$178+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Aug 30 — Sep 61
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 July 31, 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 July 31, 2026.
This Avianca deal was found by Cheapflights users on 7/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:00 pm
BUF
- SJO
2 stops14h 30m
Multiple Airlines
Mon 10/265:00 am
SJO
- BUF
2 stops12h 01m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$401
This JetBlue deal was found by Cheapflights users on 7/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 am
BUF
- LIR
1 stop7h 20m
JetBlue
Thu 11/123:05 pm
LIR
- BUF
1 stop7h 57m
JetBlue
Deal found 7/26![JetBlue logo]()
$402
This Avianca deal was found by Cheapflights users on 7/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm
BUF
- SJO
2 stops17h 20m
Multiple Airlines
Sun 11/154:15 pm
SJO
- BUF
2 stops15h 12m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$408
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 am
BUF
- SJO
1 stop7h 19m
JetBlue
Wed 11/113:05 pm
SJO
- BUF
1 stop7h 57m
JetBlue
Deal found 7/29![JetBlue logo]()
$410
This Avianca deal was found by Cheapflights users on 7/27. 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 10/248:00 pm
BUF
- SJO
2 stops17h 25m
Multiple Airlines
Sat 10/315:05 am
SJO
- BUF
2 stops11h 56m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/285:58 pm
BUF
- LIR
2 stops18h 46m
United Airlines
Mon 11/28:45 am
LIR
- BUF
2 stops14h 01m
United Airlines
Deal found 7/26![United Airlines logo]()
$413
This Avianca deal was found by Cheapflights users on 7/26. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:25 am
BUF
- SJO
2 stops14h 15m
Multiple Airlines
Wed 12/97:50 pm
SJO
- BUF
2 stops12h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$429
This Avianca deal was found by Cheapflights users on 7/26. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:50 pm
BUF
- SJO
2 stops21h 45m
Multiple Airlines
Sun 12/67:50 pm
SJO
- BUF
2 stops12h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$438
This Avianca deal was found by Cheapflights users on 7/28. 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.
Sat 11/2810:35 am
BUF
- SJO
2 stops14h 05m
Multiple Airlines
Sun 12/64:15 pm
SJO
- BUF
2 stops16h 19m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$439
This Avianca deal was found by Cheapflights users on 7/26. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2712:50 pm
BUF
- SJO
2 stops21h 45m
Multiple Airlines
Sun 12/67:50 pm
SJO
- BUF
2 stops12h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/106:56 pm
BUF
- LIR
2 stops20h 22m
American Airlines
Tue 9/152:47 pm
LIR
- BUF
2 stops18h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/105:58 pm
BUF
- LIR
2 stops18h 46m
United Airlines
Thu 11/125:20 pm
LIR
- BUF
2 stops29h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$528
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 July 31, 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 July 31, 2026.
This JetBlue deal was found by Cheapflights users on 7/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 am
BUF
- LIR
1 stop7h 20m
JetBlue
Thu 11/123:05 pm
LIR
- BUF
1 stop7h 57m
JetBlue
Deal found 7/26![JetBlue logo]()
$402
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/285:58 pm
BUF
- LIR
2 stops18h 46m
United Airlines
Mon 11/28:45 am
LIR
- BUF
2 stops14h 01m
United Airlines
Deal found 7/26![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am
BUF
- SJO
1 stop7h 15m
Southwest
Thu 11/191:20 pm
SJO
- BUF
2 stops18h 05m
Southwest
Deal found 7/26![Southwest logo]()
$470
This Expedia deal was found by Cheapflights users on 7/30. 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.
