$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
mai 15 — mai 221
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Costa Rica with Cheapflights
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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 avril 15, 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 avril 15, 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.
mer. 11/47:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
mer. 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.
mer. 8/126:59 pm
BUF
- SJO
2 stops18h 35m
American Airlines
mar. 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.
ven. 4/247:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
lun. 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.
sam. 6/2010:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
sam. 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 4/10. 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.
lun. 5/257:31 pm
BUF
- LIR
2 stops19h 47m
American Airlines
lun. 6/12:45 pm
LIR
- BUF
2 stops19h 34m
American Airlines
Deal found 4/10![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.
mer. 5/207:28 pm
BUF
- SJO
2 stops18h 22m
American Airlines
mar. 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.
jeu. 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
jeu. 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.
mer. 6/246:25 am
BUF
- SJO
2 stops32h 44m
American Airlines
lun. 6/292:09 pm
SJO
- BUF
2 stops26h 32m
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.
mer. 6/246:25 am
BUF
- SJO
2 stops32h 44m
American Airlines
dim. 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.
mar. 8/47:34 pm
BUF
- SJO
2 stops18h 00m
American Airlines
mar. 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.
mar. 5/56:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
lun. 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.
sam. 7/117:35 pm
BUF
- SJO
2 stops20h 42m
GOL
sam. 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 avril 15, 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 avril 15, 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.
mar. 8/185:40 pm
BUF
- SJO
2 stops19h 54m
American Airlines
mer. 8/262:52 pm
SJO
- BUF
2 stops17h 49m
American Airlines
Deal found 4/15![American Airlines logo]()
$315
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.
sam. 7/117:35 pm
BUF
- SJO
2 stops20h 42m
GOL
sam. 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.
ven. 10/27:03 pm
BUF
- LIR
2 stops18h 50m
United Airlines
lun. 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.
ven. 5/296:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
ven. 6/52:00 pm
LIR
- BUF
1 stop16h 58m
JetBlue
Deal found 4/14![JetBlue logo]()
$420
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.
sam. 7/1110:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
sam. 7/189:35 am
SJO
- BUF
1 stop9h 45m
Frontier
Deal found 4/15![Frontier logo]()
$443
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/149:02 pm
BUF
- SJO
1 stop20h 09m
Multiple Airlines
mer. 6/177:07 am
SJO
- BUF
1 stop10h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$452
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.
lun. 6/227:57 pm
BUF
- SJO
2 stops17h 52m
Delta
ven. 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 4/10. 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.
lun. 5/117:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
ven. 5/1512:28 pm
LIR
- BUF
2 stops20h 23m
American Airlines
Deal found 4/10![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/10. 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.
lun. 5/257:31 pm
BUF
- LIR
2 stops19h 47m
American Airlines
ven. 5/292:45 pm
LIR
- BUF
2 stops20h 10m
American Airlines
Deal found 4/10![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.
jeu. 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
jeu. 5/2112:35 pm
LIR
- BUF
2 stops18h 56m
American Airlines
Deal found 4/14![American Airlines logo]()
$371
This Priceline deal was found by Cheapflights users on 4/10. 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.
lun. 5/256:05 am
BUF
- LIR
1 stop8h 35m
JetBlue
lun. 6/12:00 pm
LIR
- BUF
1 stop16h 58m
JetBlue
Deal found 4/10![JetBlue logo]()
$457
This FlightHub deal was found by Cheapflights users on 4/10. 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.
lun. 5/256:05 am
BUF
- LIR
1 stop8h 35m
JetBlue
ven. 5/292:00 pm
LIR
- BUF
1 stop16h 58m
JetBlue
Deal found 4/10![JetBlue logo]()
$457
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.
mer. 5/66:00 am
BUF
- LIR
1 stop8h 00m
Delta
dim. 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.
sam. 9/2610:50 am
BUF
- SJO
2 stops27h 36m
United Airlines
mar. 9/291:30 pm
SJO
- BUF
2 stops18h 19m
United Airlines
Deal found 4/12![United Airlines logo]()
$514
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/183:52 pm
BUF
- SJO
2 stops21h 38m
Multiple Airlines
mar. 8/2512:40 pm
SJO
- BUF
3 stops24h 17m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 4/10. 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.
sam. 7/46:00 am
BUF
- LIR
1 stop9h 08m
American Airlines
lun. 7/2012:35 pm
LIR
- BUF
2 stops20h 05m
American Airlines
Deal found 4/10![American Airlines logo]()
$401
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.
lun. 10/56:00 am
BUF
- SJO
1 stop7h 54m
Delta
ven. 10/91:23 pm
SJO
- BUF
1 stop8h 32m
Delta
Deal found 4/13![Delta logo]()
$513
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/188:02 pm
BUF
- SJO
3 stops17h 43m
Multiple Airlines
mer. 8/267:45 pm
SJO
- BUF
2 stops17h 12m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$526
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.
mer. 5/65:50 pm
BUF
- SJO
2 stops20h 31m
United Airlines
dim. 5/107:55 am
SJO
- BUF
2 stops23h 45m
United Airlines
Deal found 4/13![United Airlines logo]()
$534
This FlightHub deal was found by Cheapflights users on 4/10. 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.
lun. 5/116:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
ven. 5/152:00 pm
LIR
- BUF
1 stop29h 27m
JetBlue
Deal found 4/10![JetBlue logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/10. 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.
