Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) 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 Boston (BOS) to San Jose (SJC)

How to find the cheapest flight from Boston (BOS) 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 Boston (BOS) 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 Boston (BOS) 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 Boston to San Jose in May , June 2026

29 May - 16 Jun $ 363.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
29 May - 01 Jun $ 452.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
29 May - 03 Jun $ 452.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to San Jose

28 May - 31 May $ 404.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
28 May - 31 May $ 414.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
29 May - 31 May $ 977.00
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates

One-way flights to San Jose from Boston

5:05 PM - 7:50 PM
United Airlines
1 Stops
8h 30m
BOS - SJC
$ 188
Kiwi
Pick dates
12:22 PM - 3:50 PM
United Airlines
1 Stops
8h 8m
BOS - SJC
$ 227
Kiwi
Pick dates
11:00 AM - 7:30 PM
United Airlines
2 Stops
13h 9m
BOS - SJC
$ 288
Kiwi
Pick dates

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