$154+ Cheap flights from Buffalo (BUF) to San José (SJO)
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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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Cheapest flights from Buffalo to San JoséExplore the most affordable flight options available from Buffalo to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
Explore the most affordable flight options available from Buffalo to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/5. 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 11/147:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
Thu 11/196:22 am
SJO
- BUF
1 stop8h 55m
American Airlines
Deal found 5/5![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 8/186:59 pm
BUF
- SJO
2 stops18h 35m
American Airlines
Fri 8/281:29 pm
SJO
- BUF
2 stops18h 49m
American Airlines
Deal found 5/6![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 5/7. 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 5/117:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Wed 5/1312:35 pm
SJO
- BUF
1 stop9h 15m
American Airlines
Deal found 5/7![American Airlines logo]()
$369
This KAYAK deal was found by Cheapflights users on 5/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:34 pm
BUF
- SJO
2 stops19h 37m
GOL
Thu 7/162:00 pm
SJO
- BUF
2 stops18h 16m
GOL
Deal found 5/6![GOL logo]()
$401
This Avianca deal was found by Cheapflights users on 5/7. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 pm
BUF
- SJO
2 stops14h 45m
Multiple Airlines
Tue 6/27:45 pm
SJO
- BUF
2 stops11h 13m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$402
This Priceline deal was found by Cheapflights users on 5/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:57 pm
BUF
- SJO
1 stop13h 23m
Frontier
Sat 8/299:35 am
SJO
- BUF
2 stops23h 05m
Frontier
Deal found 5/7![Frontier logo]()
$403
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Sat 5/307:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Tue 6/23:08 pm
SJO
- BUF
2 stops19h 47m
American Airlines
Deal found 5/7![American Airlines logo]()
$404
This Ovago deal was found by Cheapflights users on 5/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:03 pm
BUF
- SJO
2 stops20h 19m
GOL
Sun 11/226:22 am
SJO
- BUF
1 stop8h 55m
GOL
Deal found 5/7![GOL logo]()
$407
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/76:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Thu 5/141:25 pm
SJO
- BUF
2 stops18h 16m
United Airlines
Deal found 5/6![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 5/77:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
Thu 5/1412:35 pm
SJO
- BUF
1 stop9h 15m
American Airlines
Deal found 5/6![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 5/6. 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 8/126:59 pm
BUF
- SJO
1 stop19h 27m
American Airlines
Tue 8/252:52 pm
SJO
- BUF
2 stops19h 46m
American Airlines
Deal found 5/6![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
BUF
- SJO
1 stop7h 56m
Delta
Sun 9/61:21 pm
SJO
- BUF
1 stop8h 37m
Delta
Deal found 5/7![Delta logo]()
$421
Best flights from Buffalo to San JoséDiscover carefully curated flight deals from Buffalo to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
Discover carefully curated flight deals from Buffalo to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 8/186:59 pm
BUF
- SJO
2 stops18h 35m
American Airlines
Fri 8/281:29 pm
SJO
- BUF
2 stops18h 49m
American Airlines
Deal found 5/6![American Airlines logo]()
$345
This KAYAK deal was found by Cheapflights users on 5/9. 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 7/137:34 pm
BUF
- SJO
2 stops19h 37m
GOL
Thu 7/1612:50 pm
SJO
- BUF
2 stops19h 26m
GOL
Deal found 5/9![GOL logo]()
$402
This Delta deal was found by Cheapflights users on 5/6. 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 10/146:00 am
BUF
- SJO
1 stop7h 58m
Delta
Mon 10/191:23 pm
SJO
- BUF
1 stop8h 32m
Delta
Deal found 5/6![Delta logo]()
$481
This Priceline deal was found by Cheapflights users on 5/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:52 pm
BUF
- SJO
2 stops14h 28m
Frontier
Sat 8/299:35 am
SJO
- BUF
2 stops23h 05m
Frontier
Deal found 5/7![Frontier logo]()
$500
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 7/26:04 pm
BUF
- SJO
2 stops30h 35m
United Airlines
Mon 7/67:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 5/9![United Airlines logo]()
$532
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
BUF
- SJO
1 stop8h 45m
Southwest
Sat 9/269:30 am
SJO
- BUF
1 stop9h 00m
Southwest
Deal found 5/5![Southwest logo]()
$565
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:57 pm
BUF
- SJO
1 stop14h 23m
Multiple Airlines
Fri 7/101:43 pm
SJO
- BUF
1 stop16h 07m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 5/8. 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 8/185:40 pm
BUF
- SJO
2 stops19h 54m
American Airlines
Wed 8/262:52 pm
SJO
- BUF
2 stops17h 49m
American Airlines
Deal found 5/8![American Airlines logo]()
$345
This KAYAK deal was found by Cheapflights users on 5/7. 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.
