Southwest® flights from Jacksonville to Denver from $129

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Low fares from Jacksonville to Denver

$

Jacksonville (JAX)to

Denver (DEN)
Depart: 10/03/2026

One-way

Basic

From
$129
Seen: 20 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 11/02/2026

One-way

Basic

From
$129
Seen: 17 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 10/31/2026

One-way

Basic

From
$129
Seen: 20 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 10/29/2026

One-way

Basic

From
$129
Seen: 23 hrs ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 11/26/2026

One-way

Basic

From
$129
Seen: 48 minutes ago

Jacksonville (JAX)to

Denver (DEN)
Depart: 11/21/2026

One-way

Basic

From
$129
Seen: 20 hrs ago

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Explore flights from Jacksonville to Denver

Aug 2026
From$427*
Seen: 5 hrs ago
One Way/Basic
Sep 2026
From$129*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$129*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $584
Displaying fares for August-2026
  • JAX–DEN, 08/21/2026: From $584
    21

    Fri

    AUG

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • JAX–DEN, 08/23/2026: From $584
    23

    Sun

  • JAX–DEN, 08/24/2026: From $584
    24

    Mon

  • JAX–DEN, 08/25/2026: From $584
    25

    Tue

  • JAX–DEN, 08/26/2026: From $584
    26

    Wed

  • JAX–DEN, 08/27/2026: From $427
    27

    Thu

  • JAX–DEN, 08/28/2026: From $427
    28

    Fri

  • JAX–DEN, 08/29/2026: From $427
    29

    Sat

  • JAX–DEN, 08/30/2026: From $427
    30

    Sun

  • JAX–DEN, 08/31/2026: From $427
    31

    Mon

  • JAX–DEN, 09/01/2026: From $427
    01

    Tue

    SEP

  • JAX–DEN, 09/02/2026: From $427
    02

    Wed

  • JAX–DEN, 09/03/2026: From $311
    03

    Thu

  • JAX–DEN, 09/04/2026: From $301
    04

    Fri

  • JAX–DEN, 09/05/2026: From $301
    05

    Sat

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

    Sun

  • JAX–DEN, 09/07/2026: From $301
    07

    Mon

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • JAX–DEN, 09/09/2026: From $301
    09

    Wed

  • JAX–DEN, 09/10/2026: From $129
    10

    Thu

  • JAX–DEN, 09/11/2026: From $153
    11

    Fri

  • JAX–DEN: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • JAX–DEN, 09/13/2026: From $278
    13

    Sun

  • JAX–DEN, 09/14/2026: From $153
    14

    Mon

  • JAX–DEN, 09/15/2026: From $139
    15

    Tue

  • JAX–DEN, 09/16/2026: From $193
    16

    Wed

  • JAX–DEN, 09/17/2026: From $278
    17

    Thu

  • JAX–DEN, 09/18/2026: From $278
    18

    Fri

  • JAX–DEN, 09/19/2026: From $129
    19

    Sat

  • JAX–DEN, 09/20/2026: From $222
    20

    Sun

    • Range$129-$584

    *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

    Route Information

    152† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    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.

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