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Cheap flights from Montreal to Costa Rica from C$ 190

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
30 Jan — 6 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Costa Rica
Explore the most affordable flight options available from Montreal to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 December 2025.

Wed 31/124:45 p.m.YUL - SJO
2 stops30h 47mUnited Airlines
Sun 1/26:30 a.m.SJO - YUL
2 stops30h 30mUnited Airlines
Deal found 29/12C$ 413
Wed 31/124:45 p.m.YUL - LIR
2 stops19h 39mUnited Airlines
Mon 2/38:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 30/12C$ 455
Wed 31/124:45 p.m.YUL - LIR
2 stops19h 39mLufthansa
Fri 9/12:20 p.m.LIR - YUL
2 stops22h 40mLufthansa
Deal found 29/12C$ 460
Wed 31/124:45 p.m.YUL - LIR
2 stops19h 39mUnited Airlines
Fri 9/18:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 29/12C$ 471
Wed 31/124:45 p.m.YUL - LIR
1 stop22h 55mUnited Airlines
Tue 13/12:20 p.m.LIR - YUL
1 stop25h 30mUnited Airlines
Deal found 30/12C$ 489
Wed 31/124:45 p.m.YUL - LIR
1 stop22h 55mUnited Airlines
Tue 24/28:35 a.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 30/12C$ 515
Wed 31/124:45 p.m.YUL - LIR
1 stop22h 55mUnited Airlines
Thu 8/18:35 a.m.LIR - YUL
2 stops35h 42mUnited Airlines
Deal found 29/12C$ 516
Wed 31/124:45 p.m.YUL - SJO
1 stop21h 11mUnited Airlines
Mon 12/16:30 a.m.SJO - YUL
2 stops26h 50mUnited Airlines
Deal found 30/12C$ 523
Tue 30/124:45 p.m.YUL - LIR
2 stops21h 25mUnited Airlines
Tue 13/12:20 p.m.LIR - YUL
2 stops29h 57mUnited Airlines
Deal found 29/12C$ 528
Wed 31/124:45 p.m.YUL - LIR
1 stop22h 55mUnited Airlines
Fri 27/28:35 a.m.LIR - YUL
1 stop31h 15mUnited Airlines
Deal found 30/12C$ 534
Wed 31/123:50 p.m.YUL - LIR
1 stop22h 47mAmerican Airlines
Mon 2/21:46 p.m.LIR - YUL
1 stop22h 59mAmerican Airlines
Deal found 29/12C$ 535
Wed 31/124:45 p.m.YUL - SJO
2 stops21h 30mUnited Airlines
Tue 13/12:20 p.m.SJO - YUL
2 stops22h 40mUnited Airlines
Deal found 29/12C$ 544

Find flight deals from Montreal to Costa Rica

Keep the following information in mind while searching for Montreal to Costa Rica flight deals. Data was last updated 31 December 2025.

Round-trip from

C$ 411

One-way from

C$ 190

Popular in

July

Cheapest in

November

Average price

C$ 876

Good round-trip deal

C$ 551 or less

Good one-way deal

C$ 300 or less
Air Transat
  • Air Transat
  • 11/1-18/1
  • Nonstop
  • 11h 40m total
  • Montreal to Costa Rica
Search Deals
WestJet
  • WestJet
  • 4/3
  • 1 total stop
  • 8h 38m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Costa Rica.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Costa Rica.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 31 December 2025.
Use the filters below to find and compare flights from Montreal to Costa Rica that are best for you.

Fly from

Montreal

Fly to

Costa Rica

Route

Depart

Return

Price

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

4:45 p.m.-12:56 p.m.

1 stop21h 11m

San José Juan Santamaria Intl

Sun 8/2

8:45 a.m.-2:00 p.m.

2 stops28h 15m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

6:00 a.m.-12:56 p.m.

1 stop31h 56m

San José Juan Santamaria Intl

Fri 6/2

8:45 a.m.-2:00 p.m.

2 stops28h 15m

C$ 430

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

2:20 p.m.-12:21 p.m.

2 stops24h 01m

San José Juan Santamaria Intl

Tue 26/5

11:13 a.m.-10:11 a.m.

