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Cheap flights from Montreal to Costa Rica from C$ 246

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 443

One-way from

C$ 261

Popular in

December

Cheapest in

November

Average price

C$ 699

Good round-trip deal

C$ 607 or less

Good one-way deal

C$ 318 or less
Avianca
  • Avianca
  • 10/9-16/9
  • 2 total stops
  • 30h 05m total
  • Montreal to Costa Rica
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WestJet
  • WestJet
  • 2/7
  • 1 total stop
  • 7h 39m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 54 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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.
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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 12 June 2025.

Mon 10/1110:00 p.m.YUL - SJO
1 stop12h 20mAvianca
Sun 23/112:15 a.m.SJO - YUL
1 stop17h 20mAvianca
Deal found 11/6C$ 440
Fri 13/64:40 p.m.YUL - SJO
Nonstop5h 45mAir Canada
Thu 19/67:55 a.m.SJO - YUL
Nonstop5h 50mAir Canada
Deal found 10/6C$ 505
Wed 11/64:40 p.m.YUL - SJO
Nonstop5h 45mMultiple Airlines
Tue 17/63:05 p.m.SJO - YUL
2 stops14h 31mMultiple Airlines
Deal found 10/6C$ 510
Sat 5/76:45 a.m.YUL - LIR
1 stop7h 39mWestJet
Wed 16/71:25 p.m.LIR - YUL
1 stop9h 12mWestJet
Deal found 10/6C$ 536
Sun 14/127:05 a.m.YUL - LIR
1 stop30h 15mAmerican Airlines
Fri 23/12:59 p.m.LIR - YUL
2 stops21h 36mAmerican Airlines
Deal found 11/6C$ 540
Sun 26/1011:00 a.m.YUL - LIR
Nonstop6h 00mMultiple Airlines
Wed 5/112:55 p.m.LIR - YUL
1 stop8h 45mMultiple Airlines
Deal found 10/6C$ 541
Sun 26/104:45 p.m.YUL - LIR
2 stops21h 10mAir Canada
Wed 5/111:55 p.m.LIR - YUL
2 stops19h 58mAir Canada
Deal found 10/6C$ 548
Sun 12/107:30 a.m.YUL - LIR
Nonstop6h 00mAir Transat
Sun 26/104:10 p.m.LIR - YUL
Nonstop5h 30mAir Transat
Deal found 11/6C$ 572
Wed 3/126:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
Wed 10/121:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 11/6C$ 574
Sat 29/1112:10 p.m.YUL - SJO
1 stop8h 52mAmerican Airlines
Fri 5/1211:35 a.m.SJO - YUL
2 stops23h 40mAmerican Airlines
Deal found 11/6C$ 603
Mon 18/89:45 a.m.YUL - SJO
3 stops28h 41mUnited Airlines
Wed 27/81:30 p.m.SJO - YUL
2 stops25h 56mUnited Airlines
Deal found 10/6C$ 623
Tue 19/88:42 a.m.YUL - SJO
1 stop9h 40mCopa Airlines
Thu 28/88:09 a.m.SJO - YUL
1 stop14h 31mCopa Airlines
Deal found 11/6C$ 654

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 12 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

Mon 10/11

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

1 stop12h 20m

San José Juan Santamaria Intl

Sun 23/11

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

1 stop17h 20m

C$ 440

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

10:10 p.m.-10:25 p.m.

1 stop25h 15m

San José Juan Santamaria Intl

Mon 8/12

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

Nonstop5h 45m

C$ 525

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 26/8

8:42 a.m.-4:22 p.m.

1 stop9h 40m

San José Juan Santamaria Intl

Tue 9/9

10:57 a.m.-12:40 a.m.

1 stop11h 43m

C$ 530

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

12:10 p.m.-8:02 p.m.

1 stop8h 52m

San José Juan Santamaria Intl

Tue 11/11

3:50 p.m.-1:30 p.m.

1 stop20h 40m

C$ 535

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 5/7

6:45 a.m.-12:24 p.m.

1 stop7h 39m

Liberia

Wed 16/7

1:25 p.m.-12:37 a.m.

1 stop9h 12m

C$ 536

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 21/8

2:35 p.m.-11:25 a.m.

1 stop22h 50m

Liberia

Sat 6/9

12:20 p.m.-9:46 a.m.

2 stops19h 26m

C$ 540

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 1/7

11:15 a.m.-11:35 p.m.

2 stops14h 20m

San José Juan Santamaria Intl

Tue 8/7

3:05 p.m.-8:21 a.m.

2 stops15h 16m

C$ 541

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

11:00 a.m.-3:00 p.m.

Nonstop6h 00m

Liberia

Wed 5/11

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

1 stop8h 45m

C$ 541

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

4:45 p.m.-11:55 a.m.

2 stops21h 10m

Liberia

Wed 5/11

1:55 p.m.-10:53 a.m.

2 stops19h 58m

C$ 548

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 19/10

7:30 a.m.-11:30 a.m.

Nonstop6h 00m

Liberia

Sun 2/11

5:10 p.m.-11:40 p.m.

Nonstop5h 30m

C$ 559

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 29 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 12 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.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 300.0 mm per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 mm.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

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 12 June 2025.
Read reviews from past customers who have flown Delta, Air Transat and Copa Airlines from Montreal to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7.8
Good
396 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
1,451 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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 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 WestJet (C$ 261), Avianca (C$ 267), and Air Canada (C$ 284).

  • 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$ 294. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 444 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

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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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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 339AverageC$ 732FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 367AverageC$ 891FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 414AverageC$ 912FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 418AverageC$ 598FlexibilityNo cancel feeOn-time71%
Search Avianca flights
WestJetCheapestC$ 419AverageC$ 708FlexibilityNo cancel feeOn-time60%
Search WestJet flights
ArajetCheapestC$ 427AverageC$ 523FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Copa AirlinesCheapestC$ 478AverageC$ 856FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 525AverageC$ 867FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 605AverageC$ 718FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AeromexicoCheapestC$ 688AverageC$ 919FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico 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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