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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 205

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SJO
5 Mar — 12 Mar1
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 3 February 2026.

Mon 11/511:00 p.m.
YUL
-
SJO
1 stop18h 25m
Avianca
Sat 23/59:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 2/2C$ 411
Thu 2/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sat 11/49:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 2/2C$ 412
Tue 14/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Tue 21/41:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 2/2C$ 423
Mon 16/311:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Tue 7/41:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 2/2C$ 425
Wed 1/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Tue 14/41:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 31/1C$ 426
Mon 30/311:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Thu 9/49:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 2/2C$ 436
Mon 4/511:00 p.m.
YUL
-
SJO
1 stop18h 25m
Avianca
Sun 10/51:40 a.m.
SJO
-
YUL
1 stop17h 55m
Avianca
Deal found 2/2C$ 437
Thu 23/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sun 3/51:40 a.m.
SJO
-
YUL
1 stop17h 55m
Avianca
Deal found 3/2C$ 438
Thu 9/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Sat 18/49:25 a.m.
SJO
-
YUL
1 stop10h 10m
Avianca
Deal found 31/1C$ 440
Sat 11/411:00 p.m.
YUL
-
SJO
1 stop11h 50m
Avianca
Fri 17/41:50 a.m.
SJO
-
YUL
1 stop17h 45m
Avianca
Deal found 31/1C$ 441
Wed 15/46:35 p.m.
YUL
-
LIR
2 stops19h 35m
United Airlines
Sat 25/43:27 p.m.
LIR
-
YUL
2 stops17h 13m
United Airlines
Deal found 2/2C$ 445
Fri 19/66:45 a.m.
YUL
-
LIR
1 stop7h 40m
WestJet
Sun 28/61:25 p.m.
LIR
-
YUL
1 stop9h 15m
WestJet
Deal found 1/2C$ 447

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 3 February 2026.

Round-trip from

C$ 411

One-way from

C$ 205

Popular in

July

Cheapest in

November

Average price

C$ 799

Good round-trip deal

C$ 464 or less

Good one-way deal

C$ 238 or less
Avianca
  • Avianca
  • 11/5-22/5
  • 2 total stops
  • 29h 35m total
  • Montreal to Costa Rica
Search Deals
WestJet
  • WestJet
  • 30/3
  • 1 total stop
  • 8h 38m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 78 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 February 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 3 February 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

Pierre Elliott Trudeau Intl

Fly to

Costa Rica

Route

Depart

Return

Price

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

11:00 p.m.-8:50 a.m.

1 stop11h 50m

San José Juan Santamaria Intl

Tue 14/4

1:50 a.m.-9:35 p.m.

1 stop17h 45m

C$ 426

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:00 a.m.-11:55 a.m.

1 stop31h 55m

Liberia

Thu 30/4

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

2 stops17h 13m

C$ 448

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

2:20 p.m.-2:25 p.m.

2 stops26h 05m

Liberia

Sun 26/4

3:27 p.m.-9:26 p.m.

2 stops27h 59m

C$ 449

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

9:15 a.m.-12:10 p.m.

2 stops28h 55m

Liberia

Fri 15/5

3:27 p.m.-9:26 p.m.

2 stops27h 59m

C$ 449

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:15 a.m.-10:24 a.m.

2 stops27h 09m

Liberia

Mon 27/4

3:27 p.m.-4:10 p.m.

2 stops22h 43m

C$ 473

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

6:00 a.m.-6:37 p.m.

2 stops37h 37m

Liberia

Fri 20/2

8:35 a.m.-3:16 p.m.

2 stops29h 41m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

4:45 p.m.-1:10 p.m.

2 stops21h 25m

Liberia

Fri 27/2

2:01 p.m.-9:17 p.m.

1 stop30h 16m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:35 p.m.-12:10 p.m.

2 stops19h 35m

Liberia

Sat 18/4

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

2 stops17h 13m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

2:20 p.m.-2:25 p.m.

2 stops26h 05m

Liberia

Sat 18/4

3:27 p.m.-1:09 p.m.

2 stops19h 42m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

2:13 p.m.-11:55 a.m.

2 stops23h 42m

Liberia

Mon 16/3

1:20 p.m.-2:00 p.m.

2 stops22h 40m

C$ 474

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/1

Showing 1-10 of 46 results
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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$ 445). 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 3 February 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 19% 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 evening 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?

Friday 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 8% 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 3 February 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
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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
502 reviews
Air Transat
7.7
Good
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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
1,559 reviews
Air Transat
7.7
Good
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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
3,254 reviews
Air Transat
7.7
Good
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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
10,676 reviews
Air Transat
7.7
Good
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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
2,496 reviews
Air Transat
7.7
Good
502 reviews
Check prices

Comfort

7.3

Boarding

7.9

Food

6.8

Entertainment

7.0

Overall

7.7

Crew

8.4

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 5h 45m. Avianca provides one of the quickest options available for as low as C$ 523. 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$ 206. Users have also found prices from C$ 222 and C$ 222 on Air Transat and Avianca, 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$ 237. On average you can expect to pay C$ 451. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 343.

  • 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$ 445). 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

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Alternative routes for Pierre Elliott Trudeau Intl to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 267AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 291AverageC$ 760FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 331AverageC$ 731FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 339AverageC$ 779FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Copa AirlinesCheapestC$ 340AverageC$ 800FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
AviancaCheapestC$ 341AverageC$ 581FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapestC$ 343AverageC$ 639FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 403AverageC$ 621FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 433AverageC$ 654FlexibilityNo cancel feeOn-time60%
Search WestJet flights
WestJet EncoreCheapestC$ 894AverageC$ 1,055FlexibilityNo 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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