Cheap Flights from Denver International to Jacksonville International

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Flight deals from Denver International to Jacksonville International

Looking for a cheap last-minute deal or the best return flight from Denver International to Jacksonville International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Jacksonville International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Jacksonville International flights are currently cheapest in July.

Direct flights from Denver International to Jacksonville International

Denver International to Jacksonville International: Alternative routes

Compare routes from Denver International to Jacksonville below. You may find an airport to fly into that's cheaper, faster, or easier than Jacksonville International.

Denver to Jacksonville: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 3,738
Cheapest month to flyJuly
Average flight time3 hrs, 18 mins
Most popular airlineUnited
Average flights per week16

Finding cheap flights from Denver International to Jacksonville International: Frequently asked questions

The best price we found for a return flight from Denver International to Jacksonville International is ج.م.‏ 7,476. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 18 minutes is the average flight time from Denver International to Jacksonville International.
United and Southwest Airlines fly direct from Denver International to Jacksonville International.
As of May 2025, there are 16 flights per week flying from Denver International to Jacksonville International.
The cheapest month to fly from Denver International to Jacksonville International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Jacksonville International Airport on Tuesday, 2 September 2025.
Yes – the average flight time is 3 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Jacksonville International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Jacksonville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Jacksonville International.

Travelling from Denver International Airport (DEN) to Jacksonville International Airport (JAX): what you need to know

  • The average duration of a direct flight from Denver International Airport to Jacksonville International Airport is 3 hours 15 minutes.

  • Jacksonville is two hours ahead of Denver and observes the UTC-4 timezone.

  • Every week, there are 16 Denver International Airport to Jacksonville International Airport flights. If you prefer to jet off as early as possible, go for the 08:45 Southwest Airlines flight. If you'd rather make the most of your time before flying, the last flight is at 18:55 with Southwest Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your DEN to JAX flight.

  • During popular months such as July, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

  • United Airlines has direct flights from Denver International Airport to Jacksonville International Airport. Book with this popular carrier, then get ready to see the sights in Jacksonville — and maybe even more of United States if you have time.

  • Most passengers choose to fly with United Airlines on this route.

  • With 75.89% of services landing on schedule, United Airlines is the most punctual carrier offering DEN to JAX flights.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Denver International Airport to Jacksonville International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Worthwhile stopovers between DEN and JAX include:

    • Hartsfield-Jackson Atlanta International Airport

    • Louis Armstrong New Orleans International Airport

    • Dallas Love Field Airport

How to find the cheapest flights from Denver International Airport (DEN) to Jacksonville International Airport (JAX)

  • ج.م.‏ 3,738 is the lowest price for a one-way Denver International Airport to Jacksonville International Airport flight. A return flight starts from ج.م.‏ 7,476. These prices can change depending on availability.

  • Get cheap tickets from DEN to JAX by booking at least six months ahead. According to our research, that's the sweet spot for finding a bargain.

  • May is the cheapest month for flights from Denver International Airport to Jacksonville International Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll update you the moment there's a new deal on cheap flights from DEN to JAX.

  • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Denver International Airport to Jacksonville International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Denver International Airport (DEN)

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport scores high marks for on-time performance. 80.23% of flights that take off from DEN reach their destination on time.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The trip on public transport takes roughly 1 hour 30 minutes.

  • Want a hotel to stay in before your flight from Denver International Airport to Jacksonville International Airport? Consider Baymont by Wyndham Denver International Airport. Catch some z's here before heading to DEN.

Arriving at Jacksonville International Airport (JAX)

Getting from Jacksonville International Airport (JAX) to central Jacksonville

  • You'll find JAX at 2400 Yankee Clipper Drive.

  • From Jacksonville International Airport, Jacksonville is approximately 23 kilometres away. It takes around 15 minutes to reach the centre driving.

  • If you're travelling by public transport, expect a journey time of about 1 hour 20 minutes.

When to fly to Jacksonville International Airport (JAX)

  • The quietest month for a flight from Denver International Airport to Jacksonville International Airport is May, while July is the most popular. Pick the best time to visit Jacksonville based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Denver International Airport to Jacksonville International Airport for July if you want to visit Jacksonville during its warmest month. Expect temperatures of between 23ºC and 34ºC.

  • For cooler conditions, look for a cheap ticket from DEN to JAX in January. Average temperatures are between 5ºC and 21ºC then.

Explore more of United States

  • Jacksonville has loads to offer, but there are so many other corners of United States waiting to be explored. Around 467 kilometres north-west of Jacksonville, a visit to Atlanta will keep your itinerary busy. Check out popular attractions like Georgia Aquarium, Centennial Olympic Park and Piedmont Park.

  • Tampa is another standout destination in United States and is around 274 kilometres south of Jacksonville. No journey is complete without seeing Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.