$149+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
May 29 — Jun 51
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Costa Rica
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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 29, 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 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/26. 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 11/147:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
Thu 11/196:22 am
SJO
- BUF
1 stop8h 55m
American Airlines
Deal found 4/26![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 4/29. 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 4/29![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/28. 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
- SJO
2 stops17h 39m
American Airlines
Tue 5/192:31 pm
SJO
- BUF
2 stops18h 20m
American Airlines
Deal found 4/28![American Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 4/24. 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 4/245:32 pm
BUF
- SJO
2 stops21h 36m
American Airlines
Mon 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 4/24![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/27. 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 8/56:59 pm
BUF
- SJO
2 stops18h 35m
American Airlines
Sun 8/91:29 pm
SJO
- BUF
2 stops18h 49m
American Airlines
Deal found 4/27![American Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 4/27. 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 8/124:49 pm
BUF
- SJO
1 stop21h 37m
American Airlines
Tue 8/252:52 pm
SJO
- BUF
2 stops19h 46m
American Airlines
Deal found 4/27![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 4/25. 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 8/227:54 pm
BUF
- SJO
1 stop18h 32m
American Airlines
Mon 8/311:29 pm
SJO
- BUF
1 stop24h 30m
American Airlines
Deal found 4/25![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 11/149:55 am
BUF
- SJO
2 stops13h 20m
Delta
Thu 11/197:00 am
SJO
- BUF
2 stops15h 50m
Delta
Deal found 4/26![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/287:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Thu 6/43:08 pm
SJO
- BUF
2 stops17h 11m
American Airlines
Deal found 4/28![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/29. 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 8/186:14 am
BUF
- SJO
2 stops15h 38m
American Airlines
Fri 8/281:29 pm
SJO
- BUF
1 stop23h 21m
American Airlines
Deal found 4/29![American Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 4/27. 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
Wed 5/2711:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 4/27![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:55 pm
BUF
- LIR
2 stops21h 29m
American Airlines
Fri 5/152:40 pm
LIR
- BUF
2 stops18h 11m
American Airlines
Deal found 4/25![American Airlines logo]()
$419
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 29, 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 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/26. 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 4/26![American Airlines logo]()
$345
This BusinessClass deal was found by Cheapflights users on 4/25. 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.
Tue 7/217:34 pm
BUF
- SJO
2 stops19h 38m
GOL
Mon 8/32:12 pm
SJO
- BUF
2 stops20h 44m
GOL
Deal found 4/25![GOL logo]()
$421
This Delta deal was found by Cheapflights users on 4/27. 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.
Sun 5/106:15 am
BUF
- LIR
1 stop7h 45m
Delta
Sat 5/162:40 pm
LIR
- BUF
2 stops15h 40m
Delta
Deal found 4/27![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sun 5/246:03 pm
BUF
- SJO
2 stops18h 08m
United Airlines
Thu 5/287:55 am
SJO
- BUF
2 stops24h 20m
United Airlines
Deal found 4/24![United Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 7/227:57 pm
BUF
- SJO
1 stop14h 23m
Multiple Airlines
Fri 7/311:21 pm
SJO
- BUF
2 stops20h 12m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 4/24. 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 8/187:00 am
BUF
- SJO
1 stop8h 52m
American Airlines
Wed 8/262:52 pm
SJO
- BUF
2 stops17h 49m
American Airlines
Deal found 4/24![American Airlines logo]()
$446
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Mon 7/136:00 pm
BUF
- SJO
2 stops21h 00m
GOL
Thu 7/162:02 pm
SJO
- BUF
1 stop20h 49m
GOL
Deal found 4/29![GOL logo]()
$483
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/97:28 pm
BUF
- LIR
1 stop18h 00m
American Airlines
Tue 5/192:40 pm
LIR
