$137+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Buffalo to Costa RicaExplore 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 April 17, 2026.
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 April 17, 2026.
This American Airlines deal was found by Cheapflights users on 4/14. 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 11/47:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
Wed 11/116:22 am
SJO
- BUF
1 stop8h 55m
American Airlines
Deal found 4/14![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 4/14. 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 8/126:59 pm
BUF
- SJO
2 stops18h 35m
American Airlines
Tue 8/252:52 pm
SJO
- BUF
2 stops19h 14m
American Airlines
Deal found 4/14![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 4/14. 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 4/247:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
Mon 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 4/14![American Airlines logo]()
$332
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
Sat 6/279:35 am
SJO
- BUF
1 stop9h 45m
Frontier
Deal found 4/14![Frontier logo]()
$350
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/167:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Sat 5/232:21 pm
LIR
- BUF
1 stop17h 10m
American Airlines
Deal found 4/16![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/207:28 pm
BUF
- SJO
2 stops18h 22m
American Airlines
Tue 5/263:08 pm
SJO
- BUF
2 stops19h 47m
American Airlines
Deal found 4/14![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Thu 5/2112:35 pm
LIR
- BUF
2 stops18h 56m
American Airlines
Deal found 4/14![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 4/14. 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 6/246:25 am
BUF
- SJO
2 stops32h 44m
American Airlines
Sat 6/272:09 pm
SJO
- BUF
2 stops20h 46m
American Airlines
Deal found 4/14![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 4/14. 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 6/246:25 am
BUF
- SJO
2 stops32h 44m
American Airlines
Sun 6/2811:59 pm
SJO
- BUF
2 stops20h 37m
American Airlines
Deal found 4/14![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 4/14. 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 8/47:34 pm
BUF
- SJO
2 stops18h 00m
American Airlines
Tue 8/181:08 pm
SJO
- BUF
2 stops19h 46m
American Airlines
Deal found 4/14![American Airlines logo]()
$378
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
Mon 5/1811:59 pm
SJO
- BUF
1 stop11h 57m
JetBlue
Deal found 4/12![JetBlue logo]()
$382
This KAYAK deal was found by Cheapflights users on 4/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:35 pm
BUF
- SJO
2 stops20h 42m
GOL
Sat 7/182:12 pm
SJO
- BUF
2 stops20h 44m
GOL
Deal found 4/13![GOL logo]()
$385
Best flights from Buffalo to Costa RicaDiscover carefully curated flight deals from Buffalo to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Buffalo to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/185:40 pm
BUF
- SJO
2 stops19h 54m
American Airlines
Wed 8/262:52 pm
SJO
- BUF
2 stops17h 49m
American Airlines
Deal found 4/15![American Airlines logo]()
$315
This Orbitz deal was found by Cheapflights users on 4/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
Sat 8/229:35 am
SJO
- BUF
1 stop9h 45m
Frontier
Deal found 4/16![Frontier logo]()
$378
This KAYAK deal was found by Cheapflights users on 4/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:35 pm
BUF
- SJO
2 stops20h 42m
GOL
Sat 7/183:19 pm
SJO
- BUF
2 stops19h 37m
GOL
Deal found 4/15![GOL logo]()
$385
This United Airlines deal was found by Cheapflights users on 4/14. 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 10/27:03 pm
BUF
- LIR
2 stops18h 50m
United Airlines
Mon 10/51:20 pm
LIR
- BUF
2 stops18h 29m
United Airlines
Deal found 4/14![United Airlines logo]()
$401
This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Fri 6/52:00 pm
LIR
- BUF
1 stop16h 58m
JetBlue
Deal found 4/14![JetBlue logo]()
$420
This Delta deal was found by Cheapflights users on 4/14. 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.
