$172 Cheap American Airlines flights Jacksonville (JAX) to Denver (DEN)

Landing cheap one-way American Airlines flights from JAX to DEN from $172 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $343 for your next break.**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.

American Airlines flights to Denver tend to be cheaper in the off-peak months of January and November. Whether you need a one-way or a return ticket, you could land a better deal then.

Search for cheap American Airlines flights from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 figure out if there’s a direct route from JAX to DEN with American Airlines or any other airlines, check the “Nonstop” box when searching for flights.

To find the earliest departures from JAX to DEN with American Airlines, filter your search by “Early Morning” and “Morning.” Choosing an early flight generally 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.

Get on an American Airlines flight from Jacksonville Intl. Airport (JAX) to Denver, and you’ll likely touch down at Denver Intl. Airport (DEN). This is the airline’s primary hub in this destination.

It’s usually possible to modify or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you have to adjust your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.