Sun 12/1310:25 am
BUF
- SJO
2 stops14h 15m
Multiple Airlines
Sat 12/197:50 pm
SJO
- BUF
2 stops13h 09m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 7/28. 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 12/210:00 am
BUF
- SJO
2 stops13h 15m
Delta
Wed 12/97:00 am
SJO
- BUF
1 stop10h 00m
Delta
Deal found 7/28![Delta logo]()
$528
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 10/265:58 pm
BUF
- SJO
2 stops19h 44m
United Airlines
Wed 10/281:25 pm
SJO
- BUF
2 stops18h 17m
United Airlines
Deal found 7/30![United Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:25 am
BUF
- SJO
1 stop6h 40m
Southwest
Mon 10/269:00 am
SJO
- BUF
2 stops21h 25m
Southwest
Deal found 7/29![Southwest logo]()
$542
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 am
BUF
- SJO
1 stop7h 19m
JetBlue
Wed 10/282:05 pm
SJO
- BUF
1 stop7h 57m
JetBlue
Deal found 7/28![JetBlue logo]()
$548
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/105:58 pm
BUF
- LIR
2 stops18h 46m
United Airlines
Thu 11/125:20 pm
LIR
- BUF
2 stops29h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:00 am
BUF
- SJO
1 stop7h 45m
Delta
Mon 1/257:05 am
SJO
- BUF
1 stop15h 50m
Delta
Deal found 7/30![Delta logo]()
$622
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:05 am
BUF
- SJO
1 stop9h 10m
Southwest
Sun 12/61:20 pm
SJO
- BUF
1 stop9h 00m
Southwest
Deal found 7/26![Southwest logo]()
$583
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 12/76:00 am
BUF
- LIR
1 stop30h 44m
United Airlines
Mon 12/148:35 am
LIR
- BUF
2 stops31h 12m
United Airlines
Deal found 7/28![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 11/146:00 am
BUF
- SJO
1 stop8h 00m
United Airlines
Thu 11/1911:28 pm
SJO
- BUF
1 stop9h 40m
United Airlines
Deal found 7/26![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 10/297:52 pm
BUF
- LIR
2 stops42h 04m
United Airlines
Tue 11/35:20 pm
LIR
- BUF
1 stop15h 48m
United Airlines
Deal found 7/27![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/247:59 pm
BUF
- SJO
2 stops18h 23m
United Airlines
Sat 10/311:15 pm
SJO
- BUF
1 stop24h 05m
United Airlines
Deal found 7/27![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 7/30. 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 12/210:20 am
BUF
- LIR
2 stops50h 24m
United Airlines
Wed 12/95:15 pm
LIR
- BUF
2 stops22h 32m
United Airlines
Deal found 7/30![United Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/26:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Mon 9/77:55 am
SJO
- BUF
2 stops23h 33m
United Airlines
Deal found 7/26![United Airlines logo]()
$656
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated July 31, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 7/28. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:55 pm
BUF
- SJO
1 stop19h 05m
JetBlue
Sun 8/212:00 pm
SJO
- BUF
1 stop9h 55m
JetBlue
Deal found 7/28![JetBlue logo]()
$571
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 7/317:00 am
BUF
- SJO
2 stops17h 39m
United Airlines
Sun 8/27:55 am
SJO
- BUF
2 stops32h 10m
United Airlines
Deal found 7/26![United Airlines logo]()
$585
This Travelocity deal was found by Cheapflights users on 7/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:55 pm
BUF
- SJO
2 stops21h 35m
Multiple Airlines
Tue 8/113:10 pm
SJO
- BUF
2 stops14h 42m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$609
This Orbitz deal was found by Cheapflights users on 7/30. 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.
Thu 8/63:55 pm
BUF
- SJO
2 stops18h 35m
Multiple Airlines
Mon 8/104:35 pm
SJO
- BUF
2 stops13h 01m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$612
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/186:59 pm
BUF
- SJO
2 stops19h 04m
American Airlines
Fri 8/282:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 7/28![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/186:55 am
BUF
- SJO
2 stops14h 42m
United Airlines
Wed 8/261:25 pm
SJO
- BUF
2 stops18h 03m
United Airlines
Deal found 7/30![United Airlines logo]()
$587
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:02 pm
BUF
- SJO
2 stops14h 28m
Multiple Airlines
Sat 8/293:10 pm
SJO
- BUF
2 stops21h 49m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/256:59 pm
BUF
- LIR
2 stops18h 30m
American Airlines
Tue 9/812:35 pm
LIR
- BUF
2 stops19h 56m
American Airlines
Deal found 7/29![American Airlines logo]()
$575
This KAYAK deal was found by Cheapflights users on 7/27. 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 8/256:55 am
BUF
- LIR
1 stop7h 45m
JetBlue
Tue 9/82:00 pm
LIR
- BUF
1 stop16h 10m
JetBlue
Deal found 7/27![JetBlue logo]()
$605
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/267:34 pm
BUF
- LIR
2 stops17h 55m
American Airlines
Tue 9/112:35 pm
LIR
- BUF
2 stops19h 04m
American Airlines
Deal found 7/27![American Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 7/27. 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 8/266:05 am
BUF
- LIR
1 stop7h 55m
Delta
Tue 9/11:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 7/27![Delta logo]()
$606
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/307:54 pm
BUF
- LIR
2 stops17h 35m
American Airlines
Sun 9/62:45 pm
LIR
- BUF
2 stops19h 53m
American Airlines
Deal found 7/28![American Airlines logo]()
$554
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 July 31, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/125:00 pm
BUF
- SJO
2 stops20h 59m
American Airlines
Deal found 7/29![American Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/296:59 pm
BUF
- SJO
2 stops19h 08m
American Airlines
Deal found 7/28![American Airlines logo]()
$183
This Avianca deal was found by Cheapflights users on 7/27. 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.
