Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica departing on 16/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:45 a.m. - 1:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
7:50 a.m. - 2:12 p.m.
LIR
-
YUL
29h 22m
1 stop
C$ 532WestJet
Thu, 29 Oct - Sat, 7 Nov
WestJet Logo
6:45 a.m. - 1:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
7:50 a.m. - 2:12 p.m.
LIR
-
YUL
29h 22m
1 stop
C$ 533WestJet
Fri, 30 Oct - Sun, 8 Nov
WestJet Logo
6:45 a.m. - 1:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
7:50 a.m. - 2:12 p.m.
LIR
-
YUL
29h 22m
1 stop
C$ 535WestJet
Thu, 29 Oct - Thu, 5 Nov
WestJet Logo
6:45 a.m. - 2:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
7:50 a.m. - 2:12 p.m.
LIR
-
YUL
29h 22m
1 stop
C$ 536WestJet
Tue, 10 Nov - Fri, 20 Nov
Porter Airlines Logo
6:45 a.m. - 12:30 p.m.
YUL
-
LIR
7h 45m
1 stop
Porter Airlines Logo
1:30 p.m. - 12:37 a.m.
LIR
-
YUL
9h 07m
1 stop
C$ 538Porter Airlines
Wed, 2 Sep - Wed, 9 Sep
Air Transat Logo
7:30 a.m. - 11:30 a.m.
YUL
-
LIR
6h 00mdirect
Air Transat Logo
12:40 p.m. - 8:10 p.m.
LIR
-
YUL
5h 30mdirect
C$ 539Air Transat
Tue, 18 Aug - Tue, 1 Sep
Avianca Logo
10:00 p.m. - 8:50 a.m.
YUL
-
SJO
11h 50m
1 stop
Avianca Logo
1:45 a.m. - 8:35 p.m.
SJO
-
YUL
17h 50m
1 stop
C$ 539Avianca
Sun, 1 Nov - Tue, 10 Nov
Avianca Logo
10:00 p.m. - 3:20 p.m.
YUL
-
SJO
18h 20m
1 stop
Avianca Logo
1:45 a.m. - 8:35 p.m.
SJO
-
YUL
17h 50m
1 stop
C$ 540Avianca
Mon, 9 Nov - Sun, 15 Nov
Avianca Logo
10:00 p.m. - 3:20 p.m.
YUL
-
SJO
18h 20m
1 stop
Avianca Logo
5:00 a.m. - 1:40 p.m.
SJO
-
YUL
7h 40m
1 stop
C$ 542Avianca
Wed, 25 Nov - Fri, 4 Dec
Air Canada Logo
6:00 a.m. - 12:55 p.m.
YUL
-
LIR
8h 55m
1 stop
Air Canada Logo
2:40 p.m. - 9:25 p.m.
LIR
-
YUL
5h 45mdirect
C$ 545Air Canada
Thu, 29 Oct - Thu, 5 Nov

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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets
American Airlines
18 Jun
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
8h 08m
1 stop
LIR1:18 p.m.Liberia
23 Jun
LIR12:35 p.m.Liberia
8h 54m
1 stop
YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 648
American Airlines
21 Aug
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
14h 24m
2 stops
SJO7:53 p.m.San José Juan Santamaria Intl
5 Sep
SJO2:53 p.m.San José Juan Santamaria Intl
18h 50m
2 stops
YUL11:43 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 687
American Airlines
20 Jun
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
30h 06m
1 stop
LIR11:35 a.m.Liberia
4 Jul
LIR2:27 p.m.Liberia
24h 20m
1 stop
YUL4:47 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 759

Copa Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Copa Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets
Copa Airlines
8 Jul
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
24h 37m
1 stop
SJO7:12 a.m.San José Juan Santamaria Intl
15 Jul
SJO4:08 a.m.San José Juan Santamaria Intl
18h 32m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 545
Copa Airlines
8 Jul
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
28h 31m
1 stop
SJO11:06 a.m.San José Juan Santamaria Intl
15 Jul
SJO6:17 p.m.San José Juan Santamaria Intl
28h 23m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 594
Copa Airlines
7 Jul
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
24h 37m
1 stop
SJO7:12 a.m.San José Juan Santamaria Intl
14 Jul
SJO10:03 a.m.San José Juan Santamaria Intl
12h 37m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 644

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 17 June 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

6:45 a.m.-1:29 p.m.