lun. 5/256:25 am
BUF
- LIR
1 stop7h 10m
American Airlines
lun. 6/12:45 pm
LIR
- BUF
2 stops20h 10m
American Airlines
Deal found 4/10![American Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 4/10. 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.
mar. 6/27:00 am
BUF
- SJO
2 stops41h 39m
United Airlines
mar. 6/3012:30 am
SJO
- BUF
2 stops31h 21m
United Airlines
Deal found 4/10![United Airlines logo]()
$551
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated avril 15, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated avril 15, 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.
ven. 4/176:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
ven. 4/2412:44 pm
SJO
- BUF
1 stop8h 49m
United Airlines
Deal found 4/12![United Airlines 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.
sam. 4/187:28 pm
BUF
- SJO
1 stop17h 57m
American Airlines
lun. 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.
ven. 4/247:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
lun. 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 4/14![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 4/11. 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.
ven. 4/247:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
lun. 4/272:08 pm
SJO
- BUF
2 stops18h 43m
American Airlines
Deal found 4/11![American Airlines logo]()
$399
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.
mar. 5/56:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
lun. 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.
mar. 5/126:59 pm
BUF
- SJO
2 stops20h 05m
American Airlines
mar. 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.
jeu. 5/147:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
jeu. 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.
jeu. 5/147:28 pm
BUF
- SJO
2 stops17h 39m
GOL
jeu. 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 4/14. 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.
mer. 5/207:28 pm
BUF
- SJO
2 stops18h 22m
American Airlines
mar. 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 4/10. 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.
lun. 5/257:31 pm
BUF
- LIR
2 stops19h 47m
American Airlines
lun. 6/12:45 pm
LIR
- BUF
2 stops19h 34m
American Airlines
Deal found 4/10![American Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/267:52 pm
BUF
- SJO
1 stop21h 26m
Multiple Airlines
mar. 6/27:07 am
SJO
- BUF
1 stop9h 52m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$419
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.
ven. 5/296:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
ven. 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 avril 15, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated avril 15, 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.
mar. 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 4/10. 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.
mer. 5/137:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Deal found 4/10![American Airlines logo]()
$142
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.
mer. 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.
jeu. 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.
mer. 5/137:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Deal found 4/12![American Airlines logo]()
$168
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.
mar. 6/166:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Deal found 4/14![JetBlue logo]()
$174
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.
jeu. 6/186:25 am
BUF
- SJO
1 stop8h 34m
American Airlines
Deal found 4/12![American Airlines logo]()
$202
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.
jeu. 6/1811:35 am
BUF
- SJO
2 stops22h 45m
Frontier
Deal found 4/13![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/132:49 pm
BUF
- SJO
3 stops22h 56m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$207
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.
sam. 6/133:50 pm
BUF
- SJO
2 stops21h 32m
JetBlue
Deal found 4/14![JetBlue logo]()
$224
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/1310:05 pm
BUF
- SJO
1 stop19h 06m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$232
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.
mar. 6/165:52 pm
BUF
- LIR
2 stops17h 58m
United Airlines
Deal found 4/13![United Airlines logo]()
$242
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 avril 15, 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 avril 15, 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
mar. 8/18
5:40 pm-11:34 am
2 stops19h 54m
San José Juan Santamaria Intl
mer. 8/26
2:52 pm-10:41 am
2 stops17h 49m
$315
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
lun. 5/11
7:28 pm-1:10 pm
2 stops19h 42m
Liberia
ven. 5/15
12:28 pm-10:51 am
2 stops20h 23m
$351
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
lun. 5/25
7:31 pm-1:18 pm
2 stops19h 47m
Liberia
ven. 5/29
2:45 pm-12:55 pm
2 stops20h 10m
$351
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
jeu. 5/14
7:28 pm-1:10 pm
2 stops19h 42m
Liberia
jeu. 5/21
12:35 pm-9:31 am
2 stops18h 56m
$371
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
sam. 7/11
7:35 pm-2:17 pm
2 stops20h 42m
San José Juan Santamaria Intl
sam. 7/18
3:19 pm-12:56 pm
2 stops19h 37m
$385
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
ven. 10/2
7:03 pm-11:53 am
2 stops18h 50m
Liberia
lun. 10/5
1:20 pm-9:49 am
2 stops18h 29m
$401
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
sam. 7/4
6:00 am-1:08 pm
1 stop9h 08m
Liberia
lun. 7/20
12:35 pm-10:40 am
2 stops20h 05m
$401
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
ven. 5/29
6:00 am-11:55 am
1 stop7h 55m
Liberia
ven. 6/5
2:00 pm-8:58 am
1 stop16h 58m
$420
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
lun. 5/25
6:25 am-11:35 am
1 stop7h 10m
Liberia
lun. 6/1
2:45 pm-12:55 pm
2 stops20h 10m
$442
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
sam. 7/11
10:05 pm-8:20 am
1 stop12h 15m
San José Juan Santamaria Intl
sam. 7/18
9:35 am-9:20 pm
1 stop9h 45m
$443
Showing 1-10 of 36 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 $180). Flying from Buffalo to Costa Rica in May is currently the most expensive (average of $362). 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 avril 15, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
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.
Search flights from Buffalo to Costa Rica by cabin class
Find flights from Buffalo to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Costa Rica flights
Browse other Buffalo and Costa Rica flight options. Last updated on avril 15, 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 avril 15, 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% |