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Costa Rica

$114+ Cheap flights from Buffalo (BUF) to Costa Rica

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Buffalo to Costa Rica

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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:28 pm
BUF
-
LIR
2 stops18h 00m
American Airlines
Mon 4/272:40 pm
LIR
-
BUF
2 stops20h 06m
American Airlines
Deal found 1/27$271
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:51 pm
BUF
-
LIR
2 stops17h 19m
American Airlines
Sun 3/82:13 pm
LIR
-
BUF
2 stops20h 38m
American Airlines
Deal found 1/28$276
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:32 pm
BUF
-
LIR
2 stops18h 41m
American Airlines
Tue 3/102:13 pm
LIR
-
BUF
2 stops19h 36m
American Airlines
Deal found 1/27$301
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:00 am
BUF
-
SJO
2 stops15h 15m
Delta
Sun 2/87:00 am
SJO
-
BUF
1 stop15h 28m
Delta
Deal found 1/28$322
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:38 pm
BUF
-
LIR
2 stops18h 06m
American Airlines
Fri 8/212:26 pm
LIR
-
BUF
2 stops18h 38m
American Airlines
Deal found 1/28$331
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:05 am
BUF
-
SJO
1 stop15h 07m
GOL
Tue 3/33:59 pm
SJO
-
BUF
2 stops19h 52m
GOL
Deal found 1/28$333
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:05 am
BUF
-
SJO
1 stop15h 07m
American Airlines
Mon 3/96:00 am
SJO
-
BUF
1 stop15h 40m
American Airlines
Deal found 1/28$337
This Gurufare deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:28 pm
BUF
-
SJO
2 stops17h 39m
GOL
Sat 5/212:12 pm
SJO
-
BUF
2 stops20h 44m
GOL
Deal found 1/28$344
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:37 pm
BUF
-
SJO
1 stop20h 03m
Multiple Airlines
Sun 3/112:35 pm
SJO
-
BUF
2 stops23h 18m
Multiple Airlines
Deal found 1/27$346
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:31 pm
BUF
-
SJO
1 stop8h 41m
American Airlines
Sun 3/112:35 am
SJO
-
BUF
1 stop21h 06m
American Airlines
Deal found 1/28$347
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:35 pm
BUF
-
LIR
1 stop19h 57m
American Airlines
Fri 3/61:21 pm
LIR
-
BUF
2 stops22h 34m
American Airlines
Deal found 1/27$349
This Avianca deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:35 am
BUF
-
SJO
2 stops15h 05m
Multiple Airlines
Wed 3/184:15 pm
SJO
-
BUF
2 stops14h 49m
Multiple Airlines
Deal found 1/27$349

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(American Airlines)

One-way from

$114
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$516
Provider with most accurate pricing for Buffalo-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-San José Juan Santamaria Intl flights.
Search Deals
From Buffalo to Costa Rica
Search Deals
One-way flight from Buffalo to Costa Rica
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 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 2,558,603 searches. Data last updated January 29, 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

Sat 2/28

6:35 pm-12:10 pm

2 stops18h 35m

Liberia

Fri 3/6

1:21 pm-12:55 pm

2 stops22h 34m

$271

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 4/24

7:28 pm-11:28 am

2 stops18h 00m

Liberia

Mon 4/27

2:40 pm-12:46 pm

2 stops20h 06m

$271

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sat 2/28

7:51 pm-12:10 pm

2 stops17h 19m

Liberia

Sun 3/8

2:13 pm-12:51 pm

2 stops20h 38m

$276

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 2/21

4:37 pm-11:40 am

1 stop20h 03m

San José Juan Santamaria Intl

Sun 3/1

12:35 pm-10:49 am

1 stop21h 14m

$322

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

6:05 am-8:12 pm

1 stop15h 07m

San José Juan Santamaria Intl

Tue 3/3

3:59 pm-12:51 pm

2 stops19h 52m

$333

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 2/25

6:39 pm-10:24 am

2 stops16h 45m

San José Juan Santamaria Intl

Tue 3/10

2:59 pm-12:51 pm

2 stops19h 52m

$333

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

6:05 am-8:12 pm

1 stop15h 07m

San José Juan Santamaria Intl

Mon 3/9

6:00 am-11:40 pm

1 stop15h 40m

$337

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 2/25

6:39 pm-10:24 am

2 stops16h 45m

San José Juan Santamaria Intl

Tue 3/10

6:00 am-5:29 pm

1 stop9h 29m

$342

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 5/1

7:39 pm-8:30 am

2 stops14h 51m

San José Juan Santamaria Intl

Thu 5/14

7:45 pm-9:00 am

2 stops11h 15m

$358

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

5:29 am-8:12 pm

2 stops15h 43m

San José Juan Santamaria Intl

Sun 3/1

12:35 am-10:41 pm

1 stop21h 06m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 27 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 $182). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of $463). 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 January 29, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,127 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,891 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

    Most people fly from Buffalo (BUF) if they book a flight from Buffalo to Costa Rica. Buffalo is conveniently located just 8.3 mi from Buffalo’s city center.

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

    American Airlines and GOL can get you from Buffalo to Costa Rica in just under 15h 07m. Your travel time can differ by up to 3h 28m. The distance from Buffalo to Costa Rica is about 2299 mi. 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 $182). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of $463). 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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Alternative routes for Buffalo to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Buffalo to Costa Rica

Discover the top 5 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$530FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$313Average$605FlexibilityNo cancel feeOn-time71%
DeltaCheapest$315Average$577FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$628FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$398Average$575FlexibilityNo cancel feeOn-time63%

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