$118 Cheap Flights from Denver (DEN) to Jacksonville (JAX)

View $118 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Jacksonville International Airport (JAX)

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Cheap Flights from Denver to Jacksonville (DEN-JAX)

Prices were available within the past 7 days and start at $118 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Sep 25 - Thu, Oct 2
DEN
Denver
JAX
Jacksonville
$225 Roundtrip, found 1 day ago
$225
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Denver to Jacksonville, returning Thu, Oct 2, priced at $225 found 1 day ago
Southwest Airlines
Tue, Nov 11 - Thu, Nov 13
DEN
Denver
JAX
Jacksonville
$241 Roundtrip, found 10 hours ago
$241
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Tue, Nov 11 from Denver to Jacksonville, returning Thu, Nov 13, priced at $241 found 10 hours ago
Frontier Airlines
Wed, Aug 27 - Thu, Sep 4
DEN
Denver
JAX
Jacksonville
$242 Roundtrip, found 2 hours ago
$242
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Aug 27 from Denver to Jacksonville, returning Thu, Sep 4, priced at $242 found 2 hours ago
Frontier Airlines
Sun, Oct 26 - Thu, Oct 30
DEN
Denver
JAX
Jacksonville
$245 Roundtrip, found 6 hours ago
$245
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Denver to Jacksonville, returning Thu, Oct 30, priced at $245 found 6 hours ago
United
Tue, Nov 11 - Thu, Nov 13
DEN
Denver
JAX
Jacksonville
$246 Roundtrip, found 10 hours ago
$246
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Nov 11 from Denver to Jacksonville, returning Thu, Nov 13, priced at $246 found 10 hours ago
Frontier Airlines
Thu, Oct 30 - Thu, Nov 6
DEN
Denver
JAX
Jacksonville
$248 Roundtrip, found 16 hours ago
$248
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Denver to Jacksonville, returning Thu, Nov 6, priced at $248 found 16 hours ago
Frontier Airlines
Sun, Oct 26 - Mon, Oct 27
DEN
Denver
JAX
Jacksonville
$251 Roundtrip, found 12 hours ago
$251
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Denver to Jacksonville, returning Mon, Oct 27, priced at $251 found 12 hours ago
United
Tue, Sep 9 - Thu, Sep 11
DEN
Denver
JAX
Jacksonville
$252 Roundtrip, found 10 hours ago
$252
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 9 from Denver to Jacksonville, returning Thu, Sep 11, priced at $252 found 10 hours ago
JetBlue Airways
Fri, Oct 24 - Thu, Oct 30
DEN
Denver
JAX
Jacksonville
$256 Roundtrip, found 1 hour ago
$256
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Oct 24 from Denver to Jacksonville, returning Thu, Oct 30, priced at $256 found 1 hour ago
Delta
Tue, Oct 21 - Mon, Oct 27
DEN
Denver
JAX
Jacksonville
$262 Roundtrip, found 1 hour ago
$262
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Oct 21 from Denver to Jacksonville, returning Mon, Oct 27, priced at $262 found 1 hour ago

Find the cheapest month to fly from Denver (DEN) to Jacksonville (JAX)

November is typically the cheapest month to fly

From $135 - $526 per traveler.

Graph displaying average flight prices per month

Alternative airports near Jacksonville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Jacksonville Intl. JAX. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $242
JAX
Jacksonville Intl.
Cheapest
Average driving time to city center19 min
Flights from $242
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
Roundtrip price
$224
Distance
1444 mi
Average flight time
5 hours 20 mins

Denver to Jacksonville Flights

The cheapest times to fly from Denver to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Jacksonville are during the month of September. You can find some of the cheapest flights from Denver to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Jacksonville

Sunday is one of the best days to book for cheap flights from Denver to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) cost?
Secure a cheap one-way flight from $118 or cheap return flight from $225 from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
September is the cheapest month to fly from DEN to JAX. Traveling during quieter months is often the key to finding a great deal.
Which airlines fly direct from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
Fly directly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) on a Southwest Airlines flight.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
While prices may vary depending on your travel dates, United Airlines and Southwest Airlines are often among the top picks for flights between Denver Intl. Airport (DEN) and Jacksonville Intl. Airport (JAX). You can also compare airlines on Expedia and use the "Sort by" filter to find the lowest-priced ticket for your DEN to JAX flight.
How many flights per day from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
When flying out of Denver Intl. Airport (DEN), you can choose from an average of 2 daily nonstop flights to Jacksonville Intl. Airport (JAX).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
The 9 AM departures from DEN to JAX are the busiest. Prices can be higher for these popular slots. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from DEN to JAX?
Monday offers the most flights from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
The first flight of the day leaving Denver Intl. Airport (DEN) is at around 9:47AM UTC-7. Catch this flight and you'll land at Jacksonville Intl. Airport (JAX) at approximately 3:10PM UTC-5. The entire trip takes 3h 23m.
How long does it take to fly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
It takes approximately 3 hours and 19 minutes to travel the 1,450 mi from DEN to JAX.
What is the best time to fly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
To arrive at Jacksonville Intl. Airport (JAX) on time, select a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Jacksonville from Denver Intl. Airport (DEN)?
Explore your flight options from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX). This is the only Jacksonville airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) last-minute?
Last-minute bookings from DEN to JAX are generally more expensive. To secure the lowest rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Is it cheaper to book a DEN to JAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEN to JAX flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
If you booked your DEN to JAX flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.