$163+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jul 1 — Jul 81
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 June 1, 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 June 1, 2026.
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 12/27:20 pm
BUF
- LIR
2 stops20h 25m
American Airlines
Wed 12/93:28 pm
LIR
- BUF
2 stops19h 45m
American Airlines
Deal found 5/29![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 5/30. 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 8/187:34 pm
BUF
- SJO
2 stops18h 29m
American Airlines
Wed 8/261:03 pm
SJO
- BUF
2 stops19h 38m
American Airlines
Deal found 5/30![American Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 11/257:12 pm
BUF
- LIR
2 stops20h 01m
American Airlines
Sun 12/61:25 pm
LIR
- BUF
2 stops20h 38m
American Airlines
Deal found 5/29![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 5/31. 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 12/26:00 am
BUF
- SJO
1 stop9h 02m
American Airlines
Wed 12/96:20 am
SJO
- BUF
1 stop15h 17m
American Airlines
Deal found 5/31![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 5/28. 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 9/27:34 pm
BUF
- SJO
2 stops18h 29m
American Airlines
Mon 9/72:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 5/28![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 am
BUF
- SJO
2 stops10h 52m
American Airlines
Tue 8/251:03 pm
SJO
- BUF
2 stops21h 03m
American Airlines
Deal found 5/30![American Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:55 am
BUF
- SJO
2 stops11h 45m
Southwest
Wed 8/269:00 am
SJO
- BUF
1 stop10h 40m
Southwest
Deal found 5/31![Southwest logo]()
$464
This KAYAK deal was found by Cheapflights users on 5/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:43 am
BUF
- SJO
2 stops11h 10m
GOL
Mon 8/311:03 pm
SJO
- BUF
2 stops21h 03m
GOL
Deal found 5/28![GOL logo]()
$469
This American Airlines deal was found by Cheapflights users on 5/29. 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 11/1410:09 am
BUF
- SJO
2 stops13h 50m
American Airlines
Sun 11/226:22 am
SJO
- BUF
1 stop15h 19m
American Airlines
Deal found 5/29![American Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/268:06 am
BUF
- LIR
2 stops29h 29m
American Airlines
Sat 7/42:15 pm
LIR
- BUF
1 stop23h 37m
American Airlines
Deal found 5/29![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 7/14:57 pm
BUF
- LIR
2 stops22h 45m
American Airlines
Sat 7/42:15 pm
LIR
- BUF
1 stop23h 37m
American Airlines
Deal found 5/29![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 5/26. 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 10/277:30 pm
BUF
- SJO
2 stops16h 55m
United Airlines
Thu 10/291:20 pm
SJO
- BUF
2 stops29h 11m
United Airlines
Deal found 5/26![United Airlines logo]()
$495
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 June 1, 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 June 1, 2026.
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:55 am
BUF
- SJO
2 stops11h 45m
Southwest
Wed 8/269:00 am
SJO
- BUF
1 stop10h 40m
Southwest
Deal found 5/31![Southwest logo]()
$464
This United Airlines deal was found by Cheapflights users on 5/26. 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 10/277:30 pm
BUF
- SJO
2 stops16h 55m
United Airlines
Thu 10/291:20 pm
SJO
- BUF
2 stops29h 11m
United Airlines
Deal found 5/26![United Airlines logo]()
$495
This Orbitz deal was found by Cheapflights users on 5/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:02 pm
BUF
- SJO
3 stops17h 43m
Multiple Airlines
Sun 9/612:40 pm
SJO
- BUF
3 stops28h 33m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 5/28. 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.