Tue 10/2712:10 pm
BUF
- SJO
2 stops13h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/296:55 am
BUF
- SJO
2 stops14h 42m
United Airlines
Deal found 7/29![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/1010:30 am
BUF
- SJO
2 stops11h 07m
United Airlines
Deal found 7/30![United Airlines logo]()
$192
This Avianca deal was found by Cheapflights users on 7/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:59 pm
BUF
- SJO
2 stops13h 46m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:25 am
BUF
- SJO
1 stop6h 40m
Southwest
Deal found 7/27![Southwest logo]()
$216
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/197:00 am
BUF
- SJO
2 stops14h 37m
United Airlines
Deal found 7/29![United Airlines logo]()
$223
This Orbitz deal was found by Cheapflights users on 7/28. 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 8/293:55 pm
BUF
- SJO
3 stops21h 50m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$230
This KAYAK deal was found by Cheapflights users on 7/29. 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.
Fri 9/46:55 am
BUF
- SJO
1 stop7h 38m
JetBlue
Deal found 7/29![JetBlue logo]()
$236
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
BUF
- SJO
3 stops31h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$240
This Avianca deal was found by Cheapflights users on 7/29. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:32 pm
BUF
- SJO
2 stops18h 58m
Multiple Airlines
Deal found 7/29![Multiple 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 July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $401 (Avianca) |
One-way from | $178 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $770 |
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 July 31, 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
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Tue 11/10
7:40 am-2:00 pm
1 stop7h 20m
Liberia
Thu 11/12
3:05 pm-12:02 am
1 stop7h 57m
$402
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 10/28
5:58 pm-10:44 am
2 stops18h 46m
Liberia
Mon 11/2
8:45 am-11:46 pm
2 stops14h 01m
$413
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 11/14
6:00 am-12:15 pm
1 stop7h 15m
San José Juan Santamaria Intl
Thu 11/19
1:20 pm-8:25 am
2 stops18h 05m
$470
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/26
5:58 pm-11:42 am
2 stops19h 44m
San José Juan Santamaria Intl
Wed 10/28
1:25 pm-9:42 am
2 stops18h 17m
$523
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sun 12/13
10:25 am-11:40 pm
2 stops14h 15m
San José Juan Santamaria Intl
Sat 12/19
7:50 pm-9:59 am
2 stops13h 09m
$524
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 12/2
10:00 am-10:15 pm
2 stops13h 15m
San José Juan Santamaria Intl
Wed 12/9
7:00 am-6:00 pm
1 stop10h 00m
$528
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Tue 11/10
5:58 pm-11:44 am
2 stops18h 46m
Liberia
Thu 11/12
5:20 pm-11:46 pm
2 stops29h 26m
$528
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Mon 12/7
6:00 am-11:44 am
1 stop30h 44m
Liberia
Mon 12/14
8:35 am-4:47 pm
2 stops31h 12m
$535
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 11/14
6:00 am-1:00 pm
1 stop8h 00m
San José Juan Santamaria Intl
Thu 11/19
11:28 pm-10:08 am
1 stop9h 40m
$536
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 10/21
7:25 am-12:05 pm
1 stop6h 40m
San José Juan Santamaria Intl
Mon 10/26
9:00 am-8:25 am
2 stops21h 25m
$542
Showing 1-10 of 34 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, September is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $413). Flying from Buffalo to Costa Rica in August is currently the most expensive (average of $771). 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 July 31, 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.
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 July 31, 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 July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$544 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$574 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$545 | Average$725 | FlexibilityNo cancel fee | On-time63% |