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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 253

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SJO
8 Jun — 15 Jun1
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 9 May 2026.

Sat 12/96:45 a.m.
YUL
-
LIR
1 stop7h 50m
Porter Airlines
Wed 21/101:30 p.m.
LIR
-
YUL
1 stop9h 07m
Porter Airlines
Deal found 8/5C$ 478
Sat 19/96:45 a.m.
YUL
-
LIR
1 stop7h 50m
Porter Airlines
Wed 7/101:30 p.m.
LIR
-
YUL
1 stop9h 07m
Porter Airlines
Deal found 7/5C$ 480
Sat 5/96:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sat 12/91:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 8/5C$ 485
Sat 29/85:45 p.m.
YUL
-
LIR
1 stop20h 40m
WestJet
Sat 12/91:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 8/5C$ 487
Sun 20/96:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 4/101:15 p.m.
LIR
-
YUL
1 stop25h 30m
WestJet
Deal found 7/5C$ 489
Wed 16/96:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Wed 23/91:15 p.m.
LIR
-
YUL
1 stop25h 30m
WestJet
Deal found 7/5C$ 491
Fri 4/96:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 13/91:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 8/5C$ 500
Sat 10/106:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 18/101:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 4/5C$ 502
Sun 11/106:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 18/101:15 p.m.
LIR
-
YUL
1 stop9h 10m
WestJet
Deal found 4/5C$ 503
Fri 8/56:10 a.m.
YUL
-
SJO
1 stop31h 45m
United Airlines
Mon 11/51:25 p.m.
SJO
-
YUL
2 stops30h 01m
United Airlines
Deal found 7/5C$ 513
Fri 8/56:20 p.m.
YUL
-
SJO
Nonstop5h 45m
Air Transat
Fri 29/511:25 p.m.
SJO
-
YUL
Nonstop5h 45m
Air Transat
Deal found 6/5C$ 518
Sat 23/52:20 p.m.
YUL
-
SJO
2 stops21h 51m
United Airlines
Tue 2/612:30 a.m.
SJO
-
YUL
2 stops18h 56m
United Airlines
Deal found 9/5C$ 519

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 9 May 2026.

Round-trip from

C$ 478

One-way from

C$ 253

Popular in

July

Cheapest in

November

Average price

C$ 656

Good round-trip deal

C$ 564 or less

Good one-way deal

C$ 293 or less
Porter Airlines
  • Porter Airlines
  • 12/9-21/10
  • 2 total stops
  • 16h 57m total
  • Montreal to Costa Rica
Search Deals
Air Transat
  • Air Transat
  • 1/6
  • Nonstop
  • 5h 45m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 9 May 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

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

8:35 a.m.-6:26 p.m.

1 stop11h 51m

San José Juan Santamaria Intl

Fri 29/5

5:50 a.m.-12:40 a.m.

1 stop16h 50m

C$ 558

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

9:45 a.m.-10:11 a.m.

2 stops26h 26m

San José Juan Santamaria Intl

Tue 2/6

12:30 a.m.-12:13 a.m.

2 stops21h 43m

C$ 559

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

8:35 a.m.-8:21 a.m.

1 stop25h 46m

San José Juan Santamaria Intl

Fri 19/6

10:05 a.m.-12:40 a.m.

1 stop12h 35m

C$ 559

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

9:45 a.m.-10:11 a.m.

2 stops26h 26m

San José Juan Santamaria Intl

Wed 3/6

12:30 a.m.-12:13 a.m.

2 stops21h 43m

C$ 559

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

9:45 a.m.-10:11 a.m.

2 stops26h 26m

San José Juan Santamaria Intl

Fri 26/6

1:25 p.m.-5:30 p.m.

2 stops26h 05m

C$ 567
Quickest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

8:35 a.m.-4:51 p.m.

1 stop10h 16m

San José Juan Santamaria Intl

Fri 29/5

5:50 a.m.-12:40 a.m.

1 stop16h 50m

C$ 578

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

8:35 a.m.-6:59 p.m.

1 stop12h 24m

San José Juan Santamaria Intl

Fri 12/6

4:10 a.m.-12:40 a.m.

1 stop18h 30m

C$ 633

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

9:30 p.m.-8:50 a.m.

2 stops13h 20m

San José Juan Santamaria Intl

Sun 31/5

7:45 p.m.-2:45 p.m.

1 stop17h 00m

C$ 657

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

8:00 p.m.-7:37 p.m.

2 stops25h 37m

San José Juan Santamaria Intl

Sat 30/5

11:13 a.m.-12:00 p.m.

2 stops22h 47m

C$ 667

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

9:45 a.m.-10:11 a.m.

2 stops26h 26m

San José Juan Santamaria Intl

Fri 12/6

7:55 a.m.-10:40 a.m.

2 stops24h 45m

C$ 682

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 41 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

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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$ 189). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in June is currently the most expensive (average of C$ 1,062). 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 9 May 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 20% of weekly flights between Montreal and Costa Rica have experienced delays in the past year, with the average delay time being 140 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?

Wednesday 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 9 May 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
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
7.8
Good
548 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
1,584 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
3,332 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
11,008 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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
2,522 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Food

6.8

Crew

8.5

Overall

7.8

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 11h 51m. Copa Airlines provides one of the quickest options available for as low as C$ 558. There are 4065 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$ 199. Users have also found prices from C$ 222 and C$ 226 on Avianca 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$ 269. On average you can expect to pay C$ 527. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 541.

  • 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$ 189). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in June is currently the most expensive (average of C$ 1,062). 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 9 airlines flying from Pierre Elliott Trudeau Intl to Costa Rica

Discover the top 9 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 9 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 264AverageC$ 633FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Copa AirlinesCheapestC$ 297AverageC$ 827FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 311AverageC$ 756FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 312AverageC$ 733FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 343AverageC$ 586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapestC$ 350AverageC$ 602FlexibilityNo cancel feeOn-time71%
Search Avianca flights
WestJetCheapestC$ 395AverageC$ 623FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 407AverageC$ 656FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 513AverageC$ 840FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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