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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 203

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SJO
3 dic. — 10 dic.1
1 adult
1 adult, Economy, 0 bags

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 3 noviembre 2025.

Round-trip from

C$ 409

One-way from

C$ 203

Popular in

December

Cheapest in

November

Average price

C$ 551

Good round-trip deal

C$ 450 or less

Good one-way deal

C$ 250 or less
Air Transat
  • Air Transat
  • 21/11-26/11
  • Nonstop
  • 11h 40m total
  • Montreal to Costa Rica
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United Airlines
  • United Airlines
  • 12/11
  • 2 total stops
  • 12h 37m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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

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 noviembre 2025.

vie. 7/116:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
vie. 14/111:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 2/11C$ 409
mié. 26/119:15 a.m.YUL - SJO
2 stops27h 10mUnited Airlines
lun. 15/1211:28 p.m.SJO - YUL
2 stops13h 32mUnited Airlines
Deal found 3/11C$ 410
jue. 27/116:00 a.m.YUL - LIR
2 stops32h 10mUnited Airlines
jue. 4/122:20 p.m.LIR - YUL
2 stops29h 57mUnited Airlines
Deal found 31/10C$ 417
lun. 10/118:50 a.m.YUL - SJO
2 stops15h 05mAir Canada
mar. 11/118:35 a.m.SJO - YUL
2 stops11h 09mAir Canada
Deal found 3/11C$ 423
mar. 18/116:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
mar. 25/118:35 a.m.SJO - YUL
2 stops11h 09mAir Canada
Deal found 31/10C$ 431
vie. 5/124:45 p.m.YUL - LIR
2 stops21h 25mUnited Airlines
vie. 12/122:20 p.m.LIR - YUL
2 stops29h 57mUnited Airlines
Deal found 3/11C$ 431
lun. 3/114:45 p.m.YUL - LIR
2 stops21h 25mUnited Airlines
lun. 10/112:20 p.m.LIR - YUL
2 stops23h 56mUnited Airlines
Deal found 2/11C$ 434
mié. 26/119:15 a.m.YUL - SJO
2 stops29h 00mUnited Airlines
jue. 4/1211:28 p.m.SJO - YUL
2 stops20h 49mUnited Airlines
Deal found 3/11C$ 445
vie. 28/114:45 p.m.YUL - SJO
2 stops21h 30mUnited Airlines
lun. 8/128:45 a.m.SJO - YUL
2 stops28h 15mUnited Airlines
Deal found 1/11C$ 447
jue. 4/126:00 a.m.YUL - LIR
2 stops13h 37mUnited Airlines
sáb. 13/122:20 p.m.LIR - YUL
2 stops22h 40mUnited Airlines
Deal found 3/11C$ 447
mié. 26/116:55 p.m.YUL - SJO
Nonstop6h 00mMultiple Airlines
sáb. 6/125:00 a.m.SJO - YUL
1 stop7h 40mMultiple Airlines
Deal found 2/11C$ 451
vie. 5/124:45 p.m.YUL - LIR
2 stops26h 52mUnited Airlines
dom. 14/128:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 2/11C$ 451

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 noviembre 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

sáb. 6/12

3:00 p.m.-1:15 p.m.

2 stops23h 15m

San José Juan Santamaria Intl

mar. 23/12

2:05 p.m.-9:17 p.m.

1 stop30h 12m

C$ 410

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 7/1

2:13 p.m.-12:55 p.m.

2 stops23h 42m

Liberia

jue. 22/1

2:01 p.m.-1:28 p.m.

2 stops22h 27m

C$ 417

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

vie. 5/12

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

2 stops21h 25m

Liberia

vie. 12/12

8:35 a.m.-9:17 p.m.

2 stops35h 42m

C$ 417

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 4/2

6:00 a.m.-12:55 p.m.

1 stop31h 55m

Liberia

mar. 10/2

8:35 a.m.-9:42 p.m.

2 stops12h 07m

C$ 417

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mar. 9/12

9:15 a.m.-1:10 p.m.

2 stops28h 55m

Liberia

mar. 23/12

2:20 p.m.-9:17 p.m.

2 stops29h 57m

C$ 417

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

sáb. 24/1

9:15 a.m.-12:55 p.m.

2 stops28h 40m

Liberia

jue. 5/2

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

2 stops22h 08m

C$ 417

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 3/12

3:00 p.m.-6:37 p.m.

2 stops28h 37m

Liberia

dom. 14/12

8:35 a.m.-9:17 p.m.

2 stops35h 42m

C$ 431

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

lun. 17/11

4:45 p.m.-7:53 p.m.

2 stops28h 08m

San José Juan Santamaria Intl

mié. 10/12

2:00 p.m.-3:16 p.m.

2 stops24h 16m

C$ 445

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

sáb. 18/4

9:30 a.m.-12:10 p.m.

2 stops28h 40m

Liberia

jue. 30/4

3:25 p.m.-10:11 a.m.

2 stops16h 46m

C$ 447

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 4/2

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

2 stops21h 25m

Liberia

mar. 24/2

8:35 a.m.-9:42 p.m.

2 stops12h 07m

C$ 447

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 39 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$ 213). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 468). 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 noviembre 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 in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 33% 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 2 November 2025.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday mornings 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 3 noviembre 2025.
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
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Copa Airlines
7.6
Good
1,561 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,153 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,398 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Avianca
6.6
Okay
2,470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Crew

8.5

Entertainment

7.1

Comfort

7.4

Overall

7.8

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 23h 15m. United Airlines provides one of the quickest options available for as low as C$ 410. There are 4065 km between Montreal Pierre Elliott Trudeau Intl Airport and Costa Rica.

  • 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$ 206. On average you can expect to pay C$ 598. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), can usually be booked for C$ 347.

  • 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$ 213). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica in July is currently the most expensive (average of C$ 468). 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 noviembre 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 351AverageC$ 843FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 372AverageC$ 849FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 375AverageC$ 786FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 375AverageC$ 850FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
AviancaCheapestC$ 399AverageC$ 604FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapestC$ 410AverageC$ 689FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Copa AirlinesCheapestC$ 436AverageC$ 859FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
WestJetCheapestC$ 483AverageC$ 709FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 484AverageC$ 631FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJet EncoreCheapestC$ 904AverageC$ 1,030FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

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

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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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