$112 Cheap Flights from Jacksonville (JAX) to Denver (DEN)

View $112 flight on Fri, Nov 14, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Jacksonville to Denver (JAX-DEN)

Prices were available within the past 7 days and start at $112 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Fri, Oct 31 - Sat, Nov 1
JAX
Jacksonville
DEN
Denver
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Fri, Oct 31 from Jacksonville to Denver, returning Sat, Nov 1, priced at $253 found 2 days ago
JetBlue Airways
Fri, Jul 11 - Mon, Jul 21
JAX
Jacksonville
DEN
Denver
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Jul 11 from Jacksonville to Denver, returning Mon, Jul 21, priced at $263 found 1 hour ago
Sun Country Airlines
Mon, Aug 11 - Wed, Aug 13
JAX
Jacksonville
DEN
Denver
$273 Roundtrip, found 7 hours ago
$273
Roundtrip
found 7 hours ago
Select Sun Country Airlines flight, departing Mon, Aug 11 from Jacksonville to Denver, returning Wed, Aug 13, priced at $273 found 7 hours ago
Sun Country Airlines
Fri, Jul 4 - Tue, Jul 15
JAX
Jacksonville
DEN
Denver
$283 Roundtrip, found 1 hour ago
$283
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Fri, Jul 4 from Jacksonville to Denver, returning Tue, Jul 15, priced at $283 found 1 hour ago
Frontier Airlines
Fri, May 9 - Fri, May 23
JAX
Jacksonville
DEN
Denver
$290 Roundtrip, found 13 hours ago
$290
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from Jacksonville to Denver, returning Fri, May 23, priced at $290 found 13 hours ago
Sun Country Airlines
Mon, May 19 - Thu, May 29
JAX
Jacksonville
DEN
Denver
$293 Roundtrip, found 1 hour ago
$293
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Mon, May 19 from Jacksonville to Denver, returning Thu, May 29, priced at $293 found 1 hour ago
Sun Country Airlines
Fri, May 16 - Fri, May 30
JAX
Jacksonville
DEN
Denver
$297 Roundtrip, found 10 hours ago
$297
Roundtrip
found 10 hours ago
Select Sun Country Airlines flight, departing Fri, May 16 from Jacksonville to Denver, returning Fri, May 30, priced at $297 found 10 hours ago
Sun Country Airlines
Fri, May 9 - Tue, May 20
JAX
Jacksonville
DEN
Denver
$297 Roundtrip, found 3 days ago
$297
Roundtrip
found 3 days ago
Select Sun Country Airlines flight, departing Fri, May 9 from Jacksonville to Denver, returning Tue, May 20, priced at $297 found 3 days ago
Southwest Airlines
Tue, Jun 3 - Tue, Jun 24
JAX
Jacksonville
DEN
Denver
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Jun 3 from Jacksonville to Denver, returning Tue, Jun 24, priced at $318 found 2 days ago
United
Wed, May 14 - Sat, May 24
JAX
Jacksonville
DEN
Denver
$323 Roundtrip, found 1 hour ago
$323
Roundtrip
found 1 hour ago
Select United flight, departing Wed, May 14 from Jacksonville to Denver, returning Sat, May 24, priced at $323 found 1 hour ago
Flights from Jacksonville (JAX) to Denver (DEN)
Origin airport
Jacksonville Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$253
Distance
1444 mi

Jacksonville to Denver Flights

The cheapest times to fly from Jacksonville to Denver

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 Jacksonville to Denver are during the month of October. You can find some of the cheapest flights from Jacksonville to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Jacksonville to Denver

Sunday is one of the best days to book for cheap flights from Jacksonville to Denver: 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 Jacksonville to Denver

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 Jacksonville to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $112 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 Jacksonville to Denver 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 Jacksonville to Denver 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 Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) cost?
Grab cheap return fares starting at $323 from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and United flight leaving JAX on May 14 2025 and touching down at DEN. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from JAX to DEN?
The cheapest flights from JAX to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
Jump on a direct flight with Southwest Airlines and go straight from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from JAX to DEN?
With prices starting from $162 for a one-way journey from JAX to DEN, United is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from JAX on June 3 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
With an average of 2 direct flights departing from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) daily, you’ll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
Flights between JAX and DEN are their busiest at 4 PM. For a more relaxed experience and potentially cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from JAX to DEN?
If you depart on a Friday, you’ll get the widest range of options for flights from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN).
What is the earliest flight from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
Take the earliest flight at around 7:00AM UTC-5, leaving from Jacksonville Intl. Airport (JAX). You’ll be traveling for about 4h 5m, landing at Denver Intl. Airport (DEN) at approximately 9:05AM UTC-7.
How long does it take to fly from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
Flights from JAX to DEN have an average travel time of 4 hours and 1 minute. The total distance between these two airports is 1,450 mi.
What airline has the least delays from JAX to DEN?
With 92% of journeys typically arriving on schedule, Southwest Airlines has the best on-time performance for direct flights from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN). To keep track of your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
To avoid possible delays on the Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Denver from Jacksonville Intl. Airport (JAX)?
If you’re taking a direct flight from Jacksonville Intl. Airport (JAX) to Denver, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) last-minute?
Booking your ticket from JAX to DEN just before your getaway is usually more expensive. However, if you’re flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a JAX to DEN flight and hotel package?
Compared with arranging hotels and flights separately, booking a JAX to DEN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN)?
If you reserved your JAX to DEN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.