$ 342	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom C$ 371	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Porter Airlines	PriceFrom C$ 402	Free Cancellation	Rating 8.0 318 reviews	Search Porter Airlines flights
Avianca	PriceFrom C$ 414	Free Cancellation	Rating 6.7 2,388 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 422	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 426	Free Cancellation	Rating 7.2 2,978 reviews	Search WestJet flights
Copa Airlines	PriceFrom C$ 484	Free Cancellation	Rating 7.5 1,493 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 507	Free Cancellation	Rating 7.1 32 reviews	Search Arajet flights
Air Transat	PriceFrom C$ 517	Free Cancellation	Rating 7.7 424 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 607	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines 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 San José, San José Provincefrom C$ 470

Flights to Liberiafrom C$ 338

Montreal Pierre Elliott Trudeau Intl Airport flight routes

Montreal Pierre Elliott Trudeau Intl to Victoria Intl

Montreal Pierre Elliott Trudeau Intl to Toronto Island

Montreal Pierre Elliott Trudeau Intl to Calgary

Montreal Pierre Elliott Trudeau Intl to Edmonton

Montreal Pierre Elliott Trudeau Intl to Vancouver Intl

Montreal Pierre Elliott Trudeau Intl to Toronto Pearson Intl

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 230

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 Pierre Elliott Trudeau Intl Airport to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

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

Our best Air Transat 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?

You could potentially save up to 1% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight.

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

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

Which airlines fly to Costa Rica?

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica on average per week?

6 flights are operational weekly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica as of July 2025. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

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