2 stops20h 58m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

4:45 p.m.-12:55 p.m.

1 stop21h 10m

Liberia

Tue 10/2

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

2 stops12h 07m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

4:45 p.m.-12:55 p.m.

1 stop21h 10m

Liberia

Thu 5/2

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

2 stops29h 57m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

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

1 stop31h 55m

Liberia

Sat 14/2

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

2 stops35h 42m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

4:45 p.m.-12:55 p.m.

1 stop21h 10m

Liberia

Mon 9/2

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

1 stop30h 16m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

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

2 stops21h 25m

Liberia

Sun 1/2

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

2 stops22h 27m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

3:00 p.m.-1:10 p.m.

2 stops23h 10m

Liberia

Sat 14/2

8:35 a.m.-2:00 p.m.

2 stops28h 25m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

2:13 p.m.-6:37 p.m.

2 stops29h 24m

Liberia

Sun 1/2

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

2 stops22h 27m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/12

Showing 1-10 of 42 results
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Best time to book a flight from Montreal to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Montreal 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 to Costa Rica

What is the cheapest month to book a flight from Montreal to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 200). Flying from Montreal to Costa Rica in July is currently the most expensive (average of C$ 439). 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 YMQ to CR?

Find hourly flight availability from Montreal 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 31 December 2025.

When flying from Montreal to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Montreal to Costa Rica delayed?

About 18% of weekly flights between Montreal and Costa Rica have experienced delays in the past year, with the average delay time being 151 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?

Saturday tends to have the lowest number of delays on this route, whereas Thursday 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 6% 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 31 December 2025.
Read through reviews of airlines operating flights from Montreal to Costa Rica, such as Air Transat,Copa Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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
490 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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
7.6
Good
1,566 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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
3,228 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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
10,571 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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
6.6
Okay
2,493 reviews
Air Transat
7.7
Good
490 reviews
Check prices

Overall

7.7

Comfort

7.3

Crew

8.4

Boarding

7.9

Entertainment

7.0

Food

6.7

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 Montreal 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 to Costa Rica?

    There are many flights that can get you from Montreal to Costa Rica in 21h 11m. Fly via United Airlines to get the fastest option. The distance from Montreal to Costa Rica is about 4065 km.

  • What are the cheapest airlines to fly from Montreal to Costa Rica one-way?

    The cheapest airlines for a one-way flight from Montreal to Costa Rica are Air Transat (C$ 222), Avianca (C$ 222), and Air Canada (C$ 228).

  • What are the cheapest flights from Montreal to Costa Rica?

    While on average a flight from Montreal to Costa Rica is generally C$ 586, our data shows the cheapest flight currently is C$ 215. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), you can expect to pay C$ 344 for that flight.

  • Can I find deals for flights from Montreal to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Montreal to Costa Rica?

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

  • Can I find deals for business class flights from Montreal to Costa Rica?

    Yes. Cheapflights offers flight deals from Montreal 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 to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 200). Flying from Montreal to Costa Rica in July is currently the most expensive (average of C$ 439). 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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Alternative routes for Montreal to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to San Pedro Town flights
Pierre Elliott Trudeau Intl to Tegucigalpa flights

Top 10 airlines flying from Montreal to Costa Rica

Discover the top 10 airlines that operate flights from Montreal 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 31 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 318AverageC$ 701FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 343AverageC$ 805FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 343AverageC$ 792FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 347AverageC$ 802FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 401AverageC$ 654FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapestC$ 406AverageC$ 589FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Copa AirlinesCheapestC$ 423AverageC$ 839FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Porter AirlinesCheapestC$ 466AverageC$ 629FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 474AverageC$ 678FlexibilityNo cancel feeOn-time60%
Search WestJet flights
WestJet EncoreCheapestC$ 896AverageC$ 1,058FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Costa Rica?

When you search for this flight from Montreal to Costa Rica, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Montreal 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 Montreal to Costa Rica.

Can Cheapflights find flights from Montreal to Costa Rica with no change fees?

Certainly. Search results for flights to Costa Rica from Montreal 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 Montreal 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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