Southwest® flights from Milwaukee to San Diego from $135

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Low fares from Milwaukee to San Diego

$

Milwaukee (MKE)to

San Diego (SAN)
Depart: 01/14/2027

One-way

Basic

From
$135
Seen: 6 hrs ago

Milwaukee (MKE)to

San Diego (SAN)
Depart: 12/19/2026

One-way

Basic

From
$135
Seen: 4 hrs ago

Milwaukee (MKE)to

San Diego (SAN)
Depart: 12/09/2026

One-way

Basic

From
$135
Seen: 2 hrs ago

Milwaukee (MKE)to

San Diego (SAN)
Depart: 12/10/2026

One-way

Basic

From
$135
Seen: 52 minutes ago

Milwaukee (MKE)to

San Diego (SAN)
Depart: 12/05/2026

One-way

Basic

From
$135
Seen: 12 hrs ago

Milwaukee (MKE)to

San Diego (SAN)
Depart: 11/12/2026

One-way

Basic

From
$135
Seen: 15 hrs ago

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Explore flights from Milwaukee to San Diego

Oct 2026
From$305*
Seen: 7 hrs ago
One Way/Basic
Nov 2026
From$135*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$135*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $320
Displaying fares for October-2026
  • MKE–SAN: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

    OCT

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

    Wed

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

    Thu

  • MKE–SAN, 10/23/2026: From $305
    23

    Fri

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

    Sat

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

    Sun

  • MKE–SAN, 10/26/2026: From $320
    26

    Mon

  • MKE–SAN, 10/27/2026: From $305
    27

    Tue

  • MKE–SAN, 10/28/2026: From $305
    28

    Wed

  • MKE–SAN, 10/29/2026: From $305
    29

    Thu

  • MKE–SAN, 10/30/2026: From $305
    30

    Fri

  • MKE–SAN, 10/31/2026: From $305
    31

    Sat

  • MKE–SAN, 11/01/2026: From $305
    01

    Sun

    NOV

  • MKE–SAN, 11/02/2026: From $305
    02

    Mon

  • MKE–SAN, 11/03/2026: From $305
    03

    Tue

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

    Wed

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

    Thu

  • MKE–SAN: cmp-view-offers-disclaimer. Find Offers
    06

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

  • MKE–SAN: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • MKE–SAN, 11/12/2026: From $135
    12

    Thu

  • MKE–SAN, 11/13/2026: From $171
    13

    Fri

  • MKE–SAN, 11/14/2026: From $135
    14

    Sat

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

    Sun

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

    Mon

  • MKE–SAN, 11/17/2026: From $135
    17

    Tue

  • MKE–SAN, 11/18/2026: From $135
    18

    Wed

  • MKE–SAN, 11/19/2026: From $208
    19

    Thu

    • Range$135-$320

    *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:
    General Mitchell Airport
    Arriving at:
    San Diego International Airport
    Average flight time:
    4 hours 16 minutes
    Distance:
    1739 miles

    Questions we hear the most

    The average flight time from Milwaukee to San Diego is 4 hours 16 minutes.
    There are 152 weekly flights from Milwaukee to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Milwaukee to San Diego once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Milwaukee to San Diego once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Milwaukee to San Diego with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Diego International Airport book yours with your flight.
    Yes! Flights from Milwaukee to San Diego—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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