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Cheap flights from Buffalo to Costa Rica from C$ 261

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Costa Rica
Explore the most affordable flight options available from Buffalo to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Thu 19/26:05 a.m.
BUF
-
LIR
1 stop8h 27m
American Airlines
Thu 5/32:32 p.m.
LIR
-
BUF
1 stop20h 11m
American Airlines
Deal found 21/1C$ 369
Mon 2/36:05 a.m.
BUF
-
LIR
1 stop8h 27m
American Airlines
Thu 12/32:13 p.m.
LIR
-
BUF
2 stops20h 38m
American Airlines
Deal found 20/1C$ 376
Thu 26/26:05 a.m.
BUF
-
LIR
1 stop8h 27m
American Airlines
Sun 8/32:13 p.m.
LIR
-
BUF
2 stops19h 36m
American Airlines
Deal found 19/1C$ 382
Sat 2/57:28 p.m.
BUF
-
LIR
2 stops18h 00m
American Airlines
Sat 9/512:47 p.m.
LIR
-
BUF
2 stops20h 09m
American Airlines
Deal found 20/1C$ 459
Tue 24/26:00 a.m.
BUF
-
LIR
1 stop7h 55m
JetBlue
Fri 6/32:00 p.m.
LIR
-
BUF
1 stop8h 38m
JetBlue
Deal found 20/1C$ 483
Thu 26/26:02 p.m.
BUF
-
LIR
2 stops19h 30m
GOL
Sun 8/312:37 p.m.
LIR
-
BUF
2 stops22h 14m
GOL
Deal found 19/1C$ 494
Mon 23/211:17 a.m.
BUF
-
SJO
1 stop25h 23m
Multiple Airlines
Mon 2/312:35 p.m.
SJO
-
BUF
1 stop28h 46m
Multiple Airlines
Deal found 21/1C$ 500
Sat 21/24:37 p.m.
BUF
-
SJO
1 stop20h 03m
Multiple Airlines
Sat 28/27:45 a.m.
SJO
-
BUF
2 stops28h 39m
Multiple Airlines
Deal found 21/1C$ 525
Fri 24/47:00 a.m.
BUF
-
LIR
1 stop30h 53m
United Airlines
Mon 27/43:25 p.m.
LIR
-
BUF
2 stops16h 47m
United Airlines
Deal found 20/1C$ 536
Sun 1/37:00 a.m.
BUF
-
LIR
1 stop30h 55m
United Airlines
Wed 11/31:01 p.m.
LIR
-
BUF
1 stop29h 45m
United Airlines
Deal found 20/1C$ 539
Thu 19/26:07 a.m.
BUF
-
LIR
2 stops13h 30m
United Airlines
Thu 5/38:35 a.m.
LIR
-
BUF
2 stops35h 11m
United Airlines
Deal found 21/1C$ 548
Sun 22/23:00 p.m.
BUF
-
SJO
1 stop8h 38m
JetBlue
Wed 4/32:08 p.m.
SJO
-
BUF
1 stop8h 28m
JetBlue
Deal found 20/1C$ 574

Find flight deals from Buffalo to Costa Rica

Keep the following information in mind while searching for Buffalo to Costa Rica flight deals. Data was last updated 21 January 2026.

Round-trip from

C$ 369

One-way from

C$ 261

Popular in

July

Cheapest in

September

Average price

C$ 713
American Airlines
  • American Airlines
  • 19/2-5/3
  • 2 total stops
  • 28h 38m total
  • Buffalo to Costa Rica
Search Deals
United Airlines
  • United Airlines
  • 18/3
  • 2 total stops
  • 30h 03m total
  • Buffalo to Costa Rica
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 280 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo 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, Cheapflights users made 629,999 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Buffalo to Costa Rica that are best for you.

Fly from

Buffalo

Fly to

Costa Rica

Route

Depart

Return

Price

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Thu 19/2

6:05 a.m.-1:32 p.m.

1 stop8h 27m

Liberia

Thu 5/3

2:32 p.m.-11:43 a.m.

1 stop20h 11m

C$ 369

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 2/3

6:05 a.m.-1:32 p.m.

1 stop8h 27m

Liberia

Thu 12/3

2:13 p.m.-12:51 p.m.

2 stops20h 38m

C$ 376

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Thu 26/2

6:05 a.m.-1:32 p.m.

1 stop8h 27m

Liberia

Sun 8/3

2:13 p.m.-11:49 a.m.

2 stops19h 36m

C$ 382

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Tue 24/2

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

1 stop7h 55m

Liberia

Fri 6/3

2:00 p.m.-11:38 p.m.

1 stop8h 38m

C$ 483

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 23/2

11:17 a.m.-11:40 a.m.

1 stop25h 23m

San José Juan Santamaria Intl

Mon 2/3

12:35 p.m.-6:21 p.m.

1 stop28h 46m

C$ 500

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 1/3

7:00 a.m.-12:55 p.m.

1 stop30h 55m

Liberia

Wed 11/3

1:01 p.m.-8:46 p.m.

1 stop29h 45m

C$ 539

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 2/3

6:07 a.m.-6:37 p.m.

2 stops13h 30m

Liberia

Thu 12/3

7:35 a.m.-8:46 p.m.

2 stops35h 11m

C$ 548

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Thu 19/2

6:07 a.m.-6:37 p.m.

2 stops13h 30m

Liberia

Thu 5/3

8:35 a.m.-8:46 p.m.

2 stops35h 11m

C$ 548

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 20/2

10:34 a.m.-10:38 p.m.

1 stop13h 04m

San José Juan Santamaria Intl

Wed 4/3

2:08 p.m.-11:36 p.m.

1 stop8h 28m

C$ 578

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 21/2

4:37 p.m.-11:40 a.m.

1 stop20h 03m

San José Juan Santamaria Intl

Sat 28/2

2:30 p.m.-1:24 p.m.

1 stop21h 54m

C$ 583

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 22 results
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Best time to book a flight from Buffalo to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Costa Rica

What is the cheapest month to book a flight from Buffalo to Costa Rica?

Currently, April is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of C$ 252). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of C$ 640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated 21 January 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andJetBlue from Buffalo to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,174 reviews
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,891 reviews
United Airlines
7.4
Good
9,191 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Costa Rica?

    Located just 13.4 km from the city centre, Buffalo (BUF) is the airport most travellers will use when flying to Costa Rica from Buffalo.

  • How long is the flight from Buffalo to Costa Rica?

    For as low as C$ 483, American Airlines can have you in Costa Rica from Buffalo in 7h 55m. The distance from Buffalo to Costa Rica is about 3655 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Buffalo to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Buffalo to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Costa Rica.

  • Can I find deals for business class flights from Buffalo to Costa Rica?

    Yes. Cheapflights offers flight deals from Buffalo to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Costa Rica?

    Currently, April is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of C$ 252). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of C$ 640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Buffalo to Costa Rica

Discover the top 3 airlines that operate flights from Buffalo to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 318AverageC$ 531FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 476AverageC$ 629FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 625AverageC$ 940FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Costa Rica?

Cheapflights makes it easy to find Buffalo to Costa Rica flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Costa Rica?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Buffalo to Costa Rica for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Buffalo to Costa Rica with no change fees?

Need flexible booking options for your flight to Costa Rica from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Costa Rica become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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