Cheap flights from Buffalo to Costa Rica from C$ 163

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

C$ 373

One-way from

C$ 163

Popular in

July

Cheapest in

September

Average price

C$ 713
American Airlines
  • American Airlines
  • 4/2-11/2
  • 4 total stops
  • 39h 12m total
  • Buffalo to Costa Rica
United Airlines
  • United Airlines
  • 1/5
  • 1 total stop
  • 20h 05m total
  • Buffalo to Costa Rica
Highest demand for flights based on searches. 20% potential increase in price (C$ 285 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from Buffalo to Costa Rica

Enter your travel dates to find the best prices.

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 8 January 2026.

Wed 4/26:32 p.m.BUF - LIR
2 stops18h 40mAmerican Airlines
Wed 11/21:21 p.m.LIR - BUF
2 stops20h 32mAmerican Airlines
Deal found 7/1C$ 373
Sun 8/26:53 p.m.BUF - LIR
1 stop18h 44mAmerican Airlines
Mon 23/22:32 p.m.LIR - BUF
1 stop20h 11mAmerican Airlines
Deal found 8/1C$ 409
Mon 9/26:00 a.m.BUF - LIR
1 stop7h 40mJetBlue
Thu 26/22:00 p.m.LIR - BUF
1 stop8h 33mJetBlue
Deal found 8/1C$ 437
Wed 4/212:25 p.m.BUF - LIR
2 stops26h 05mDelta
Wed 11/23:05 p.m.LIR - BUF
1 stop7h 23mDelta
Deal found 7/1C$ 456
Tue 3/211:21 a.m.BUF - SJO
1 stop12h 09mAmerican Airlines
Tue 10/26:00 a.m.SJO - BUF
2 stops16h 41mAmerican Airlines
Deal found 6/1C$ 464
Sun 8/26:00 a.m.BUF - LIR
1 stop7h 55mJetBlue
Tue 24/22:00 p.m.LIR - BUF
1 stop8h 33mJetBlue
Deal found 8/1C$ 469
Fri 6/27:45 p.m.BUF - LIR
1 stop15h 37mJetBlue
Tue 24/22:00 p.m.LIR - BUF
1 stop8h 33mJetBlue
Deal found 8/1C$ 470
Wed 15/47:00 a.m.BUF - SJO
2 stops15h 19mUnited Airlines
Thu 23/412:44 p.m.SJO - BUF
1 stop8h 49mUnited Airlines
Deal found 6/1C$ 480
Sat 7/26:32 p.m.BUF - LIR
1 stop19h 05mAmerican Airlines
Thu 26/21:39 p.m.LIR - BUF
1 stop22h 12mAmerican Airlines
Deal found 8/1C$ 484
Wed 21/110:45 a.m.BUF - SJO
2 stops10h 54mUnited Airlines
Mon 26/16:30 a.m.SJO - BUF
2 stops15h 01mUnited Airlines
Deal found 8/1C$ 489
Tue 20/111:51 a.m.BUF - SJO
2 stops11h 24mDelta
Fri 23/17:00 a.m.SJO - BUF
2 stops14h 52mDelta
Deal found 7/1C$ 498
Sun 8/29:55 a.m.BUF - SJO
2 stops28h 01mUnited Airlines
Tue 17/31:05 p.m.SJO - BUF
1 stop29h 41mUnited Airlines
Deal found 8/1C$ 522

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 629,999 searches. Data last updated 8 January 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

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 8/2

6:53 p.m.-12:37 p.m.

1 stop18h 44m

Liberia

Mon 23/2

2:32 p.m.-11:43 a.m.

1 stop20h 11m

C$ 409

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Mon 9/2

6:00 a.m.-12:40 p.m.

1 stop7h 40m

Liberia

Tue 24/2

2:00 p.m.-11:33 p.m.

1 stop8h 33m

C$ 437

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Wed 4/2

12:25 p.m.-1:30 p.m.

2 stops26h 05m

Liberia

Wed 11/2

3:05 p.m.-11:28 p.m.

1 stop7h 23m

C$ 456

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 3/2

11:21 a.m.-10:30 p.m.

1 stop12h 09m

San José Juan Santamaria Intl

Tue 10/2

6:00 a.m.-11:41 p.m.

2 stops16h 41m

C$ 464

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 8/2

6:00 a.m.-12:55 p.m.

1 stop7h 55m

Liberia

Tue 24/2

2:00 p.m.-11:33 p.m.

1 stop8h 33m

C$ 469

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Sun 8/2

6:00 a.m.-12:55 p.m.

1 stop7h 55m

Liberia

Thu 26/2

2:00 p.m.-11:33 p.m.

1 stop8h 33m

C$ 469

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 6/2

7:45 p.m.-10:22 a.m.

1 stop15h 37m

Liberia

Tue 24/2

2:00 p.m.-11:33 p.m.

1 stop8h 33m

C$ 470

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Fri 6/2

7:45 p.m.-10:22 a.m.

1 stop15h 37m

Liberia

Thu 26/2

2:00 p.m.-11:33 p.m.

1 stop8h 33m

C$ 470

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 15/4

7:00 a.m.-8:19 p.m.

2 stops15h 19m

San José Juan Santamaria Intl

Thu 23/4

12:44 p.m.-11:33 p.m.

1 stop8h 49m

C$ 480

BuffaloLiberia

BUF - LIR

BUFLIR

Buffalo

Tue 10/2

6:32 p.m.-2:13 p.m.

2 stops20h 41m

Liberia

Wed 25/2

2:32 p.m.-5:31 p.m.

1 stop25h 59m

C$ 484

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 30 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 C$ 261). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of C$ 640). 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 8 January 2026.
Get a feel of what it's like to fly with United Airlines and JetBlue from Buffalo to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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?

    Located just 13.4 km from the city centre, Buffalo (BUF) is the airport most travellers will use when flying to Costa Rica from Buffalo.

  • How long is the flight from Buffalo to Costa Rica?

    For as low as C$ 437, American Airlines can have you in Costa Rica from Buffalo in 7h 40m. The distance from Buffalo to Costa Rica is about 3655 km. 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 C$ 261). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of C$ 640). 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

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Top 2 airlines flying from Buffalo to Costa Rica

Discover the top 2 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 629,999 searches. Data last updated 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 476AverageC$ 641FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 625AverageC$ 940FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Need flexible booking options for your flight to Costa Rica from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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