Top Airlines Flying from San Jose to Boston

Choose from 0 carriers that fly from San Jose to Boston, including , Enjoy the cheapest tickets on this route with Spirit Airlines.

Find flight deals from San Jose to Boston for the next 3 months. Book one way flights from DKK 706 or round trip flights from DKK 1,416.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from San Jose to Boston

The distance between San Jose and Boston is about 3,825.52 km. The most popular month to Boston is January. The off-season for travel is September.

Cheapest one-way flight priceDKK 706
Cheapest round-trip ticket priceDKK 1,416
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance3,825.52 km

When is the cheapest time to fly from San Jose to Boston?

The cheapest time for San Jose to Boston flights: Dec 7 to Dec 14 — one way flight prices from DKK 706.

Cheapest flights
From price
Search
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

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.
  • 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.
  • 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.
  • The cheapest months to fly from San Jose to Boston is September, when demand for travel is lower.
  • 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.
  • The time difference between Boston and San Jose is 1h.
  • 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.