Cheap flight from San Jose to Boston from DKK 1,416

Frequently Asked Questions

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

  Based on Trip.com data, Spirit Airlines offers one-way fares as low as DKK 706 on Cheapest nonstop routes (e.g. SJO to BOS on Tue, Dec 9), while Spirit Airlines offers Cheapest nonstop round-trips from DKK 1,416 departing on Tue, Dec 9 and returning on Wed, Dec 10.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Jose to Boston 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 San Jose to Boston?

  To find best deals on flights from San Jose to Boston, 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 Tue, Dec 9, with one-way flights priced at just DKK 706.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Spirit 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 Boston travel is around January.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from San Jose to Boston on November 21, 2025 with avianca, with prices starting at DKK 1,463.

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

  The time difference between Boston and San Jose is 1h.

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

  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.