Southwest® flights from San Francisco to Milwaukee from $172

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Low fares from San Francisco to Milwaukee

$

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 09/10/2026

One-way

Basic

From
$172
Seen: 11 hrs ago

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 09/21/2026

One-way

Basic

From
$185
Seen: 22 hrs ago

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 10/20/2026

One-way

Basic

From
$185
Seen: 13 hrs ago

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 08/24/2026

One-way

Basic

From
$185
Seen: 21 hrs ago

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 10/17/2026

One-way

Basic

From
$185
Seen: 7 hrs ago

San Francisco (SFO)to

Milwaukee (MKE)
Depart: 08/21/2026

One-way

Basic

From
$215
Seen: 18 hrs ago

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Explore flights from San Francisco to Milwaukee

Aug 2026
From$185*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$172*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$185*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $185
cmp-daily-histogram-bars-legend-max-price-aria-label $574
Displaying fares for August-2026
  • SFO–MKE: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

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

    Sun

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    03

    Mon

  • SFO–MKE: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • SFO–MKE: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • SFO–MKE, 08/06/2026: From $574
    06

    Thu

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

    Fri

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

    Sat

  • SFO–MKE, 08/09/2026: From $509
    09

    Sun

  • SFO–MKE, 08/10/2026: From $509
    10

    Mon

  • SFO–MKE, 08/11/2026: From $509
    11

    Tue

  • SFO–MKE, 08/12/2026: From $509
    12

    Wed

  • SFO–MKE, 08/13/2026: From $509
    13

    Thu

  • SFO–MKE, 08/14/2026: From $304
    14

    Fri

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

    Sat

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

    Sun

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

    Mon

  • SFO–MKE, 08/18/2026: From $304
    18

    Tue

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

    Wed

  • SFO–MKE, 08/20/2026: From $304
    20

    Thu

  • SFO–MKE, 08/21/2026: From $215
    21

    Fri

  • SFO–MKE, 08/22/2026: From $220
    22

    Sat

  • SFO–MKE, 08/23/2026: From $274
    23

    Sun

  • SFO–MKE, 08/24/2026: From $185
    24

    Mon

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

    Tue

  • SFO–MKE: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

    • Range$185-$574

    *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:
    San Francisco International Airport
    Arriving at:
    General Mitchell Airport
    Distance:
    1845 miles

    Route Information

    129† 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 129 weekly flights from San Francisco to Milwaukee on Southwest Airlines.
    To find the lowest fares by day and time to fly San Francisco 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 San Francisco 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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