$110+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Apr 29 — May 61
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 March 30, 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 March 30, 2026.
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Mon 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 3/27![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sat 5/2311:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 3/29![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:59 pm
BUF
- SJO
2 stops18h 08m
American Airlines
Tue 4/212:08 pm
SJO
- BUF
2 stops18h 43m
American Airlines
Deal found 3/29![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:15 am
BUF
- SJO
1 stop9h 00m
American Airlines
Sun 9/131:05 pm
SJO
- BUF
2 stops19h 38m
American Airlines
Deal found 3/28![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sun 5/2411:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 3/29![American Airlines logo]()
$364
This Justfly.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:52 pm
BUF
- SJO
1 stop14h 27m
Frontier
Sun 6/79:35 am
SJO
- BUF
2 stops26h 19m
Frontier
Deal found 3/29![Frontier logo]()
$373
This Expedia deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
BUF
- SJO
1 stop8h 30m
JetBlue
Sat 5/911:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/26![JetBlue logo]()
$376
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:38 pm
BUF
- SJO
2 stops18h 12m
American Airlines
Tue 8/2512:50 pm
SJO
- BUF
2 stops20h 14m
American Airlines
Deal found 3/27![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sat 5/96:30 am
SJO
- BUF
2 stops15h 20m
American Airlines
Deal found 3/26![American Airlines logo]()
$392
This KAYAK deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:31 pm
BUF
- SJO
2 stops19h 38m
GOL
Wed 7/11:59 pm
SJO
- BUF
2 stops21h 30m
GOL
Deal found 3/29![GOL logo]()
$394
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sat 5/96:30 am
SJO
- BUF
2 stops15h 20m
American Airlines
Deal found 3/28![American Airlines logo]()
$396
This KAYAK deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:38 pm
BUF
- SJO
2 stops18h 12m
GOL
Mon 8/3112:57 pm
SJO
- BUF
2 stops20h 07m
GOL
Deal found 3/28![GOL logo]()
$399
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 March 30, 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 March 30, 2026.
This Justfly.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:52 pm
BUF
- SJO
1 stop14h 27m
Frontier
Sun 6/79:35 am
SJO
- BUF
2 stops26h 19m
Frontier
Deal found 3/29![Frontier logo]()
$373
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
BUF
- SJO
1 stop17h 42m
American Airlines
Sun 6/711:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 3/27![American Airlines logo]()
$404
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
Wed 4/2911:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/25![JetBlue logo]()
$425
This Travelocity deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:52 pm
BUF
- SJO
1 stop14h 27m
Multiple Airlines
Sun 5/3112:40 pm
SJO
- BUF
3 stops33h 19m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 am
BUF
- SJO
1 stop8h 34m
American Airlines
Sun 6/711:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 3/29![American Airlines logo]()
$404
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
BUF
- SJO
1 stop7h 24m
JetBlue
Thu 5/711:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/25![JetBlue logo]()
$434
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:28 pm
BUF
- SJO
2 stops18h 22m
American Airlines
Wed 5/2711:59 pm
SJO
- BUF
1 stop20h 37m
American Airlines
Deal found 3/25![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sat 5/912:31 pm
SJO
- BUF
1 stop9h 19m
American Airlines
Deal found 3/26![American Airlines logo]()
$435
Last-minute flights from Buffalo to San JoséDiscover last-minute flight deals from Buffalo to San José. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San José. Data last updated March 30, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:50 pm
BUF
- SJO
1 stop23h 40m
Frontier
Thu 4/21:27 pm
SJO
- BUF
1 stop20h 50m
Frontier
Deal found 3/26![Frontier logo]()
$409
This Ovago deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:59 pm
BUF
- SJO
2 stops21h 56m
GOL
Mon 8/3112:57 pm
SJO
- BUF
2 stops19h 57m
GOL
Deal found 3/25![GOL logo]()
$428
This Justfly.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:02 pm
BUF
- SJO
1 stop25h 10m
Frontier
Thu 4/91:27 pm
SJO
- BUF
1 stop20h 50m
Frontier
Deal found 3/30![Frontier logo]()
$430
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:59 pm
BUF
- SJO
2 stops18h 08m
American Airlines
Tue 4/212:08 pm
SJO
- BUF
2 stops18h 43m
American Airlines
Deal found 3/29![American Airlines logo]()
$349
This BusinessClass deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:28 pm
BUF
- SJO
2 stops19h 40m
GOL
Fri 4/242:22 pm
SJO
- BUF
2 stops20h 43m
GOL
Deal found 3/27![GOL logo]()
$404
This Expedia deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
BUF
- SJO
1 stop8h 30m
JetBlue
Sat 5/911:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/26![JetBlue logo]()
$376
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Sat 5/96:30 am
SJO
- BUF
2 stops15h 20m
American Airlines
Deal found 3/26![American Airlines logo]()
$392
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
BUF
- SJO
1 stop7h 56m
JetBlue
Wed 4/2911:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/25![JetBlue logo]()
$425
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Mon 5/42:22 pm
SJO
- BUF
2 stops20h 24m
American Airlines
Deal found 3/27![American Airlines logo]()
$325
This FlightHub deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:02 pm
BUF
- SJO
1 stop29h 12m
JetBlue
Mon 5/411:59 pm
SJO
- BUF
1 stop13h 00m
JetBlue
Deal found 3/27![JetBlue logo]()
$459
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 March 30, 2026.
