Southwest® flights from Seattle/Tacoma to Milwaukee from $79

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Low fares from Seattle/Tacoma to Milwaukee

$

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 12/09/2026

One-way

Basic

From
$79
Seen: 22 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 10/29/2026

One-way

Basic

From
$85
Seen: 7 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 11/02/2026

One-way

Basic

From
$85
Seen: 7 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 11/11/2026

One-way

Basic

From
$85
Seen: 4 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 12/09/2026

One-way

Choice

From
$122
Seen: 22 hrs ago

Seattle/Tacoma (SEA)to

Milwaukee (MKE)
Depart: 10/29/2026

One-way

Choice

From
$128
Seen: 7 hrs ago

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Explore flights from Seattle/Tacoma to Milwaukee

Oct 2026
From$85*
Seen: 7 hrs ago
One Way/Basic
Nov 2026
From$85*
Seen: 7 hrs ago
One Way/Basic
Dec 2026
From$79*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $85
cmp-daily-histogram-bars-legend-max-price-aria-label $326
Displaying fares for October-2026
  • SEA–MKE, 10/08/2026: From $326
    08

    Thu

    OCT

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • SEA–MKE, 10/10/2026: From $281
    10

    Sat

  • SEA–MKE, 10/11/2026: From $326
    11

    Sun

  • SEA–MKE, 10/12/2026: From $326
    12

    Mon

  • SEA–MKE, 10/13/2026: From $281
    13

    Tue

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    14

    Wed

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    15

    Thu

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    16

    Fri

  • SEA–MKE, 10/17/2026: From $281
    17

    Sat

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    18

    Sun

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

    Mon

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    20

    Tue

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    21

    Wed

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    22

    Thu

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

    Fri

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

    Sat

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

    Sun

  • SEA–MKE, 10/26/2026: From $211
    26

    Mon

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

    Tue

  • SEA–MKE, 10/28/2026: From $146
    28

    Wed

  • SEA–MKE, 10/29/2026: From $85
    29

    Thu

  • SEA–MKE: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

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

    Sat

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

    Sun

    NOV

  • SEA–MKE, 11/02/2026: From $85
    02

    Mon

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    03

    Tue

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    04

    Wed

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    05

    Thu

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    06

    Fri

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

    Sat

    • Range$85-$326

    *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

    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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