Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica from C$ 237

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 1/2. 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.
Avianca Logo
3:00 p.m. - 11:40 p.m.
YUL
-
SJO
9h 40m1 stop
Avianca Logo
1:45 a.m. - 8:35 p.m.
SJO
-
YUL
17h 50m1 stop
C$ 400Avianca
Thu, 22 Jan - Tue, 27 Jan
Avianca Logo
3:00 p.m. - 11:45 a.m.
YUL
-
SJO
21h 45m2 stops
Avianca Logo
1:45 a.m. - 8:35 p.m.
SJO
-
YUL
17h 50m1 stop
C$ 413Avianca
Thu, 22 Jan - Tue, 27 Jan
United Airlines Logo
4:45 p.m. - 12:56 p.m.
YUL
-
SJO
21h 11m1 stop
United Airlines Logo
2:20 p.m. - 3:16 p.m.
SJO
-
YUL
23h 56m2 stops
C$ 420United Airlines
Sat, 24 Jan - Fri, 30 Jan
Air Transat Logo
6:55 p.m. - 11:55 p.m.
YUL
-
SJO
6h 00mdirect
Air Transat Logo
1:15 a.m. - 7:55 a.m.
SJO
-
YUL
5h 40mdirect
C$ 431Air Transat
Sun, 18 Jan - Fri, 23 Jan
United Airlines Logo
3:00 p.m. - 1:10 p.m.
YUL
-
LIR
23h 10m2 stops
United Airlines Logo
8:35 a.m. - 2:00 p.m.
LIR
-
YUL
28h 25m2 stops
C$ 433United Airlines
Sat, 10 Jan - Sat, 17 Jan
Porter Airlines Logo
6:45 a.m. - 2:15 p.m.
YUL
-
LIR
9h 30m1 stop
Porter Airlines Logo
3:40 p.m. - 3:15 p.m.
LIR
-
YUL
21h 35m2 stops
C$ 434Porter Airlines
Tue, 24 Mar - Mon, 30 Mar
Air Transat Logo
6:55 p.m. - 11:55 p.m.
YUL
-
SJO
6h 00mdirect
Air Transat Logo
1:15 a.m. - 7:55 a.m.
SJO
-
YUL
5h 40mdirect
C$ 435Air Transat
Sun, 18 Jan - Fri, 23 Jan
Porter Airlines Logo
6:45 a.m. - 2:15 p.m.
YUL
-
LIR
9h 30m1 stop
Porter Airlines Logo
3:25 p.m. - 10:45 a.m.
LIR
-
YUL
17h 20m2 stops
C$ 438Porter Airlines
Tue, 31 Mar - Thu, 9 Apr
WestJet Logo
6:45 a.m. - 1:23 p.m.
YUL
-
LIR
8h 38m1 stop
WestJet Logo
2:20 p.m. - 12:38 a.m.
LIR
-
YUL
8h 18m1 stop
C$ 455WestJet
Fri, 10 Apr - Fri, 17 Apr
WestJet Logo
6:45 a.m. - 10:53 a.m.
YUL
-
LIR
30h 08m1 stop
WestJet Logo
2:20 p.m. - 12:38 a.m.
LIR
-
YUL
8h 18m1 stop
C$ 462WestJet
Fri, 17 Apr - Fri, 24 Apr

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
24 Jan
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
21h 11m
1 stop
SJO12:56 p.m.San José Juan Santamaria Intl
30 Jan
SJO2:20 p.m.San José Juan Santamaria Intl
23h 56m
2 stops
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
United Airlines
10 Jan
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
23h 10m
2 stops
LIR1:10 p.m.Liberia
17 Jan
LIR8:35 a.m.Liberia
28h 25m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
United Airlines
24 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
15h 39m
2 stops
SJO8:39 p.m.San José Juan Santamaria Intl
8 Feb
SJO8:45 a.m.San José Juan Santamaria Intl
28h 15m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

Air Transat flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica

Our best Air Transat deals on Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica flight tickets
Air Transat
18 Jan
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
SJO11:55 p.m.San José Juan Santamaria Intl
23 Jan
SJO1:15 a.m.San José Juan Santamaria Intl
5h 40m
YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl
Air Transat
18 Jan
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
SJO11:55 p.m.San José Juan Santamaria Intl
23 Jan
SJO1:15 a.m.San José Juan Santamaria Intl
5h 40m
YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl
Air Transat
16 Jan
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
SJO11:55 p.m.San José Juan Santamaria Intl
26 Jan
SJO1:15 a.m.San José Juan Santamaria Intl
5h 40m
YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl

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 18 December 2025.
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

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

3:00 p.m.-11:40 p.m.

1 stop9h 40m

San José Juan Santamaria Intl

Tue 27/1

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

1 stop17h 50m

C$ 400

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

3:00 p.m.-11:45 a.m.

2 stops21h 45m

San José Juan Santamaria Intl

Tue 27/1

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

1 stop17h 50m

C$ 413

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

4:45 p.m.-12:56 p.m.

1 stop21h 11m

San José Juan Santamaria Intl

Fri 30/1

2:20 p.m.-3:16 p.m.

2 stops23h 56m

C$ 420

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Fri 23/1

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

Nonstop5h 40m

C$ 431

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

3:00 p.m.-1:10 p.m.

2 stops23h 10m

Liberia

Sat 17/1

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

2 stops28h 25m

C$ 433

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

6:45 a.m.-2:15 p.m.

1 stop9h 30m

Liberia

Mon 30/3

3:40 p.m.-3:15 p.m.

2 stops21h 35m

C$ 434

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

6:55 p.m.-11:55 p.m.

Nonstop6h 00m

San José Juan Santamaria Intl

Fri 23/1

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

Nonstop5h 40m

C$ 435

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:45 a.m.-2:15 p.m.

1 stop9h 30m

Liberia

Thu 9/4

3:25 p.m.-10:45 a.m.

2 stops17h 20m

C$ 438

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

6:45 a.m.-1:23 p.m.

1 stop8h 38m

Liberia

Fri 17/4

2:20 p.m.-12:38 a.m.

1 stop8h 18m

C$ 455

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

6:45 a.m.-10:53 a.m.

1 stop30h 08m

Liberia

Fri 24/4

2:20 p.m.-12:38 a.m.

1 stop8h 18m

C$ 462

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$ 499, 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$ 606.

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$ 707. 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$ 841.

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

Our most recent data shows that the best time of day to fly to Costa Rica is at noon. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica during this time can be as low as C$ 449. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 795 on average. Flights to Costa Rica from Montreal Pierre Elliott Trudeau Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Montreal Pierre Elliott Trudeau Intl to San José Juan Santamaria Intl 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$ 733 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$ 664 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?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Costa Rica.

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$ 247

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$ 247. 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$ 541.
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. There are no airlines offering direct flights.
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$ 331Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
DeltaPriceFrom C$ 345Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Air TransatPriceFrom C$ 354Free CancellationRating
7.8
483 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 365Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 404Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
AviancaPriceFrom C$ 412Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 439Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
Porter AirlinesPriceFrom C$ 475Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 477Free CancellationRating
7.2
3,205 reviews
Search WestJet flights
WestJet EncorePriceFrom C$ 902Free 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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Sat 17/1
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