$103+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Mar 30 — Apr 61
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 February 28, 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 February 28, 2026.
This American Airlines deal was found by Cheapflights users on 2/24. 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 5/27:28 pm
BUF
- SJO
1 stop17h 57m
American Airlines
Tue 5/1212:35 pm
SJO
- BUF
1 stop8h 05m
American Airlines
Deal found 2/24![American Airlines logo]()
$248
This American Airlines deal was found by Cheapflights users on 2/25. 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 5/167:28 pm
BUF
- LIR
1 stop18h 00m
American Airlines
Sat 5/232:18 pm
LIR
- BUF
1 stop17h 11m
American Airlines
Deal found 2/25![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Fri 4/247:28 pm
BUF
- LIR
2 stops17h 53m
American Airlines
Mon 4/272:10 pm
LIR
- BUF
2 stops18h 41m
American Airlines
Deal found 2/25![American Airlines logo]()
$325
This BusinessClass deal was found by Cheapflights users on 2/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:32 am
BUF
- SJO
2 stops12h 30m
LATAM Airlines
Fri 3/62:25 pm
SJO
- BUF
2 stops21h 11m
LATAM Airlines
Deal found 2/26![LATAM Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/28. 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 10/103:31 pm
BUF
- LIR
2 stops21h 34m
American Airlines
Sun 10/182:00 pm
LIR
- BUF
2 stops18h 41m
American Airlines
Deal found 2/28![American Airlines logo]()
$346
This KAYAK deal was found by Cheapflights users on 2/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:31 pm
BUF
- SJO
2 stops18h 19m
GOL
Wed 5/272:08 pm
SJO
- BUF
2 stops20h 47m
GOL
Deal found 2/24![GOL logo]()
$347
This KAYAK deal was found by Cheapflights users on 2/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:40 pm
BUF
- SJO
2 stops19h 34m
GOL
Tue 3/242:59 pm
SJO
- BUF
2 stops19h 52m
GOL
Deal found 2/27![GOL logo]()
$352
This BusinessClass deal was found by Cheapflights users on 2/24. 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.
Tue 3/316:39 pm
BUF
- SJO
2 stops18h 47m
GOL
Tue 4/76:00 am
SJO
- BUF
1 stop13h 36m
GOL
Deal found 2/24![GOL logo]()
$354
This Delta deal was found by Cheapflights users on 2/25. 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.
Fri 3/65:44 pm
BUF
- LIR
1 stop18h 31m
Delta
Wed 3/111:05 pm
LIR
- BUF
1 stop8h 41m
Delta
Deal found 2/25![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/28. 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 3/312:31 pm
BUF
- SJO
1 stop8h 41m
American Airlines
Thu 3/51:46 pm
SJO
- BUF
1 stop9h 04m
American Airlines
Deal found 2/28![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 3/47:00 am
BUF
- LIR
2 stops12h 37m
United Airlines
Tue 3/107:35 am
LIR
- BUF
2 stops14h 21m
United Airlines
Deal found 2/24![United Airlines logo]()
$370
This Avianca deal was found by Cheapflights users on 2/27. 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.
Thu 10/17:59 pm
BUF
- SJO
2 stops14h 46m
Multiple Airlines
Sat 10/107:45 pm
SJO
- BUF
2 stops14h 12m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$379
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 February 28, 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 February 28, 2026.
This American Airlines deal was found by Cheapflights users on 2/25. 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 5/167:28 pm
BUF
- LIR
1 stop18h 00m
American Airlines
Sat 5/232:18 pm
LIR
- BUF
1 stop17h 11m
American Airlines
Deal found 2/25![American Airlines logo]()
$308
This KAYAK deal was found by Cheapflights users on 2/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:31 pm
BUF
- LIR
2 stops19h 48m
GOL
Sat 5/302:18 pm
LIR
- BUF
1 stop30h 13m
GOL
Deal found 2/25![GOL logo]()
$418
This JetBlue deal was found by Cheapflights users on 2/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:20 am
BUF
- SJO
1 stop6h 35m
JetBlue
Wed 5/612:40 pm
SJO
- BUF
1 stop8h 08m
JetBlue
Deal found 2/27![JetBlue logo]()
$433
This Delta deal was found by Cheapflights users on 2/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:23 am
BUF
- SJO
2 stops12h 52m
Delta
Wed 3/257:00 am
SJO
- BUF
2 stops14h 13m
Delta
Deal found 2/24![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:30 pm
BUF
- SJO
2 stops26h 09m
United Airlines
Tue 3/175:30 am
SJO
- BUF
2 stops16h 26m
United Airlines
Deal found 2/25![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Mon 3/167:30 pm
BUF
- SJO
2 stops18h 12m
United Airlines
Wed 3/181:20 pm
SJO
- BUF
2 stops18h 30m
United Airlines
Deal found 2/26![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 6/175:52 pm
BUF
- SJO
2 stops18h 19m
United Airlines
Sat 6/2012:30 am
SJO
- BUF
2 stops18h 33m
United Airlines
Deal found 2/24![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 2/27. 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.
