Cheap flights from Montreal to Costa Rica from C$ 257

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 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 to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 548Avianca
Thu, 24 Sep - Tue, 29 Sep
Avianca Logo
10:00 p.m. - 8:50 a.m.
YUL
-
SJO
11h 50m
1 stop
Avianca Logo
7:50 p.m. - 1:40 p.m.
SJO
-
YUL
16h 50m
1 stop
C$ 556Avianca
Sun, 15 Nov - Tue, 1 Dec
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$ 568Avianca
Wed, 30 Sep - Wed, 7 Oct
Avianca Logo
10:20 p.m. - 12:15 a.m.
YUL
-
SJO
26h 55m
1 stop
Avianca Logo
1:45 a.m. - 8:35 p.m.
SJO
-
YUL
17h 50m
1 stop
C$ 569Avianca
Sat, 7 Nov - Sun, 29 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$ 573Avianca
Sun, 1 Nov - Sun, 15 Nov
Copa Airlines Logo
8:35 a.m. - 8:19 a.m.
YUL
-
SJO
25h 44m
1 stop
Copa Airlines Logo
4:08 a.m. - 12:40 a.m.
SJO
-
YUL
18h 32m
1 stop
C$ 592Copa Airlines
Mon, 24 Aug - Sun, 30 Aug
WestJet Logo
6:45 a.m. - 2:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
3:20 p.m. - 12:33 a.m.
LIR
-
YUL
8h 13m
1 stop
C$ 605WestJet
Thu, 26 Nov - Tue, 1 Dec
WestJet Logo
6:45 a.m. - 2:29 p.m.
YUL
-
LIR
8h 44m
1 stop
WestJet Logo
8:00 a.m. - 12:33 a.m.
LIR
-
YUL
39h 33m
2 stops
C$ 606WestJet
Wed, 4 Nov - Sat, 14 Nov
Air Canada Logo
9:05 a.m. - 2:20 p.m.
YUL
-
LIR
6h 15mdirect
Air Canada Logo
3:20 p.m. - 9:55 p.m.
LIR
-
YUL
5h 35mdirect
C$ 610Air Canada
Tue, 24 Nov - Wed, 2 Dec
Air Transat Logo
11:35 a.m. - 4:35 p.m.
YUL
-
LIR
6h 00mdirect
Air Transat Logo
5:55 p.m. - 12:25 a.m.
LIR
-
YUL
5h 30mdirect
C$ 613Air Transat
Fri, 11 Dec - Fri, 18 Dec

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Avianca flights from Montreal to Costa Rica

Our best Avianca deals on Montreal 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
29 Sep
SJO9:25 a.m.San José Juan Santamaria Intl
10h 10m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 548
Avianca
15 Nov
YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl
11h 50m
1 stop
SJO8:50 a.m.San José Juan Santamaria Intl
1 Dec
SJO7:50 p.m.San José Juan Santamaria Intl
16h 50m
1 stop
YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 556
Avianca
30 Sep
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
11h 50m
1 stop
SJO8:50 a.m.San José Juan Santamaria Intl
7 Oct
SJO9:25 a.m.San José Juan Santamaria Intl
10h 10m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 568

Air Canada flights from Montreal to Costa Rica

Our best Air Canada deals on Montreal to Costa Rica flight tickets
Air Canada
24 Nov
YUL9:05 a.m.Montreal Pierre Elliott Trudeau Intl
6h 15m
LIR2:20 p.m.Liberia
2 Dec
LIR3:20 p.m.Liberia
5h 35m
YUL9:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 610
Air Canada
21 Oct
YUL4:35 p.m.Montreal Pierre Elliott Trudeau Intl
5h 45m
SJO8:20 p.m.San José Juan Santamaria Intl
28 Oct
SJO8:20 a.m.San José Juan Santamaria Intl
5h 35m
YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 616
Air Canada
6 Sep
YUL4:35 p.m.Montreal Pierre Elliott Trudeau Intl
5h 45m
SJO8:20 p.m.San José Juan Santamaria Intl
22 Oct
SJO7:15 a.m.San José Juan Santamaria Intl
5h 55m
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 617

momondo 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, momondo users made 96,600 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Montreal to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

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

1 stop18h 25m

San José Juan Santamaria Intl

Tue 29/9

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

1 stop10h 10m

C$ 548

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 15/11

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

1 stop11h 50m

San José Juan Santamaria Intl

Tue 1/12

7:50 p.m.-1:40 p.m.

