Southwest® flights from Denver to Jacksonville from $129

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Low fares from Denver to Jacksonville

$

Denver (DEN)to

Jacksonville (JAX)
Depart: 10/31/2026

One-way

Basic

From
$129
Seen: 22 hrs ago

Denver (DEN)to

Jacksonville (JAX)
Depart: 10/27/2026

One-way

Basic

From
$129
Seen: 16 hrs ago

Denver (DEN)to

Jacksonville (JAX)
Depart: 01/07/2027

One-way

Basic

From
$129
Seen: 14 hrs ago

Denver (DEN)to

Jacksonville (JAX)
Depart: 10/24/2026

One-way

Basic

From
$129
Seen: 14 hrs ago

Denver (DEN)to

Jacksonville (JAX)
Depart: 11/25/2026

One-way

Basic

From
$129
Seen: 4 hrs ago

Denver (DEN)to

Jacksonville (JAX)
Depart: 12/08/2026

One-way

Basic

From
$129
Seen: 15 hrs ago

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Explore flights from Denver to Jacksonville

Try alternate month or interact with individual days below in order to find offers.
Sep 2026
No result for this month.
Oct 2026
From$129*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$129*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $604
Displaying fares for September-2026
  • DEN–JAX: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

    SEP

  • DEN–JAX, 10/01/2026: From $604
    01

    Thu

  • DEN–JAX, 10/02/2026: From $604
    02

    Fri

  • DEN–JAX, 10/03/2026: From $604
    03

    Sat

  • DEN–JAX, 10/04/2026: From $604
    04

    Sun

  • DEN–JAX, 10/05/2026: From $604
    05

    Mon

  • DEN–JAX, 10/06/2026: From $447
    06

    Tue

  • DEN–JAX, 10/07/2026: From $447
    07

    Wed

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

    Thu

  • DEN–JAX, 10/09/2026: From $457
    09

    Fri

  • DEN–JAX, 10/10/2026: From $447
    10

    Sat

  • DEN–JAX: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

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

    Mon

  • DEN–JAX, 10/13/2026: From $321
    13

    Tue

  • DEN–JAX, 10/14/2026: From $321
    14

    Wed

  • DEN–JAX, 10/15/2026: From $321
    15

    Thu

  • DEN–JAX, 10/16/2026: From $321
    16

    Fri

  • DEN–JAX, 10/17/2026: From $321
    17

    Sat

  • DEN–JAX: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • DEN–JAX, 10/19/2026: From $321
    19

    Mon

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

    Tue

  • DEN–JAX, 10/21/2026: From $139
    21

    Wed

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

    Thu

  • DEN–JAX: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • DEN–JAX, 10/24/2026: From $129
    24

    Sat

  • DEN–JAX, 10/25/2026: From $298
    25

    Sun

  • DEN–JAX: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • DEN–JAX, 10/27/2026: From $129
    27

    Tue

  • DEN–JAX, 10/28/2026: From $139
    28

    Wed

  • DEN–JAX, 10/29/2026: From $129
    29

    Thu

    • Range$129-$604

    *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:
    Denver International Airport
    Arriving at:
    Jacksonville International Airport
    Average flight time:
    3 hours 10 minutes
    Distance:
    1447 miles

    Route Information

    142† 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 Denver to Jacksonville is 3 hours 10 minutes.
    There are 142 weekly flights from Denver to Jacksonville on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to Jacksonville once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to Jacksonville once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Denver to Jacksonville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Jacksonville International Airport book yours with your flight.
    Yes! Flights from Denver to Jacksonville—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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