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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 232

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SJO
3 Aug — 10 Aug1
1 adult

Cheap 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 29 July 2025.

Round-trip from

C$ 551

One-way from

C$ 232

Popular in

December

Cheapest in

November

Average price

C$ 927

Good round-trip deal

C$ 542 or less

Good one-way deal

C$ 281 or less
Air Canada
  • Air Canada
  • 29/11-11/12
  • 2 total stops
  • 23h 12m total
  • Montreal to Costa Rica
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United Airlines
  • United Airlines
  • 1/8
  • 1 total stop
  • 20h 58m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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.
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Find flight deals from Pierre Elliott Trudeau Intl to Costa Rica

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 29 July 2025.

Sat 29/116:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Thu 11/125:05 a.m.SJO - YUL
2 stops17h 17mAir Canada
Deal found 29/7C$ 551
Mon 1/1210:00 p.m.YUL - SJO
1 stop19h 00mAvianca
Sun 14/122:15 a.m.SJO - YUL
1 stop17h 20mAvianca
Deal found 28/7C$ 553
Sat 25/107:29 a.m.YUL - SJO
2 stops12h 47mAmerican Airlines
Sun 2/111:09 p.m.SJO - YUL
2 stops22h 06mAmerican Airlines
Deal found 28/7C$ 556
Fri 28/116:45 a.m.YUL - LIR
1 stop8h 44mWestJet
Thu 4/1212:50 p.m.LIR - YUL
1 stop10h 43mWestJet
Deal found 28/7C$ 557
Sat 6/122:30 p.m.YUL - LIR
1 stop25h 10mMultiple Airlines
Fri 12/123:20 p.m.LIR - YUL
1 stop8h 13mMultiple Airlines
Deal found 29/7C$ 560
Sun 14/96:15 a.m.YUL - LIR
2 stops31h 55mUnited Airlines
Sun 21/91:20 p.m.LIR - YUL
2 stops30h 09mUnited Airlines
Deal found 28/7C$ 562
Thu 11/126:00 a.m.YUL - LIR
1 stop9h 45mAir Canada
Wed 17/122:50 p.m.LIR - YUL
Nonstop5h 35mAir Canada
Deal found 28/7C$ 564
Tue 2/126:00 p.m.YUL - LIR
2 stops45h 40mPorter Airlines
Sun 7/123:40 p.m.LIR - YUL
1 stop17h 00mPorter Airlines
Deal found 28/7C$ 571
Sat 29/116:45 a.m.YUL - SJO
1 stop17h 50mAir Transat
Wed 10/121:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 28/7C$ 573
Sat 1/115:24 p.m.YUL - LIR
2 stops22h 44mAmerican Airlines
Sat 8/112:21 p.m.LIR - YUL
1 stop23h 50mAmerican Airlines
Deal found 29/7C$ 583
Fri 22/811:25 p.m.YUL - SJO
1 stop11h 55mMultiple Airlines
Tue 2/911:27 a.m.SJO - YUL
2 stops31h 50mMultiple Airlines
Deal found 28/7C$ 591

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 29 July 2025.
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

Sat 29/11

6:20 p.m.-11:15 p.m.

Nonstop5h 55m

San José Juan Santamaria Intl

Thu 11/12

5:05 a.m.-11:22 p.m.

2 stops17h 17m

C$ 551

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

10:00 p.m.-12:15 a.m.

1 stop27h 15m

San José Juan Santamaria Intl

Sun 7/12

2:15 a.m.-8:35 p.m.

1 stop17h 20m

C$ 553

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

7:29 a.m.-6:16 p.m.

2 stops12h 47m

San José Juan Santamaria Intl

Sun 2/11

1:09 p.m.-12:15 p.m.

2 stops22h 06m

C$ 556

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

6:15 a.m.-12:10 p.m.

2 stops31h 55m

Liberia

Sun 21/9

1:20 p.m.-9:29 p.m.

2 stops30h 09m

C$ 562

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

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

1 stop7h 36m

Liberia

Sun 26/10

4:15 p.m.-8:32 a.m.

1 stop14h 17m

C$ 568

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 29/11

6:45 a.m.-11:35 p.m.

1 stop17h 50m

San José Juan Santamaria Intl

Wed 10/12

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

Nonstop5h 40m

C$ 573

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

1 stop7h 36m

Liberia

Wed 17/9

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

1 stop9h 02m

C$ 576

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

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

1 stop9h 00m

Liberia

Tue 28/10

2:45 p.m.-8:22 a.m.

1 stop15h 37m

C$ 586

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 22/8

11:25 p.m.-9:20 a.m.

1 stop11h 55m

San José Juan Santamaria Intl

Tue 2/9

11:27 a.m.-9:17 p.m.

2 stops31h 50m

C$ 591

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

7:00 a.m.-1:26 p.m.

1 stop8h 26m

Liberia

Sun 7/9

2:01 p.m.-11:46 a.m.

2 stops19h 45m

C$ 616

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 24 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 486). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in December is currently the most expensive (average of C$ 683). 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 29 July 2025.

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Costa Rica. Price data was last updated on 27 July 2025.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 July 2025.
See what other customers who have flown with Delta,Air Transat, andCopa Airlines 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.
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.
Air Transat
7.7
Good
424 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Nick,Sep 2023

ATL - SYR

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

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.

  • 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 United Airlines. According to our data, you can fly for as low as C$ 232. Users have also found prices from C$ 250 and C$ 269 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$ 259. On average you can expect to pay C$ 483. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 396.

  • 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica (average of C$ 486). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in December is currently the most expensive (average of C$ 683). 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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 341AverageC$ 750FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 369AverageC$ 880FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 400AverageC$ 617FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
AviancaCheapestC$ 412AverageC$ 587FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapestC$ 420AverageC$ 843FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 423AverageC$ 708FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Copa AirlinesCheapestC$ 481AverageC$ 856FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 505AverageC$ 862FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air TransatCheapestC$ 514AverageC$ 873FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 604AverageC$ 719FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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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.

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