$180+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Sep 21 — Sep 281
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 August 22, 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 August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/22. 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 10/65:50 pm -
2 stops21h 28m
Tue 10/132:44 pm -
2 stops22h 22m
Deal found 8/22![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:53 pm -
2 stops18h 07m
Wed 11/112:07 pm -
2 stops19h 04m
Deal found 8/21![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:47 pm -
2 stops22h 31m
Sat 10/172:44 pm -
2 stops18h 04m
Deal found 8/21![American Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 12/97:00 am -
1 stop13h 53m
Tue 12/1511:28 pm -
1 stop10h 13m
Deal found 8/22![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop7h 45m
Sat 10/311:00 pm -
1 stop8h 59m
Deal found 8/20![Delta logo]()
$386
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/257:53 pm -
2 stops19h 25m
Sat 10/312:18 pm -
2 stops19h 36m
Deal found 8/20![American Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:48 am -
2 stops10h 19m
Sat 10/31:00 pm -
2 stops19h 41m
Deal found 8/21![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:58 pm -
2 stops19h 48m
Sun 11/153:54 pm -
2 stops17h 17m
Deal found 8/18![American Airlines logo]()
$402
This JetBlue deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Fri 10/27:00 am -
1 stop6h 57m
Fri 10/92:05 pm -
1 stop7h 53m
Deal found 8/18![JetBlue logo]()
$404
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/66:00 am -
1 stop8h 00m
Thu 10/151:25 pm -
1 stop8h 34m
Deal found 8/20![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/107:53 pm -
2 stops27h 22m
Tue 11/172:30 pm -
2 stops19h 00m
Deal found 8/18![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/107:53 pm -
2 stops27h 22m
Mon 11/167:00 am -
2 stops25h 18m
Deal found 8/18![Delta logo]()
$433
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 August 22, 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 August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/177:33 pm -
1 stop17h 54m
Fri 3/52:37 pm -
1 stop26h 25m
Deal found 8/21![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 12/96:00 am -
2 stops15h 39m
Tue 12/1511:28 pm -
1 stop10h 13m
Deal found 8/22![United Airlines logo]()
$432
This JetBlue deal was found by Cheapflights users on 8/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop6h 57m
Thu 10/11:05 pm -
1 stop7h 51m
Deal found 8/22![JetBlue logo]()
$551
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 -
1 stop9h 10m
Sun 12/61:20 pm -
1 stop9h 00m
Deal found 8/18![Southwest logo]()
$630
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:35 am -
2 stops27h 07m
Wed 10/281:25 pm -
2 stops17h 56m
Deal found 8/21![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/276:01 pm -
1 stop19h 55m
Mon 12/75:15 pm -
1 stop28h 22m
Deal found 8/20![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop7h 56m
Sun 11/82:20 pm -
2 stops29h 16m
Deal found 8/18![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:46 am -
2 stops51h 24m
Sat 10/171:03 pm -
1 stop18h 26m
Deal found 8/21![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 am -
2 stops13h 07m
Wed 11/45:20 pm -
1 stop15h 48m
Deal found 8/18![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/127:52 pm -
2 stops16h 33m
Sat 11/142:25 pm -
2 stops18h 29m
Deal found 8/18![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 11/256:30 am -
2 stops15h 09m
Wed 12/211:28 pm -
1 stop10h 13m
Deal found 8/22![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/85:57 pm -
2 stops20h 13m
Wed 9/161:20 pm -
2 stops29h 47m
Deal found 8/18![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:00 am -
2 stops14h 39m
Tue 2/91:15 am -
2 stops18h 16m
Deal found 8/18![United Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:00 am -
2 stops13h 53m
Sat 1/301:00 pm -
1 stop8h 37m
Deal found 8/20![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/42:55 pm -
2 stops23h 15m
Sun 11/82:20 pm -
2 stops29h 16m
Deal found 8/18![United Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 12/210:25 am -
2 stops50h 19m
Wed 12/95:20 pm -
1 stop23h 41m
Deal found 8/22![United Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/276:01 pm -
2 stops20h 21m
Sun 12/611:28 pm -
1 stop20h 11m
Deal found 8/19![United Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 12/226:30 am -
2 stops29h 54m
Sat 12/268:45 am -
2 stops23h 58m
Deal found 8/18![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/2510:35 am -
2 stops25h 50m
Sun 12/611:28 pm -
1 stop20h 11m
Deal found 8/19![United Airlines logo]()
$625
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated August 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:05 am -
1 stop7h 55m
Thu 10/11:25 pm -
1 stop8h 27m
Deal found 8/21![Delta logo]()
$727
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:59 pm -
2 stops18h 11m
Thu 10/11:20 pm -
2 stops18h 09m
Deal found 8/21![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/85:57 pm -
2 stops20h 13m
Wed 9/161:20 pm -
2 stops29h 47m
Deal found 8/18![United Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:48 am -
2 stops10h 19m
Sat 10/31:00 pm -
2 stops19h 41m
Deal found 8/21![American Airlines logo]()
$400
This CheapTicketsDeal deal was found by Cheapflights users on 8/21. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:12 am -
1 stop8h 10m
Sat 10/39:07 am -
1 stop11h 45m
Deal found 8/21![JetBlue logo]()
$668
This Travelocity deal was found by Cheapflights users on 8/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:50 pm -
3 stops17h 55m
Sat 10/33:10 pm -
2 stops14h 49m
Deal found 8/21![Multiple Airlines logo]()
$672
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:38 am -
2 stops15h 29m
Fri 9/182:57 pm -
2 stops18h 42m
Deal found 8/20![American Airlines logo]()
$444
This Orbitz deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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.