Wed 3/1810:23 am
BUF
- SJO
2 stops12h 52m
Delta
Tue 3/311:20 pm
SJO
- BUF
1 stop8h 26m
Delta
Deal found 2/27![Delta logo]()
$557
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 3/316:34 am
BUF
- LIR
1 stop8h 53m
American Airlines
Sun 4/512:30 pm
LIR
- BUF
2 stops20h 28m
American Airlines
Deal found 2/27![American Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Mon 3/165:29 pm
BUF
- LIR
2 stops26h 08m
United Airlines
Tue 3/241:20 pm
LIR
- BUF
2 stops29h 26m
United Airlines
Deal found 2/26![United Airlines logo]()
$546
This KAYAK deal was found by Cheapflights users on 2/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Sun 4/53:20 pm
LIR
- BUF
1 stop26h 40m
JetBlue
Deal found 2/27![JetBlue logo]()
$696
This Delta deal was found by Cheapflights users on 2/25. 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 3/166:00 am
BUF
- SJO
1 stop17h 15m
Delta
Wed 3/187:00 am
SJO
- BUF
1 stop14h 46m
Delta
Deal found 2/25![Delta logo]()
$639
This United Airlines deal was found by Cheapflights users on 2/26. 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 3/156:51 am
BUF
- LIR
1 stop31h 04m
United Airlines
Tue 3/241:20 pm
LIR
- BUF
2 stops29h 26m
United Airlines
Deal found 2/26![United Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 2/25. 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 3/166:00 am
BUF
- SJO
1 stop17h 15m
Delta
Tue 3/247:00 am
SJO
- BUF
2 stops15h 14m
Delta
Deal found 2/25![Delta logo]()
$644
This American Airlines deal was found by Cheapflights users on 2/27. 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 3/297:40 pm
BUF
- LIR
2 stops19h 38m
American Airlines
Fri 4/32:29 pm
LIR
- BUF
2 stops18h 57m
American Airlines
Deal found 2/27![American Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:45 pm
BUF
- SJO
2 stops16h 26m
United Airlines
Mon 4/61:25 pm
SJO
- BUF
2 stops18h 45m
United Airlines
Deal found 2/25![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Tue 3/176:00 am
BUF
- LIR
2 stops13h 37m
United Airlines
Mon 3/231:20 pm
LIR
- BUF
2 stops25h 22m
United Airlines
Deal found 2/26![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Mon 3/165:29 pm
BUF
- LIR
2 stops26h 08m
United Airlines
Thu 3/197:35 am
LIR
- BUF
2 stops31h 07m
United Airlines
Deal found 2/26![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 3/315:55 pm
BUF
- LIR
2 stops20h 15m
United Airlines
Sun 4/53:27 pm
LIR
- BUF
2 stops27h 16m
United Airlines
Deal found 2/24![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/297:00 am
BUF
- LIR
2 stops31h 10m
United Airlines
Fri 4/33:27 pm
LIR
- BUF
2 stops27h 22m
United Airlines
Deal found 2/24![United Airlines logo]()
$782
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated February 28, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated February 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/25. 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 3/27:41 pm
BUF
- LIR
2 stops18h 09m
Delta
Wed 3/112:05 pm
LIR
- BUF
2 stops17h 45m
Delta
Deal found 2/25![Delta logo]()
$392
This American Airlines deal was found by Cheapflights users on 2/28. 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 3/312:31 pm
BUF
- SJO
1 stop8h 41m
American Airlines
Thu 3/51:46 pm
SJO
- BUF
1 stop9h 04m
American Airlines
Deal found 2/28![American Airlines logo]()
$369
This Ovago deal was found by Cheapflights users on 2/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:39 pm
BUF
- SJO
2 stops18h 52m
GOL
Thu 3/51:46 pm
SJO
- BUF
2 stops20h 57m
GOL
Deal found 2/27![GOL logo]()
$390
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 3/47:00 am
BUF
- LIR
2 stops12h 37m
United Airlines
Tue 3/107:35 am
LIR
- BUF
2 stops14h 21m
United Airlines
Deal found 2/24![United Airlines logo]()
$370
This JetBlue deal was found by Cheapflights users on 2/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Fri 3/62:00 pm
LIR
- BUF
1 stop8h 38m
JetBlue
Deal found 2/25![JetBlue logo]()
$414
This BusinessClass deal was found by Cheapflights users on 2/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:32 am
BUF
- SJO
2 stops12h 30m
LATAM Airlines
Fri 3/62:25 pm
SJO
- BUF
2 stops21h 11m
LATAM Airlines
Deal found 2/26![LATAM Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Thu 3/56:05 am
BUF
- LIR
1 stop8h 27m
American Airlines
Mon 3/91:32 pm
LIR
- BUF
1 stop20h 17m
American Airlines
Deal found 2/25![American Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 2/25. 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.
Fri 3/65:44 pm
BUF
- LIR
1 stop18h 31m
Delta
Wed 3/111:05 pm
LIR
- BUF
1 stop8h 41m
Delta
Deal found 2/25![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 2/25. 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.
