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Cheap flights from Montreal to Costa Rica from C$ 226

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
16 Apr — 23 Apr1
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 11 April 2025.

Round-trip from

C$ 529

One-way from

C$ 226

Popular in

December

Cheapest in

June

Average price

C$ 778

Good round-trip deal

C$ 518 or less

Good one-way deal

C$ 225 or less
Avianca
  • Avianca
  • 10/9-17/9
  • 2 total stops
  • 21h 50m total
  • Montreal to Costa Rica
Search Deals
Air Transat
  • Air Transat
  • 18/4
  • Nonstop
  • 6h 00m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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.
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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 11 April 2025.

Wed 10/911:25 p.m.YUL - SJO
1 stop11h 55mAvianca
Wed 17/910:10 a.m.SJO - YUL
1 stop9h 55mAvianca
Deal found 10/4C$ 529
Tue 13/56:45 a.m.YUL - LIR
1 stop7h 39mWestJet
Fri 6/61:25 p.m.LIR - YUL
1 stop9h 12mWestJet
Deal found 10/4C$ 531
Sat 12/48:29 a.m.YUL - SJO
1 stop9h 54mCopa Airlines
Sat 19/45:52 p.m.SJO - YUL
1 stop28h 48mCopa Airlines
Deal found 11/4C$ 535
Sat 26/47:00 a.m.YUL - LIR
1 stop8h 16mAmerican Airlines
Fri 2/52:05 p.m.LIR - YUL
1 stop22h 50mAmerican Airlines
Deal found 10/4C$ 535
Wed 20/82:40 p.m.YUL - SJO
1 stop24h 40mAmerican Airlines
Mon 8/92:20 p.m.SJO - YUL
2 stops21h 10mAmerican Airlines
Deal found 10/4C$ 542
Mon 19/58:41 a.m.YUL - SJO
1 stop9h 41mMultiple Airlines
Wed 28/511:32 a.m.SJO - YUL
1 stop24h 48mMultiple Airlines
Deal found 9/4C$ 550
Sat 26/410:50 a.m.YUL - LIR
Nonstop5h 55mAir Canada
Thu 1/54:35 p.m.LIR - YUL
1 stop14h 48mAir Canada
Deal found 10/4C$ 611
Wed 23/72:20 p.m.YUL - SJO
2 stops21h 51mUnited Airlines
Wed 13/85:30 a.m.SJO - YUL
2 stops27h 10mUnited Airlines
Deal found 9/4C$ 623
Sun 20/47:55 p.m.YUL - LIR
1 stop21h 05mAir Transat
Sun 25/512:40 p.m.LIR - YUL
Nonstop5h 30mAir Transat
Deal found 11/4C$ 651
Wed 23/79:15 a.m.YUL - LIR
2 stops26h 45mUnited Airlines
Wed 13/81:20 p.m.LIR - YUL
2 stops19h 20mUnited Airlines
Deal found 9/4C$ 671
Sat 17/57:00 a.m.YUL - LIR
1 stop8h 15mDelta
Thu 5/61:25 p.m.LIR - YUL
1 stop8h 29mDelta
Deal found 10/4C$ 705
Sat 12/45:15 p.m.YUL - SJO
Nonstop5h 50mAir Canada
Fri 18/47:55 a.m.SJO - YUL
2 stops20h 36mAir Canada
Deal found 10/4C$ 713

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 11 April 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

Wed 10/9

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

1 stop11h 55m

San José Juan Santamaria Intl

Wed 17/9

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

1 stop9h 55m

C$ 529

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

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

1 stop7h 39m

Liberia

Fri 6/6

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

1 stop9h 12m

C$ 531

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 6/5

3:44 p.m.-1:15 p.m.

1 stop23h 31m

San José Juan Santamaria Intl

Fri 16/5

2:10 p.m.-1:44 p.m.

1 stop21h 34m

C$ 532

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 26/4

7:00 a.m.-1:16 p.m.

1 stop8h 16m

Liberia

Fri 2/5

2:05 p.m.-2:55 p.m.

1 stop22h 50m

C$ 535

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

8:41 a.m.-4:22 p.m.

1 stop9h 41m

San José Juan Santamaria Intl

Wed 28/5

11:32 a.m.-2:20 p.m.

1 stop24h 48m

C$ 550

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 26/5

8:41 a.m.-4:22 p.m.

1 stop9h 41m

San José Juan Santamaria Intl

Mon 2/6

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

1 stop11h 43m

C$ 585

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 26/4

10:50 a.m.-2:45 p.m.

Nonstop5h 55m

Liberia

Thu 1/5

4:35 p.m.-9:23 a.m.

1 stop14h 48m

C$ 611

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 23/7

2:20 p.m.-10:11 a.m.

2 stops21h 51m

San José Juan Santamaria Intl

Thu 14/8

1:30 p.m.-5:26 p.m.

2 stops25h 56m

C$ 623

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 23/7

9:45 a.m.-10:00 a.m.

2 stops26h 15m

Liberia

Fri 15/8

3:25 p.m.-5:26 p.m.

2 stops24h 01m

C$ 671

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

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

Nonstop6h 00m

Liberia

Sun 8/6

12:40 p.m.-8:10 p.m.

Nonstop5h 30m

C$ 701

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 30 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 11 April 2025.

It’s typically best to fly out from Montreal to Costa Rica in the afternoon. Doing so could potentially save you 17% 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. Saturday 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 11 April 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
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,911 reviews
Delta
8.0
Very good
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
385 reviews
Delta
8.0
Very good
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
7.6
Good
1,408 reviews
Delta
8.0
Very good
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
1,575 reviews
Delta
8.0
Very good
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
8,636 reviews
Delta
8.0
Very good
7,911 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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 Air Transat (C$ 226), Air Canada (C$ 237), and WestJet (C$ 264).

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

    While on average a flight from Montreal to Costa Rica is generally C$ 640, our data shows the cheapest flight currently is C$ 299. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - San José Juan Santamaria Intl), you can expect to pay C$ 569 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 353AverageC$ 780FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 422AverageC$ 731FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 430AverageC$ 899FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ArajetCheapestC$ 439AverageC$ 522FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air CanadaCheapestC$ 446AverageC$ 932FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapestC$ 446AverageC$ 648FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Copa AirlinesCheapestC$ 500AverageC$ 889FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
Air TransatCheapestC$ 560AverageC$ 892FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 618AverageC$ 755FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AeromexicoCheapestC$ 701AverageC$ 1,012FlexibilityNo 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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