Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 218

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 1/5. 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.
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$ 472Porter Airlines
Wed, 3 Jun - Wed, 10 Jun
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$ 473Porter Airlines
Wed, 3 Jun - Wed, 24 Jun
Multiple Airlines Logo
7:20 p.m. - 12:25 p.m.
YUL
-
LIR
19h 05m
1 stop
Multiple Airlines Logo
1:30 p.m. - 12:37 a.m.
LIR
-
YUL
9h 07m
1 stop
C$ 476Multiple Airlines
Thu, 18 Jun - Wed, 24 Jun
WestJet Logo
6:45 a.m. - 12:25 p.m.
YUL
-
LIR
7h 40m
1 stop
WestJet Logo
1:15 p.m. - 12:25 a.m.
LIR
-
YUL
9h 10m
1 stop
C$ 482WestJet
Sun, 7 Jun - Sun, 21 Jun
United Airlines Logo
6:35 p.m. - 12:10 p.m.
YUL
-
LIR
19h 35m
2 stops
United Airlines Logo
3:27 p.m. - 10:40 a.m.
LIR
-
YUL
17h 13m
2 stops
C$ 483United Airlines
Sat, 2 May - Sat, 9 May
United Airlines Logo
6:35 p.m. - 12:10 p.m.
YUL
-
LIR
19h 35m
2 stops
United Airlines Logo
3:27 p.m. - 10:40 a.m.
LIR
-
YUL
17h 13m
2 stops
C$ 484United Airlines
Sat, 2 May - Sat, 9 May
Air Transat Logo
6:20 p.m. - 10:05 p.m.
YUL
-
SJO
5h 45mdirect
Air Transat Logo
11:25 p.m. - 7:10 a.m.
SJO
-
YUL
5h 45mdirect
C$ 504Air Transat
Mon, 1 Jun - Mon, 8 Jun
Air Transat Logo
6:20 p.m. - 10:05 p.m.
YUL
-
SJO
5h 45mdirect
Air Transat Logo
11:25 p.m. - 7:10 a.m.
SJO
-
YUL
5h 45mdirect
C$ 506Air Transat
Mon, 25 May - Mon, 1 Jun
Avianca Logo
11:00 p.m. - 8:50 a.m.
YUL
-
SJO
11h 50m
1 stop
Avianca Logo
9:25 a.m. - 9:35 p.m.
SJO
-
YUL
10h 10m
1 stop
C$ 516Avianca
Fri, 11 Sep - Sun, 20 Sep
Avianca Logo
11:00 p.m. - 3:25 p.m.
YUL
-
SJO
18h 25m
1 stop
Avianca Logo
9:25 a.m. - 9:35 p.m.
SJO
-
YUL
10h 10m
1 stop
C$ 517Avianca
Thu, 10 Sep - Sun, 20 Sep

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
12 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
27h 24m
1 stop
SJO9:59 a.m.San José Juan Santamaria Intl
19 Apr
SJO5:56 p.m.San José Juan Santamaria Intl
28h 44m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 575
Copa Airlines
27 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
27h 24m
1 stop
SJO9:59 a.m.San José Juan Santamaria Intl
13 May
SJO8:47 a.m.San José Juan Santamaria Intl
13h 53m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 580

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
31 Mar
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
30h 11m
1 stop
LIR11:23 a.m.Liberia
16 Apr
LIR2:10 p.m.Liberia
22h 34m
1 stop
YUL2:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 575
American Airlines
31 Mar
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
22h 58m
1 stop
LIR11:23 a.m.Liberia
16 Apr
LIR2:10 p.m.Liberia
22h 34m
1 stop
YUL2:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 578
American Airlines
31 Mar
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
30h 11m
1 stop
LIR11:23 a.m.Liberia
16 Apr
LIR2:40 p.m.Liberia
22h 47m
2 stops
YUL3:27 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 582

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 21 March 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

Wed 3/6

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

1 stop7h 45m

Liberia

Wed 10/6

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

1 stop9h 07m

C$ 472

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

1 stop7h 45m

Liberia

Wed 24/6

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

1 stop9h 07m

C$ 473

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

7:20 p.m.-12:25 p.m.

1 stop19h 05m

Liberia

Wed 24/6

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

1 stop9h 07m

C$ 476

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

6:45 a.m.-12:25 p.m.

1 stop7h 40m

Liberia

Sun 21/6

1:15 p.m.-12:25 a.m.

1 stop9h 10m

C$ 482

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:35 p.m.-12:10 p.m.

2 stops19h 35m

Liberia

Sat 9/5

3:27 p.m.-10:40 a.m.

2 stops17h 13m

C$ 483

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:35 p.m.-12:10 p.m.

2 stops19h 35m

Liberia

Sat 9/5

3:27 p.m.-10:40 a.m.

2 stops17h 13m

C$ 484
Quickest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

6:20 p.m.-10:05 p.m.

Nonstop5h 45m

San José Juan Santamaria Intl

Mon 8/6

11:25 p.m.-7:10 a.m.

Nonstop5h 45m

C$ 504

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 25/5

6:20 p.m.-10:05 p.m.

Nonstop5h 45m

San José Juan Santamaria Intl

Mon 1/6

11:25 p.m.-7:10 a.m.

Nonstop5h 45m

C$ 506

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

11:00 p.m.-8:50 a.m.

1 stop11h 50m

San José Juan Santamaria Intl

Sun 20/9

9:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 516

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

11:00 p.m.-3:25 p.m.

1 stop18h 25m

San José Juan Santamaria Intl

Sun 20/9

9:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 517

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$ 497, 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 November to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 608.

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$ 691. 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$ 845.

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 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$ 710 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$ 608 on momondo.

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

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl 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 8% 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$ 210

Fastest flight time

5h 45m

Direct flights

Every day

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$ 210. 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$ 575.
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 every day.
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).
  • 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
Air CanadaPriceFrom C$ 263Free CancellationRating
7.1
10,828 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 296Free CancellationRating
7.7
521 reviews
Search Air Transat flights
DeltaPriceFrom C$ 341Free CancellationRating
7.9
8,315 reviews
Search Delta flights
American AirlinesPriceFrom C$ 341Free CancellationRating
7.1
11,489 reviews
Search American Airlines flights
Copa AirlinesPriceFrom C$ 343Free CancellationRating
7.5
1,572 reviews
Search Copa Airlines flights
United AirlinesPriceFrom C$ 345Free CancellationRating
7.4
9,453 reviews
Search United Airlines flights
AviancaPriceFrom C$ 346Free CancellationRating
6.5
2,503 reviews
Search Avianca flights
WestJetPriceFrom C$ 394Free CancellationRating
7.2
3,300 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 403Free CancellationRating
8.0
426 reviews
Search Porter Airlines flights
WestJet EncorePriceFrom C$ 898Free CancellationRating
0.0
Search WestJet Encore 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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1 adult
Mon 20/4
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