Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 253

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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. - 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$ 478WestJet
Sun, 23 Aug - Sun, 13 Sep
Air Canada Logo
9:35 p.m. - 12:55 p.m.
YUL
-
LIR
17h 20m
2 stops
Air Canada Logo
2:55 p.m. - 6:48 a.m.
LIR
-
YUL
14h 53m
2 stops
C$ 486Air Canada
Sun, 25 Oct - Sun, 1 Nov
Air Canada Logo
6:00 a.m. - 12:55 p.m.
YUL
-
LIR
8h 55m
1 stop
Air Canada Logo
2:55 p.m. - 1:53 a.m.
LIR
-
YUL
9h 58m
1 stop
C$ 493Air Canada
Sun, 25 Oct - Sun, 1 Nov
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$ 496WestJet
Sun, 30 Aug - Wed, 16 Sep
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$ 509Air Transat
Fri, 15 May - Mon, 1 Jun
United Airlines Logo
9:15 a.m. - 10:11 a.m.
YUL
-
SJO
26h 56m
2 stops
United Airlines Logo
12:30 a.m. - 9:26 p.m.
SJO
-
YUL
18h 56m
2 stops
C$ 511United Airlines
Tue, 9 Jun - Sat, 13 Jun
Copa Airlines Logo
8:35 a.m. - 7:01 p.m.
YUL
-
SJO
12h 26m
1 stop
Copa Airlines Logo
10:05 a.m. - 12:40 a.m.
SJO
-
YUL
12h 35m
1 stop
C$ 512Copa Airlines
Mon, 18 May - Thu, 28 May
Copa Airlines Logo
8:35 a.m. - 8:21 a.m.
YUL
-
SJO
25h 46m
1 stop
Copa Airlines Logo
10:05 a.m. - 12:40 a.m.
SJO
-
YUL
12h 35m
1 stop
C$ 513Copa Airlines
Mon, 18 May - Mon, 25 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$ 517Air Transat
Mon, 1 Jun - Mon, 8 Jun
United Airlines Logo
2:20 p.m. - 10:11 a.m.
YUL
-
SJO
21h 51m
2 stops
United Airlines Logo
1:25 p.m. - 7:45 p.m.
SJO
-
YUL
28h 20m
2 stops
C$ 520United Airlines
Sat, 23 May - Thu, 28 May

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

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets
United Airlines
9 Jun
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
26h 56m
2 stops
SJO10:11 a.m.San José Juan Santamaria Intl
13 Jun
SJO12:30 a.m.San José Juan Santamaria Intl
18h 56m
2 stops
YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 511
United Airlines
7 May
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
27h 02m
2 stops
SJO7:37 p.m.San José Juan Santamaria Intl
24 May
SJO11:13 a.m.San José Juan Santamaria Intl
21h 27m
2 stops
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 517
United Airlines
26 May
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
19h 46m
2 stops
SJO12:21 p.m.San José Juan Santamaria Intl
31 May
SJO12:30 a.m.San José Juan Santamaria Intl
21h 43m
2 stops
YUL12:13 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 520

Avianca flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Avianca deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets
Avianca
24 Sep
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 25m
1 stop
SJO3:25 p.m.San José Juan Santamaria Intl
28 Sep
SJO1:50 a.m.San José Juan Santamaria Intl
17h 45m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 535
Avianca
1 Nov
YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 20m
1 stop
SJO3:20 p.m.San José Juan Santamaria Intl
10 Nov
SJO1:45 a.m.San José Juan Santamaria Intl
17h 50m
1 stop
YUL8:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 537
Avianca
21 Sep
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 25m
1 stop
SJO3:25 p.m.San José Juan Santamaria Intl
26 Sep
SJO9:25 a.m.San José Juan Santamaria Intl
10h 10m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 538

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 5 May 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

Sun 23/8

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

1 stop7h 40m

Liberia

Sun 13/9

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

1 stop9h 10m

C$ 478

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

9:35 p.m.-12:55 p.m.

2 stops17h 20m

Liberia

Sun 1/11

2:55 p.m.-6:48 a.m.

2 stops14h 53m

C$ 486

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 25/10

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

1 stop8h 55m

Liberia

Sun 1/11

2:55 p.m.-1:53 a.m.

1 stop9h 58m

C$ 493

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

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

1 stop7h 40m

Liberia

Wed 16/9

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

1 stop9h 10m

C$ 496
Quickest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

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$ 509

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

9:15 a.m.-10:11 a.m.

2 stops26h 56m

San José Juan Santamaria Intl

Sat 13/6

12:30 a.m.-9:26 p.m.

2 stops18h 56m

C$ 511

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

8:35 a.m.-7:01 p.m.

1 stop12h 26m

San José Juan Santamaria Intl

Thu 28/5

10:05 a.m.-12:40 a.m.

1 stop12h 35m

C$ 512

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

8:35 a.m.-8:21 a.m.

1 stop25h 46m

San José Juan Santamaria Intl

Mon 25/5

10:05 a.m.-12:40 a.m.

1 stop12h 35m

C$ 513

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$ 517

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

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

2 stops21h 51m

San José Juan Santamaria Intl

Thu 28/5

1:25 p.m.-7:45 p.m.

2 stops28h 20m

C$ 520

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$ 188, 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 May to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of C$ 245.

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$ 669. 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$ 827.

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$ 686 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$ 606 on momondo.

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

You could potentially save up to 2% 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$ 292

Fastest flight time

5h 45m

Direct flights

Mon, Tue, 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$ 292. 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$ 562.
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, 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
Air CanadaPriceFrom C$ 263Free CancellationRating
7.1
10,999 reviews
Search Air Canada flights
Copa AirlinesPriceFrom C$ 296Free CancellationRating
7.5
1,580 reviews
Search Copa Airlines flights
Air TransatPriceFrom C$ 310Free CancellationRating
7.8
548 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 311Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 342Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
AviancaPriceFrom C$ 349Free CancellationRating
6.5
2,522 reviews
Search Avianca flights
WestJetPriceFrom C$ 393Free CancellationRating
7.2
3,331 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 405Free CancellationRating
8.0
436 reviews
Search Porter Airlines flights
DeltaPriceFrom C$ 511Free CancellationRating
7.9
8,459 reviews
Search Delta 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
Thu 4/6
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