Southwest® flights from Jacksonville to Denver from $128

Promo Code

Low fares from Jacksonville to Denver

$

Jacksonville (JAX)to

Denver (DEN)
Depart: 12/12/2026

One-way

Basic

From
$128
Seen: 12 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 11/17/2026

One-way

Basic

From
$128
Seen: 5 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 12/07/2026

One-way

Basic

From
$128
Seen: 3 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 11/18/2026

One-way

Basic

From
$128
Seen: 1 hour ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 01/13/2027

One-way

Basic

From
$128
Seen: 2 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 01/23/2027

One-way

Basic

From
$128
Seen: 8 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Jacksonville to Denver

Oct 2026
From$457*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$128*
Seen: 5 hrs ago
One Way/Basic
Dec 2026
From$128*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $128
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for October-2026
  • JAX–DEN, 10/23/2026: From $614
    23

    Fri

    OCT

  • JAX–DEN, 10/24/2026: From $614
    24

    Sat

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • JAX–DEN, 10/26/2026: From $614
    26

    Mon

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • JAX–DEN, 10/28/2026: From $614
    28

    Wed

  • JAX–DEN, 10/29/2026: From $457
    29

    Thu

  • JAX–DEN, 10/30/2026: From $457
    30

    Fri

  • JAX–DEN, 10/31/2026: From $457
    31

    Sat

  • JAX–DEN, 11/01/2026: From $457
    01

    Sun

    NOV

  • JAX–DEN, 11/02/2026: From $457
    02

    Mon

  • JAX–DEN, 11/03/2026: From $457
    03

    Tue

  • JAX–DEN, 11/04/2026: From $457
    04

    Wed

  • JAX–DEN, 11/05/2026: From $331
    05

    Thu

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    06

    Fri

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • JAX–DEN, 11/08/2026: From $341
    08

    Sun

  • JAX–DEN, 11/09/2026: From $138
    09

    Mon

  • JAX–DEN, 11/10/2026: From $138
    10

    Tue

  • JAX–DEN, 11/11/2026: From $138
    11

    Wed

  • JAX–DEN, 11/12/2026: From $143
    12

    Thu

  • JAX–DEN, 11/13/2026: From $142
    13

    Fri

  • JAX–DEN, 11/14/2026: From $138
    14

    Sat

  • JAX–DEN, 11/15/2026: From $152
    15

    Sun

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • JAX–DEN, 11/17/2026: From $128
    17

    Tue

  • JAX–DEN, 11/18/2026: From $128
    18

    Wed

  • JAX–DEN, 11/19/2026: From $138
    19

    Thu

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • JAX–DEN, 11/21/2026: From $138
    21

    Sat

  • JAX–DEN, 11/22/2026: From $152
    22

    Sun

    • Range$128-$614

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Jacksonville International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    3 hours 44 minutes
    Distance:
    1447 miles

    Questions we hear the most

    The average flight time from Jacksonville to Denver is 3 hours 44 minutes.
    There are 152 weekly flights from Jacksonville to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Jacksonville to Denver once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Jacksonville to Denver once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Jacksonville to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from Jacksonville to Denver—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

    Explore Flights from Other Popular Origins

    Popular Flights from Jacksonville