$169 Cheap Delta flights Jacksonville (JAX) to Denver (DEN)

You can discover affordable round-trip Delta Air Lines flights from $333 from JAX to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $169 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.

January is one of the most affordable months to jet away to Denver with Delta Air Lines. You could also find great deals on one-way and return tickets in November.

To find cheap Delta Air Lines fares from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN), start searching one to three months before your planned departure. Securing 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 affect how much you pay. Sunday is usually the most affordable, 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 journey from JAX to DEN with Delta Air Lines or any other carriers, use our “Nonstop” filter when searching for flights.

Sort your results by “Morning” and “Early Morning” to see the earliest flights from JAX to DEN. Taking off early means you’re 20% less likely to experience 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 Jacksonville Intl. Airport (JAX) to Denver, and you’ll likely come in to Denver Intl. Airport (DEN). This is the airline’s primary hub in this city.

Delta Air Lines makes flying from JAX to DEN enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Make sure you sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying 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 “Changes included” or “No cancel fee” filter when planning your next break.