$139 Cheap Delta flights Boston (BOS) to San Jose (SJC)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $277 from BOS to SJC. Affordable one-way options from $139 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.

Delta Air Lines flights to San Jose are typically 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.

For cheap Delta Air Lines fares from Logan Intl. Airport (BOS) to Norman Y. Mineta San Jose Intl. Airport (SJC), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Use our “Nonstop” filter when looking for direct Delta Air Lines flights from BOS to SJC. It’s also an easy way to compare other carriers offering the same nonstop trip.

To find the earliest departure from BOS to SJC with Delta Air Lines, filter 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.

Hop on a Delta Air Lines flight from Logan Intl. Airport (BOS) to San Jose, and you’ll probably land at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the airline’s primary hub in this city.

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

Changes are generally free within 24 hours of booking, but your airline may charge a fee after that. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without being charged, check the “No cancel fee” or “Changes included” filter when organizing your next trip.