Mon 6/227:57 pm
BUF
- SJO
2 stops17h 52m
Delta
Fri 6/261:14 pm
SJO
- BUF
1 stop8h 45m
Delta
Deal found 4/14![Delta logo]()
$506
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 8/157:37 pm
BUF
- SJO
2 stops18h 49m
American Airlines
Sat 8/222:52 pm
SJO
- BUF
2 stops17h 49m
American Airlines
Deal found 4/16![American Airlines logo]()
$345
This KAYAK deal was found by Cheapflights users on 4/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:28 pm
BUF
- SJO
2 stops17h 39m
GOL
Sat 5/911:35 pm
SJO
- BUF
2 stops22h 15m
GOL
Deal found 4/15![GOL logo]()
$390
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Thu 5/2112:35 pm
LIR
- BUF
2 stops18h 56m
American Airlines
Deal found 4/14![American Airlines logo]()
$371
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
Sat 7/189:35 am
SJO
- BUF
1 stop9h 45m
Frontier
Deal found 4/15![Frontier logo]()
$443
This Delta deal was found by Cheapflights users on 4/13. 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 5/66:00 am
BUF
- LIR
1 stop8h 00m
Delta
Sun 5/101:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 4/13![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/12. 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 9/2610:50 am
BUF
- SJO
2 stops27h 36m
United Airlines
Tue 9/291:30 pm
SJO
- BUF
2 stops18h 19m
United Airlines
Deal found 4/12![United Airlines logo]()
$514
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Tue 8/252:06 pm
LIR
- BUF
1 stop26h 52m
JetBlue
Deal found 4/16![JetBlue logo]()
$542
This Delta deal was found by Cheapflights users on 4/13. 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.
Mon 10/56:00 am
BUF
- SJO
1 stop7h 54m
Delta
Fri 10/91:23 pm
SJO
- BUF
1 stop8h 32m
Delta
Deal found 4/13![Delta logo]()
$513
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/611:02 am
BUF
- LIR
2 stops29h 23m
United Airlines
Sun 5/103:27 pm
LIR
- BUF
2 stops16h 13m
United Airlines
Deal found 4/13![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 4/12. 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 8/286:00 am
BUF
- LIR
1 stop8h 00m
Delta
Sun 9/61:25 pm
LIR
- BUF
1 stop8h 33m
Delta
Deal found 4/12![Delta logo]()
$524
This American Airlines deal was found by Cheapflights users on 4/13. 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 8/125:41 pm
BUF
- LIR
2 stops21h 30m
American Airlines
Tue 8/2512:35 pm
LIR
- BUF
2 stops21h 31m
American Airlines
Deal found 4/13![American Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/247:40 pm
BUF
- LIR
2 stops19h 38m
American Airlines
Mon 6/12:45 pm
LIR
- BUF
2 stops19h 32m
American Airlines
Deal found 4/15![American Airlines logo]()
$543
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated April 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/12. 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 4/176:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Fri 4/2412:44 pm
SJO
- BUF
1 stop8h 49m
United Airlines
Deal found 4/12![United Airlines logo]()
$390
This KAYAK deal was found by Cheapflights users on 4/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:32 pm
BUF
- SJO
2 stops19h 58m
GOL
Fri 4/242:22 pm
SJO
- BUF
2 stops20h 43m
GOL
Deal found 4/12![GOL logo]()
$422
This American Airlines deal was found by Cheapflights users on 4/14. 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 pm
BUF
- SJO
1 stop17h 57m
American Airlines
Mon 4/202:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 4/14![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 4/14. 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 4/247:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
Mon 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 4/14![American Airlines logo]()
$332
This Avianca deal was found by Cheapflights users on 4/15. 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.
Fri 5/18:01 pm
BUF
- SJO
2 stops14h 29m
Multiple Airlines
Sat 5/93:10 pm
SJO
- BUF
2 stops16h 21m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$428
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
Mon 5/1811:59 pm
SJO
- BUF
1 stop11h 57m
JetBlue
Deal found 4/12![JetBlue logo]()
$382
This American Airlines deal was found by Cheapflights users on 4/13. 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 5/126:59 pm
BUF
- SJO
2 stops20h 05m
American Airlines
Tue 5/192:08 pm
SJO
- BUF
2 stops18h 43m
American Airlines
Deal found 4/13![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Thu 5/2112:35 pm
LIR
- BUF
2 stops18h 56m
American Airlines
Deal found 4/14![American Airlines logo]()
$371
This BusinessClass deal was found by Cheapflights users on 4/14. 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.