Mon 7/65:20 am
BUF
- SJO
2 stops40h 15m
GOL
Sun 7/122:00 pm
SJO
- BUF
2 stops18h 16m
GOL
Deal found 5/7![GOL logo]()
$422
This American Airlines deal was found by Cheapflights users on 5/9. 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 8/126:59 pm
BUF
- SJO
1 stop19h 27m
American Airlines
Tue 8/252:52 pm
SJO
- BUF
2 stops19h 46m
American Airlines
Deal found 5/9![American Airlines logo]()
$412
Last-minute flights from Buffalo to San JoséDiscover last-minute flight deals from Buffalo to San José. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San José. Data last updated May 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/76:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Thu 5/141:25 pm
SJO
- BUF
2 stops18h 16m
United Airlines
Deal found 5/6![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 5/77:00 am
BUF
- SJO
1 stop16h 36m
American Airlines
Thu 5/1412:35 pm
SJO
- BUF
1 stop9h 15m
American Airlines
Deal found 5/6![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/97:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Wed 5/1312:35 pm
SJO
- BUF
1 stop9h 15m
American Airlines
Deal found 5/8![American Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/8. 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.
Sat 5/96:00 am
BUF
- SJO
1 stop7h 25m
Southwest
Wed 5/139:00 am
SJO
- BUF
1 stop11h 55m
Southwest
Deal found 5/8![Southwest logo]()
$442
This American Airlines deal was found by Cheapflights users on 5/7. 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 5/117:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Wed 5/1312:35 pm
SJO
- BUF
1 stop9h 15m
American Airlines
Deal found 5/7![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:00 am
BUF
- SJO
1 stop9h 10m
Southwest
Wed 5/139:00 am
SJO
- BUF
1 stop11h 55m
Southwest
Deal found 5/7![Southwest logo]()
$464
This Avianca deal was found by Cheapflights users on 5/6. 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.
Sat 5/238:00 pm
BUF
- SJO
2 stops14h 45m
Multiple Airlines
Sat 5/307:45 pm
SJO
- BUF
2 stops11h 13m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$452
This Avianca deal was found by Cheapflights users on 5/7. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 pm
BUF
- SJO
2 stops14h 45m
Multiple Airlines
Tue 6/27:45 pm
SJO
- BUF
2 stops11h 13m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Sat 5/307:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Tue 6/23:08 pm
SJO
- BUF
2 stops19h 47m
American Airlines
Deal found 5/7![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/57:01 am
BUF
- SJO
1 stop17h 42m
American Airlines
Fri 6/126:01 am
SJO
- BUF
2 stops15h 53m
American Airlines
Deal found 5/6![American Airlines logo]()
$463
One-way flights from Buffalo to San JoséSearch for one-way flight options from Buffalo to San José. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
Search for one-way flight options from Buffalo to San José. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 6/97:40 pm
BUF
- SJO
2 stops18h 09m
American Airlines
Deal found 5/6![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 6/207:30 pm
BUF
- SJO
2 stops19h 38m
American Airlines
Deal found 5/9![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 5/9. 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 6/161:46 pm
BUF
- SJO
2 stops25h 22m
American Airlines
Deal found 5/9![American Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:02 pm
BUF
- SJO
1 stop20h 09m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Fri 6/267:32 pm
BUF
- SJO
2 stops18h 17m
American Airlines
Deal found 5/9![American Airlines logo]()
$209
This FlightHub deal was found by Cheapflights users on 5/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:52 pm
BUF
- SJO
2 stops19h 38m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$212
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/246:04 pm
BUF
- SJO
2 stops30h 35m
United Airlines
Deal found 5/9![United Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:02 pm
BUF
- SJO
1 stop20h 09m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$225
This Expedia deal was found by Cheapflights users on 5/9. 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.
