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Cheap flights from Montreal to Costa Rica from C$ 249

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
1 Jul — 8 Jul1
1 adult

Cheap 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 26 June 2025.

Round-trip from

C$ 450

One-way from

C$ 249

Popular in

December

Cheapest in

November

Average price

C$ 699

Good round-trip deal

C$ 587 or less

Good one-way deal

C$ 318 or less
Avianca
  • Avianca
  • 21/9-27/9
  • 2 total stops
  • 30h 20m total
  • Montreal to Costa Rica
Avianca
  • Avianca
  • 15/9
  • 1 total stop
  • 18h 25m total
  • Montreal to Costa Rica
Highest demand for flights based on searches. 8% potential increase in price (C$ 103 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease (C$ 54 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Montreal (YMQ) to Costa Rica.
Price to beat on a one-way flight from Montreal (YMQ) to Costa Rica.

Find flight deals from Montreal to Costa Rica

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 26 June 2025.

Sun 21/911:25 p.m.YUL - SJO
1 stop11h 55mAvianca
Sat 27/91:40 a.m.SJO - YUL
1 stop18h 25mAvianca
Deal found 24/6C$ 450
Mon 3/1110:00 p.m.YUL - SJO
1 stop12h 20mMultiple Airlines
Wed 12/111:15 a.m.SJO - YUL
Nonstop5h 40mMultiple Airlines
Deal found 24/6C$ 532
Wed 12/116:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
Wed 26/111:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 24/6C$ 533
Tue 4/116:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
Wed 12/119:00 a.m.SJO - YUL
Nonstop5h 45mAir Canada
Deal found 24/6C$ 539
Sun 31/85:36 p.m.YUL - LIR
2 stops21h 50mAmerican Airlines
Wed 10/912:49 p.m.LIR - YUL
2 stops19h 09mAmerican Airlines
Deal found 25/6C$ 546
Sat 6/128:45 a.m.YUL - LIR
Nonstop6h 10mAir Canada
Wed 10/121:55 p.m.LIR - YUL
2 stops23h 13mAir Canada
Deal found 24/6C$ 556
Sat 8/116:45 a.m.YUL - LIR
1 stop8h 40mMultiple Airlines
Thu 20/112:55 p.m.LIR - YUL
1 stop8h 45mMultiple Airlines
Deal found 24/6C$ 558
Tue 21/103:58 p.m.YUL - SJO
1 stop23h 19mAmerican Airlines
Thu 30/1012:55 p.m.SJO - YUL
2 stops18h 53mAmerican Airlines
Deal found 25/6C$ 570
Sat 11/106:45 a.m.YUL - LIR
1 stop7h 36mWestJet
Sat 18/101:25 p.m.LIR - YUL
1 stop9h 02mWestJet
Deal found 25/6C$ 570
Sat 13/128:00 p.m.YUL - LIR
1 stop19h 40mPorter Airlines
Thu 25/123:40 p.m.LIR - YUL
1 stop16h 18mPorter Airlines
Deal found 26/6C$ 581
Fri 7/112:35 p.m.YUL - LIR
1 stop24h 50mAir Transat
Fri 14/115:20 p.m.LIR - YUL
Nonstop5h 30mAir Transat
Deal found 24/6C$ 587
Tue 19/811:23 a.m.YUL - SJO
1 stop10h 56mUnited Airlines
Fri 29/81:30 p.m.SJO - YUL
2 stops19h 10mUnited Airlines
Deal found 24/6C$ 621

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 26 June 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

Sun 21/9

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

1 stop11h 55m

San José Juan Santamaria Intl

Sat 27/9

1:40 a.m.-10:05 p.m.

1 stop18h 25m

C$ 450

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

10:00 p.m.-9:20 a.m.

1 stop12h 20m

San José Juan Santamaria Intl

Wed 12/11

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

Nonstop5h 40m

C$ 532

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Wed 26/11

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

Nonstop5h 40m

C$ 533

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

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

Nonstop5h 55m

San José Juan Santamaria Intl

Wed 12/11

9:00 a.m.-3:45 p.m.

Nonstop5h 45m

C$ 539

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

5:36 p.m.-1:26 p.m.

2 stops21h 50m

Liberia

Wed 10/9

12:49 p.m.-9:58 a.m.

2 stops19h 09m

C$ 546

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

8:45 a.m.-1:55 p.m.

Nonstop6h 10m

Liberia

Wed 10/12

1:55 p.m.-2:08 p.m.

2 stops23h 13m

C$ 556

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

6:45 a.m.-2:25 p.m.

1 stop8h 40m

Liberia

Thu 20/11

2:55 p.m.-12:40 a.m.

1 stop8h 45m

C$ 558

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

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

1 stop7h 36m

Liberia

Sat 18/10

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

1 stop9h 02m

C$ 570

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

3:58 p.m.-1:17 p.m.

1 stop23h 19m

San José Juan Santamaria Intl

Thu 30/10

12:55 p.m.-9:48 a.m.

2 stops18h 53m

C$ 570

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 13/12

8:00 p.m.-2:40 p.m.

1 stop19h 40m

Liberia

Thu 25/12

3:40 p.m.-8:58 a.m.

1 stop16h 18m

C$ 581

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 33 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, September is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 486). Flying from Montreal 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 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 26 June 2025.

It’s typically best to fly out from Montreal to Costa Rica in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Montreal to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Costa Rica. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Costa Rica flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday 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 26 June 2025.
Read through reviews of airlines operating flights from Montreal to Costa Rica, such as Porter Airlines,Delta, andAir Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
8.0
Very good

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Entertainment

7.0

Overall

8.0

Boarding

8.2

Comfort

8.1

Food

7.6

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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.
  • 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 Avianca (C$ 249), American Airlines (C$ 293), and Air Transat (C$ 339).

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

    While on average a flight from Montreal to Costa Rica is generally C$ 592, our data shows the cheapest flight currently is C$ 294. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 496 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, September is the cheapest month in which you can book a flight from Montreal to Costa Rica (average of C$ 486). Flying from Montreal 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 339AverageC$ 732FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 367AverageC$ 887FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 417AverageC$ 894FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 417AverageC$ 598FlexibilityNo cancel feeOn-time71%
Search Avianca flights
WestJetCheapestC$ 421AverageC$ 704FlexibilityNo cancel feeOn-time60%
Search WestJet flights
ArajetCheapestC$ 427AverageC$ 523FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Copa AirlinesCheapestC$ 473AverageC$ 853FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 529AverageC$ 867FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 602AverageC$ 713FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 884AverageC$ 1,112FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

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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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