Earn point on your loyalty program!arrow arc left

Cheap flights from Buffalo (BUF) to San Jose (SJC)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)

How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Buffalo to San Jose in March , April 2026

29 Mar - 28 Apr $ 572.00
BUF
Buffalo
Frontier Airlines
3 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
2 STOPS
BUF
Buffalo
Pick dates
29 Mar - 21 Apr $ 573.00
BUF
Buffalo
Frontier Airlines
3 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
2 STOPS
BUF
Buffalo
Pick dates
29 Mar - 28 Apr $ 623.00
BUF
Buffalo
Frontier Airlines
2 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
2 STOPS
BUF
Buffalo
Pick dates

Last minute flights from Buffalo to San Jose

29 Mar - 02 Apr $ 906.00
BUF
Buffalo
Frontier Airlines
3 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
3 STOPS
BUF
Buffalo
Pick dates
26 Mar - 02 Apr $ 916.00
BUF
Buffalo
Frontier Airlines
2 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
3 STOPS
BUF
Buffalo
Pick dates
29 Mar - 02 Apr $ 957.00
BUF
Buffalo
Frontier Airlines
2 STOPS
SJC
San Jose
SJC
San Jose
Frontier Airlines
3 STOPS
BUF
Buffalo
Pick dates

One-way flights to San Jose from Buffalo

5:29 PM - 7:59 PM
United Airlines
1 Stops
8h 30m
BUF - SJC
$ 259
Kiwi
Pick dates
6:00 AM - 7:25 PM
United Airlines
2 Stops
18h 16m
BUF - SJC
$ 439
Kiwi
Pick dates
5:29 PM - 7:59 PM
United Airlines
1 Stops
8h 30m
BUF - SJC
$ 544
Kiwi
Pick dates

How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Buffalo (BUF) to San Jose (SJC)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.