$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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jul 29 — Aug 51
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 June 29, 2026.
Explore the most affordable flight options available from Buffalo to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/285:56 pm
BUF
- LIR
2 stops21h 22m
American Airlines
Thu 10/12:18 pm
LIR
- BUF
2 stops19h 21m
American Airlines
Deal found 6/27![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 7/107:52 pm
BUF
- LIR
2 stops18h 01m
United Airlines
Fri 7/173:27 pm
LIR
- BUF
2 stops16h 33m
United Airlines
Deal found 6/24![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:56 pm
BUF
- SJO
2 stops19h 04m
American Airlines
Wed 11/117:00 am
SJO
- BUF
2 stops14h 53m
American Airlines
Deal found 6/24![American Airlines logo]()
$399
This Avianca deal was found by Cheapflights users on 6/29. 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 12/27:30 pm
BUF
- SJO
2 stops15h 05m
Multiple Airlines
Wed 12/95:00 am
SJO
- BUF
2 stops12h 14m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:20 pm
BUF
- SJO
2 stops18h 01m
American Airlines
Wed 12/93:06 pm
SJO
- BUF
1 stop8h 01m
American Airlines
Deal found 6/29![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/281:29 pm
SJO
- BUF
1 stop26h 33m
American Airlines
Deal found 6/28![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:49 pm
BUF
- SJO
1 stop21h 37m
American Airlines
Tue 8/251:03 pm
SJO
- BUF
2 stops21h 03m
American Airlines
Deal found 6/24![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:20 pm
BUF
- SJO
2 stops19h 19m
American Airlines
Fri 12/181:31 pm
SJO
- BUF
1 stop9h 28m
American Airlines
Deal found 6/27![American Airlines logo]()
$463
This Priceline deal was found by Cheapflights users on 6/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am
BUF
- LIR
1 stop6h 57m
JetBlue
Thu 10/11:05 pm
LIR
- BUF
1 stop7h 51m
JetBlue
Deal found 6/27![JetBlue logo]()
$474
This JetBlue deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 am
BUF
- LIR
1 stop7h 20m
JetBlue
Fri 10/302:05 pm
LIR
- BUF
1 stop7h 57m
JetBlue
Deal found 6/25![JetBlue logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:20 pm
BUF
- LIR
2 stops19h 30m
American Airlines
Wed 12/93:10 pm
LIR
- BUF
2 stops18h 53m
American Airlines
Deal found 6/25![American Airlines logo]()
$485
This Justfly.com deal was found by Cheapflights users on 6/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:45 pm
BUF
- LIR
1 stop19h 10m
JetBlue
Wed 12/92:00 pm
LIR
- BUF
1 stop8h 57m
JetBlue
Deal found 6/24![JetBlue logo]()
$488
Best flights from Buffalo to Costa RicaDiscover carefully curated flight deals from Buffalo to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from Buffalo to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 7/107:52 pm
BUF
- LIR
2 stops18h 01m
United Airlines
Fri 7/173:27 pm
LIR
- BUF
2 stops16h 33m
United Airlines
Deal found 6/24![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:56 pm
BUF
- SJO
2 stops19h 04m
American Airlines
Wed 11/111:23 pm
SJO
- BUF
1 stop9h 45m
American Airlines
Deal found 6/24![American Airlines logo]()
$399
This JetBlue deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 am
BUF
- LIR
1 stop7h 20m
JetBlue
Fri 10/302:05 pm
LIR
- BUF
1 stop7h 57m
JetBlue
Deal found 6/27![JetBlue logo]()
$481
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/281:29 pm
SJO
- BUF
1 stop26h 33m
American Airlines
Deal found 6/28![American Airlines logo]()
$439
This Justfly.com deal was found by Cheapflights users on 6/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:45 pm
BUF
- LIR
1 stop19h 10m
JetBlue
Wed 12/92:00 pm
LIR
- BUF
1 stop8h 57m
JetBlue
Deal found 6/24![JetBlue logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:58 pm
BUF
- LIR
2 stops18h 46m
United Airlines
Fri 10/301:20 pm
LIR
- BUF
2 stops18h 09m
United Airlines
Deal found 6/26![United Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
BUF
- SJO
1 stop8h 52m
American Airlines
Wed 8/262:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 6/25![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:45 pm
BUF
- SJO
2 stops18h 40m
United Airlines
Wed 10/287:45 am
SJO
- BUF
2 stops24h 01m
United Airlines
Deal found 6/28![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Wed 12/27:20 pm
BUF
- LIR
2 stops19h 30m
American Airlines
Wed 12/93:10 pm
LIR
- BUF
2 stops18h 53m
American Airlines
Deal found 6/26![American Airlines logo]()
$485
This FlightHub deal was found by Cheapflights users on 6/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:55 pm
BUF
- LIR
2 stops23h 06m
JetBlue
Tue 9/82:00 pm
LIR
- BUF
1 stop16h 24m
JetBlue
Deal found 6/24![JetBlue logo]()
$551
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 9/167:00 am
BUF
- SJO
2 stops14h 37m
United Airlines
Mon 9/211:25 pm
SJO
- BUF
2 stops18h 03m
United Airlines
Deal found 6/27![United Airlines logo]()
$529
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:15 am
BUF
- SJO
2 stops29h 56m
United Airlines
Wed 7/17:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 6/24![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 7/16:00 am
BUF
- SJO
2 stops18h 39m
United Airlines
Thu 7/3012:30 am
SJO
- BUF
2 stops38h 11m
United Airlines
Deal found 6/28![United Airlines logo]()
$616
This Avianca deal was found by Cheapflights users on 6/25. 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 7/13:50 pm
BUF
- SJO
2 stops18h 40m
Multiple Airlines
Fri 7/314:35 pm
SJO
- BUF
2 stops13h 17m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$672
This KAYAK deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:40 pm
BUF
- SJO
2 stops25h 55m
GOL
Sun 7/1211:41 pm
SJO
- BUF
1 stop21h 09m
GOL
Deal found 6/25![GOL logo]()
$652
This Expedia deal was found by Cheapflights users on 6/28. 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.
