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Costa Rica

$125+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Gurufare deal was found by Cheapflights users on 12/17. 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.
Thu 12/187:15 pmBUF - SJO
2 stops18h 18mGOL
Wed 12/2411:32 amSJO - BUF
2 stops22h 35mGOL
Deal found 12/17$343
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/1812:46 pmBUF - SJO
1 stop8h 28mAmerican Airlines
Wed 12/241:31 pmSJO - BUF
1 stop20h 38mAmerican Airlines
Deal found 12/17$358
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2210:29 amBUF - SJO
2 stops27h 27mUnited Airlines
Sun 12/282:30 pmSJO - BUF
1 stop22h 44mUnited Airlines
Deal found 12/16$511
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/207:15 pmBUF - SJO
2 stops16h 17mAmerican Airlines
Wed 12/313:29 pmSJO - BUF
2 stops18h 38mAmerican Airlines
Deal found 12/17$537
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/205:35 pmBUF - SJO
1 stop20h 21mUnited Airlines
Wed 12/316:30 amSJO - BUF
2 stops37h 24mUnited Airlines
Deal found 12/17$609
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/266:30 amBUF - SJO
2 stops41h 02mUnited Airlines
Wed 12/316:30 amSJO - BUF
2 stops29h 54mUnited Airlines
Deal found 12/16$657
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/266:24 amBUF - SJO
1 stop17h 21mAmerican Airlines
Wed 12/313:29 pmSJO - BUF
2 stops18h 38mAmerican Airlines
Deal found 12/16$853
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 amBUF - LIR
1 stop7h 50mDelta
Sat 1/33:05 pmLIR - BUF
1 stop7h 42mDelta
Deal found 12/16$1,685
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:00 amBUF - LIR
1 stop7h 50mDelta
Sat 1/33:05 pmLIR - BUF
1 stop7h 42mDelta
Deal found 12/17$1,879
This Delta deal was found by Cheapflights users on 12/16. 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 12/266:00 amBUF - LIR
1 stop7h 50mDelta
Sat 1/33:05 pmLIR - BUF
1 stop7h 42mDelta
Deal found 12/16$2,101
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/256:00 amBUF - LIR
1 stop8h 37mAmerican Airlines
Sat 1/311:55 amLIR - BUF
1 stop10h 53mAmerican Airlines
Deal found 12/16$3,062
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/247:40 amBUF - LIR
1 stop30h 57mAmerican Airlines
Sat 1/33:13 pmLIR - BUF
2 stops18h 54mAmerican Airlines
Deal found 12/16$3,075

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$236
(American Airlines)

One-way from

$125
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$778
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. 27% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Fri 1/30

6:53 am-3:01 pm

1 stop9h 08m

San José Juan Santamaria Intl

Fri 2/6

6:00 am-4:57 pm

2 stops9h 57m

$236

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 1/20

6:32 pm-12:43 pm

2 stops19h 11m

San José Juan Santamaria Intl

Fri 1/23

7:09 am-11:48 pm

1 stop15h 39m

$248

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

6:17 am-12:45 pm

1 stop7h 28m

San José Juan Santamaria Intl

Mon 3/9

11:35 pm-10:41 pm

1 stop21h 06m

$251

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 1/23

6:53 pm-12:12 pm

2 stops18h 19m

Liberia

Tue 2/3

3:23 pm-12:08 pm

2 stops19h 45m

$285

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Tue 1/6

5:44 pm-12:50 pm

2 stops20h 06m

Liberia

Mon 1/12

3:05 pm-11:56 pm

1 stop7h 51m

$306

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 3/3

6:00 am-1:53 pm

1 stop8h 53m

San José Juan Santamaria Intl

Mon 3/9

12:10 pm-10:11 pm

1 stop8h 01m

$314

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Tue 3/3

6:00 am-1:50 pm

1 stop8h 50m

Liberia

Thu 3/12

2:15 pm-11:59 pm

1 stop7h 44m

$315

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 1/30

7:45 pm-4:10 pm

2 stops21h 25m

San José Juan Santamaria Intl

Fri 2/6

7:50 pm-9:04 am

2 stops12h 14m

$320

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

10:21 am-11:40 pm

2 stops14h 19m

San José Juan Santamaria Intl

Mon 3/2

5:00 am-6:33 pm

2 stops12h 33m

$329

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Wed 3/4

7:00 am-6:37 pm

2 stops12h 37m

Liberia

Tue 3/10

7:35 am-11:42 pm

2 stops14h 07m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 32 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 $192). 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.

What is the cheapest time of day to fly from BUF to CR?

Find hourly flight availability from Buffalo to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 46% on flights from Buffalo to Costa Rica by exploring options for tickets in the afternoon.

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 December 18, 2025.
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
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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
11,055 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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
2,897 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

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 Delta can get you from Buffalo to Costa Rica in just under 9h 08m. Your travel time can differ by up to 10h 58m. 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, August is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $192). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$521FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$313Average$614FlexibilityNo 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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