$181+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Aug 26 — Sep 21
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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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 27, 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 27, 2026.
This Avianca deal was found by Cheapflights users on 7/24. 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 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 10/317:50 pm
SJO
- BUF
2 stops11h 37m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/24. 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 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 7/24![United Airlines logo]()
$413
This Avianca deal was found by Cheapflights users on 7/25. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:33 pm
BUF
- SJO
2 stops18h 57m
Multiple Airlines
Wed 9/164:35 pm
SJO
- BUF
2 stops13h 35m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$426
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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
Wed 10/284:15 pm
SJO
- BUF
2 stops14h 12m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$428
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 7/26. 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.
Sat 11/2810:35 am
BUF
- SJO
2 stops14h 05m
Multiple Airlines
Sun 12/67:50 pm
SJO
- BUF
2 stops12h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$440
This JetBlue deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 7/21![JetBlue logo]()
$442
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 Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:30 am
BUF
- SJO
1 stop9h 05m
Southwest
Tue 10/209:00 am
SJO
- BUF
2 stops11h 20m
Southwest
Deal found 7/24![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 12/212:00 pm
BUF
- SJO
2 stops11h 15m
Delta
Wed 12/92:30 pm
SJO
- BUF
1 stop8h 29m
Delta
Deal found 7/25![Delta logo]()
$454
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
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 27, 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 27, 2026.
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 JetBlue deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 7/21![JetBlue logo]()
$442
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Mon 10/267:30 am
BUF
- SJO
2 stops14h 10m
Southwest
Wed 11/111:20 pm
SJO
- BUF
2 stops18h 05m
Southwest
Deal found 7/23![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 12/212:00 pm
BUF
- SJO
2 stops11h 15m
Delta
Wed 12/92:30 pm
SJO
- BUF
1 stop8h 29m
Delta
Deal found 7/25![Delta logo]()
$454
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:30 am
BUF
- SJO
1 stop9h 05m
Southwest
Tue 10/209:00 am
SJO
- BUF
2 stops11h 20m
Southwest
Deal found 7/24![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 7/24. 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 10/205:45 pm
BUF
- LIR
2 stops20h 25m
United Airlines
Sun 10/254:20 pm
LIR
- BUF
2 stops15h 34m
United Airlines
Deal found 7/24![United Airlines logo]()
$508
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 Delta deal was found by Cheapflights users on 7/24. 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.
Mon 1/181:00 pm
BUF
- SJO
2 stops24h 45m
Delta
Fri 1/297:05 am
SJO
- BUF
1 stop15h 50m
Delta
Deal found 7/24![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 11/137:59 pm
BUF
- LIR
2 stops23h 38m
United Airlines
Mon 11/238:45 am
LIR
- BUF
2 stops23h 44m
United Airlines
Deal found 7/23![United Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 11/102:54 pm
BUF
- LIR
2 stops21h 50m
United Airlines
Thu 11/125:20 pm
LIR
- BUF
1 stop29h 01m
United Airlines
Deal found 7/22![United Airlines logo]()
$526
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
2 stops18h 05m
Southwest
Deal found 7/26![Southwest logo]()
$542
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/268:45 pm
BUF
- SJO
1 stop16h 57m
United Airlines
Wed 10/2812:55 pm
SJO
- BUF
1 stop8h 26m
United Airlines
Deal found 7/22![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 7/24. 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 1/207:00 am
BUF
- SJO
2 stops12h 16m
United Airlines
Fri 1/298:45 am
SJO
- BUF
2 stops12h 52m
United Airlines
Deal found 7/24![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 1/217:00 am
BUF
- SJO
2 stops12h 16m
United Airlines
Sat 1/231:15 am
SJO
- BUF
2 stops14h 32m
United Airlines
Deal found 7/24![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/55:58 pm
BUF
- LIR
2 stops20h 12m
United Airlines
Sat 9/121:20 pm
LIR
- BUF
2 stops17h 56m
United Airlines
Deal found 7/22![United Airlines logo]()
$561
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated July 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 7/306:15 am
BUF
- SJO
2 stops29h 56m
United Airlines
Thu 9/37:55 am
SJO
- BUF
2 stops23h 33m
United Airlines
Deal found 7/25![United Airlines logo]()
$597
This Travelocity deal was found by Cheapflights users on 7/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:21 pm
BUF
- SJO
3 stops18h 24m
Multiple Airlines
Thu 9/35:05 am
SJO
- BUF
2 stops17h 03m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$605
This Faresmojo deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 7/21![JetBlue logo]()
$550
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/27:15 am
SJO
- BUF
2 stops24h 36m
United Airlines
Deal found 7/23![United Airlines logo]()
$575
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 American 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 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
Wed 8/262:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 7/26![American Airlines logo]()
$517
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/188:02 pm
BUF
- SJO
2 stops14h 43m
Multiple Airlines
Wed 8/264:35 pm
SJO
- BUF
2 stops13h 01m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
BUF
- SJO
2 stops16h 52m
American Airlines
Fri 8/281:29 pm
SJO
- BUF
2 stops18h 49m
American Airlines
Deal found 7/22![American Airlines logo]()
$557
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:49 pm
BUF
- LIR
2 stops20h 40m
American Airlines
Sat 9/192:47 pm
LIR
- BUF
2 stops19h 55m
American Airlines
Deal found 7/26![American Airlines logo]()
$674
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:05 pm
BUF
- LIR
1 stop19h 56m
JetBlue
Sat 9/191:05 pm
LIR
- BUF
1 stop7h 51m
JetBlue
Deal found 7/26![JetBlue logo]()
$738
This KAYAK deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 7/23![JetBlue logo]()
$590
This Delta deal was found by Cheapflights users on 7/24. 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.