Thu 5/147:28 pm
BUF
- SJO
2 stops17h 39m
GOL
Thu 5/2112:50 pm
SJO
- BUF
2 stops18h 41m
GOL
Deal found 4/14![GOL logo]()
$393
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/167:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Sat 5/232:21 pm
LIR
- BUF
1 stop17h 10m
American Airlines
Deal found 4/16![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/207:28 pm
BUF
- SJO
2 stops18h 22m
American Airlines
Tue 5/263:08 pm
SJO
- BUF
2 stops19h 47m
American Airlines
Deal found 4/14![American Airlines logo]()
$355
This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Fri 6/52:00 pm
LIR
- BUF
1 stop16h 58m
JetBlue
Deal found 4/14![JetBlue logo]()
$420
One-way flights from Buffalo to Costa RicaSearch for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Justfly.com deal was found by Cheapflights users on 4/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
BUF
- SJO
1 stop7h 24m
JetBlue
Deal found 4/13![JetBlue logo]()
$137
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/17:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Deal found 4/15![American Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 4/13. 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 9/86:00 am
BUF
- SJO
1 stop7h 56m
Delta
Deal found 4/13![Delta logo]()
$143
This FlightHub deal was found by Cheapflights users on 4/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Deal found 4/12![JetBlue logo]()
$157
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/147:28 pm
BUF
- LIR
2 stops17h 56m
American Airlines
Deal found 4/15![American Airlines logo]()
$163
This American Airlines deal was found by Cheapflights users on 4/12. 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 5/137:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Deal found 4/12![American Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/15:55 pm
BUF
- SJO
1 stop20h 00m
United Airlines
Deal found 4/15![United Airlines logo]()
$170
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Deal found 4/14![JetBlue logo]()
$174
This eDestinos deal was found by Cheapflights users on 4/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:35 am
BUF
- SJO
2 stops22h 45m
Frontier
Deal found 4/13![Frontier logo]()
$203
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/145:55 pm
BUF
- LIR
2 stops20h 15m
United Airlines
Deal found 4/16![United Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 6/1810:34 am
BUF
- SJO
2 stops25h 37m
United Airlines
Deal found 4/17![United Airlines logo]()
$223
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:50 pm
BUF
- SJO
2 stops21h 32m
JetBlue
Deal found 4/14![JetBlue logo]()
$224
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (American Airlines) |
One-way from | $137 (Justfly.com) |
Popular in | December |
Cheapest in | November |
Average price | $590 |
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 April 17, 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
Cheapest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
5:40 pm-11:34 am
2 stops19h 54m
San José Juan Santamaria Intl
Wed 8/26
2:52 pm-10:41 am
2 stops17h 49m
$315
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 8/15
7:37 pm-12:26 pm
2 stops18h 49m
San José Juan Santamaria Intl
Sat 8/22
2:52 pm-10:41 am
2 stops17h 49m
$345
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Thu 5/14
7:28 pm-1:10 pm
2 stops19h 42m
Liberia
Thu 5/21
12:35 pm-9:31 am
2 stops18h 56m
$371
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 8/15
10:05 pm-8:20 am
1 stop12h 15m
San José Juan Santamaria Intl
Sat 8/22
9:35 am-9:20 pm
1 stop9h 45m
$378
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 7/11
7:35 pm-2:17 pm
2 stops20h 42m
San José Juan Santamaria Intl
Sat 7/18
3:19 pm-12:56 pm
2 stops19h 37m
$385
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 5/1
7:28 pm-11:07 am
2 stops17h 39m
San José Juan Santamaria Intl
Sat 5/9
11:35 pm-11:50 pm
2 stops22h 15m
$390
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 10/2
7:03 pm-11:53 am
2 stops18h 50m
Liberia
Mon 10/5
1:20 pm-9:49 am
2 stops18h 29m
$401
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 5/29
6:00 am-11:55 am
1 stop7h 55m
Liberia
Fri 6/5
2:00 pm-8:58 am
1 stop16h 58m
$420
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 7/11
10:05 pm-8:20 am
1 stop12h 15m
San José Juan Santamaria Intl
Sat 7/18
9:35 am-9:20 pm
1 stop9h 45m
$443
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 6/22
7:57 pm-11:49 am
2 stops17h 52m
San José Juan Santamaria Intl
Fri 6/26
1:14 pm-11:59 pm
1 stop8h 45m
$506
Showing 1-10 of 31 resultsSorted by cheapest first
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.
BUF-SJO
BUF-LIR
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
BUF-CR0
BUF-SJO
BUF-LIR
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 June is currently the most expensive (average of $466). 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 April 17, 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.
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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Alternative routes for Buffalo to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Buffalo and Costa Rica flights
Browse other Buffalo and Costa Rica flight options. Last updated on April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$494 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$554 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$555 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$634 | FlexibilityNo cancel fee | On-time63% |