Cheap Flights from Denver to Jacksonville International

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Flight deals from Denver to Jacksonville International Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Jacksonville International Airport? If you want to travel next month, return fares start from R 3,889. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Jacksonville International

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

Direct flights from Denver to Jacksonville International

Denver to Jacksonville International: Alternative routes

Compare routes from Denver 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 foundR 1,870
Cheapest month to flyApril
Average flight time3 hrs, 19 mins
Most popular airlineSouthwest Airlines
Average flights per week20

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

The best price we found for a return flight from Denver to Jacksonville International is R 3,889. 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 19 minutes is the average flight time from Denver to Jacksonville International.
Southwest Airlines and United fly direct from Denver to Jacksonville International.
As of March 2026, there are 20 flights per week flying from Denver to Jacksonville International.
The cheapest month to fly from Denver to Jacksonville International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Jacksonville International Airport on Wednesday, 29 April 2026.
Yes – the average flight time is 3 hours and 19 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.

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

  • Start your trip at Denver International Airport (DEN), the main airport in Denver. Search for flights from Denver to Jacksonville International Airport (JAX) that take off from this terminal.

  • 3 hours 20 minutes is the average journey time for a direct Denver to Jacksonville International Airport flight.

  • The timezone in Jacksonville is UTC-4, which is two hours ahead of Denver. Jacksonville International Airport is located in Jacksonville.

  • Denver International Airport (DEN) to Jacksonville International Airport (JAX) is the most popular route. There are 14 direct weekly departures to pick from. If you have plans before you fly, hop on the last flight with Southwest Airlines at 7pm. Opt for the first DEN to JAX departure operated by Southwest Airlines at 9:30am if you'd rather get going earlier.

  • Get to the airport on time so you don't miss your flight from Denver to JAX. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Heading off during a peak time like a bank holiday? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Denver

Denver International Airport (DEN)

  • Get to your destination in one go from Denver International Airport (DEN). Direct flights from Denver to Jacksonville International Airport (JAX) operate from here.

  • You'll find a direct flight from Denver to Jacksonville International Airport with United Airlines. This popular airline offers services from DEN.

  • United Airlines is the airline most travellers choose for flights from DEN to JAX.

  • The top on-time carrier on this route is United Airlines. Its services arrive without delay 75.89% of the time.

  • Located around 40 kilometres from the centre of Denver, DEN can be reached in about 35 minutes by car (depending on traffic). The journey by public transport is roughly 1 hour 30 minutes.

  • Get your flight from Denver to Jacksonville International Airport off to a stress-free start. Only a quick drive from Denver International Airport, stay at Baymont by Wyndham Denver International Airport and be well-rested for the journey ahead.

  • Denver International Airport has a solid on-time record, so you're unlikely to face delays. Departures from DEN arrive at their destination as scheduled 80.23% of the time.

  • DEN is located at 8500 Pena Boulevard.

About Jacksonville International Airport (JAX)

Getting from Jacksonville International Airport (JAX) to central Jacksonville

  • Jacksonville International Airport to the centre of Jacksonville is about 18 kilometres. If you're taking a cab or renting a car, plan ahead to make your trip as easy as possible. Journey times may vary depending on traffic and the time of day.

  • When travelling by public transport, expect a journey of around 1 hour 20 minutes.

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

  • Right now, R 1,870 is the best price we've found for a one-way ticket from Denver to Jacksonville International Airport. The cheapest price for a return flight is R 3,889. Remember fares may change due to demand at the time of booking.

  • To find cheap flights from Denver to JAX, book early. Airlines tend to offer lower prices when tickets are first released.

  • Affordable Denver to Jacksonville International Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.

  • Snapping up a cheap plane ticket from Denver to JAX is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a price drop.

  • Discover the best deal on a flight from Denver to Jacksonville International Airport with the help of the filters. Choose your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Denver to Jacksonville International Airport (JAX)

  • It's time to figure out when to book your flight from Denver to Jacksonville International Airport (JAX). July is the most popular month to visit Jacksonville. If you like things a bit more low-key, head there in May.

  • Book a Denver to JAX plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Jacksonville to range from 23ºC (73ºF) to 34ºC (93ºF).

  • If you like cooler conditions, search for a cheap ticket from Denver to Jacksonville International Airport in January when temperatures are between 5ºC (41ºF) and 21ºC (70ºF).

More about Jacksonville

  • After booking your flight from Denver to Jacksonville International Airport, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Jacksonville:

  • Your Jacksonville visit wouldn't be complete without a bit of sightseeing. Big-name attractions that are worth your time include St. John's Cathedral, San Marco Historic District and Museum of Contemporary Art Jacksonville.

Explore more of the United States

  • You've visited Jacksonville, now it's time to discover more of the United States. Travel around 290 kilometres south to Tampa to tick off its leading sights. From Super Bowl to Busch Gardens Tampa and The Florida Aquarium, your itinerary will be busy.

  • Orlando is another well-known destination in the United States and is around 225 kilometres south of Jacksonville. No trip is complete without a visit to Hogwarts, Universal's Islands of Adventure and Hogwarts Express.

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