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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 218

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SJO
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Costa Rica
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Wed 3/66:45 a.m.
YUL
-
LIR
1 stop7h 45m
Porter Airlines
Wed 10/61:30 p.m.
LIR
-
YUL
1 stop9h 07m
Porter Airlines
Deal found 21/3C$ 472
Wed 3/66:45 a.m.
YUL
-
LIR
1 stop7h 45m
Porter Airlines
Wed 24/61:30 p.m.
LIR
-
YUL
1 stop9h 07m
Porter Airlines
Deal found 20/3C$ 473
Thu 18/67:20 p.m.
YUL
-
LIR
1 stop19h 05m
Multiple Airlines
Wed 24/61:30 p.m.
LIR
-
YUL
1 stop9h 07m
Multiple Airlines
Deal found 17/3C$ 476
Sun 7/67:30 a.m.
YUL
-
LIR
Nonstop6h 00m
Air Transat
Sun 14/612:40 p.m.
LIR
-
YUL
Nonstop5h 30m
Air Transat
Deal found 21/3C$ 477
Tue 16/67:30 a.m.
YUL
-
LIR
Nonstop6h 00m
Multiple Airlines
Tue 23/61:15 p.m.
LIR
-
YUL
1 stop9h 10m
Multiple Airlines
Deal found 18/3C$ 480
Wed 10/66:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Wed 17/61:15 p.m.
LIR
-
YUL
1 stop27h 05m
WestJet
Deal found 21/3C$ 482
Sat 2/56:35 p.m.
YUL
-
LIR
2 stops19h 35m
United Airlines
Sat 9/53:27 p.m.
LIR
-
YUL
2 stops17h 13m
United Airlines
Deal found 20/3C$ 483
Sat 2/56:35 p.m.
YUL
-
LIR
2 stops19h 35m
United Airlines
Thu 14/51:20 p.m.
LIR
-
YUL
2 stops30h 06m
United Airlines
Deal found 17/3C$ 486
Fri 17/46:35 p.m.
YUL
-
LIR
2 stops19h 35m
United Airlines
Fri 24/43:27 p.m.
LIR
-
YUL
2 stops22h 43m
United Airlines
Deal found 17/3C$ 487
Sun 31/56:45 a.m.
YUL
-
LIR
1 stop8h 00m
Porter Airlines
Wed 10/61:30 p.m.
LIR
-
YUL
1 stop9h 07m
Porter Airlines
Deal found 17/3C$ 488
Fri 1/59:45 a.m.
YUL
-
SJO
2 stops28h 36m
United Airlines
Fri 15/51:25 p.m.
SJO
-
YUL
2 stops26h 05m
United Airlines
Deal found 21/3C$ 501
Mon 4/56:35 p.m.
YUL
-
SJO
2 stops19h 46m
United Airlines
Mon 11/57:55 a.m.
SJO
-
YUL
2 stops24h 45m
United Airlines
Deal found 20/3C$ 502

Find flight deals from Pierre Elliott Trudeau Intl to Costa Rica

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Costa Rica flight deals. Data was last updated 22 March 2026.

Round-trip from

C$ 472

One-way from

C$ 218

Popular in

July

Cheapest in

November

Average price

C$ 761

Good round-trip deal

C$ 575 or less

Good one-way deal

C$ 210 or less
Porter Airlines
  • Porter Airlines
  • 3/6-10/6
  • 2 total stops
  • 16h 52m total
  • Montreal to Costa Rica
Search Deals
WestJet
  • WestJet
  • 1/5
  • 1 total stop
  • 19h 15m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Costa Rica.
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Costa Rica.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 March 2026.
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

Cheapest round-trip

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

9:45 a.m.-2:25 p.m.

2 stops30h 40m

Liberia

Sun 24/5

3:27 p.m.-10:40 a.m.

2 stops17h 13m

C$ 483

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

9:15 a.m.-10:39 p.m.

2 stops15h 24m

San José Juan Santamaria Intl

Mon 1/6

12:30 a.m.-9:26 p.m.

2 stops18h 56m

C$ 501

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

11:00 a.m.-12:30 p.m.

1 stop27h 30m

Liberia

Wed 10/6

1:30 p.m.-12:37 a.m.

1 stop9h 07m

C$ 502

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

6:10 a.m.-7:37 p.m.

2 stops39h 27m

San José Juan Santamaria Intl

Thu 28/5

12:44 p.m.-2:40 p.m.

2 stops23h 56m

C$ 502

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

1 stop8h 00m

Liberia

Wed 10/6

1:30 p.m.-12:37 a.m.

1 stop9h 07m

C$ 551

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

2:20 p.m.-10:11 a.m.

2 stops21h 51m

San José Juan Santamaria Intl

Fri 5/6

12:30 a.m.-9:26 p.m.

2 stops18h 56m

C$ 556

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

5:00 p.m.-12:21 p.m.

2 stops21h 21m

San José Juan Santamaria Intl

Mon 4/5

1:25 p.m.-9:26 p.m.

2 stops30h 01m

C$ 556

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

9:45 a.m.-12:21 p.m.

2 stops28h 36m

San José Juan Santamaria Intl

Fri 8/5

12:44 p.m.-10:40 a.m.

2 stops19h 56m

C$ 572

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:30 a.m.-12:10 p.m.

2 stops29h 40m

Liberia

Sun 17/5

3:27 p.m.-7:04 p.m.

2 stops25h 37m

C$ 575

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

5:00 p.m.-12:10 p.m.

1 stop21h 10m

Liberia

Fri 24/4

3:27 p.m.-4:42 p.m.

1 stop23h 15m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Pierre Elliott Trudeau Intl to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 203). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 435). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to CR?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica as you normally would.

How often are flights from Montreal to Costa Rica delayed?

About 21% of weekly flights between Montreal and Costa Rica have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Montreal to Costa Rica flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Costa Rica flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated 22 March 2026.
See what other customers who have flown with Air Transat,Copa Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Copa Airlines
7.5
Good
1,575 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,300 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,834 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Avianca
6.5
Okay
2,505 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica can take about 27h 30m. United Airlines provides one of the quickest options available for as low as C$ 502. There are 4033 km between Montreal Pierre Elliott Trudeau Intl Airport and Costa Rica. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 180. Users have also found prices from C$ 219 and C$ 222 on Air Transat and Air Canada, respectively.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica is C$ 262. On average you can expect to pay C$ 515. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 464.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Costa Rica.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Costa Rica?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 203). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 435). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Pierre Elliott Trudeau Intl to Costa Rica

Discover the top 10 airlines that operate flights from Pierre Elliott Trudeau Intl to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 263AverageC$ 636FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 296AverageC$ 761FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 341AverageC$ 810FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 341AverageC$ 702FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Copa AirlinesCheapestC$ 342AverageC$ 802FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 344AverageC$ 632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapestC$ 346AverageC$ 589FlexibilityNo cancel feeOn-time71%
Search Avianca flights
WestJetCheapestC$ 393AverageC$ 663FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 403AverageC$ 620FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJet EncoreCheapestC$ 898AverageC$ 1,060FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Costa Rica?

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Costa Rica flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Costa Rica?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pierre Elliott Trudeau Intl to Costa Rica.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Costa Rica with no change fees?

Certainly. Search results for flights to Costa Rica from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Costa Rica become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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