Tue 7/73:55 pm
BUF
- SJO
2 stops25h 30m
Multiple Airlines
Tue 7/143:10 pm
SJO
- BUF
2 stops21h 49m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$628
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 7/107:52 pm
BUF
- LIR
2 stops18h 01m
United Airlines
Fri 7/173:27 pm
LIR
- BUF
2 stops16h 33m
United Airlines
Deal found 6/24![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:45 pm
BUF
- LIR
1 stop22h 42m
American Airlines
Fri 7/1712:22 pm
LIR
- BUF
2 stops19h 15m
American Airlines
Deal found 6/24![American Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/115:15 am
BUF
- SJO
2 stops16h 20m
American Airlines
Thu 7/166:00 am
SJO
- BUF
2 stops15h 59m
American Airlines
Deal found 6/28![American Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/1110:57 am
BUF
- SJO
2 stops37h 42m
United Airlines
Thu 7/1611:13 am
SJO
- BUF
2 stops20h 47m
United Airlines
Deal found 6/27![United Airlines logo]()
$632
This Avianca deal was found by Cheapflights users on 6/28. 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.
Fri 7/313:32 pm
BUF
- SJO
2 stops18h 58m
Multiple Airlines
Sun 8/24:35 pm
SJO
- BUF
2 stops13h 17m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$525
This Faresmojo deal was found by Cheapflights users on 6/28. 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 6/28![JetBlue logo]()
$545
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 7/317:01 am
BUF
- SJO
1 stop17h 37m
American Airlines
Sun 8/26:00 am
SJO
- BUF
2 stops15h 53m
American Airlines
Deal found 6/28![American Airlines logo]()
$623
One-way flights from Buffalo to Costa RicaSearch for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Sun 8/166:09 pm
BUF
- LIR
2 stops21h 29m
American Airlines
Deal found 6/29![American Airlines logo]()
$181
This Justfly.com deal was found by Cheapflights users on 6/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:30 pm
BUF
- LIR
1 stop20h 31m
JetBlue
Deal found 6/29![JetBlue logo]()
$248
This Justfly.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:40 am
BUF
- LIR
1 stop8h 00m
JetBlue
Deal found 6/28![JetBlue logo]()
$337
This Justfly.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Deal found 6/28![JetBlue logo]()
$384
This FlightHub deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:37 pm
BUF
- SJO
1 stop18h 20m
JetBlue
Deal found 6/27![JetBlue logo]()
$475
This Justfly.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:35 am
BUF
- LIR
1 stop8h 05m
JetBlue
Deal found 6/28![JetBlue logo]()
$510
Find flight deals from Buffalo to Costa Rica
Keep the following information in mind while searching for Buffalo to Costa Rica flight deals. Data was last updated June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $181 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $506 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 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
Fri 7/10
7:52 pm-11:53 am
2 stops18h 01m
Liberia
Fri 7/17
3:27 pm-10:00 am
2 stops16h 33m
$387
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/26
7:56 pm-1:00 pm
2 stops19h 04m
San José Juan Santamaria Intl
Wed 11/11
1:23 pm-12:08 am
1 stop9h 45m
$399
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
6:59 pm-12:03 pm
2 stops19h 04m
San José Juan Santamaria Intl
Fri 8/28
1:29 pm-6:02 pm
1 stop26h 33m
$439
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
7:00 am-1:52 pm
1 stop8h 52m
San José Juan Santamaria Intl
Wed 8/26
2:56 pm-12:06 pm
2 stops19h 10m
$474
Quickest round-trip
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Mon 10/26
7:40 am-1:00 pm
1 stop7h 20m
Liberia
Fri 10/30
2:05 pm-12:02 am
1 stop7h 57m
$481
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 12/2
7:20 pm-1:50 pm
2 stops19h 30m
Liberia
Wed 12/9
3:10 pm-11:03 am
2 stops18h 53m
$485
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 12/2
6:45 pm-12:55 pm
1 stop19h 10m
Liberia
Wed 12/9
2:00 pm-11:57 pm
1 stop8h 57m
$488
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Mon 10/26
5:58 pm-10:44 am
2 stops18h 46m
Liberia
Fri 10/30
1:20 pm-9:29 am
2 stops18h 09m
$517
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 10/24
5:45 pm-10:25 am
2 stops18h 40m
San José Juan Santamaria Intl
Wed 10/28
7:45 am-9:46 am
2 stops24h 01m
$529
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 9/16
7:00 am-7:37 pm
2 stops14h 37m
San José Juan Santamaria Intl
Mon 9/21
1:25 pm-9:28 am
2 stops18h 03m
$529
Showing 1-10 of 17 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-LIR
BUF-SJO
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-LIR
BUF-SJO
What is the cheapest month to book a flight from Buffalo to Costa Rica?
Currently, April is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $168). Flying from Buffalo to Costa Rica in May is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated June 29, 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
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
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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Buffalo and Costa Rica flights
Browse other Buffalo and Costa Rica flight options. Last updated on June 29, 2026.
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Top 5 airlines flying from Buffalo to Costa Rica
Discover the top 5 airlines that operate flights from Buffalo to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$530 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$527 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$579 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$470 | Average$725 | FlexibilityNo cancel fee | On-time63% |