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Cheap flights from Montreal to Costa Rica from C$ 208

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 30/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Costa Rica

Cheap round-trip flights

United Airlines Logo
2:13 p.m. - 12:55 p.m.YUL-LIR
23h 42m2 stops
United Airlines Logo
8:35 a.m. - 2:00 p.m.LIR-YUL
28h 25m2 stops
C$ 442United Airlines
Find Deal
Fri, 5 Dec - Sun, 14 Dec
United Airlines Logo
6:00 a.m. - 12:55 p.m.YUL-LIR
31h 55m1 stop
United Airlines Logo
2:20 p.m. - 2:00 p.m.LIR-YUL
22h 40m2 stops
C$ 444United Airlines
Find Deal
Fri, 5 Dec - Thu, 11 Dec
Avianca Logo
10:00 p.m. - 3:20 p.m.YUL-SJO
18h 20m1 stop
Avianca Logo
1:45 a.m. - 8:35 p.m.SJO-YUL
17h 50m1 stop
C$ 447Avianca
Find Deal
Mon, 17 Nov - Tue, 2 Dec
Air Canada Logo
4:40 p.m. - 8:25 p.m.YUL-SJO
5h 45mdirect
Air Canada Logo
7:55 a.m. - 3:45 p.m.SJO-YUL
5h 50mdirect
C$ 448Air Canada
Find Deal
Fri, 3 Oct - Thu, 16 Oct
Air Canada Logo
6:20 p.m. - 11:15 p.m.YUL-SJO
5h 55mdirect
Air Canada Logo
8:50 a.m. - 3:30 p.m.SJO-YUL
5h 40mdirect
C$ 450Air Canada
Find Deal
Tue, 11 Nov - Wed, 19 Nov
Avianca Logo
10:00 p.m. - 8:50 a.m.YUL-SJO
11h 50m1 stop
Avianca Logo
5:00 a.m. - 1:40 p.m.SJO-YUL
7h 40m1 stop
C$ 451Avianca
Find Deal
Mon, 24 Nov - Tue, 2 Dec
Air Transat Logo
6:55 p.m. - 11:55 p.m.YUL-SJO
6h 00mdirect
Air Transat Logo
12:55 a.m. - 4:55 p.m.SJO-YUL
15h 00m1 stop
C$ 472Air Transat
Find Deal
Wed, 26 Nov - Sat, 6 Dec
WestJet Logo
6:45 a.m. - 12:21 p.m.YUL-LIR
7h 36m1 stop
WestJet Logo
1:25 p.m. - 12:27 a.m.LIR-YUL
9h 02m1 stop
C$ 475WestJet
Find Deal
Sat, 27 Sep - Wed, 8 Oct
Air Transat Logo
3:55 p.m. - 11:35 p.m.YUL-SJO
9h 40m1 stop
Air Transat Logo
1:15 a.m. - 7:55 a.m.SJO-YUL
5h 40mdirect
C$ 477Air Transat
Find Deal
Sat, 1 Nov - Fri, 14 Nov
WestJet Logo
6:45 a.m. - 2:29 p.m.YUL-LIR
8h 44m1 stop
WestJet Logo
3:20 p.m. - 12:43 a.m.LIR-YUL
8h 23m1 stop
C$ 480WestJet
Find Deal
Mon, 8 Dec - Sat, 13 Dec

Air Transat flights from Montreal to Costa Rica

Our best Air Transat deals on Montreal to Costa Rica flight tickets
Air Transat
26 Nov
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
SJO11:55 p.m.San José Juan Santamaria Intl
6 Dec
SJO12:55 a.m.San José Juan Santamaria Intl
15h 00m
1 stop
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 472
Find similar
Air Transat
1 Nov
YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
SJO11:35 p.m.San José Juan Santamaria Intl
14 Nov
SJO1:15 a.m.San José Juan Santamaria Intl
5h 40m
YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 477
Find similar
Air Transat
28 Nov
YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl
29h 15m
1 stop
SJO11:35 p.m.San José Juan Santamaria Intl
15 Dec
SJO1:15 a.m.San José Juan Santamaria Intl
5h 40m
YUL7:55 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 488
Find similar

