$79 Cheap Delta flights San Jose (SJC) to Boise (BOI)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines return flights from $155 from SJC to BOI. Affordable one-way options from $79 are also on offer.**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 Boise tend to be cheaper in the off-peak months of January and December. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

For cheap Delta Air Lines fares from Norman Y. Mineta San Jose Intl. Airport (SJC) to Boise Airport (BOI), 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 overall price. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

To see if there’s a direct route from SJC to BOI with Delta Air Lines or another carrier, use our “Nonstop” filter when browsing for tickets.

Search Delta Air Lines’s earliest flights from SJC to BOI by selecting the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Take a Delta Air Lines flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Boise, and you’ll probably touch down at Boise Airport (BOI). This is the airline’s primary hub here.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers heading from SJC to BOI. Plus, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

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 altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without additional charges, check the “No cancel fee” or “Changes included” filter when planning your next adventure.