$133+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 10, 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 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/9![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/8. 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 10/267:40 pm
BUF
- SJO
2 stops17h 25m
American Airlines
Sat 10/311:05 pm
SJO
- BUF
2 stops20h 32m
American Airlines
Deal found 6/8![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 6/5. 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 8/256:00 am
BUF
- LIR
1 stop8h 00m
Delta
Thu 9/31:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 6/5![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/285:38 pm
BUF
- LIR
2 stops19h 49m
American Airlines
Tue 9/112:35 pm
LIR
- BUF
2 stops19h 04m
American Airlines
Deal found 6/5![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/282:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 6/8![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/115:50 pm
BUF
- SJO
2 stops18h 35m
United Airlines
Wed 11/1812:35 pm
SJO
- BUF
2 stops20h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$419
This BusinessClass deal was found by Cheapflights users on 6/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am
BUF
- SJO
1 stop8h 58m
GOL
Sat 10/312:45 pm
SJO
- BUF
2 stops19h 17m
GOL
Deal found 6/8![GOL logo]()
$440
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:49 pm
BUF
- LIR
2 stops20h 38m
American Airlines
Thu 9/32:45 pm
LIR
- BUF
2 stops21h 41m
American Airlines
Deal found 6/5![American Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
Wed 11/181:23 pm
SJO
- BUF
1 stop9h 45m
American Airlines
Deal found 6/9![American Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/266:59 pm
BUF
- LIR
2 stops20h 39m
American Airlines
Thu 9/32:45 pm
LIR
- BUF
2 stops21h 41m
American Airlines
Deal found 6/5![American Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 6/5. 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 8/256:10 pm
BUF
- LIR
2 stops19h 50m
Delta
Fri 9/41:25 pm
LIR
- BUF
2 stops30h 07m
Delta
Deal found 6/5![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am
BUF
- LIR
1 stop7h 30m
American Airlines
Wed 12/91:39 pm
LIR
- BUF
1 stop9h 28m
American Airlines
Deal found 6/10![American Airlines logo]()
$464
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 10, 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 10, 2026.
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:59 pm
BUF
- LIR
2 stops18h 01m
Delta
Thu 9/31:25 pm
LIR
- BUF
1 stop8h 34m
Delta
Deal found 6/5![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/115:50 pm
BUF
- SJO
2 stops18h 35m
United Airlines
Wed 11/1811:28 pm
SJO
- BUF
1 stop22h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am
BUF
- LIR
1 stop7h 30m
American Airlines
Wed 12/91:39 pm
LIR
- BUF
1 stop9h 28m
American Airlines
Deal found 6/6![American Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 6/8. 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 10/265:05 am
BUF
- SJO
1 stop8h 55m
Southwest
Sat 10/319:00 am
SJO
- BUF
1 stop11h 35m
Southwest
Deal found 6/8![Southwest logo]()
$570
This FlightHub deal was found by Cheapflights users on 6/8. 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 8/188:02 pm
BUF
- SJO
3 stops17h 43m
Multiple Airlines
Wed 8/2612:40 pm
SJO
- BUF
3 stops17h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$613
This Justfly.com deal was found by Cheapflights users on 6/9. 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 8/46:40 am
BUF
- SJO
1 stop8h 00m
JetBlue
Tue 8/182:02 pm
SJO
- BUF
1 stop26h 56m
JetBlue
Deal found 6/9![JetBlue logo]()
$690
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:58 pm
BUF
- LIR
2 stops20h 12m
United Airlines
Fri 8/281:20 pm
LIR
- BUF
2 stops18h 08m
United Airlines
Deal found 6/5![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:58 pm
BUF
- LIR
2 stops20h 12m
United Airlines
Tue 9/11:20 pm
LIR
- BUF
2 stops18h 08m
United Airlines
Deal found 6/5![United Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 am
BUF
- SJO
1 stop7h 55m
Southwest
Wed 8/269:00 am
SJO
- BUF
1 stop10h 40m
Southwest
Deal found 6/9![Southwest logo]()
$598
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 am
BUF
- SJO
2 stops10h 52m
American Airlines
Tue 8/251:03 pm
SJO
- BUF
2 stops21h 03m
American Airlines
Deal found 6/5![American Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/710:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Sun 7/127:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 6/7![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/227:52 pm
BUF
- SJO
2 stops25h 45m
United Airlines
Thu 7/2312:30 am
SJO
- BUF
2 stops31h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/110:57 am
BUF
- SJO
2 stops37h 42m
United Airlines
Thu 7/3012:30 am
SJO
- BUF
2 stops38h 11m
United Airlines
Deal found 6/9![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 6/9. 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 12/210:50 am
BUF
- SJO
2 stops26h 52m
United Airlines
Wed 12/911:28 pm
SJO
- BUF
1 stop17h 31m
United Airlines
Deal found 6/9![United Airlines logo]()
$666
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated June 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:04 pm
BUF
- SJO
1 stop19h 51m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/147:00 am
BUF
- SJO
2 stops38h 37m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 6/9. 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 6/146:10 am
BUF
- SJO
1 stop7h 25m
Southwest
Mon 6/221:40 pm
SJO
- BUF
2 stops16h 20m
Southwest
Deal found 6/9![Southwest logo]()
$640
