Southwest® flights from Seattle/Tacoma to Des Moines from $178

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Low fares from Seattle/Tacoma to Des Moines

$

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 10/28/2026

One-way

Basic

From
$178
Seen: 9 hrs ago

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 11/07/2026

One-way

Basic

From
$178
Seen: 2 hrs ago

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 12/02/2026

One-way

Basic

From
$178
Seen: 5 hrs ago

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 10/21/2026

One-way

Basic

From
$195
Seen: 14 hrs ago

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 10/30/2026

One-way

Basic

From
$200
Seen: 8 hrs ago

Seattle/Tacoma (SEA)to

Des Moines (DSM)
Depart: 11/09/2026

One-way

Basic

From
$217
Seen: 3 hrs ago

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Explore flights from Seattle/Tacoma to Des Moines

Oct 2026
From$178*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$178*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$178*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $178
cmp-daily-histogram-bars-legend-max-price-aria-label $359
Displaying fares for October-2026
  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • SEA–DSM, 10/03/2026: From $324
    03

    Sat

  • SEA–DSM, 10/04/2026: From $359
    04

    Sun

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • SEA–DSM, 10/08/2026: From $359
    08

    Thu

  • SEA–DSM, 10/09/2026: From $359
    09

    Fri

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • SEA–DSM, 10/11/2026: From $359
    11

    Sun

  • SEA–DSM, 10/12/2026: From $359
    12

    Mon

  • SEA–DSM, 10/13/2026: From $324
    13

    Tue

  • SEA–DSM, 10/14/2026: From $284
    14

    Wed

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • SEA–DSM, 10/17/2026: From $279
    17

    Sat

  • SEA–DSM, 10/18/2026: From $299
    18

    Sun

  • SEA–DSM, 10/19/2026: From $299
    19

    Mon

  • SEA–DSM, 10/20/2026: From $279
    20

    Tue

  • SEA–DSM, 10/21/2026: From $195
    21

    Wed

  • SEA–DSM, 10/22/2026: From $223
    22

    Thu

  • SEA–DSM, 10/23/2026: From $240
    23

    Fri

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • SEA–DSM, 10/25/2026: From $249
    25

    Sun

  • SEA–DSM, 10/26/2026: From $322
    26

    Mon

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • SEA–DSM, 10/28/2026: From $178
    28

    Wed

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • SEA–DSM, 10/30/2026: From $200
    30

    Fri

  • SEA–DSM: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

    • Range$178-$359

    *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:
    Seattle/Tacoma International Airport
    Arriving at:
    Des Moines Airport
    Distance:
    1465 miles

    Route Information

    55† 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 55 weekly flights from Seattle/Tacoma to Des Moines on Southwest Airlines.
    To find the lowest fares by day and time to fly Seattle/Tacoma to Des Moines with Southwest, check out our Low Fare Calendar.
    You can rent a car at Des Moines Airport book yours with your flight.
    Yes! Flights from Seattle/Tacoma to Des Moines—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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