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Cheap flights from Montreal to Costa Rica from C$ 236

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SJO
1 ene. — 8 ene.1
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 2 diciembre 2025.

mié. 3/126:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
mié. 17/121:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 30/11C$ 415
vie. 5/126:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
lun. 15/121:15 a.m.SJO - YUL
Nonstop5h 40mAir Transat
Deal found 30/11C$ 419
lun. 8/128:50 a.m.YUL - SJO
2 stops15h 05mAir Canada
lun. 15/128:50 a.m.SJO - YUL
Nonstop5h 40mAir Canada
Deal found 1/12C$ 422
dom. 7/126:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
lun. 15/128:50 a.m.SJO - YUL
Nonstop5h 40mAir Canada
Deal found 2/12C$ 426
vie. 5/126:55 p.m.YUL - SJO
Nonstop6h 00mAir Transat
mar. 16/1212:55 a.m.SJO - YUL
1 stop22h 40mAir Transat
Deal found 30/11C$ 428
lun. 1/128:10 p.m.YUL - SJO
1 stop27h 45mAir Canada
lun. 8/128:35 a.m.SJO - YUL
1 stop16h 18mAir Canada
Deal found 30/11C$ 431
lun. 1/1210:30 p.m.YUL - SJO
1 stop25h 25mAir Canada
mar. 9/128:35 a.m.SJO - YUL
1 stop14h 57mAir Canada
Deal found 30/11C$ 432
mié. 3/122:13 p.m.YUL - LIR
2 stops29h 24mUnited Airlines
mar. 9/128:35 a.m.LIR - YUL
2 stops12h 07mUnited Airlines
Deal found 2/12C$ 432
jue. 4/124:45 p.m.YUL - LIR
2 stops21h 25mUnited Airlines
mar. 9/122:20 p.m.LIR - YUL
2 stops28h 28mUnited Airlines
Deal found 30/11C$ 433
mar. 2/126:20 p.m.YUL - SJO
Nonstop5h 55mAir Canada
mar. 9/128:35 a.m.SJO - YUL
2 stops11h 15mAir Canada
Deal found 1/12C$ 436
dom. 7/1210:45 p.m.YUL - LIR
1 stop17h 00mAir Canada
mié. 10/123:45 p.m.LIR - YUL
1 stop15h 03mAir Canada
Deal found 30/11C$ 436
mar. 9/123:00 p.m.YUL - LIR
2 stops23h 10mUnited Airlines
mar. 13/12:20 p.m.LIR - YUL
2 stops29h 57mUnited Airlines
Deal found 2/12C$ 440

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 2 diciembre 2025.

Round-trip from

C$ 410

One-way from

C$ 236

Popular in

December

Cheapest in

November

Average price

C$ 1,005

Good round-trip deal

C$ 489 or less

Good one-way deal

C$ 250 or less
Avianca
  • Avianca
  • 28/1-10/2
  • 2 total stops
  • 29h 40m total
  • Montreal to Costa Rica
Search Deals
5/1
  • 5/1
  • 1 total stop
  • 18h 50m total
  • Montreal to Costa Rica
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 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 2 diciembre 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

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

dom. 18/1

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

1 stop31h 55m

Liberia

lun. 26/1

2:20 p.m.-2:00 p.m.

2 stops22h 40m

C$ 426

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

dom. 18/1

9:15 a.m.-12:55 p.m.

2 stops28h 40m

Liberia

dom. 1/2

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

2 stops28h 25m

C$ 426

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

dom. 18/1

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

1 stop31h 55m

Liberia

mié. 18/2

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

2 stops28h 25m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 25/3

6:55 p.m.-2:00 p.m.

2 stops21h 05m

Liberia

mar. 7/4

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

2 stops20h 00m

C$ 438

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mar. 20/1

7:00 a.m.-6:37 p.m.

2 stops12h 37m

Liberia

jue. 29/1

2:20 p.m.-1:28 p.m.

2 stops22h 08m

C$ 473

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mar. 21/4

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

2 stops28h 25m

Liberia

jue. 30/4

1:20 p.m.-2:42 p.m.

2 stops23h 22m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

sáb. 24/1

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

1 stop21h 10m

Liberia

sáb. 31/1

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

2 stops35h 42m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

sáb. 10/1

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

1 stop21h 10m

Liberia

mié. 21/1

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

2 stops12h 07m

C$ 474

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mar. 7/4

6:45 a.m.-12:55 p.m.

1 stop8h 10m

Liberia

mar. 14/4

1:55 p.m.-12:35 a.m.

1 stop8h 40m

C$ 477

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

mié. 18/2

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

1 stop31h 55m

Liberia

lun. 23/2

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

2 stops28h 25m

C$ 484

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 43 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$ 203). Flying from Montreal to Costa Rica in July is currently the most expensive (average of C$ 466). 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 diciembre 2025.

It’s typically best to fly out from Montreal to Costa Rica in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the morning, 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 Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 153 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 5% 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 2 diciembre 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
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
480 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Copa Airlines
7.6
Good
1,559 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,190 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,497 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Avianca
6.6
Okay
2,478 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Crew

8.4

Boarding

7.9

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 05m. Fly via United Airlines or Porter Airlines to get the fastest option. The distance from Montreal to Costa Rica is about 4033 km. This flight may include one or multiple stops.

  • 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$ 227), Air Transat (C$ 229), and Air Canada (C$ 252).

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

    While on average a flight from Montreal to Costa Rica is generally C$ 593, our data shows the cheapest flight currently is C$ 220. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Liberia), you can expect to pay C$ 326 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$ 203). Flying from Montreal to Costa Rica in July is currently the most expensive (average of C$ 466). 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

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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 2 diciembre 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 350AverageC$ 818FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 353AverageC$ 740FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 359AverageC$ 814FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 370AverageC$ 836FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 409AverageC$ 667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapestC$ 411AverageC$ 608FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Copa AirlinesCheapestC$ 434AverageC$ 856FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
WestJetCheapestC$ 481AverageC$ 691FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 483AverageC$ 638FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJet EncoreCheapestC$ 915AverageC$ 1,081FlexibilityNo 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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