What is the cheapest month to fly from Boston to San Jose?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Boston (BOS) to San Jose (SJO), with fares starting from $205.

What is the lowest current fare from BOS to SJO?

The lowest currently-listed fare from Boston (BOS) to San Jose (SJO) is $205 on 2026-06-17.

Is there a direct flight from Boston to San Jose?

There is currently no non-stop service from BOS to SJO. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Boston to San Jose

Cheapest current fares: $205 in June 2026 on connecting flights.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Boston (BOS) to San Jose (SJO). Refreshed daily.

Boston (BOS) → San Jose (SJO)

June 2026 $205
August 2026 $226

Frequently asked questions

What is the cheapest month to fly from Boston to San Jose?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Boston (BOS) to San Jose (SJO), with fares starting from $205.
What is the lowest current fare from BOS to SJO?

The lowest currently-listed fare from Boston (BOS) to San Jose (SJO) is $205 on 2026-06-17.
Is there a direct flight from Boston to San Jose?

There is currently no non-stop service from BOS to SJO. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.