Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal to Costa Rica from C$ 230

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
7 août — 14 août1
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 2 août 2025.

Round-trip from

C$ 542

One-way from

C$ 230

Popular in

December

Cheapest in

November

Average price

C$ 729

Good round-trip deal

C$ 546 or less

Good one-way deal

C$ 283 or less
American Airlines
  • American Airlines
  • 26/9-4/10
  • 3 total stops
  • 42h 01m total
  • Montreal to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 29/10
  • 2 total stops
  • 12h 37m total
  • Montreal to Costa Rica
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 121 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 August 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

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 2 août 2025.

ven. 26/910:38 a.m.YUL - SJO
2 stops11h 04mAmerican Airlines
ven. 3/107:27 a.m.SJO - YUL
1 stop29h 22mAmerican Airlines
Deal found 31/7C$ 542
ven. 12/911:25 p.m.YUL - SJO
1 stop11h 55mAvianca
lun. 22/910:10 a.m.SJO - YUL
1 stop9h 55mAvianca
Deal found 1/8C$ 545
mer. 3/126:45 a.m.YUL - LIR
1 stop30h 14mWestJet
mer. 17/123:20 p.m.LIR - YUL
1 stop8h 13mWestJet
Deal found 1/8C$ 557
mar. 30/99:45 a.m.YUL - LIR
2 stops28h 25mUnited Airlines
jeu. 9/101:20 p.m.LIR - YUL
2 stops28h 25mUnited Airlines
Deal found 31/7C$ 559
ven. 28/116:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
sam. 6/1212:55 a.m.SJO - YUL
1 stop15h 00mAir Transat
Deal found 31/7C$ 564
sam. 23/84:05 p.m.YUL - SJO
1 stop9h 30mMultiple Airlines
mar. 2/911:27 a.m.SJO - YUL
2 stops31h 50mMultiple Airlines
Deal found 1/8C$ 568
lun. 15/96:15 a.m.YUL - LIR
2 stops31h 55mMultiple Airlines
lun. 22/91:20 p.m.LIR - YUL
1 stop23h 30mMultiple Airlines
Deal found 31/7C$ 574
dim. 30/1110:30 p.m.YUL - LIR
1 stop17h 15mAir Canada
ven. 5/123:45 p.m.LIR - YUL
1 stop26h 37mAir Canada
Deal found 29/7C$ 575
mar. 2/121:25 p.m.YUL - LIR
2 stops50h 15mPorter Airlines
jeu. 11/123:40 p.m.LIR - YUL
2 stops44h 04mPorter Airlines
Deal found 31/7C$ 578
dim. 19/107:30 a.m.YUL - LIR
Nonstop6h 00mAir Transat
ven. 31/104:20 p.m.LIR - YUL
Nonstop5h 30mAir Transat
Deal found 30/7C$ 581

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 2 août 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

ven. 26/9

10:38 a.m.-7:42 p.m.

2 stops11h 04m

San José Juan Santamaria Intl

ven. 3/10

7:27 a.m.-2:49 p.m.

1 stop29h 22m

C$ 542

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

ven. 12/9

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

1 stop11h 55m

San José Juan Santamaria Intl

lun. 22/9

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

1 stop9h 55m

C$ 545

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

jeu. 6/11

2:30 p.m.-11:35 p.m.

1 stop10h 05m

San José Juan Santamaria Intl

jeu. 20/11

12:55 a.m.-10:10 p.m.

1 stop20h 15m

C$ 550

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mer. 3/12

6:45 a.m.-11:59 a.m.

1 stop30h 14m

Liberia

mer. 17/12

3:20 p.m.-12:33 a.m.

1 stop8h 13m

C$ 557

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mar. 30/9

9:45 a.m.-12:10 p.m.

2 stops28h 25m

Liberia

jeu. 9/10

1:20 p.m.-7:45 p.m.

2 stops28h 25m

C$ 559

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

mar. 4/11

1:20 p.m.-10:55 p.m.

2 stops34h 35m

San José Juan Santamaria Intl

ven. 14/11

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

Nonstop5h 40m

C$ 563

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

dim. 7/12

6:45 a.m.-2:40 p.m.

1 stop8h 55m

Liberia

dim. 14/12

3:40 p.m.-4:55 p.m.

1 stop24h 15m

C$ 566

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

lun. 15/9

6:15 a.m.-12:10 p.m.

2 stops31h 55m

Liberia

lun. 22/9

1:20 p.m.-2:50 p.m.

1 stop23h 30m

C$ 574

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

dim. 26/10

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

Nonstop6h 00m

Liberia

dim. 2/11

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

Nonstop5h 30m

C$ 621

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mer. 29/10

7:00 a.m.-5:37 p.m.

2 stops12h 37m

C$ 230

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 21 results
1
2
3

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 2 août 2025.

It’s typically best to fly out from Montreal to Costa Rica in the afternoon. Doing so could potentially save you 19% 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.

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 2 août 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.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,983 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Copa Airlines
7.5
Good
1,493 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,904 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Comfort

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 United Airlines (C$ 230), Avianca (C$ 246), and WestJet (C$ 253).

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

    While on average a flight from Montreal to Costa Rica is generally C$ 487, our data shows the cheapest flight currently is C$ 261. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), you can expect to pay C$ 391 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.

Alternative routes for Montreal to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Liberia flights
Pierre Elliott Trudeau Intl to San José flights
Pierre Elliott Trudeau Intl to Panama City flights
Pierre Elliott Trudeau Intl to San Salvador flights
Pierre Elliott Trudeau Intl to Guatemala City flights
Pierre Elliott Trudeau Intl to Managua flights
Ottawa to Liberia flights
Pierre Elliott Trudeau Intl to Philip S.W.Goldson flights
Ottawa to San José flights
Québec City to San José flights
Pierre Elliott Trudeau Intl to Coxen Hole flights
Québec City to Liberia flights
Québec City to Guatemala City flights
Ottawa to Guatemala City flights
Ottawa to San Salvador flights
Pierre Elliott Trudeau Intl to San Pedro Sula flights
Ottawa to Panama City flights
Ottawa to Philip S.W.Goldson flights
Québec City to Panama City flights
Québec City to San Salvador flights
Québec City to Managua flights
Québec City to Coxen Hole flights
Pierre Elliott Trudeau Intl to Flores flights
Ottawa to Managua flights
Québec City to Philip S.W.Goldson flights
Pierre Elliott Trudeau Intl to San Pedro Town flights
Pierre Elliott Trudeau Intl to Tegucigalpa flights
Ottawa to Tegucigalpa flights
Pierre Elliott Trudeau Intl to Panama City flights
Pierre Elliott Trudeau Intl to Placencia flights
Pierre Elliott Trudeau Intl to David flights
Québec City 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 2 août 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 343AverageC$ 756FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 372AverageC$ 888FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 403AverageC$ 622FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
AviancaCheapestC$ 416AverageC$ 592FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapestC$ 423AverageC$ 850FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 427AverageC$ 713FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Copa AirlinesCheapestC$ 485AverageC$ 863FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 509AverageC$ 869FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
Air TransatCheapestC$ 518AverageC$ 880FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 609AverageC$ 724FlexibilityNo cancel feeOn-time69%
Search United Airlines 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.