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

View AU$635 flight on Sat, 9 Aug. 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

November is typically the cheapest month to fly

From AU$210 - AU$689 per traveller.

Graph displaying average flight prices per month

Flight from Jacksonville to Denver route information
Origin airport
Jacksonville Intl.
Destination airport
Denver Intl.
Distance
2311 km
Average flight time
1 hour 39 mins

Your quick guide to flights from Jacksonville to Denver

Pick up great flights from Jacksonville to Denver

With Expedia, you have your pick of flights a day with 3 airlines covering flights from Jacksonville to Denver. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Jacksonville to Denver that take around hours.

Find cheap flights from Jacksonville to Denver

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Jacksonville to Denver around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Denver is normally in .

Reasons to book your flight from Jacksonville to Denver with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Jacksonville to Denver across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Denver right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Jacksonville Intl. Airport to DEN?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Jacksonville Intl. Airport (JAX) and Denver Airport was . Fares this cheap don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from JAX to DIA airport?
Most flights can be cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Jacksonville Intl. Airport to DEN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Jacksonville Intl. Airport (JAX) to Denver Intl. Airport (DEN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from JAX to DEN?
Around 2 300 kilometres separates Jacksonville and Denver, so pack some in-flight entertainment to help you fill in a few hours. That action-packed novel you haven't finished will be perfect.
Which airlines fly direct from Jacksonville Intl. Airport (JAX) to Denver Airport?
With 30 flights every month from Jacksonville Intl. Airport (JAX) to DIA airport, United Airlines (UA) is a top choice. Another carrier operating on this route is Frontier Airlines (F9). You'll have 8 flights a month to select from.
Are JAX to DIA airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute flight deals between Jacksonville Intl. Airport (JAX) and Denver Airport are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to lock in your seat when the fares dip.

Explore a world of travel with Expedia

*Available to Expedia members.