$110+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Mar 11 — Mar 181
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 February 9, 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 February 9, 2026.
This American Airlines deal was found by Cheapflights users on 2/5. 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 2/256:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/911:35 pm
SJO
- BUF
2 stops13h 50m
American Airlines
Deal found 2/5![American Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/216:00 am
BUF
- SJO
2 stops15h 07m
American Airlines
Tue 4/282:22 pm
SJO
- BUF
2 stops20h 43m
American Airlines
Deal found 2/8![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 2/86:53 am
BUF
- SJO
1 stop17h 50m
American Airlines
Tue 2/106:00 am
SJO
- BUF
2 stops15h 40m
American Airlines
Deal found 2/7![American Airlines logo]()
$278
This deal was found by Cheapflights users on 2/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Wed 3/111:15 pm
LIR
- BUF
1 stop8h 17m
JetBlue
Deal found 2/7![JetBlue logo]()
$290
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
BUF
- SJO
1 stop8h 53m
JetBlue
Wed 3/188:59 am
SJO
- BUF
1 stop11h 13m
JetBlue
Deal found 2/7![JetBlue logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 5/75:00 am
BUF
- SJO
2 stops34h 08m
American Airlines
Tue 5/1912:10 pm
SJO
- BUF
2 stops20h 40m
American Airlines
Deal found 2/8![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/187:40 pm
BUF
- LIR
2 stops19h 33m
American Airlines
Mon 3/302:18 pm
LIR
- BUF
2 stops18h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 4/247:28 pm
BUF
- LIR
1 stop18h 03m
American Airlines
Mon 4/272:40 pm
LIR
- BUF
2 stops20h 06m
American Airlines
Deal found 2/6![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/96:00 am
SJO
- BUF
1 stop15h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Thu 3/58:00 am
SJO
- BUF
2 stops14h 50m
American Airlines
Deal found 2/6![American Airlines logo]()
$342
This Gurufare deal was found by Cheapflights users on 2/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:31 pm
BUF
- SJO
2 stops18h 33m
LATAM Airlines
Sat 5/161:25 pm
SJO
- BUF
1 stop8h 34m
LATAM Airlines
Deal found 2/8![LATAM Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Sun 3/112:35 am
SJO
- BUF
1 stop21h 06m
American Airlines
Deal found 2/7![American Airlines logo]()
$347
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 February 9, 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 February 9, 2026.
This American Airlines deal was found by Cheapflights users on 2/5. 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 2/256:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/911:35 pm
SJO
- BUF
2 stops13h 50m
American Airlines
Deal found 2/5![American Airlines logo]()
$264
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
BUF
- SJO
1 stop8h 53m
JetBlue
Wed 3/188:59 am
SJO
- BUF
1 stop11h 13m
JetBlue
Deal found 2/7![JetBlue logo]()
$316
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:31 pm
BUF
- LIR
2 stops20h 19m
Delta
Tue 3/312:05 pm
LIR
- BUF
2 stops19h 39m
Delta
Deal found 2/6![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 2/207:21 pm
BUF
- LIR
1 stop18h 39m
United Airlines
Thu 2/262:01 pm
LIR
- BUF
1 stop8h 58m
United Airlines
Deal found 2/8![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 5/137:00 am
BUF
- SJO
2 stops16h 36m
American Airlines
Fri 5/1512:35 pm
SJO
- BUF
2 stops20h 15m
American Airlines
Deal found 2/8![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
BUF
- LIR
1 stop8h 50m
Delta
Mon 3/302:05 pm
LIR
- BUF
2 stops19h 39m
Delta
Deal found 2/6![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 5/71:45 pm
BUF
- SJO
1 stop23h 40m
American Airlines
Fri 5/1512:35 pm
SJO
- BUF
2 stops20h 15m
American Airlines
Deal found 2/8![American Airlines logo]()
$321
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Mon 3/301:20 pm
LIR
- BUF
1 stop16h 46m
JetBlue
Deal found 2/5![JetBlue logo]()
$364
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sat 5/97:00 am