Search for one-way flight options from Buffalo to San José. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This FlightHub deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:18 pm
BUF
- SJO
1 stop25h 54m
Frontier
Deal found 3/25![Frontier logo]()
$110
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
BUF
- SJO
2 stops15h 19m
United Airlines
Deal found 3/28![United Airlines logo]()
$139
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:52 pm
BUF
- SJO
1 stop14h 27m
Frontier
Deal found 3/27![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Deal found 3/25![American Airlines logo]()
$144
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:57 pm
BUF
- SJO
1 stop13h 23m
Frontier
Deal found 3/30![Frontier logo]()
$158
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:15 am
BUF
- SJO
1 stop6h 41m
JetBlue
Deal found 3/28![JetBlue logo]()
$164
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:59 pm
BUF
- SJO
2 stops18h 08m
American Airlines
Deal found 3/29![American Airlines logo]()
$169
This Expedia deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:57 pm
BUF
- SJO
1 stop13h 23m
Frontier
Deal found 3/29![Frontier logo]()
$178
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Deal found 3/27![United Airlines logo]()
$199
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 am
BUF
- SJO
1 stop8h 33m
JetBlue
Deal found 3/26![JetBlue logo]()
$205
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:02 am
BUF
- SJO
2 stops15h 22m
American Airlines
Deal found 3/27![American Airlines logo]()
$210
This FlightHub deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:59 pm
BUF
- SJO
2 stops13h 31m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$212
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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $325 (American Airlines) |
One-way from | $110 (FlightHub) |
Popular in | December |
Cheapest in | November |
Average price | $663 |
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 March 30, 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
Fri 6/5
7:52 pm-8:19 am
1 stop14h 27m
San José Juan Santamaria Intl
Sun 6/7
9:35 am-1:54 pm
2 stops26h 19m
$373
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 6/5
7:00 am-10:42 pm
1 stop17h 42m
San José Juan Santamaria Intl
Sun 6/7
11:59 pm-10:36 pm
1 stop20h 37m
$404
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 5/29
6:25 am-12:59 pm
1 stop8h 34m
San José Juan Santamaria Intl
Sun 6/7
11:59 pm-10:36 pm
1 stop20h 37m
$404
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 5/20
7:28 pm-11:50 am
2 stops18h 22m
San José Juan Santamaria Intl
Wed 5/27
11:59 pm-10:36 pm
1 stop20h 37m
$406
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 4/22
6:00 am-11:56 am
1 stop7h 56m
San José Juan Santamaria Intl
Wed 4/29
11:59 pm-2:59 pm
1 stop13h 00m
$425
Quickest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 5/5
6:00 am-11:24 am
1 stop7h 24m
San José Juan Santamaria Intl
Thu 5/7
11:59 pm-2:59 pm
1 stop13h 00m
$434
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 4/18
7:28 pm-11:07 am
2 stops17h 39m
San José Juan Santamaria Intl
Sat 5/9
12:31 pm-11:50 pm
1 stop9h 19m
$435
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 5/23
7:52 pm-8:19 am
1 stop14h 27m
San José Juan Santamaria Intl
Sun 5/31
12:40 pm-11:59 pm
3 stops33h 19m
$480
Cheapest one-way
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 4/8
12:18 pm-12:12 pm
1 stop25h 54m
$110
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 5/12
6:00 am-11:24 am
1 stop7h 24m
$139
Showing 1-10 of 17 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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
How far ahead should I book a flight from Buffalo to San José?
Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San José. Price data was last updated on March 13, 2026.
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Buffalo to San José?
Currently, November is the cheapest month in which you can book a flight from Buffalo to San José (average of $217). Flying from Buffalo to San José in May is currently the most expensive (average of $369). 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 March 30, 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.
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
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 March 30, 2026.
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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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$463 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$676 | FlexibilityNo cancel fee | On-time63% |