Southwest® flights from Seattle/Tacoma to Milwaukee from $189

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Low fares from Seattle/Tacoma to Milwaukee

$

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 09/11/2026

One-way

Basic

From
$189
Seen: 23 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 09/06/2026

One-way

Basic

From
$189
Seen: 23 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 09/05/2026

One-way

Basic

From
$194
Seen: 18 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 10/10/2026

One-way

Basic

From
$204
Seen: 10 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 09/23/2026

One-way

Basic

From
$204
Seen: 9 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 09/10/2026

One-way

Basic

From
$224
Seen: 8 hrs ago

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Explore flights from Seattle/Tacoma to Milwaukee

Aug 2026
From$224*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$204*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $304
Displaying fares for August-2026
  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

    AUG

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

    Mon

  • SEA–MKE, 08/11/2026: From $295
    11

    Tue

  • SEA–MKE, 08/12/2026: From $295
    12

    Wed

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    14

    Fri

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

    Sat

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

    Sun

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • SEA–MKE, 08/21/2026: From $282
    21

    Fri

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • SEA–MKE, 08/26/2026: From $282
    26

    Wed

  • SEA–MKE, 08/27/2026: From $282
    27

    Thu

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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

    Sat

  • SEA–MKE, 08/30/2026: From $224
    30

    Sun

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

    Mon

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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

    Wed

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • SEA–MKE, 09/04/2026: From $224
    04

    Fri

  • SEA–MKE, 09/05/2026: From $194
    05

    Sat

  • SEA–MKE, 09/06/2026: From $189
    06

    Sun

  • SEA–MKE, 09/07/2026: From $304
    07

    Mon

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

    • Range$189-$304

    *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:
    General Mitchell Airport
    Distance:
    1694 miles

    Route Information

    91† 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 91 weekly flights from Seattle/Tacoma to Milwaukee on Southwest Airlines.
    To find the lowest fares by day and time to fly Seattle/Tacoma to Milwaukee with Southwest, check out our Low Fare Calendar.
    You can rent a car at General Mitchell Airport book yours with your flight.
    Yes! Flights from Seattle/Tacoma to Milwaukee—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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