$138 Cheap Spirit Airlines flights Boston (BOS) to San Jose (SJC)

View $138 flight on Mon, Aug 25, 2025Opens in a new window

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$138 Cheap Spirit Airlines flights Boston (BOS) to San Jose (SJC)

Prices were available within the past 7 days and start at $138 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Aug 18 - Sun, Aug 24
BOS
Boston
SJC
San Jose
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon, Aug 18 from Boston to San Jose, returning Sun, Aug 24, priced at $284 found 2 days ago
Flights from Boston (BOS) to San Jose (SJC)
Origin airport
Logan Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
2681 mi
Average flight time
6 hours 50 mins

Frequently asked questions

How much is a Spirit Airlines flight from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You can discover budget-friendly return Spirit Airlines flights from $284 from BOS to SJC by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $138 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to SJC with Spirit Airlines?
Spirit Airlines flights to San Jose are generally more affordable in the off-peak months of April and November. Whether you need a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Spirit Airlines?
Search for cheap Spirit Airlines flights from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Spirit Airlines fly nonstop from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Enter your dates, click search and check "Nonstop" on Expedia to find any direct flights from BOS to SJC with Spirit Airlines or other airlines.
What is the earliest Spirit Airlines flight from BOS to SJC?
To find the earliest departure from BOS to SJC with Spirit Airlines, sort your results by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Spirit Airlines fly into in San Jose?
Spirit Airlines flights from Logan Intl. Airport (BOS) to San Jose land at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the main gateway here.
Why fly with Spirit Airlines from BOS to SJC?
Depart from BOS to SJC with Spirit Airlines and you'll enjoy a host of benefits including a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Spirit Airlines flight from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Changes are usually free within 24 hours of making your booking, but your airline may add a charge after that time. For more information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without additional charges, check the "Changes included" or "No cancel fee" filter when planning your next break.

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