Mon 8/246:00 am
BUF
- SJO
1 stop7h 49m
Delta
Mon 8/311:14 pm
SJO
- BUF
1 stop8h 45m
Delta
Deal found 5/28![Delta logo]()
$531
This KAYAK deal was found by Cheapflights users on 5/31. 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 8/127:55 pm
BUF
- LIR
1 stop19h 06m
JetBlue
Tue 8/252:06 pm
LIR
- BUF
1 stop26h 52m
JetBlue
Deal found 5/31![JetBlue logo]()
$633
This American Airlines deal was found by Cheapflights users on 5/27. 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 7/117:36 pm
BUF
- LIR
2 stops19h 39m
American Airlines
Sat 7/182:27 pm
LIR
- BUF
1 stop17h 10m
American Airlines
Deal found 5/27![American Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 5/30. 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 11/36:00 am
BUF
- SJO
2 stops30h 25m
United Airlines
Thu 11/52:20 pm
SJO
- BUF
2 stops18h 29m
United Airlines
Deal found 5/30![United Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/267:00 am
BUF
- LIR
1 stop30h 53m
United Airlines
Sat 7/41:03 pm
LIR
- BUF
1 stop18h 57m
United Airlines
Deal found 5/29![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 5/27. 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 8/126:59 pm
BUF
- LIR
2 stops18h 28m
American Airlines
Tue 8/2512:35 pm
LIR
- BUF
2 stops19h 04m
American Airlines
Deal found 5/27![American Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/2710:57 am
BUF
- LIR
2 stops24h 53m
United Airlines
Sat 7/41:03 pm
LIR
- BUF
1 stop18h 57m
United Airlines
Deal found 5/29![United Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/157:34 pm
BUF
- LIR
2 stops17h 53m
American Airlines
Sat 8/2212:04 pm
LIR
- BUF
2 stops19h 35m
American Airlines
Deal found 5/28![American Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/277:00 am
BUF
- LIR
2 stops28h 50m
United Airlines
Tue 7/711:10 am
LIR
- BUF
2 stops20h 50m
United Airlines
Deal found 5/29![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/277:00 am
BUF
- LIR
2 stops28h 50m
United Airlines
Mon 7/611:10 am
LIR
- BUF
2 stops20h 50m
United Airlines
Deal found 5/29![United Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 6/3010:57 am
BUF
- LIR
2 stops25h 47m
United Airlines
Mon 7/611:10 am
LIR
- BUF
2 stops20h 50m
United Airlines
Deal found 5/29![United Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Wed 11/2510:50 am
BUF
- SJO
2 stops25h 35m
United Airlines
Sun 12/68:45 am
SJO
- BUF
2 stops24h 04m
United Airlines
Deal found 5/29![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Sat 7/1110:57 am
BUF
- LIR
2 stops24h 53m
United Airlines
Sat 7/1811:10 am
LIR
- BUF
2 stops20h 50m
United Airlines
Deal found 5/28![United Airlines logo]()
$625
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 1, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 1, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 5/30. 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 6/163:00 pm
BUF
- SJO
2 stops21h 11m
Copa Airlines
Sat 6/277:55 am
SJO
- BUF
2 stops24h 05m
Copa Airlines
Deal found 5/30![Copa Airlines logo]()
$517
This Orbitz deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:35 am
BUF
- SJO
1 stop29h 47m
JetBlue
Sat 6/271:50 pm
SJO
- BUF
1 stop16h 10m
JetBlue
Deal found 5/30![JetBlue logo]()
$554
This Expedia deal was found by Cheapflights users on 5/30. 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.
Wed 6/177:57 pm
BUF
- SJO
1 stop14h 23m
Multiple Airlines
Sat 6/271:50 pm
SJO
- BUF
1 stop16h 10m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/173:00 pm
BUF
- SJO
2 stops33h 39m
United Airlines
Sat 6/277:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 5/30![United Airlines logo]()
$547
This KAYAK deal was found by Cheapflights users on 5/27. 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.
Sat 6/2011:00 am
BUF
- SJO
1 stop26h 22m
JetBlue
Thu 6/251:50 pm
SJO
- BUF
1 stop16h 10m
JetBlue
Deal found 5/27![JetBlue logo]()
$582
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/268:06 am
BUF
- LIR
2 stops29h 29m
American Airlines
Sat 7/42:15 pm
LIR
- BUF
1 stop23h 37m
American Airlines
Deal found 5/29![American Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/267:00 am
BUF
- LIR
1 stop30h 53m
United Airlines
Sat 7/41:03 pm
LIR
- BUF
1 stop18h 57m
United Airlines
Deal found 5/29![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/267:00 am
BUF
- LIR
1 stop30h 53m
United Airlines
Fri 7/34:30 pm
LIR
- BUF
2 stops22h 11m
United Airlines
Deal found 5/29![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 6/2610:57 am
BUF
- LIR
1 stop26h 56m
United Airlines
Mon 7/611:10 am
LIR
- BUF
2 stops24h 03m
United Airlines
Deal found 5/29![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/2710:57 am
BUF
- LIR
2 stops24h 53m
United Airlines
Sat 7/41:03 pm
LIR
- BUF
1 stop18h 57m
United Airlines
Deal found 5/29![United Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 5/29. 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 6/274:47 pm
BUF
- LIR
2 stops22h 31m
American Airlines
Sat 7/42:15 pm
LIR
- BUF
2 stops17h 22m
American Airlines
Deal found 5/29![American Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/2710:57 am
BUF
- LIR
2 stops24h 53m
United Airlines
Fri 7/34:30 pm
LIR
- BUF
2 stops22h 11m
United Airlines
Deal found 5/29![United Airlines logo]()
$610
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 June 1, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
This American Airlines deal was found by Cheapflights users on 5/28. 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 6/167:32 pm
BUF
- LIR
2 stops19h 46m
American Airlines
Deal found 5/28![American Airlines logo]()
$163
This American Airlines deal was found by Cheapflights users on 5/31. 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 8/166:09 pm
BUF
- LIR
2 stops19h 18m
American Airlines
Deal found 5/31![American Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:04 pm
BUF
- SJO
1 stop19h 51m
United Airlines
Deal found 5/31![United Airlines logo]()
$176
This Avianca deal was found by Cheapflights users on 5/28. 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.