- BUF
2 stops18h 11m
American Airlines
Deal found 4/29![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 4/28. 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 10/76:00 am
BUF
- SJO
1 stop7h 58m
Delta
Mon 10/121:23 pm
SJO
- BUF
1 stop8h 32m
Delta
Deal found 4/28![Delta logo]()
$513
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/277:00 am
BUF
- SJO
2 stops29h 11m
United Airlines
Sat 7/412:30 am
SJO
- BUF
2 stops18h 11m
United Airlines
Deal found 4/27![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/195:50 pm
BUF
- SJO
2 stops20h 31m
United Airlines
Mon 10/2610:28 pm
SJO
- BUF
1 stop14h 48m
United Airlines
Deal found 4/29![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/96:15 am
BUF
- LIR
1 stop7h 45m
Delta
Tue 5/191:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 4/29![Delta logo]()
$520
This American Airlines deal was found by Cheapflights users on 4/24. 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 8/225:00 pm
BUF
- LIR
2 stops20h 27m
American Airlines
Sat 8/292:45 pm
LIR
- BUF
2 stops17h 56m
American Airlines
Deal found 4/24![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/147:00 am
BUF
- LIR
2 stops31h 10m
United Airlines
Mon 5/183:27 pm
LIR
- BUF
2 stops16h 15m
United Airlines
Deal found 4/28![United Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 4/29. 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 7/216:00 am
BUF
- SJO
1 stop9h 00m
American Airlines
Mon 8/33:38 pm
SJO
- BUF
2 stops19h 28m
American Airlines
Deal found 4/29![American Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sun 5/105:55 pm
BUF
- LIR
2 stops20h 15m
United Airlines
Wed 5/131:20 pm
LIR
- BUF
2 stops18h 22m
United Airlines
Deal found 4/24![United Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 4/24. 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 8/187:00 am
BUF
- SJO
1 stop8h 52m
American Airlines
Fri 8/281:29 pm
SJO
- BUF
1 stop23h 21m
American Airlines
Deal found 4/24![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 4/25. 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 5/117:31 pm
BUF
- LIR
2 stops18h 29m
Delta
Fri 5/151:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 4/25![Delta logo]()
$606
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/245:52 pm
BUF
- LIR
2 stops17h 58m
United Airlines
Wed 7/13:27 pm
LIR
- BUF
2 stops16h 53m
United Airlines
Deal found 4/28![United Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 4/25. 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
- LIR
2 stops20h 12m
American Airlines
Tue 8/2512:35 pm
LIR
- BUF
2 stops20h 19m
American Airlines
Deal found 4/25![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/37:31 pm
BUF
- LIR
2 stops19h 47m
American Airlines
Sun 6/712:22 pm
LIR
- BUF
2 stops19h 07m
American Airlines
Deal found 4/26![American Airlines logo]()
$630
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated April 29, 2026 and is based on user searches.
This BusinessClass deal was found by Cheapflights users on 4/24. 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.
Fri 5/86:00 pm
BUF
- SJO
2 stops21h 26m
GOL
Sat 5/1612:31 pm
SJO
- BUF
2 stops19h 47m
GOL
Deal found 4/24![GOL logo]()
$426
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/97:28 pm
BUF
- LIR
1 stop18h 00m
American Airlines
Tue 5/192:40 pm
LIR
- BUF
2 stops18h 11m
American Airlines
Deal found 4/29![American Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/106:00 am
BUF
- LIR
1 stop7h 28m
American Airlines
Sat 5/1612:35 pm
LIR
- BUF
1 stop9h 15m
American Airlines
Deal found 4/27![American Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 4/27. 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.
Sun 5/106:15 am
BUF
- LIR
1 stop7h 45m
Delta
Sat 5/162:40 pm
LIR
- BUF
2 stops15h 40m
Delta
Deal found 4/27![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:55 pm
BUF
- LIR
2 stops21h 29m
American Airlines
Fri 5/152:40 pm
LIR
- BUF
2 stops18h 11m
American Airlines
Deal found 4/25![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/157:28 pm
BUF
- LIR
2 stops17h 56m
American Airlines
Mon 5/1812:30 pm
LIR
- BUF
2 stops22h 16m
American Airlines
Deal found 4/28![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 4/28. 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
- SJO
2 stops17h 39m
American Airlines
Tue 5/192:31 pm
SJO
- BUF
2 stops18h 20m
American Airlines
Deal found 4/28![American Airlines logo]()
$346
This Avianca deal was found by Cheapflights users on 4/27. 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.
