$142 Cheap Flights from Denver (DEN) to Jacksonville (JAX)

View $142 flight on Sun, Aug 10, 2025Opens in a new window
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Cheap Flights from Denver to Jacksonville (DEN-JAX)

Prices were available within the past 7 days and start at $142 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, May 29 - Sat, Jun 7
DEN
Denver
JAX
Jacksonville
$263 Roundtrip, found 5 hours ago
$263
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Thu, May 29 from Denver to Jacksonville, returning Sat, Jun 7, priced at $263 found 5 hours ago
JetBlue Airways
Fri, Aug 29 - Mon, Sep 1
DEN
Denver
JAX
Jacksonville
$273 Roundtrip, found 15 hours ago
$273
Roundtrip
found 15 hours ago
Select JetBlue Airways flight, departing Fri, Aug 29 from Denver to Jacksonville, returning Mon, Sep 1, priced at $273 found 15 hours ago
JetBlue Airways
Wed, Jul 9 - Fri, Jul 11
DEN
Denver
JAX
Jacksonville
$283 Roundtrip, found 20 hours ago
$283
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Wed, Jul 9 from Denver to Jacksonville, returning Fri, Jul 11, priced at $283 found 20 hours ago
JetBlue Airways
Tue, Jul 22 - Fri, Aug 1
DEN
Denver
JAX
Jacksonville
$283 Roundtrip, found 3 hours ago
$283
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Jul 22 from Denver to Jacksonville, returning Fri, Aug 1, priced at $283 found 3 hours ago
JetBlue Airways
Tue, Jul 29 - Mon, Aug 4
DEN
Denver
JAX
Jacksonville
$293 Roundtrip, found 6 hours ago
$293
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Tue, Jul 29 from Denver to Jacksonville, returning Mon, Aug 4, priced at $293 found 6 hours ago
JetBlue Airways
Wed, Jul 16 - Sat, Jul 26
DEN
Denver
JAX
Jacksonville
$297 Roundtrip, found 3 hours ago
$297
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Jul 16 from Denver to Jacksonville, returning Sat, Jul 26, priced at $297 found 3 hours ago
Frontier Airlines
Sat, Jun 7 - Sun, Jun 8
DEN
Denver
JAX
Jacksonville
$305 Roundtrip, found 23 hours ago
$305
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, Jun 7 from Denver to Jacksonville, returning Sun, Jun 8, priced at $305 found 23 hours ago
United
Wed, May 28 - Sat, Jun 7
DEN
Denver
JAX
Jacksonville
$308 Roundtrip, found 3 hours ago
$308
Roundtrip
found 3 hours ago
Select United flight, departing Wed, May 28 from Denver to Jacksonville, returning Sat, Jun 7, priced at $308 found 3 hours ago
Delta
Tue, Jul 1 - Fri, Jul 11
DEN
Denver
JAX
Jacksonville
$313 Roundtrip, found 3 hours ago
$313
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Jul 1 from Denver to Jacksonville, returning Fri, Jul 11, priced at $313 found 3 hours ago
Southwest Airlines
Wed, Jul 30 - Fri, Aug 8
DEN
Denver
JAX
Jacksonville
$314 Roundtrip, found 4 days ago
$314
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Jul 30 from Denver to Jacksonville, returning Fri, Aug 8, priced at $314 found 4 days ago

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) cost?
Cheap return fares from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) start at $323. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on May 21 2025 and touching down at JAX. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from DEN to JAX?
The cheapest flights from DEN to JAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
Fly directly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) on a Southwest Airlines flight.
What is the cheapest airline that flies from DEN to JAX?
Journey from DEN to JAX with United. This airline currently has the cheapest one-way fare for this route, starting at $162. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on June 11 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
When flying out of Denver Intl. Airport (DEN), you can choose from an average of 2 daily nonstop flights to Jacksonville Intl. Airport (JAX).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
The 9 AM departures from DEN to JAX are the busiest. Prices can be higher for these popular slots. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from DEN to JAX?
Monday offers the most flights from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX). Consider leaving on this day and you’ll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
The first flight of the day leaving Denver Intl. Airport (DEN) is at around 9:47AM UTC-7. Catch this flight and you’ll land at Jacksonville Intl. Airport (JAX) at approximately 3:10PM UTC-5. The entire trip takes 3h 23m.
How long does it take to fly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
It takes approximately 3 hours and 19 minutes to travel the 1,450 mi from DEN to JAX.
What is the best time to fly from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
To arrive at Jacksonville Intl. Airport (JAX) on time, select a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Jacksonville from Denver Intl. Airport (DEN)?
Explore your flight options from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX). This is the only Jacksonville airport you can land at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX) last-minute?
Last-minute bookings from DEN to JAX are generally more expensive. To secure the lowest rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Is it cheaper to book a DEN to JAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEN to JAX flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Jacksonville Intl. Airport (JAX)?
If you booked your DEN to JAX flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.
*Available to One Key members.