Mon 11/98:00 pm
BUF
- SJO
2 stops16h 25m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 5/31. 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 8/610:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Deal found 5/31![United Airlines logo]()
$229
This KAYAK deal was found by Cheapflights users on 5/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:03 pm
BUF
- SJO
1 stop22h 07m
GOL
Deal found 5/28![GOL logo]()
$241
This Justfly.com deal was found by Cheapflights users on 5/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Deal found 5/28![JetBlue logo]()
$257
This FlightHub deal was found by Cheapflights users on 5/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:02 pm
BUF
- SJO
1 stop18h 31m
JetBlue
Deal found 5/27![JetBlue logo]()
$266
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
BUF
- SJO
1 stop8h 45m
Southwest
Deal found 5/31![Southwest logo]()
$283
This Justfly.com deal was found by Cheapflights users on 5/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:55 pm
BUF
- LIR
1 stop19h 06m
JetBlue
Deal found 5/28![JetBlue logo]()
$295
This American Airlines deal was found by Cheapflights users on 5/28. 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 6/257:01 am
BUF
- SJO
1 stop17h 42m
American Airlines
Deal found 5/28![American Airlines logo]()
$313
This Expedia deal was found by Cheapflights users on 5/31. 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.
Thu 8/68:02 pm
BUF
- SJO
3 stops17h 43m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$324
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 June 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (American Airlines) |
One-way from | $163 (American Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $531 |
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 June 1, 2026.
Use the filters below to find and compare flights from Buffalo to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
8:55 am-6:40 pm
2 stops11h 45m
San José Juan Santamaria Intl
Wed 8/26
9:00 am-9:40 pm
1 stop10h 40m
$464
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 10/27
7:30 pm-10:25 am
2 stops16h 55m
San José Juan Santamaria Intl
Thu 10/29
1:20 pm-8:31 pm
2 stops29h 11m
$495
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 11/3
6:00 am-11:25 am
2 stops30h 25m
San José Juan Santamaria Intl
Thu 11/5
2:20 pm-9:49 am
2 stops18h 29m
$512
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 6/26
7:00 am-11:53 am
1 stop30h 53m
Liberia
Sat 7/4
1:03 pm-10:00 am
1 stop18h 57m
$518
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 8/29
8:02 pm-11:45 am
3 stops17h 43m
San José Juan Santamaria Intl
Sun 9/6
12:40 pm-7:13 pm
3 stops28h 33m
$527
Quickest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 8/24
6:00 am-11:49 am
1 stop7h 49m
San José Juan Santamaria Intl
Mon 8/31
1:14 pm-11:59 pm
1 stop8h 45m
$531
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 6/27
10:57 am-9:50 am
2 stops24h 53m
Liberia
Sat 7/4
1:03 pm-10:00 am
1 stop18h 57m
$563
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 6/27
7:00 am-9:50 am
2 stops28h 50m
Liberia
Tue 7/7
11:10 am-10:00 am
2 stops20h 50m
$610
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Sat 6/27
7:00 am-9:50 am
2 stops28h 50m
Liberia
Mon 7/6
11:10 am-10:00 am
2 stops20h 50m
$611
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Tue 6/30
10:57 am-10:44 am
2 stops25h 47m
Liberia
Mon 7/6
11:10 am-10:00 am
2 stops20h 50m
$611
Showing 1-10 of 29 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 May is currently the most expensive (average of $373). 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 June 1, 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
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Buffalo to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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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 June 1, 2026.
Popular flight searches
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Buffalo to Costa Rica flights
Consider these flights traveling from Buffalo to Costa Rica.
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 June 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$501 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$568 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$470 | Average$705 | FlexibilityNo cancel fee | On-time63% |