$98 Cheap Flights from Jacksonville (JAX) to Denver (DEN)

Jacksonville (JAX) to Denver (DEN) at a glance

Travel from Jacksonville (JAX) to Denver (DEN) with a variety of airlines offering weekly flights on this domestic short-haul route. Discover affordable airfare tickets and compare options from full-service and low-cost carriers to find a flight that suits your budget and schedule. Whether you're eager to explore Denver's iconic attractions or its vibrant neighborhoods, you can easily find key details for flights from Jacksonville International Airport to Denver International Airport.

• Fastest flight duration: around 4 hours non-stop
• Route distance: roughly 1,400 miles (2,250 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $100–$520, depending on seasonality and how far ahead you book

Flights from Jacksonville International Airport (JAX) to Denver International Airport (DEN)

According to recent traveler bookings, here are the top airlines preferred for flights from Jacksonville to Denver, featuring both non-stop and one-stop options. Many passengers opt for layovers at popular hubs such as Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 15 minutes, Dallas-Fort Worth International Airport (DFW) with approximately 1 hour and 30 minutes, and Charlotte-Douglas International Airport (CLT) also at around 1 hour and 15 minutes. This allows you to tailor your travel plans by balancing price, total travel time, and cabin class to secure the ideal itinerary.

• United: This major airline provides both non-stop and one-stop flights, commanding around 43% of departures on this route. One-way ticket prices typically range from $130 to $525, and expect a direct flight duration of approximately 4 hours.
• Southwest Airlines: Known for its budget-friendly fares, this carrier offers both non-stop and one-stop options, accounting for about 25% of departures. One-way prices generally fall between $125 and $530, with a non-stop flight time of around 4 hours.
• American Airlines: This full-service airline features one-stop services, representing roughly 13% of flights on this route. One-way fares usually range from $100 to $520, with in-flight duration averaging 5 hours and a total travel time of about 6 hours and 30 minutes, including layovers.
• Delta: Another full-service option, Delta provides one-stop services and holds about 10% of departures on this route. Fares for one-way flights typically range from $110 to $620, with an in-flight time around 5 hours and a total journey duration of roughly 6 hours and 30 minutes.
• Frontier Airlines: This low-cost carrier offers one-stop flights, covering approximately 7% of departures. One-way fares usually range from $100 to $275, with an in-flight time of 5 hours and an overall travel duration of around 6 hours and 30 minutes, including layover time.

Travelers flying from Jacksonville to Denver can enhance their journey by upgrading to first class or premium economy, with options available through both United and Delta for a more comfortable experience.

Best time to fly from Jacksonville (JAX) to Denver (DEN)

The most popular months for travelers flying from Jacksonville to Denver are March, April, and December, when peak temperatures in Denver reach up to 45.3°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 65.1°F. For better deals, August usually offers the lowest average one-way fare around $229. Flight availability peaks in December, with approximately 32 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 18 flights per week.

• Cheapest time to fly: August usually offers good deals with average one-way fare around $229, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: September, May, and October typically offer average one-way fares of around $246.
• Most flight options: December has the highest number of flights from Jacksonville to Denver, with approximately 32 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Jacksonville (JAX) to Denver (DEN)

• Jacksonville to Colorado Springs (JAX-COS): Colorado Springs Airport (COS) is located approximately 73 miles from Denver International Airport (DEN). One-way economy fares for this journey generally fall between $140 and $440, varying based on the season and how far in advance you book. Travelers can find options with one or multiple stops, with common layover points at Dallas-Fort Worth International Airport (DFW) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines operating this route include American Airlines and Delta, and first-class service is also available.
• Gainesville to Denver (GNV-DEN): Gainesville Regional Airport (GNV) is about 66 miles from Jacksonville International Airport (JAX). One-way economy fares on this route typically range from $215 to $550, influenced by the season and booking timing. This route usually features one-stop flights, with popular layover airports being Hartsfield-Jackson Atlanta International Airport (ATL) and Dallas-Fort Worth International Airport (DFW). Leading airlines for this journey include American Airlines and Delta, with first-class options offered as well.

How to find the best prices for flights from Jacksonville (JAX) to Denver (DEN)

Getting some of the best deals on flights from Jacksonville to Denver is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2 to 8 weeks ahead. Evening departures between 6 PM and midnight often offer lower prices, while morning flights from 5 AM to noon are the most popular. Additionally, flying on Tuesday generally yields cheaper rates, but Thursday is the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Denver International Airport from Jacksonville International Airport

Denver welcomes travelers from Jacksonville with a range of transport options based on price, convenience, and proximity. Here's how to reach Denver efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Denver, with private rides that can be arranged in advance.
• Car rental: Renting a car from Denver International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Denver International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Denver International Airport, Jeppesen Terminal Station, a metro station, is just a short 0.1 miles away on foot, providing easy access to the city’s metro connections.

Jacksonville to Denver Flights

The cheapest times to fly from Jacksonville to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jacksonville to Denver are during the month of December. You can find some of the cheapest flights from Jacksonville to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Jacksonville to Denver

Sunday is one of the best days to book for cheap flights from Jacksonville to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Jacksonville to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jacksonville to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $98 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jacksonville to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jacksonville to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.