1 stop16h 50m

C$ 556

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

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

1 stop11h 50m

San José Juan Santamaria Intl

Wed 7/10

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

1 stop10h 10m

C$ 568

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

10:20 p.m.-12:15 a.m.

1 stop26h 55m

San José Juan Santamaria Intl

Sun 29/11

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

1 stop17h 50m

C$ 569

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

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$ 573

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

8:35 a.m.-8:19 a.m.

1 stop25h 44m

San José Juan Santamaria Intl

Sun 30/8

4:08 a.m.-12:40 a.m.

1 stop18h 32m

C$ 592

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

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

1 stop8h 44m

Liberia

Tue 1/12

3:20 p.m.-12:33 a.m.

1 stop8h 13m

C$ 605

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

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

1 stop8h 44m

Liberia

Sat 14/11

8:00 a.m.-12:33 a.m.

2 stops39h 33m

C$ 606

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Tue 24/11

9:05 a.m.-2:20 p.m.

Nonstop6h 15m

Liberia

Wed 2/12

3:20 p.m.-9:55 p.m.

Nonstop5h 35m

C$ 610
Quickest round-trip

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 11/12

11:35 a.m.-4:35 p.m.

Nonstop6h 00m

Liberia

Fri 18/12

5:55 p.m.-12:25 a.m.

Nonstop5h 30m

C$ 613

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 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 is in October. Flight prices, which tend to average around C$ 196, 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, when ticket prices are also cheap, with an average price of C$ 204.

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$ 858.

What is the cheapest Montreal to Costa Rica flight route?

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

How far in advance should I book a flight from Montreal to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around C$ 691 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 for as low as C$ 617 on momondo.

What cabin class options are available on Montreal to Costa Rica flights?

There are 3 cabin classes available to choose from on Montreal 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 to Costa Rica flights?

You could potentially save up to 7% on your flight if you consider stops on a Montreal to Costa Rica flight.

Cheap Montreal to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Costa Rica

Best price found

C$ 398

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 in the past 72 hours is C$ 398. The best round-trip flight deal from Montreal to Costa Rica found on momondo in the last 72 hours is C$ 628.
The fastest flight from Montreal to Costa Rica takes 5h 45m
Direct flights go from Montreal 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 there are direct flights to San José Juan Santamaria Intl (SJO).

Frequently asked questions about flying from Montreal to Costa Rica

  • When did momondo last update prices for flights from Montreal to Costa Rica?

    Prices for flights from Montreal to Costa Rica were last updated today.

  • How many operators does momondo search for flights from Montreal to Costa Rica?

  • How old do you have to be to fly from Montreal to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Costa Rica.

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

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal to Costa Rica?

Best airlines flying from Montreal to Costa Rica

Compare and see reviews for airlines that fly from Montreal to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 268Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
Copa AirlinesPriceFrom C$ 276Free CancellationRating
7.6
1,568 reviews
Search Copa Airlines flights
Air TransatPriceFrom C$ 325Free CancellationRating
7.8
559 reviews
Search Air Transat flights
United AirlinesPriceFrom C$ 356Free CancellationRating
7.4
9,899 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 358Free CancellationRating
7.1
11,776 reviews
Search American Airlines flights
WestJetPriceFrom C$ 408Free CancellationRating
7.2
3,385 reviews
Search WestJet flights
AviancaPriceFrom C$ 409Free CancellationRating
6.5
2,536 reviews
Search Avianca flights
Porter AirlinesPriceFrom C$ 422Free CancellationRating
8.0
441 reviews
Search Porter Airlines flights
DeltaPriceFrom C$ 533Free CancellationRating
7.8
8,455 reviews
Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Costa Rica for you.

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

Yes. All flights to Costa Rica from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Costa Rica.

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

Price alerts on flights to Costa Rica from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Costa Rica trip

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1 adult
Tue 28/7
Tue 4/8

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