1 stop8h 44m

Liberia

Sat 7/11

7:50 a.m.-2:12 p.m.

1 stop29h 22m

C$ 532

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 30/10

6:45 a.m.-1:29 p.m.

1 stop8h 44m

Liberia

Sun 8/11

7:50 a.m.-2:12 p.m.

1 stop29h 22m

C$ 533

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

6:45 a.m.-1:29 p.m.

1 stop8h 44m

Liberia

Thu 5/11

7:50 a.m.-2:12 p.m.

1 stop29h 22m

C$ 535

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

6:45 a.m.-2:29 p.m.

1 stop8h 44m

Liberia

Fri 20/11

7:50 a.m.-2:12 p.m.

1 stop29h 22m

C$ 536

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

6:45 a.m.-12:30 p.m.

1 stop7h 45m

Liberia

Wed 9/9

1:30 p.m.-12:37 a.m.

1 stop9h 07m

C$ 538
Quickest round-trip

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

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

Nonstop6h 00m

Liberia

Tue 1/9

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

Nonstop5h 30m

C$ 539

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

10:00 p.m.-8:50 a.m.

1 stop11h 50m

San José Juan Santamaria Intl

Tue 10/11

1:45 a.m.-8:35 p.m.

1 stop17h 50m

C$ 539

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

10:00 p.m.-3:20 p.m.

1 stop18h 20m

San José Juan Santamaria Intl

Sun 15/11

1:45 a.m.-8:35 p.m.

1 stop17h 50m

C$ 540

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

10:00 p.m.-3:20 p.m.

1 stop18h 20m

San José Juan Santamaria Intl

Fri 4/12

5:00 a.m.-1:40 p.m.

1 stop7h 40m

C$ 542

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

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

1 stop8h 55m

Liberia

Thu 5/11

2:40 p.m.-9:25 p.m.

Nonstop5h 45m

C$ 545

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport is in October. Flight prices, which tend to average around C$ 193, are often lower during this time because this is during the off-season. If you don’t want to visit Costa Rica in October, then you should wait until September to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 202.

What is the cheapest day to depart on your flight to Costa Rica?

Our data shows that Monday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as C$ 681. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Costa Rica on Friday is C$ 852.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Costa Rica flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Liberia for the best Montreal Pierre Elliott Trudeau Intl - Costa Rica flight prices

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around C$ 685 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 615 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flights?

You could potentially save up to 6% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Best price found

C$ 312

Fastest flight time

5h 45m

Direct flights

Mon, Tue, Wed, Thu and Sat

Airports in Costa Rica

40 airports
The best one-way flight to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 312. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica found on momondo in the last 72 hours is C$ 586.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica takes 5h 45m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica on Monday, Tuesday, Wednesday, Thursday and Saturday. The only airline offering direct flights is Air Transat.
There are 40 airports in Costa Rica. From Montreal Pierre Elliott Trudeau Intl Airport there are direct flights to San José Juan Santamaria Intl (SJO).

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 234Free CancellationRating
7.8
8,406 reviews
Search Delta flights
Air CanadaPriceFrom C$ 267Free CancellationRating
7.1
11,200 reviews
Search Air Canada flights
Copa AirlinesPriceFrom C$ 272Free CancellationRating
7.6
1,569 reviews
Search Copa Airlines flights
Air TransatPriceFrom C$ 320Free CancellationRating
7.8
555 reviews
Search Air Transat flights
United AirlinesPriceFrom C$ 352Free CancellationRating
7.4
9,845 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 353Free CancellationRating
7.1
11,670 reviews
Search American Airlines flights
WestJetPriceFrom C$ 404Free CancellationRating
7.2
3,367 reviews
Search WestJet flights
AviancaPriceFrom C$ 405Free CancellationRating
6.5
2,533 reviews
Search Avianca flights
Porter AirlinesPriceFrom C$ 416Free CancellationRating
8.0
438 reviews
Search Porter Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Costa Rica?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Costa Rica. momondo saves you time and could save you money on your trip.

Can I find flights from Montreal to Costa Rica with flexible booking policies on momondo?

momondo does allow users to show only those flights to Costa Rica from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montreal to Costa Rica right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Montreal and alert you when they change.

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