Skip to content
Sign in

Cheap flights from Boston to San Jose

Recently found return fares from $233, with November the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$233 Nov2026 $239 Jan2027 $238 Aug2027

Boston → San Jose

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 $233 3 4 5 6 7 8 9 10 11 12 13 $245 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • American AirlinesMon 2 Nov – Thu 12 Nov · 2 stops · 9h 44m $398
  • JetBlueMon 23 Nov – Mon 30 Nov · 1 stop · 6h 34m $640
  • Copa AirlinesMon 23 Nov – Sun 29 Nov · 1 stop · 7h 15m $650
  • Copa AirlinesTue 24 Nov – Sun 29 Nov · 1 stop · 7h 13m $650
  • Copa AirlinesTue 24 Nov – Mon 30 Nov · 1 stop · 7h 13m $650
See all flights for these dates

Airport in San Jose

  • SJOJuan Santamaría

Airport in Boston

  • BOSLogan

Watch this route

BOS
SJO

We'll ask you to confirm your email. Sign in to manage all alerts in one place.

More trips from Boston

All flights from Boston San Jose to Boston flights
Atlantafrom $145 Orlandofrom $168 Washingtonfrom $181 Miamifrom $197 Chicagofrom $204 RDUfrom $250 New Yorkfrom $269 San Diegofrom $273

FAQ

Questions about this route

Still have a question?

Search the help center or send us a message. We reply by email.

Help center Contact us
01What is the cheapest month to fly from Boston to San Jose?

Based on recently found fares, November 2026 has the lowest price we know of, from $233. Prices change often, so check the calendar for current fares.

02Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

03How can I get an alert when flights to San Jose get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.