Air Canada flights from Montreal to Costa Rica

Our best Air Canada deals on Montreal to Costa Rica flight tickets
Air Canada
3 Oct
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
5h 45m
SJO8:25 p.m.San José Juan Santamaria Intl
16 Oct
SJO7:55 a.m.San José Juan Santamaria Intl
5h 50m
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 448
Find similar
Air Canada
11 Nov
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
5h 55m
SJO11:15 p.m.San José Juan Santamaria Intl
19 Nov
SJO8:50 a.m.San José Juan Santamaria Intl
5h 40m
YUL3:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 450
Find similar
Air Canada
10 Nov
YUL8:50 a.m.Montreal Pierre Elliott Trudeau Intl
15h 05m
2 stops
SJO10:55 p.m.San José Juan Santamaria Intl
18 Nov
SJO8:35 a.m.San José Juan Santamaria Intl
10h 18m
1 stop
YUL7:53 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 454
Find similar

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 17 September 2025.
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

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

2:13 p.m.-12:55 p.m.

2 stops23h 42m

Liberia

Sun 14/12

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

2 stops28h 25m

C$ 442

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

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

1 stop31h 55m

Liberia

Thu 11/12

2:20 p.m.-2:00 p.m.

2 stops22h 40m

C$ 444

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

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

1 stop18h 20m

San José Juan Santamaria Intl

Tue 2/12

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

1 stop17h 50m

C$ 447

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

4:40 p.m.-8:25 p.m.

Nonstop5h 45m

San José Juan Santamaria Intl

Thu 16/10

7:55 a.m.-3:45 p.m.

Nonstop5h 50m

C$ 448

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:20 p.m.-11:15 p.m.

Nonstop5h 55m

San José Juan Santamaria Intl

Wed 19/11

8:50 a.m.-3:30 p.m.

Nonstop5h 40m

C$ 450

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

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

1 stop11h 50m

San José Juan Santamaria Intl

Tue 2/12

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

1 stop7h 40m

C$ 451

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

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

Nonstop6h 00m

San José Juan Santamaria Intl

Sat 6/12

12:55 a.m.-4:55 p.m.

1 stop15h 00m

C$ 472

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

6:45 a.m.-12:21 p.m.

1 stop7h 36m

Liberia

Wed 8/10

1:25 p.m.-12:27 a.m.

1 stop9h 02m

C$ 475

MontrealSan José

YUL - SJO

YULSJO

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

3:55 p.m.-11:35 p.m.

1 stop9h 40m

San José Juan Santamaria Intl

Fri 14/11

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

Nonstop5h 40m

C$ 477

MontrealLiberia

YUL - LIR

YULLIR

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

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

1 stop8h 44m

Liberia

Sat 13/12

3:20 p.m.-12:43 a.m.

1 stop8h 23m

C$ 480

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$ 550, 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$ 561.

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

Our data shows that Wednesday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as C$ 804. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Costa Rica on Saturday is C$ 968.

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 to Costa Rica during this time can be as low as C$ 448. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 855 on average. Flights to Costa Rica from Montreal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Montreal to Costa Rica flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to San José Juan Santamaria Intl for the best Montreal - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around C$ 763 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$ 735 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?

No. A direct flight is the cheapest option for a flight between Montreal to Costa Rica.

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$ 255

Fastest flight time

5h 45m

Direct flights

Mon, Tue, Wed, Thu and Sat

Airports in Costa Rica

1 airport
The best one-way flight to Costa Rica from Montreal in the past 72 hours is C$ 255. The best round-trip flight deal from Montreal to Costa Rica found on momondo in the last 72 hours is C$ 465.
The fastest flight from Montreal to Costa Rica takes 5h 45m
Direct flights go from Montreal to Costa Rica on Monday, Tuesday, Wednesday, Thursday and Saturday. The only airline offering direct flights is Air Transat.
There is 1 airport near Costa Rica: San José Juan Santamaria Intl (SJO)
Search flight deals

  • 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
DeltaPriceFrom C$ 343Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom C$ 370Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
AviancaPriceFrom C$ 386Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
Air CanadaPriceFrom C$ 401Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 403Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 423Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 448Free CancellationRating
7.7
439 reviews
Search Air Transat flights
Copa AirlinesPriceFrom C$ 453Free CancellationRating
7.6
1,533 reviews
Search Copa Airlines flights
WestJetPriceFrom C$ 455Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
WestJet EncorePriceFrom C$ 890Free CancellationRating
8.6
6 reviews
Search WestJet Encore 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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Find better results for your trip to Costa Rica

Popular Cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo
Flights to Liberiafrom C$ 318
Flights to San José, San José Provincefrom C$ 396