$108 Cheap Alaska Airlines flights Boston (BOS) to San Jose (SJC)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from BOS to SJC. Affordable one-way options from $108 are also available.**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.

Look for round-trip or one-way flights to San Jose in April or November. You could find an affordable fare with Alaska Airlines during these off-peak months.

Start searching one to three months before your departure to find cheaper fares on Alaska Airlines flights from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic journeys.*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.

Enter your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from BOS to SJC with Alaska Airlines or another carrier.

To find the earliest departures from BOS to SJC with Alaska Airlines, sort your results by “Early Morning” and “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.

Alaska Airlines flights from Logan Intl. Airport (BOS) to San Jose come in to land at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the main gateway here.

Offering a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is a favorite for many travelers heading from BOS to SJC. Plus, if you’re a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually modify or cancel your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to adjust your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more information.