BUF
- SJO
2 stops30h 07m
American Airlines
Tue 5/1912:10 pm
SJO
- BUF
2 stops25h 19m
American Airlines
Deal found 2/8![American Airlines logo]()
$321
This deal was found by Cheapflights users on 2/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Tue 2/242:00 pm
LIR
- BUF
1 stop8h 33m
JetBlue
Deal found 2/5![JetBlue logo]()
$372
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sun 5/107:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Wed 5/132:08 pm
SJO
- BUF
2 stops20h 57m
American Airlines
Deal found 2/8![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/187:40 pm
BUF
- LIR
2 stops19h 33m
American Airlines
Mon 3/302:18 pm
LIR
- BUF
2 stops18h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 4/247:28 pm
BUF
- LIR
2 stops19h 42m
American Airlines
Mon 4/2712:29 pm
LIR
- BUF
2 stops22h 17m
American Airlines
Deal found 2/6![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/236:19 am
BUF
- LIR
2 stops8h 54m
American Airlines
Mon 3/302:18 pm
LIR
- BUF
2 stops20h 33m
American Airlines
Deal found 2/5![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/8. 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 5/186:00 am
BUF
- LIR
1 stop7h 28m
American Airlines
Sat 5/232:47 pm
LIR
- BUF
2 stops20h 08m
American Airlines
Deal found 2/8![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/96:00 am
SJO
- BUF
1 stop15h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 2/207:45 pm
BUF
- LIR
2 stops19h 28m
American Airlines
Thu 2/261:21 pm
LIR
- BUF
2 stops20h 37m
American Airlines
Deal found 2/8![American Airlines logo]()
$360
Last-minute flights from Buffalo to Costa RicaDiscover last-minute flight deals from Buffalo to Costa Rica. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Costa Rica. Data last updated February 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 2/86:53 am
BUF
- SJO
1 stop17h 50m
American Airlines
Tue 2/106:00 am
SJO
- BUF
2 stops15h 40m
American Airlines
Deal found 2/7![American Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 2/207:21 pm
BUF
- LIR
1 stop18h 39m
United Airlines
Thu 2/262:01 pm
LIR
- BUF
1 stop8h 58m
United Airlines
Deal found 2/8![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 2/207:45 pm
BUF
- LIR
2 stops19h 28m
American Airlines
Thu 2/261:21 pm
LIR
- BUF
2 stops20h 37m
American Airlines
Deal found 2/8![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/96:00 am
SJO
- BUF
1 stop15h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Sun 3/112:35 am
SJO
- BUF
1 stop21h 06m
American Airlines
Deal found 2/7![American Airlines logo]()
$347
This Avianca deal was found by Cheapflights users on 2/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:35 am
BUF
- SJO
2 stops14h 05m
Multiple Airlines
Mon 3/97:50 pm
SJO
- BUF
2 stops11h 45m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 2/5. 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 2/256:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/911:35 pm
SJO
- BUF
2 stops13h 50m
American Airlines
Deal found 2/5![American Airlines logo]()
$264
This deal was found by Cheapflights users on 2/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Wed 3/111:15 pm
LIR
- BUF
1 stop8h 17m
JetBlue
Deal found 2/7![JetBlue logo]()
$290
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
BUF
- SJO
1 stop8h 53m
JetBlue
Wed 3/188:59 am
SJO
- BUF
1 stop11h 13m
JetBlue
Deal found 2/7![JetBlue logo]()
$316
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/187:40 pm
BUF
- LIR
2 stops19h 33m
American Airlines
Mon 3/302:18 pm
LIR
- BUF
2 stops18h 40m
American Airlines
Deal found 2/6![American Airlines logo]()
$330
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
BUF
- LIR
1 stop7h 55m
JetBlue
Mon 3/301:20 pm
LIR
- BUF
1 stop16h 46m
JetBlue
Deal found 2/5![JetBlue logo]()
$364
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:31 pm
BUF
- LIR
2 stops20h 19m
Delta
Tue 3/312:05 pm
LIR
- BUF
2 stops19h 39m
Delta
Deal found 2/6![Delta logo]()
$331
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 February 9, 2026.
