Cheap Flights from Jacksonville International to Denver

Compare Jacksonville International to Denver flight deals

Find the cheapest month or even day of the year to fly to Denver

Book the best Denver fare with no extra fees

Flight deals from Jacksonville International Airport to Denver

Looking for a cheap last-minute deal or the best return flight from Jacksonville International Airport to Denver? If you want to travel next month, return fares start from R 3,931. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to Denver

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

Direct flights from Jacksonville International to Denver

Alternative Jacksonville International to Denver routes

Looking for the cheapest, fastest or easiest route from Jacksonville International to Denver? You could fly into the following airports instead.

Jacksonville to Denver: Flight information

The things to know before you go.
Cheapest flight foundR 1,788
Average flight time3 hrs, 47 mins
Most popular airlineUnited
Average flights per week40

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

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Jacksonville International to Denver is R 3,581. 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 47 minutes is the average flight time from Jacksonville International to Denver.
United and Southwest Airlines fly direct from Jacksonville International to Denver.
As of March 2026, there are 40 flights per week flying from Jacksonville International to Denver.
The cheapest month to fly from Jacksonville International to Denver is usually April.
If you're flying from Jacksonville International Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from R 3,581.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to Denver on Thursday, 30 April 2026.
Yes – the average flight time is 3 hours and 47 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 Denver 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Denver.

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

  • Around 3 hours 20 minutes is how long you can expect to be in the air on a direct flight from Jacksonville International Airport to Denver.

  • The timezone in Denver is UTC-6. The city is two hours behind Jacksonville, where Jacksonville International Airport is located.

  • The most popular route is from Jacksonville International Airport (JAX) to Denver International Airport (DEN). Choose from 14 services every week between these two airports. If you want to head off as soon as possible, the earliest flight from JAX to DEN is the 05:00 Southwest Airlines option. If you prefer to leave later in the day, the final departure is at 17:55 with Southwest Airlines.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your JAX to Denver flight.

  • If you're flying during a major holiday or another peak period, allow extra time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • Begin your trip at JAX and travel nonstop to Denver International Airport (DEN). That's where you can expect to touch down when searching for Jacksonville International Airport to Denver tickets.

  • Keep an eye out for deals with United Airlines. This carrier has direct flights from Jacksonville International Airport to Denver.

  • Travelling from central Jacksonville to JAX takes about 1 hour 20 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 18 kilometres in 15 minutes or so, depending on traffic conditions.

  • Booked an early flight from Jacksonville International Airport to Denver? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near JAX:

  • Jacksonville International Airport scores top marks for its on-time performance. 80.42% of flights that depart JAX reach their destination without delay.

  • JAX's address is 2400 Yankee Clipper Drive.

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

  • R 1,788 is the cheapest price we've seen for a one-way Jacksonville International Airport to Denver flight. A return ticket right now is R 3,581. Depending on when and how early you book, these fares may change.

  • Score cheap flights from JAX to Denver by booking two months ahead. According to our research, that's the sweet spot for landing a bargain.

  • June is the best month for nabbing an awesome deal on Jacksonville International Airport to Denver tickets. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time looking for cheap flights from JAX to Denver by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Jacksonville International Airport to Denver by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) is around 40 kilometres from central Denver. If you're grabbing a cab or a ride-share, the drive takes about 35 minutes.

  • If you're taking public transport, expect a journey time of around 1 hour 30 minutes.

  • Consider checking in to Baymont by Wyndham Denver International Airport after touching down from your flight from Jacksonville International Airport to Denver. It's a short drive from DEN and a good option if you'd like to relax as soon as possible.

  • Begin your adventure by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's main sights.

  • Lock in the best rate by booking your ride from Denver International Airport around one week before your flight from JAX to Denver.

  • DEN is located at 8500 Pena Boulevard.

Best time to go to Denver

  • Visit Denver during the high season if you want a lively atmosphere, but remember that hotel prices are typically higher. Alternatively, book flights from Jacksonville International Airport to Denver in the low season when prices are cheaper and it's not as busy.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your Jacksonville International Airport to Denver flight ticket then if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from JAX to Denver in January when temperatures average between -9ºC (16ºF) and 7ºC (45ºF).

More about Denver

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Denver right here. Check out these hotels once you've locked in your flight from Jacksonville International Airport to Denver:

  • There are so many things to explore in this city it can be hard to work out where to begin. Union Station, Denver Art Museum and Denver Botanic Gardens are top attractions which should feature on any good Denver itinerary.

Explore more of United States

  • Denver will leave a lasting impression, but there are so many other parts of United States waiting to be explored. About 105 kilometres south of Denver, a visit to Colorado Springs will keep your itinerary packed. Don't miss top attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 161 kilometres south of Denver, Pueblo is another favourite stop in United States. No visit is complete without checking out Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

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