Costa Rica

$103+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Mar 30 — Apr 61
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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 February 28, 2026.

This American Airlines deal was found by Cheapflights users on 2/24. 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 5/27:28 pm
BUF
-
SJO
1 stop17h 57m
American Airlines
Tue 5/1212:35 pm
SJO
-
BUF
1 stop8h 05m
American Airlines
Deal found 2/24$248
This American Airlines deal was found by Cheapflights users on 2/25. 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 5/167:28 pm
BUF
-
LIR
1 stop18h 00m
American Airlines
Sat 5/232:18 pm
LIR
-
BUF
1 stop17h 11m
American Airlines
Deal found 2/25$308
This American Airlines deal was found by Cheapflights users on 2/25. 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 stops17h 53m
American Airlines
Mon 4/272:10 pm
LIR
-
BUF
2 stops18h 41m
American Airlines
Deal found 2/25$325
This BusinessClass deal was found by Cheapflights users on 2/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:32 am
BUF
-
SJO
2 stops12h 30m
LATAM Airlines
Fri 3/62:25 pm
SJO
-
BUF
2 stops21h 11m
LATAM Airlines
Deal found 2/26$330
This American Airlines deal was found by Cheapflights users on 2/28. 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 10/103:31 pm
BUF
-
LIR
2 stops21h 34m
American Airlines
Sun 10/182:00 pm
LIR
-
BUF
2 stops18h 41m
American Airlines
Deal found 2/28$346
This KAYAK deal was found by Cheapflights users on 2/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:31 pm
BUF
-
SJO
2 stops18h 19m
GOL
Wed 5/272:08 pm
SJO
-
BUF
2 stops20h 47m
GOL
Deal found 2/24$347
This KAYAK deal was found by Cheapflights users on 2/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:40 pm
BUF
-
SJO
2 stops19h 34m
GOL
Tue 3/242:59 pm
SJO
-
BUF
2 stops19h 52m
GOL
Deal found 2/27$352
This BusinessClass deal was found by Cheapflights users on 2/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:39 pm
BUF
-
SJO
2 stops18h 47m
GOL
Tue 4/76:00 am
SJO
-
BUF
1 stop13h 36m
GOL
Deal found 2/24$354
This Delta deal was found by Cheapflights users on 2/25. 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.
Fri 3/65:44 pm
BUF
-
LIR
1 stop18h 31m
Delta
Wed 3/111:05 pm
LIR
-
BUF
1 stop8h 41m
Delta
Deal found 2/25$356
This American Airlines deal was found by Cheapflights users on 2/28. 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.
Tue 3/312:31 pm
BUF
-
SJO
1 stop8h 41m
American Airlines
Thu 3/51:46 pm
SJO
-
BUF
1 stop9h 04m
American Airlines
Deal found 2/28$369
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
BUF
-
LIR
2 stops12h 37m
United Airlines
Tue 3/107:35 am
LIR
-
BUF
2 stops14h 21m
United Airlines
Deal found 2/24$370
This Avianca deal was found by Cheapflights users on 2/27. 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.
Thu 10/17:59 pm
BUF
-
SJO
2 stops14h 46m
Multiple Airlines
Sat 10/107:45 pm
SJO
-
BUF
2 stops14h 12m
Multiple Airlines
Deal found 2/27$379

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 February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(American Airlines)

One-way from

$103
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$563
Provider with most accurate pricing for Buffalo-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Buffalo-San José Juan Santamaria Intl flights.
From Buffalo to Costa Rica
One-way flight from Buffalo to Costa Rica
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 28, 2026.
Use the filters below to find and compare flights from Buffalo to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sat 5/16

7:28 pm-11:28 am

1 stop18h 00m

Liberia

Sat 5/23

2:18 pm-9:29 am

1 stop17h 11m

$308

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 5/25

7:31 pm-1:19 pm

2 stops19h 48m

Liberia

Sat 5/30

2:18 pm-10:31 pm

1 stop30h 13m

$418

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 5/5

7:20 am-11:55 am

1 stop6h 35m

San José Juan Santamaria Intl

Wed 5/6

12:40 pm-10:48 pm

1 stop8h 08m

$433

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 3/18

10:23 am-9:15 pm

2 stops12h 52m

San José Juan Santamaria Intl

Wed 3/25

7:00 am-11:13 pm

2 stops14h 13m

$480

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 3/11

7:30 pm-7:39 pm

2 stops26h 09m

San José Juan Santamaria Intl

Tue 3/17

5:30 am-11:56 pm

2 stops16h 26m

$483

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 3/16

7:30 pm-11:42 am

2 stops18h 12m

San José Juan Santamaria Intl

Wed 3/18

1:20 pm-9:50 am

2 stops18h 30m

$490

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 6/17

5:52 pm-10:11 am

2 stops18h 19m

San José Juan Santamaria Intl

Sat 6/20

12:30 am-9:03 pm

2 stops18h 33m

$506

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 3/16

5:29 pm-5:37 pm

2 stops26h 08m

Liberia

Tue 3/24

1:20 pm-8:46 pm

2 stops29h 26m

$546

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 3/15

6:51 am-11:55 am

1 stop31h 04m

Liberia

Tue 3/24

1:20 pm-8:46 pm

2 stops29h 26m

$553

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 3/18

10:23 am-9:15 pm

2 stops12h 52m

San José Juan Santamaria Intl

Tue 3/31

1:20 pm-11:46 pm

1 stop8h 26m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 37 resultsSorted by cheapest first
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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 May is currently the most expensive (average of $369). 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 February 28, 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.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2026

DEN - BDL

Weird they cancelled a direct and rerouted me on a connecting flight to get in 10 hours later. What was the point? Crew and flight were great, but not sure what's going on with Southwest.

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, GOL, and JetBlue can get you from Buffalo to Costa Rica in just under 6h 35m. Your travel time can differ by up to 13h 13m. 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 May is currently the most expensive (average of $369). 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 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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$174Average$505FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$259Average$559FlexibilityNo cancel feeOn-time71%
DeltaCheapest$305Average$573FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$628FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$398Average$575FlexibilityNo cancel feeOn-time63%

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