Fri 3/65:44 pm
BUF
- LIR
1 stop18h 31m
Delta
Tue 3/101:45 pm
LIR
- BUF
2 stops19h 59m
Delta
Deal found 2/25![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 2/26. 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.
Sun 3/156:15 am
BUF
- SJO
2 stops17h 00m
Delta
Tue 3/171:20 pm
SJO
- BUF
2 stops19h 37m
Delta
Deal found 2/26![Delta logo]()
$409
This KAYAK deal was found by Cheapflights users on 2/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:40 pm
BUF
- SJO
2 stops19h 34m
GOL
Tue 3/242:59 pm
SJO
- BUF
2 stops19h 52m
GOL
Deal found 2/27![GOL logo]()
$352
This BusinessClass deal was found by Cheapflights users on 2/24. 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.
Tue 3/316:39 pm
BUF
- SJO
2 stops18h 47m
GOL
Tue 4/76:00 am
SJO
- BUF
1 stop13h 36m
GOL
Deal found 2/24![GOL logo]()
$354
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 February 28, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 28, 2026.
This American Airlines deal was found by Cheapflights users on 2/25. 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 4/257:28 pm
BUF
- SJO
1 stop17h 57m
American Airlines
Deal found 2/25![American Airlines logo]()
$103
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 4/146:00 am
BUF
- SJO
1 stop7h 35m
American Airlines
Deal found 2/27![American Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 2/27. 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.
Wed 3/1810:23 am
BUF
- SJO
2 stops12h 52m
Delta
Deal found 2/27![Delta logo]()
$143
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Thu 4/96:00 pm
BUF
- LIR
2 stops19h 24m
American Airlines
Deal found 2/24![American Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/307:40 pm
BUF
- LIR
2 stops19h 47m
American Airlines
Deal found 2/25![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 8/24:42 pm
BUF
- LIR
1 stop22h 57m
American Airlines
Deal found 2/24![American Airlines logo]()
$191
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 4/157:28 pm
BUF
- SJO
1 stop17h 57m
American Airlines
Deal found 2/24![American Airlines logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Sat 8/16:00 am
BUF
- SJO
2 stops30h 11m
United Airlines
Deal found 2/24![United Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Tue 4/141:56 pm
BUF
- SJO
3 stops30h 54m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$203
This BusinessClass deal was found by Cheapflights users on 2/25. 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.
Wed 4/12:54 pm
BUF
- LIR
2 stops23h 16m
Avianca
Deal found 2/25![Avianca logo]()
$206
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Sat 8/16:00 am
BUF
- LIR
2 stops30h 00m
United Airlines
Deal found 2/24![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:56 pm
BUF
- SJO
3 stops30h 54m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$221
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 February 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (American Airlines) |
One-way from | $103 (American Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $563 |
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 February 28, 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
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 5/16
7:28 pm-11:28 am
1 stop18h 00m
Liberia
Sat 5/23
2:18 pm-9:29 am
1 stop17h 11m
$308
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Mon 5/25
7:31 pm-1:19 pm
2 stops19h 48m
Liberia
Sat 5/30
2:18 pm-10:31 pm
1 stop30h 13m
$418
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 5/5
7:20 am-11:55 am
1 stop6h 35m
San José Juan Santamaria Intl
Wed 5/6
12:40 pm-10:48 pm
1 stop8h 08m
$433
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/18
10:23 am-9:15 pm
2 stops12h 52m
San José Juan Santamaria Intl
Wed 3/25
7:00 am-11:13 pm
2 stops14h 13m
$480
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/11
7:30 pm-7:39 pm
2 stops26h 09m
San José Juan Santamaria Intl
Tue 3/17
5:30 am-11:56 pm
2 stops16h 26m
$483
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 3/16
7:30 pm-11:42 am
2 stops18h 12m
San José Juan Santamaria Intl
Wed 3/18
1:20 pm-9:50 am
2 stops18h 30m
$490
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 6/17
5:52 pm-10:11 am
2 stops18h 19m
San José Juan Santamaria Intl
Sat 6/20
12:30 am-9:03 pm
2 stops18h 33m
$506
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Mon 3/16
5:29 pm-5:37 pm
2 stops26h 08m
Liberia
Tue 3/24
1:20 pm-8:46 pm
2 stops29h 26m
$546
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sun 3/15
6:51 am-11:55 am
1 stop31h 04m
Liberia
Tue 3/24
1:20 pm-8:46 pm
2 stops29h 26m
$553
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/18
10:23 am-9:15 pm
2 stops12h 52m
San José Juan Santamaria Intl
Tue 3/31
1:20 pm-11:46 pm
1 stop8h 26m
$557
Showing 1-10 of 37 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 $182). Flying from Buffalo to Costa Rica in May is currently the most expensive (average of $369). 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 February 28, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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 February 28, 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 February 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$505 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$559 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$573 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$575 | FlexibilityNo cancel fee | On-time63% |