Wed 7/17:57 pm
BUF
- SJO
1 stop14h 23m
Frontier
Deal found 5/9![Frontier logo]()
$242
This Justfly.com deal was found by Cheapflights users on 5/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:05 am
BUF
- SJO
1 stop8h 45m
JetBlue
Deal found 5/7![JetBlue logo]()
$246
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 6/276:04 pm
BUF
- SJO
2 stops27h 33m
United Airlines
Deal found 5/9![United Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.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 5/9![Frontier logo]()
$269
Find flight deals from Buffalo to San José
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (American Airlines) |
One-way from | $154 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $526 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to San José 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 May 10, 2026.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
6:59 pm-11:34 am
2 stops18h 35m
San José Juan Santamaria Intl
Fri 8/28
1:29 pm-10:18 am
2 stops18h 49m
$345
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
5:40 pm-11:34 am
2 stops19h 54m
San José Juan Santamaria Intl
Wed 8/26
2:52 pm-10:41 am
2 stops17h 49m
$345
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 7/13
7:34 pm-1:11 pm
2 stops19h 37m
San José Juan Santamaria Intl
Thu 7/16
12:50 pm-10:16 am
2 stops19h 26m
$402
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 8/12
6:59 pm-12:26 pm
1 stop19h 27m
San José Juan Santamaria Intl
Tue 8/25
2:52 pm-12:38 pm
2 stops19h 46m
$412
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 7/6
5:20 am-7:35 pm
2 stops40h 15m
San José Juan Santamaria Intl
Sun 7/12
2:00 pm-10:16 am
2 stops18h 16m
$422
Quickest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 10/14
6:00 am-11:58 am
1 stop7h 58m
San José Juan Santamaria Intl
Mon 10/19
1:23 pm-11:55 pm
1 stop8h 32m
$481
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sun 8/23
7:52 pm-8:20 am
2 stops14h 28m
San José Juan Santamaria Intl
Sat 8/29
9:35 am-10:40 am
2 stops23h 05m
$500
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Thu 7/2
6:04 pm-10:39 pm
2 stops30h 35m
San José Juan Santamaria Intl
Mon 7/6
7:55 am-10:00 am
2 stops24h 05m
$532
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 9/21
6:00 am-12:45 pm
1 stop8h 45m
San José Juan Santamaria Intl
Sat 9/26
9:30 am-8:30 pm
1 stop9h 00m
$565
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 7/3
7:57 pm-8:20 am
1 stop14h 23m
San José Juan Santamaria Intl
Fri 7/10
1:43 pm-7:50 am
1 stop16h 07m
$568
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Buffalo to San José
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to San José in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San José flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Buffalo with our price prediction graph.
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 San José
What is the cheapest month to book a flight from Buffalo to San José?
Currently, September is the cheapest month in which you can book a flight from Buffalo to San José (average of $344). Flying from Buffalo to San José in March is currently the most expensive (average of $687). 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.
How much does it cost to fly round-trip from Buffalo to San José?
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated May 10, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Buffalo to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
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Buffalo and San José flights
Browse other Buffalo and San José flight options. Last updated on May 10, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on May 10, 2026.
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Other flights to San José
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Top 5 airlines flying from Buffalo to San José
Discover the top 5 airlines that operate flights from Buffalo to San José. 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$463 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$634 | FlexibilityNo cancel fee | On-time63% |