Search for one-way flight options from Buffalo to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 5/86:00 am
BUF
- SJO
2 stops9h 08m
American Airlines
Deal found 2/8![American Airlines logo]()
$110
This American Airlines deal was found by Cheapflights users on 2/7. 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 3/186:34 am
BUF
- SJO
1 stop17h 09m
American Airlines
Deal found 2/7![American Airlines logo]()
$114
This American Airlines deal was found by Cheapflights users on 2/5. 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 3/46:39 pm
BUF
- SJO
2 stops16h 45m
American Airlines
Deal found 2/5![American Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 2/5. 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.
Wed 3/412:05 pm
BUF
- SJO
1 stop10h 57m
Delta
Deal found 2/5![Delta logo]()
$143
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/316:34 am
BUF
- LIR
1 stop8h 53m
American Airlines
Deal found 2/8![American Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 5/85:50 pm
BUF
- SJO
2 stops20h 31m
United Airlines
Deal found 2/8![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:37 am
BUF
- SJO
2 stops11h 38m
Delta
Deal found 2/8![Delta logo]()
$181
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:30 am
BUF
- SJO
3 stops26h 15m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$205
This KAYAK deal was found by Cheapflights users on 2/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 am
BUF
- SJO
2 stops31h 59m
GOL
Deal found 2/7![GOL logo]()
$209
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Thu 6/187:00 am
BUF
- SJO
2 stops41h 39m
United Airlines
Deal found 2/6![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 6/187:30 pm
BUF
- SJO
2 stops18h 29m
American Airlines
Deal found 2/5![American Airlines logo]()
$255
This SmartFares deal was found by Cheapflights users on 2/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:30 am
BUF
- SJO
1 stop6h 50m
JetBlue
Deal found 2/7![JetBlue logo]()
$287
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 February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (American Airlines) |
One-way from | $110 (American Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $574 |
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 February 9, 2026.
Use the filters below to find and compare flights from Buffalo to Costa Rica that are best for you.
Fly from
Buffalo
Fly to
Costa Rica
Route
Depart
Return
Price
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 2/25
6:05 am-8:12 pm
1 stop15h 07m
San José Juan Santamaria Intl
Mon 3/9
11:35 pm-3:25 pm
2 stops13h 50m
$264
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/11
6:00 am-12:53 pm
1 stop8h 53m
San José Juan Santamaria Intl
Wed 3/18
8:59 am-10:12 pm
1 stop11h 13m
$316
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 5/13
7:00 am-9:36 pm
2 stops16h 36m
San José Juan Santamaria Intl
Fri 5/15
12:35 pm-10:50 am
2 stops20h 15m
$321
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Thu 5/7
1:45 pm-11:25 am
1 stop23h 40m
San José Juan Santamaria Intl
Fri 5/15
12:35 pm-10:50 am
2 stops20h 15m
$321
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 5/9
7:00 am-11:07 am
2 stops30h 07m
San José Juan Santamaria Intl
Tue 5/19
12:10 pm-3:29 pm
2 stops25h 19m
$321
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sun 5/10
7:28 pm-11:07 am
2 stops17h 39m
San José Juan Santamaria Intl
Wed 5/13
2:08 pm-1:05 pm
2 stops20h 57m
$321
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 3/18
7:40 pm-1:13 pm
2 stops19h 33m
Liberia
Mon 3/30
2:18 pm-10:58 am
2 stops18h 40m
$330
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 3/25
5:31 pm-11:50 am
2 stops20h 19m
Liberia
Tue 3/31
2:05 pm-11:44 am
2 stops19h 39m
$331
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Wed 3/18
6:00 am-12:50 pm
1 stop8h 50m
Liberia
Mon 3/30
2:05 pm-11:44 am
2 stops19h 39m
$331
BuffaloLiberia
BUF - LIR
BUFLIR
Buffalo
Fri 4/24
7:28 pm-1:10 pm
2 stops19h 42m
Liberia
Mon 4/27
12:29 pm-12:46 pm
2 stops22h 17m
$331
Showing 1-10 of 26 results
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, April is the cheapest month in which you can book a flight from Buffalo to Costa Rica (average of $182). Flying from Buffalo to Costa Rica in July is currently the most expensive (average of $463). 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 February 9, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 February 9, 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 February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$505 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$313 | Average$564 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$577 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$676 | FlexibilityNo cancel fee | On-time63% |