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Costa Rica

$112+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$250
(United Airlines)

One-way from

$112
(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 6, 2026.

This American Airlines deal was found by Cheapflights users on 1/4. 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 1/4$249
This American Airlines deal was found by Cheapflights users on 1/4. 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 2/253:59 pmSJO - BUF
2 stops17h 54mAmerican Airlines
Deal found 1/4$250
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 2/2312:31 pmBUF - SJO
1 stop8h 41mAmerican Airlines
Mon 3/911:35 pmSJO - BUF
1 stop21h 06mAmerican Airlines
Deal found 1/5$252
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Tue 1/207:30 amBUF - SJO
1 stop16h 00mAmerican Airlines
Fri 1/237:09 amSJO - BUF
1 stop15h 39mAmerican Airlines
Deal found 1/5$253
This American Airlines deal was found by Cheapflights users on 1/3. 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 4/187:28 pmBUF - SJO
2 stops17h 39mAmerican Airlines
Fri 5/12:22 pmSJO - BUF
2 stops17h 56mAmerican Airlines
Deal found 1/3$261
This Delta deal was found by Cheapflights users on 1/4. 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 1/2012:25 pmBUF - SJO
2 stops10h 50mDelta
Fri 1/237:00 amSJO - BUF
2 stops14h 52mDelta
Deal found 1/4$322
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 1/206:00 amBUF - LIR
1 stop9h 15mDelta
Tue 1/272:05 pmLIR - BUF
1 stop8h 23mDelta
Deal found 1/6$326
This American Airlines deal was found by Cheapflights users on 1/5. 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 1/236:53 pmBUF - LIR
2 stops20h 20mAmerican Airlines
Tue 2/31:46 pmLIR - BUF
1 stop8h 55mAmerican Airlines
Deal found 1/5$330
This Avianca deal was found by Cheapflights users on 1/5. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:35 amBUF - SJO
2 stops14h 05mMultiple Airlines
Mon 3/25:00 amSJO - BUF
2 stops12h 35mMultiple Airlines
Deal found 1/5$330
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.
Sun 5/105:45 pmBUF - LIR
2 stops19h 43mAmerican Airlines
Sun 5/1712:28 pmLIR - BUF
2 stops20h 28mAmerican Airlines
Deal found 1/6$335
This American Airlines deal was found by Cheapflights users on 1/5. 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 3/611:23 amBUF - LIR
1 stop25h 58mAmerican Airlines
Tue 3/1012:21 pmLIR - BUF
2 stops21h 28mAmerican Airlines
Deal found 1/5$337
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.
Sun 2/157:41 pmBUF - LIR
2 stops17h 29mAmerican Airlines
Wed 2/183:32 pmLIR - BUF
2 stops24h 59mAmerican Airlines
Deal found 1/6$376

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 6, 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

3:59 pm-10:53 am

2 stops17h 54m

$250

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 2/3

5:23 pm-1:15 pm

2 stops20h 52m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-10:31 pm

2 stops15h 01m

$250

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

11:35 pm-3:25 pm

2 stops13h 50m

$250

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 1/20

7:30 am-10:30 pm

1 stop16h 00m

San José Juan Santamaria Intl

Fri 1/23

7:09 am-11:48 pm

1 stop15h 39m

$253

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 1/19

7:30 am-10:30 pm

1 stop16h 00m

San José Juan Santamaria Intl

Thu 1/22

7:09 am-11:48 pm

1 stop15h 39m

$253

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Wed 1/28

6:00 am-12:50 pm

1 stop7h 50m

Liberia

Wed 2/4

2:05 pm-11:28 pm

1 stop8h 23m

$326

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

10:35 am-11:40 pm

2 stops14h 05m

San José Juan Santamaria Intl

Mon 3/2

5:00 am-6:35 pm

2 stops12h 35m

$330

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 4/24

5:45 pm-11:31 am

2 stops19h 46m

Liberia

Mon 4/27

12:28 pm-10:56 am

2 stops20h 28m

$330

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

$330

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 3/18

6:30 am-9:43 pm

1 stop17h 13m

San José Juan Santamaria Intl

Tue 3/24

6:00 am-4:23 pm

1 stop8h 23m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

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 6, 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
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
4,247 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
8,018 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
9,132 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
11,083 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
2,900 reviews
Southwest
8.0
Very good
4,247 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

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, United Airlines, and Delta can get you from Buffalo to Costa Rica in just under 7h 50m. Your travel time can differ by up to 13h 02m. 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, 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 6, 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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