Earn point on your loyalty program!arrow arc left

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

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 San Jose (SJC) to Boston (BOS)

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

Cheap flights from San Jose to Boston in June , July 2026

16 Jun - 14 Jul $ 324.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates
12 Jun - 03 Jul $ 350.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates
08 Jun - 03 Jul $ 564.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates

Last minute flights from San Jose to Boston

16 Jun - 30 Jun $ 428.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates
13 Jun - 30 Jun $ 455.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates
08 Jun - 30 Jun $ 682.00
SJC
San Jose
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SJC
San Jose
Pick dates

One-way flights to Boston from San Jose

5:02 PM - 8:52 PM
Alaska Airlines
1 Stops
9h 38m
SJC - BOS
$ 152
Kiwi
Pick dates
8:12 PM - 7:00 AM
Alaska Airlines
1 Stops
16h 39m
SJC - BOS
$ 178
Kiwi
Pick dates
6:30 AM - 1:55 PM
United Airlines
1 Stops
7h 59m
SJC - BOS
$ 232
Kiwi
Pick dates

How to find the cheapest flight from San Jose (SJC) to Boston (BOS)

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