Cheap flight from Boston to San Jose from £228

Frequently Asked Questions

• What are the cheapest flights from Boston to San Jose (BOS-SJC)?

  Based on Trip.com data, Southwest Airlines offers one-way fares as low as £66 on Cheapest nonstop routes (e.g. BOS to SJC on Wed, Oct 1), while Delta Air Lines offers Cheapest nonstop round-trips from £228 departing on Sun, Sep 28 and returning on Sat, Oct 4.

• When is the best time to book flights from Boston to San Jose?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to San Jose is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Boston to San Jose?

  To find best deals on flights from Boston to San Jose, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 1, with one-way flights priced at just £66.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Southwest Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Jose travel is around June.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Boston (BOS) to San Jose (SJC) the cheapest?

  The cheapest months to fly from Boston to San Jose is May, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Boston to San Jose on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Boston to San Jose on September 24, 2025 with Alaska Airlines, with prices starting at £176.

• Is there any time difference between Boston and San Jose?

  The time difference between San Jose and Boston is 3h.

• How do I change or cancel my ticket from Boston to San Jose?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.