Tue 8/256:05 am
BUF
- LIR
1 stop7h 55m
Delta
Tue 9/81:25 pm
LIR
- BUF
1 stop8h 27m
Delta
Deal found 7/24![Delta logo]()
$660
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 27, 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 27, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/267:59 pm
BUF
- LIR
2 stops18h 11m
United Airlines
Deal found 7/23![United Airlines logo]()
$181
This Avianca deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/255:15 pm
BUF
- SJO
2 stops18h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Sun 10/255:00 am
BUF
- SJO
1 stop9h 40m
Southwest
Deal found 7/23![Southwest logo]()
$191
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/298:06 pm
BUF
- SJO
2 stops14h 39m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:50 am
BUF
- SJO
2 stops14h 50m
Southwest
Deal found 7/25![Southwest logo]()
$211
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/187:50 pm
BUF
- SJO
2 stops14h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$213
This JetBlue deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/256:55 am
BUF
- SJO
1 stop7h 38m
JetBlue
Deal found 7/23![JetBlue logo]()
$226
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/296:55 am
BUF
- SJO
1 stop7h 38m
JetBlue
Deal found 7/22![JetBlue logo]()
$229
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/186:00 am
BUF
- SJO
1 stop8h 45m
Southwest
Deal found 7/22![Southwest logo]()
$230
This FlightHub deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Wed 8/266:55 am
BUF
- SJO
1 stop7h 38m
JetBlue
Deal found 7/23![JetBlue logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/256:55 am
BUF
- SJO
2 stops15h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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
Deal found 7/23![Delta logo]()
$263
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (JetBlue) |
One-way from | $181 (United 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 27, 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
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
Quickest 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
$442
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/26
7:30 am-7:40 pm
2 stops14h 10m
San José Juan Santamaria Intl
Wed 11/11
1:20 pm-8:25 am
2 stops18h 05m
$452
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/12
5:30 am-12:35 pm
1 stop9h 05m
San José Juan Santamaria Intl
Tue 10/20
9:00 am-10:20 pm
2 stops11h 20m
$452
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 12/2
12:00 pm-10:15 pm
2 stops11h 15m
San José Juan Santamaria Intl
Wed 12/9
2:30 pm-11:59 pm
1 stop8h 29m
$454
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
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Tue 10/20
5:45 pm-12:10 pm
2 stops20h 25m
Liberia
Sun 10/25
4:20 pm-9:54 am
2 stops15h 34m
$508
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 11/13
7:59 pm-6:37 pm
2 stops23h 38m
Liberia
Mon 11/23
8:45 am-9:29 am
2 stops23h 44m
$513
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 1/18
1:00 pm-12:45 pm
2 stops24h 45m
San José Juan Santamaria Intl
Fri 1/29
7:05 am-11:55 pm
1 stop15h 50m
$523
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Tue 11/10
2:54 pm-11:44 am
2 stops21h 50m
Liberia
Thu 11/12
5:20 pm-11:21 pm
1 stop29h 01m
$526
Showing 1-10 of 31 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 27, 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.
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Overall
8.0
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 27, 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 27, 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% |