$139 Cheap American Airlines flights Denver (DEN) to Jacksonville (JAX)

View $139 flight on Thu, Sep 11, 2025Opens in a new window

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$139 Cheap American Airlines flights Denver (DEN) to Jacksonville (JAX)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 25 - Thu, Aug 28
DEN
Denver
JAX
Jacksonville
$277 Roundtrip, just found
$277
Roundtrip
just found
Select American Airlines flight, departing Mon, Aug 25 from Denver to Jacksonville, returning Thu, Aug 28, priced at $277 just found
Flights from Denver (DEN) to Jacksonville (JAX)
Origin airport
Denver Intl.
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
American Airlines
Distance
1444 mi
Average flight time
6 hours 40 mins

Frequently asked questions

How much is an American Airlines flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
Apply the "Price (lowest to highest)" filter on Expedia to search for cheap American Airlines return flights from $277 from DEN to JAX. Affordable one-way fares from $139 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.
What is the cheapest month to fly from DEN to JAX with American Airlines?
American Airlines flights to Jacksonville are generally cheaper in the low-season months of January and November. Whether you're after a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) with American Airlines?
For cheap American Airlines fares from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX), 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 influence the overall cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.
Does American Airlines fly nonstop from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
Select our "Nonstop" filter when browsing for direct American Airlines flights from DEN to JAX. It's also a great way to compare other carriers offering the same nonstop trip.
What is the earliest American Airlines flight from DEN to JAX?
To find the earliest departures from DEN to JAX with American Airlines, filter your search by "Morning" and "Early 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.
What airports does American Airlines fly into in Jacksonville?
Jacksonville Intl. Airport (JAX) is the main Jacksonville hub for American Airlines flights from Denver Intl. Airport (DEN).
Can I change or cancel my American Airlines flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
Depending on your fare type, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it's confirmed. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when looking for flights. For more details on modifying or canceling your reservation, visit "Trips," select your flight and tick "Manage Booking."

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