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

Save on Flight Bookings!

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

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save on select hotels after you book a flight*
  • Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How long does it take to fly from Jacksonville Intl. Airport to DEN?
A direct flight with United Airlines takes about 3 hours and 59 minutes. Step on board the 4:15PM flight from JAX and reach DEN at 6:14PM. Snag a fantastic deal on this and many other routes when you book with Expedia.
Is it cheaper to buy a plane ticket from Jacksonville Intl. Airport (JAX) to DIA airport last minute?
When it's time to book your flights, being prepared pays off. While it may be possible to pick up a deal on a JAX to Denver Intl. Airport (DEN) flight at the last minute, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it's between three and four months.
What airports do you fly into for Denver from Jacksonville?
From Jacksonville, you can connect to Denver via Denver Intl. Airport (DEN), Centennial Airport (APA) and Broomfield, CO (BJC-Rocky Mountain Metropolitan). Research which airport is right for you before you make a decision. If you go with Denver Intl. Airport (DEN), it's about 31 kilometers east of the downtown area. Use the money you save when booking your journey with Expedia to discover the city's top attractions, such as Empower Field at Mile High and Coors Field.
What are the most popular departure times for flights from Jacksonville Intl. Airport (JAX) to DIA airport?
Between 4:00 PM - 5:00 PM is when you'll find many United Airlines flights making their way from JAX to Denver Airport. Our useful tip? Get up and away earlier in the day. With air traffic yet to build up around airports, your odds of boarding a delay-free flight are higher.
Can I change the date of my flight from Jacksonville Intl. Airport to Denver Airport?
Plans can get upended, so Expedia is here to help make amending your journey easy. First, find your JAX to DEN itinerary through the Expedia Trips portal and read the ticket rules to see if change fees apply. If you booked your ticket in the last 24 hours, some carriers will let you cancel for free and book new flights. If you bought your ticket more than 24 hours ago, contact us via our Customer Service portal to run through your options.

Travel information

Origin airport
Jacksonville Intl.
Destination airport
Denver Intl.
Distance
2311 km
Average flight time
2 hours 32 mins

Book with confidence