Southwest® flights from San Diego to Milwaukee from $188

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Low fares from San Diego to Milwaukee

$

San Diego (SAN)to

Milwaukee (MKE)
Depart: 12/17/2026

One-way

Basic

From
$188
Seen: 23 hrs ago

San Diego (SAN)to

Milwaukee (MKE)
Depart: 11/12/2026

One-way

Basic

From
$188
Seen: 20 hrs ago

San Diego (SAN)to

Milwaukee (MKE)
Depart: 10/10/2026

One-way

Basic

From
$188
Seen: 20 hrs ago

San Diego (SAN)to

Milwaukee (MKE)
Depart: 10/23/2026

One-way

Basic

From
$188
Seen: 13 hrs ago

San Diego (SAN)to

Milwaukee (MKE)
Depart: 10/17/2026

One-way

Basic

From
$188
Seen: 12 hrs ago

San Diego (SAN)to

Milwaukee (MKE)
Depart: 12/06/2026

One-way

Basic

From
$188
Seen: 4 hrs ago

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Explore flights from San Diego to Milwaukee

Sep 2026
From$285*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$188*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$188*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $188
cmp-daily-histogram-bars-legend-max-price-aria-label $300
Displaying fares for September-2026
  • SAN–MKE: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

    SEP

  • SAN–MKE, 09/12/2026: From $300
    12

    Sat

  • SAN–MKE, 09/13/2026: From $295
    13

    Sun

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

    Mon

  • SAN–MKE, 09/15/2026: From $285
    15

    Tue

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

    Wed

  • SAN–MKE, 09/17/2026: From $285
    17

    Thu

  • SAN–MKE, 09/18/2026: From $285
    18

    Fri

  • SAN–MKE, 09/19/2026: From $285
    19

    Sat

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

    Sun

  • SAN–MKE: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

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

    Tue

  • SAN–MKE, 09/23/2026: From $285
    23

    Wed

  • SAN–MKE, 09/24/2026: From $285
    24

    Thu

  • SAN–MKE, 09/25/2026: From $285
    25

    Fri

  • SAN–MKE, 09/26/2026: From $285
    26

    Sat

  • SAN–MKE, 09/27/2026: From $285
    27

    Sun

  • SAN–MKE, 09/28/2026: From $285
    28

    Mon

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

    Tue

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

    Wed

  • SAN–MKE, 10/01/2026: From $188
    01

    Thu

    OCT

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

    Fri

  • SAN–MKE, 10/03/2026: From $188
    03

    Sat

  • SAN–MKE, 10/04/2026: From $270
    04

    Sun

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

    Mon

  • SAN–MKE, 10/06/2026: From $188
    06

    Tue

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

    Wed

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

    Thu

  • SAN–MKE, 10/09/2026: From $244
    09

    Fri

  • SAN–MKE, 10/10/2026: From $188
    10

    Sat

    • Range$188-$300

    *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 Diego International Airport
    Arriving at:
    General Mitchell Airport
    Average flight time:
    4 hours 1 minutes
    Distance:
    1739 miles

    Route Information

    144† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † 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

    The average flight time from San Diego to Milwaukee is 4 hours 1 minutes.
    There are 144 weekly flights from San Diego to Milwaukee on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Milwaukee once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Milwaukee once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly San Diego 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 Diego 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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