Sat 5/167:55 pm
BUF
- SJO
2 stops14h 50m
Multiple Airlines
Sat 5/233:10 pm
SJO
- BUF
2 stops15h 48m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/27. 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
- SJO
2 stops17h 39m
American Airlines
Sat 5/2311:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 4/27![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 4/27. 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
Wed 5/2711:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 4/27![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/246:03 pm
BUF
- SJO
2 stops18h 08m
United Airlines
Thu 5/287:55 am
SJO
- BUF
2 stops24h 20m
United Airlines
Deal found 4/26![United Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/287:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Thu 6/411:59 pm
SJO
- BUF
1 stop20h 36m
American Airlines
Deal found 4/28![American Airlines logo]()
$349
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 29, 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 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/287:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Deal found 4/28![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/247:32 pm
BUF
- SJO
2 stops18h 17m
American Airlines
Deal found 4/28![American Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 4/28. 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.
Wed 6/247:57 pm
BUF
- SJO
1 stop14h 23m
Frontier
Deal found 4/28![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 4/28. 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 6/2710:05 pm
BUF
- SJO
1 stop12h 15m
Frontier
Deal found 4/28![Frontier logo]()
$178
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/237:32 pm
BUF
- SJO
2 stops18h 17m
American Airlines
Deal found 4/28![American Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/167:32 pm
BUF
- LIR
2 stops19h 46m
American Airlines
Deal found 4/29![American Airlines logo]()
$191
This Avianca deal was found by Cheapflights users on 4/28. 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.
Thu 5/288:00 pm
BUF
- SJO
2 stops14h 45m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 6/262:50 pm
BUF
- SJO
2 stops19h 30m
Frontier
Deal found 4/28![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 6/239:02 pm
BUF
- SJO
1 stop20h 09m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 6/289:02 pm
BUF
- SJO
1 stop20h 09m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/276:06 am
BUF
- SJO
2 stops31h 43m
American Airlines
Deal found 4/28![American Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/216:26 am
BUF
- LIR
2 stops10h 11m
American Airlines
Deal found 4/28![American Airlines logo]()
$241
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (American Airlines) |
One-way from | $149 (American Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $603 |
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 29, 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
Wed 8/12
6:59 pm-11:34 am
2 stops18h 35m
San José Juan Santamaria Intl
Tue 8/25
2:52 pm-12:06 pm
2 stops19h 14m
$345
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 7/21
7:34 pm-1:12 pm
2 stops19h 38m
San José Juan Santamaria Intl
Mon 8/3
2:12 pm-12:56 pm
2 stops20h 44m
$421
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
7:00 am-1:52 pm
1 stop8h 52m
San José Juan Santamaria Intl
Wed 8/26
2:52 pm-10:41 am
2 stops17h 49m
$446
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 5/9
7:28 pm-11:28 am
1 stop18h 00m
Liberia
Tue 5/19
2:40 pm-10:51 am
2 stops18h 11m
$448
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sun 5/10
6:15 am-12:00 pm
1 stop7h 45m
Liberia
Sat 5/16
2:40 pm-8:20 am
2 stops15h 40m
$449
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sun 5/24
6:03 pm-10:11 am
2 stops18h 08m
San José Juan Santamaria Intl
Thu 5/28
7:55 am-10:15 am
2 stops24h 20m
$483
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 7/13
6:00 pm-1:00 pm
2 stops21h 00m
San José Juan Santamaria Intl
Thu 7/16
2:02 pm-12:51 pm
1 stop20h 49m
$483
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 8/22
5:00 pm-11:27 am
2 stops20h 27m
Liberia
Sat 8/29
2:45 pm-10:41 am
2 stops17h 56m
$486
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 7/21
6:00 am-1:00 pm
1 stop9h 00m
San José Juan Santamaria Intl
Mon 8/3
3:38 pm-1:06 pm
2 stops19h 28m
$495
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
7:00 am-1:52 pm
1 stop8h 52m
San José Juan Santamaria Intl
Fri 8/28
1:29 pm-2:50 pm
1 stop23h 21m
$498
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 $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 29, 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
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
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.
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 April 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$501 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$539 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$570 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$634 | FlexibilityNo cancel fee | On-time63% |