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Costa Rica

$107+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$250
(American Airlines)

One-way from

$107
(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.
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Provider most trusted by Cheapflights users for Buffalo-San José Juan Santamaria Intl flights.
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From Buffalo to Costa Rica
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One-way flight from Buffalo to Costa Rica
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Highest demand for flights based on searches. 20% potential increase in price ($149 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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 2/186:39 pmBUF - SJO
2 stops16h 45mAmerican Airlines
Wed 2/257:00 amSJO - BUF
1 stop15h 40mAmerican Airlines
Deal found 1/7$250
This American Airlines deal was found by Cheapflights users on 1/7. 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 1/2111:21 amBUF - SJO
1 stop12h 09mAmerican Airlines
Mon 1/267:09 amSJO - BUF
1 stop15h 39mAmerican Airlines
Deal found 1/7$253
This American Airlines deal was found by Cheapflights users on 1/6. 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 5/47:28 pmBUF - SJO
1 stop18h 07mAmerican Airlines
Sat 5/92:22 pmSJO - BUF
2 stops17h 56mAmerican Airlines
Deal found 1/6$261
This American Airlines deal was found by Cheapflights users on 1/7. 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 2/216:35 pmBUF - LIR
2 stops18h 35mAmerican Airlines
Sat 2/283:29 pmLIR - BUF
2 stops20h 22mAmerican Airlines
Deal found 1/7$270
This American Airlines deal was found by Cheapflights users on 1/8. 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.
Fri 4/245:45 pmBUF - LIR
2 stops19h 46mAmerican Airlines
Mon 4/272:40 pmLIR - BUF
2 stops20h 06mAmerican Airlines
Deal found 1/8$271
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 3/56:05 amBUF - LIR
1 stop8h 27mAmerican Airlines
Thu 3/121:32 pmLIR - BUF
1 stop20h 17mAmerican Airlines
Deal found 1/7$272
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 3/17:41 pmBUF - LIR
1 stop17h 56mAmerican Airlines
Sun 3/82:13 pmLIR - BUF
2 stops20h 38mAmerican Airlines
Deal found 1/7$275
This American Airlines deal was found by Cheapflights users on 1/8. 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.
Sun 2/86:53 pmBUF - LIR
1 stop18h 44mAmerican Airlines
Mon 2/232:32 pmLIR - BUF
1 stop20h 11mAmerican Airlines
Deal found 1/8$296
This American Airlines deal was found by Cheapflights users on 1/6. 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 1/236:53 pmBUF - LIR
2 stops20h 20mAmerican Airlines
Tue 2/33:23 pmLIR - BUF
2 stops18h 28mAmerican Airlines
Deal found 1/6$300
This American Airlines deal was found by Cheapflights users on 1/8. 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 2/25:16 pmBUF - LIR
2 stops19h 56mAmerican Airlines
Thu 2/263:13 pmLIR - BUF
2 stops19h 30mAmerican Airlines
Deal found 1/8$301
This JetBlue deal was found by Cheapflights users on 1/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:00 amBUF - LIR
1 stop7h 40mJetBlue
Tue 2/242:00 pmLIR - BUF
1 stop8h 33mJetBlue
Deal found 1/8$316
This Delta deal was found by Cheapflights users on 1/6. 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 1/2011:51 amBUF - SJO
2 stops11h 24mDelta
Fri 1/237:00 amSJO - BUF
1 stop9h 54mDelta
Deal found 1/6$322

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 8, 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

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 2/18

6:39 pm-10:24 am

2 stops16h 45m

San José Juan Santamaria Intl

Wed 2/25

7:00 am-11:40 pm

1 stop15h 40m

$250

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 1/21

7:00 am-10:30 pm

2 stops16h 30m

San José Juan Santamaria Intl

Mon 1/26

7:09 am-11:48 pm

1 stop15h 39m

$258

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 5/4

7:28 pm-11:35 am

1 stop18h 07m

San José Juan Santamaria Intl

Sat 5/9

2:22 pm-10:18 am

2 stops17h 56m

$261

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sat 2/21

7:51 pm-12:37 pm

1 stop17h 46m

Liberia

Sat 2/28

3:29 pm-12:51 pm

2 stops20h 22m

$270

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Thu 3/5

7:41 pm-2:13 pm

2 stops19h 32m

Liberia

Thu 3/12

2:13 pm-11:49 am

2 stops19h 36m

$270

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 3/1

5:29 pm-12:10 pm

2 stops19h 41m

Liberia

Sun 3/8

2:13 pm-12:51 pm

2 stops20h 38m

$275

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 2/8

6:53 pm-12:37 pm

1 stop18h 44m

Liberia

Mon 2/23

2:32 pm-11:43 am

1 stop20h 11m

$296

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 1/23

6:53 pm-2:13 pm

2 stops20h 20m

Liberia

Tue 2/3

1:46 pm-11:41 pm

1 stop8h 55m

$300

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Tue 1/20

4:17 pm-12:12 pm

2 stops20h 55m

Liberia

Tue 1/27

1:46 pm-11:41 pm

1 stop8h 55m

$300

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 2/2

5:16 pm-12:12 pm

2 stops19h 56m

Liberia

Thu 2/26

3:13 pm-11:43 am

2 stops19h 30m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 29 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, August is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $189). 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 8, 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
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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
8,025 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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
9,139 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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
11,097 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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
2,894 reviews
Southwest
8.0
Very good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

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 can get you from Buffalo to Costa Rica in just under 16h 45m. Your travel time can differ by up to . The distance from Buffalo to Costa Rica is about 2299 mi.

  • 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, August is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $189). 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$493FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$313Average$619FlexibilityNo cancel feeOn-time71%
DeltaCheapest$315Average$552FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$628FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$466Average$676FlexibilityNo cancel feeOn-time63%

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