$118 Cheap Delta flights San Jose (SJC) to Denver (DEN)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines round-trip flights from $213 from SJC to DEN. Affordable one-way fares from $118 are available too.**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 Denver are typically cheaper in the quieter months of January and November. Whether you’re in search of a one-way or round-trip ticket, you could find a better deal then.

Begin your search one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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 your timing spot on, and you can enjoy significant savings on domestic flights.*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 the “Nonstop” filter when searching for direct Delta Air Lines flights from SJC to DEN. It’s also an easy way to compare other carriers servicing the same nonstop trip.

To find the earliest departure from SJC to DEN with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight usually means cancellations are less likely.**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.

Denver Intl. Airport (DEN) is the primary Denver gateway for Delta Air Lines flights from Norman Y. Mineta San Jose Intl. Airport (SJC).

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many travelers flying from SJC to DEN. Plus, 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 used on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee typically applies if you modify or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our “Changes included” or “No cancel fee” filter when you look for flights. For additional information on canceling or modifying your reservation, head to “Trips,” select your flight and click on “Manage Booking.”