Southwest® flights from Washington, D.C. (Reagan National) to Jacksonville from $139

Promo Code

Low fares from Washington, D.C. (Reagan National) to Jacksonville

$

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 10/06/2026

One-way

Basic

From
$139
Seen: 17 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 09/30/2026

One-way

Basic

From
$139
Seen: 17 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 10/26/2026

One-way

Basic

From
$139
Seen: 15 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 11/03/2026

One-way

Basic

From
$145
Seen: 4 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 09/16/2026

One-way

Basic

From
$145
Seen: 21 minutes ago

Washington, D.C. (Reagan National) (DCA)to

Jacksonville (JAX)
Depart: 09/15/2026

One-way

Basic

From
$145
Seen: 4 hrs ago

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Explore flights from Washington, D.C. (Reagan National) to Jacksonville

Aug 2026
From$201*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$139*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$139*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $145
cmp-daily-histogram-bars-legend-max-price-aria-label $248
Displaying fares for August-2026
  • DCA–JAX, 08/22/2026: From $201
    22

    Sat

    AUG

  • DCA–JAX, 08/23/2026: From $248
    23

    Sun

  • DCA–JAX, 08/24/2026: From $248
    24

    Mon

  • DCA–JAX, 08/25/2026: From $201
    25

    Tue

  • DCA–JAX, 08/26/2026: From $201
    26

    Wed

  • DCA–JAX, 08/27/2026: From $248
    27

    Thu

  • DCA–JAX, 08/28/2026: From $248
    28

    Fri

  • DCA–JAX, 08/29/2026: From $201
    29

    Sat

  • DCA–JAX, 08/30/2026: From $205
    30

    Sun

  • DCA–JAX, 08/31/2026: From $205
    31

    Mon

  • DCA–JAX, 09/01/2026: From $201
    01

    Tue

    SEP

  • DCA–JAX, 09/02/2026: From $201
    02

    Wed

  • DCA–JAX, 09/03/2026: From $205
    03

    Thu

  • DCA–JAX, 09/04/2026: From $235
    04

    Fri

  • DCA–JAX: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • DCA–JAX, 09/06/2026: From $170
    06

    Sun

  • DCA–JAX, 09/07/2026: From $229
    07

    Mon

  • DCA–JAX, 09/08/2026: From $200
    08

    Tue

  • DCA–JAX, 09/09/2026: From $159
    09

    Wed

  • DCA–JAX, 09/10/2026: From $159
    10

    Thu

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

    Fri

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

    Sat

  • DCA–JAX: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • DCA–JAX: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • DCA–JAX, 09/15/2026: From $145
    15

    Tue

  • DCA–JAX, 09/16/2026: From $145
    16

    Wed

  • DCA–JAX: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • DCA–JAX, 09/18/2026: From $205
    18

    Fri

  • DCA–JAX: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

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

    Sun

  • DCA–JAX, 09/21/2026: From $189
    21

    Mon

    • Range$145-$248

    *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:
    Ronald Reagan National Airport
    Arriving at:
    Jacksonville International Airport
    Distance:
    634 miles

    Route Information

    93† Weekly flights

    † 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

    There are 93 weekly flights from Washington, D.C. (Reagan National) to Jacksonville on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) 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 Washington, D.C. (Reagan National) 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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