Costa Rica

$133+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jul 10 — Jul 171
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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 June 10, 2026.

This American Airlines deal was found by Cheapflights users on 6/9. 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 8/186:59 pm
BUF
-
SJO
2 stops19h 04m
American Airlines
Wed 8/262:56 pm
SJO
-
BUF
2 stops19h 10m
American Airlines
Deal found 6/9$299
This American Airlines deal was found by Cheapflights users on 6/8. 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 10/267:40 pm
BUF
-
SJO
2 stops17h 25m
American Airlines
Sat 10/311:05 pm
SJO
-
BUF
2 stops20h 32m
American Airlines
Deal found 6/8$344
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 8/256:00 am
BUF
-
LIR
1 stop8h 00m
Delta
Thu 9/31:25 pm
LIR
-
BUF
1 stop8h 34m
Delta
Deal found 6/5$362
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/285:38 pm
BUF
-
LIR
2 stops19h 49m
American Airlines
Tue 9/112:35 pm
LIR
-
BUF
2 stops19h 04m
American Airlines
Deal found 6/5$376
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/185:00 am
BUF
-
SJO
2 stops16h 52m
American Airlines
Fri 8/282:56 pm
SJO
-
BUF
2 stops19h 10m
American Airlines
Deal found 6/8$389
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/115:50 pm
BUF
-
SJO
2 stops18h 35m
United Airlines
Wed 11/1812:35 pm
SJO
-
BUF
2 stops20h 14m
United Airlines
Deal found 6/9$419
This BusinessClass deal was found by Cheapflights users on 6/8. 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.
Mon 10/267:00 am
BUF
-
SJO
1 stop8h 58m
GOL
Sat 10/312:45 pm
SJO
-
BUF
2 stops19h 17m
GOL
Deal found 6/8$440
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/294:49 pm
BUF
-
LIR
2 stops20h 38m
American Airlines
Thu 9/32:45 pm
LIR
-
BUF
2 stops21h 41m
American Airlines
Deal found 6/5$446
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 11/117:12 pm
BUF
-
SJO
1 stop18h 10m
American Airlines
Wed 11/181:23 pm
SJO
-
BUF
1 stop9h 45m
American Airlines
Deal found 6/9$448
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 8/266:59 pm
BUF
-
LIR
2 stops20h 39m
American Airlines
Thu 9/32:45 pm
LIR
-
BUF
2 stops21h 41m
American Airlines
Deal found 6/5$451
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 8/256:10 pm
BUF
-
LIR
2 stops19h 50m
Delta
Fri 9/41:25 pm
LIR
-
BUF
2 stops30h 07m
Delta
Deal found 6/5$454
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 12/26:00 am
BUF
-
LIR
1 stop7h 30m
American Airlines
Wed 12/91:39 pm
LIR
-
BUF
1 stop9h 28m
American Airlines
Deal found 6/10$464

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(American Airlines)

One-way from

$180
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$513
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
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 10, 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

Cheapest round-trip

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 8/31

7:59 pm-12:00 pm

2 stops18h 01m

Liberia

Thu 9/3

1:25 pm-11:59 pm

1 stop8h 34m

$362

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 11/11

5:50 pm-11:25 am

2 stops18h 35m

San José Juan Santamaria Intl

Wed 11/18

11:28 pm-10:37 pm

1 stop22h 09m

$425
Quickest round-trip

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Wed 12/2

6:00 am-12:30 pm

1 stop7h 30m

Liberia

Wed 12/9

1:39 pm-12:07 am

1 stop9h 28m

$469

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 8/21

5:58 pm-12:10 pm

2 stops20h 12m

Liberia

Fri 8/28

1:20 pm-9:28 am

2 stops18h 08m

$527

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Thu 8/27

5:58 pm-12:10 pm

2 stops20h 12m

Liberia

Tue 9/1

1:20 pm-9:28 am

2 stops18h 08m

$527

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 10/26

5:05 am-12:00 pm

1 stop8h 55m

San José Juan Santamaria Intl

Sat 10/31

9:00 am-10:35 pm

1 stop11h 35m

$570

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 7/7

10:57 am-10:11 am

2 stops25h 14m

San José Juan Santamaria Intl

Sun 7/12

7:55 am-10:00 am

2 stops24h 05m

$589

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 8/18

6:50 am-12:45 pm

1 stop7h 55m

San José Juan Santamaria Intl

Wed 8/26

9:00 am-9:40 pm

1 stop10h 40m

$598

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 8/18

8:02 pm-11:45 am

3 stops17h 43m

San José Juan Santamaria Intl

Wed 8/26

12:40 pm-7:50 am

3 stops17h 10m

$613

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 6/22

7:52 pm-7:37 pm

2 stops25h 45m

San José Juan Santamaria Intl

Thu 7/23

12:30 am-10:00 am

2 stops31h 30m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 31 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 $168). Flying from Buffalo to Costa Rica in May is currently the most expensive (average of $373). 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 June 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 Delta can get you from Buffalo to Costa Rica in just under 18h 12m. Your travel time can differ by up to 52m. The distance from Buffalo to Costa Rica is about 2271 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 $168). Flying from Buffalo to Costa Rica in May is currently the most expensive (average of $373). 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$501FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$259Average$527FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$595FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$369Average$628FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$470Average$705FlexibilityNo cancel feeOn-time63%

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