This KAYAK deal was found by Cheapflights users on 6/9. 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 6/157:52 pm
BUF
- SJO
2 stops25h 45m
Multiple Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops30h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/157:05 pm
BUF
- SJO
1 stop18h 33m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/227:52 pm
BUF
- SJO
2 stops25h 45m
United Airlines
Thu 7/2312:30 am
SJO
- BUF
2 stops31h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/2910:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Mon 12/142:20 pm
SJO
- BUF
2 stops18h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/110:34 am
BUF
- SJO
2 stops38h 05m
United Airlines
Thu 7/3012:30 am
SJO
- BUF
2 stops38h 11m
United Airlines
Deal found 6/6![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/710:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Sun 7/127:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 6/7![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/81:54 pm
BUF
- SJO
2 stops22h 17m
United Airlines
Tue 7/1412:30 am
SJO
- BUF
2 stops21h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$639
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Sun 7/266:40 am
BUF
- LIR
1 stop8h 00m
JetBlue
Wed 8/52:00 pm
LIR
- BUF
1 stop15h 50m
JetBlue
Deal found 6/10![JetBlue logo]()
$621
This American Airlines deal was found by Cheapflights users on 6/7. 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
Mon 8/33:37 pm
SJO
- BUF
2 stops19h 28m
American Airlines
Deal found 6/7![American Airlines logo]()
$517
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 10, 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 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/56:49 pm
BUF
- SJO
2 stops20h 11m
American Airlines
Deal found 6/10![American Airlines logo]()
$133
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:40 pm
BUF
- LIR
2 stops19h 35m
American Airlines
Deal found 6/7![American Airlines logo]()
$180
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:02 pm
BUF
- SJO
1 stop12h 18m
Frontier
Deal found 6/9![Frontier logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/207:00 am
BUF
- SJO
2 stops29h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 6/10. 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 10/55:05 am
BUF
- SJO
1 stop8h 55m
Southwest
Deal found 6/10![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:30 am
BUF
- SJO
2 stops13h 10m
Southwest
Deal found 6/9![Southwest logo]()
$268
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:57 pm
BUF
- SJO
1 stop14h 23m
Frontier
Deal found 6/9![Frontier logo]()
$277
This KAYAK deal was found by Cheapflights users on 6/8. 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.
Sun 8/27:35 pm
BUF
- SJO
2 stops18h 15m
GOL
Deal found 6/8![GOL logo]()
$281
This Southwest deal was found by Cheapflights users on 6/10. 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 8/26:10 am
BUF
- SJO
1 stop7h 25m
Southwest
Deal found 6/10![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/7. 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 6/297:00 am
BUF
- SJO
2 stops29h 11m
United Airlines
Deal found 6/7![United Airlines logo]()
$286
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Mon 7/206:40 am
BUF
- LIR
1 stop8h 00m
JetBlue
Deal found 6/8![JetBlue logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/210:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Deal found 6/7![United Airlines logo]()
$316
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $180 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $513 |
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 10, 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
Mon 8/31
7:59 pm-12:00 pm
2 stops18h 01m
Liberia
Thu 9/3
1:25 pm-11:59 pm
1 stop8h 34m
$362
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 11/11
5:50 pm-11:25 am
2 stops18h 35m
San José Juan Santamaria Intl
Wed 11/18
11:28 pm-10:37 pm
1 stop22h 09m
$425
Quickest round-trip
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 12/2
6:00 am-12:30 pm
1 stop7h 30m
Liberia
Wed 12/9
1:39 pm-12:07 am
1 stop9h 28m
$469
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 8/21
5:58 pm-12:10 pm
2 stops20h 12m
Liberia
Fri 8/28
1:20 pm-9:28 am
2 stops18h 08m
$527
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Thu 8/27
5:58 pm-12:10 pm
2 stops20h 12m
Liberia
Tue 9/1
1:20 pm-9:28 am
2 stops18h 08m
$527
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/26
5:05 am-12:00 pm
1 stop8h 55m
San José Juan Santamaria Intl
Sat 10/31
9:00 am-10:35 pm
1 stop11h 35m
$570
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 7/7
10:57 am-10:11 am
2 stops25h 14m
San José Juan Santamaria Intl
Sun 7/12
7:55 am-10:00 am
2 stops24h 05m
$589
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
6:50 am-12:45 pm
1 stop7h 55m
San José Juan Santamaria Intl
Wed 8/26
9:00 am-9:40 pm
1 stop10h 40m
$598
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
8:02 pm-11:45 am
3 stops17h 43m
San José Juan Santamaria Intl
Wed 8/26
12:40 pm-7:50 am
3 stops17h 10m
$613
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 6/22
7:52 pm-7:37 pm
2 stops25h 45m
San José Juan Santamaria Intl
Thu 7/23
12:30 am-10:00 am
2 stops31h 30m
$643
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-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 10, 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.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$501 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$527 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$595 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$470 | Average$705 | FlexibilityNo cancel fee | On-time63% |