Mon 9/147:50 pm -
3 stops17h 55m
Fri 9/183:10 pm -
2 stops21h 16m
Deal found 8/20![Multiple Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/187:34 pm -
2 stops18h 25m
Fri 9/252:57 pm -
2 stops18h 42m
Deal found 8/18![American Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 -
1 stop8h 45m
Fri 9/259:00 am -
1 stop11h 45m
Deal found 8/18![Southwest logo]()
$650
This JetBlue deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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.
Sun 9/277:00 am -
1 stop6h 57m
Thu 10/11:05 pm -
1 stop7h 51m
Deal found 8/20![JetBlue logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
2 stops31h 10m
Thu 10/11:20 pm -
2 stops18h 09m
Deal found 8/20![United Airlines logo]()
$549
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 August 22, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/187:34 pm -
2 stops18h 25m
Deal found 8/18![American Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:53 pm -
2 stops18h 07m
Deal found 8/21![American Airlines logo]()
$203
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/67:00 am -
2 stops30h 33m
Deal found 8/20![American Airlines logo]()
$224
This Avianca deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/259:00 pm -
2 stops12h 50m
Deal found 8/19![Multiple Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop7h 56m
Deal found 8/20![United Airlines logo]()
$241
This Avianca deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/114:35 pm -
2 stops17h 55m
Deal found 8/18![Multiple Airlines logo]()
$241
This Avianca deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/2410:35 am -
2 stops14h 05m
Deal found 8/18![Multiple Airlines logo]()
$242
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 am -
1 stop7h 19m
Deal found 8/20![JetBlue logo]()
$243
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/56:30 am -
2 stops31h 40m
Deal found 8/20![United Airlines logo]()
$247
This TravelUp deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:11 pm -
2 stops9h 10m
Deal found 8/20![British Airways logo]()
$248
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 11/16:30 am -
2 stops29h 55m
Deal found 8/22![United Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/255:58 pm -
2 stops42h 46m
Deal found 8/19![United Airlines logo]()
$288
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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (American Airlines) |
One-way from | $180 (American Airlines) |
Popular in | August |
Cheapest in | November |
Average price | $848 |
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 7,457,451 searches. Data last updated August 22, 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 Buffalo - LIR Liberia
BUFLIR
Buffalo
Wed 2/17
7:33 pm-12:27 pm
1 stop17h 54m
Liberia
Fri 3/5
2:37 pm-6:02 pm
1 stop26h 25m
$398
BuffaloSan José
BUF Buffalo - SJO San José Juan Santamaria Intl
BUFSJO
Buffalo
Wed 12/9
6:00 am-8:39 pm
2 stops15h 39m
San José Juan Santamaria Intl
Tue 12/15
11:28 pm-10:41 am
1 stop10h 13m
$432
BuffaloSan José
BUF Buffalo - SJO San José Juan Santamaria Intl
BUFSJO
Buffalo
Mon 10/26
10:35 am-11:42 am
2 stops27h 07m
San José Juan Santamaria Intl
Wed 10/28
1:25 pm-9:21 am
2 stops17h 56m
$507
BuffaloLiberia
BUF Buffalo - LIR Liberia
BUFLIR
Buffalo
Fri 11/27
6:01 pm-12:56 pm
1 stop19h 55m
Liberia
Mon 12/7
5:15 pm-10:37 pm
1 stop28h 22m
$515
BuffaloLiberia
BUF Buffalo - LIR Liberia
BUFLIR
Buffalo
Sat 11/7
6:00 am-12:56 pm
1 stop7h 56m
Liberia
Sun 11/8
2:20 pm-8:36 pm
2 stops29h 16m
$527
BuffaloLiberia
BUF Buffalo - LIR Liberia
BUFLIR
Buffalo
Sat 10/3
10:46 am-12:10 pm
2 stops51h 24m
Liberia
Sat 10/17
1:03 pm-9:29 am
1 stop18h 26m
$528
BuffaloLiberia
BUF Buffalo - LIR Liberia
BUFLIR
Buffalo
Sun 11/1
6:30 am-6:37 pm
2 stops13h 07m
Liberia
Wed 11/4
5:20 pm-10:08 am
1 stop15h 48m
$531
BuffaloSan José
BUF Buffalo - SJO San José Juan Santamaria Intl
BUFSJO
Buffalo
Thu 11/12
7:52 pm-11:25 am
2 stops16h 33m
San José Juan Santamaria Intl
Sat 11/14
2:25 pm-9:54 am
2 stops18h 29m
$537
Quickest round-trip
BuffaloLiberia
BUF Buffalo - LIR Liberia
BUFLIR
Buffalo
Sun 9/27
7:00 am-11:57 am
1 stop6h 57m
Liberia
Thu 10/1
1:05 pm-10:56 pm
1 stop7h 51m
$551
BuffaloSan José
BUF Buffalo - SJO San José Juan Santamaria Intl
BUFSJO
Buffalo
Wed 11/25
6:30 am-8:39 pm
2 stops15h 09m
San José Juan Santamaria Intl
Wed 12/2
11:28 pm-10:41 am
1 stop10h 13m
$557
Showing 1-10 of 28 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 $481). Flying from Buffalo to Costa Rica in August is currently the most expensive (average of $881). 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 August 22, 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.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Costa Rica by cabin class
Find flights from Buffalo to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Costa Rica flights
Browse other Buffalo and Costa Rica flight options. Last updated on August 22, 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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$251 | Average$544 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$268 | Average$589 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$545 | Average$728 | FlexibilityNo cancel fee | On-time63% |