Southwest® flights from Kansas City to San Diego from $149

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Low fares from Kansas City to San Diego

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Kansas City (MCI)to

San Diego (SAN)
Depart: 11/10/2026

One-way

Basic

From
$149
Seen: 9 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 11/03/2026

One-way

Basic

From
$149
Seen: 12 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 10/27/2026

One-way

Basic

From
$149
Seen: 12 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 09/29/2026

One-way

Basic

From
$149
Seen: 12 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$149
Seen: 4 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 10/03/2026

One-way

Basic

From
$149
Seen: 4 hrs ago

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Explore flights from Kansas City to San Diego

Aug 2026
From$454*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$149*
Seen: 12 hrs ago
One Way/Basic
Oct 2026
From$149*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $595
Displaying fares for August-2026
  • MCI–SAN, 08/21/2026: From $590
    21

    Fri

    AUG

  • MCI–SAN, 08/22/2026: From $595
    22

    Sat

  • MCI–SAN, 08/23/2026: From $595
    23

    Sun

  • MCI–SAN, 08/24/2026: From $590
    24

    Mon

  • MCI–SAN, 08/25/2026: From $595
    25

    Tue

  • MCI–SAN, 08/26/2026: From $595
    26

    Wed

  • MCI–SAN, 08/27/2026: From $454
    27

    Thu

  • MCI–SAN, 08/28/2026: From $454
    28

    Fri

  • MCI–SAN, 08/29/2026: From $459
    29

    Sat

  • MCI–SAN, 08/30/2026: From $459
    30

    Sun

  • MCI–SAN, 08/31/2026: From $454
    31

    Mon

  • MCI–SAN, 09/01/2026: From $459
    01

    Tue

    SEP

  • MCI–SAN, 09/02/2026: From $459
    02

    Wed

  • MCI–SAN, 09/03/2026: From $360
    03

    Thu

  • MCI–SAN, 09/04/2026: From $360
    04

    Fri

  • MCI–SAN, 09/05/2026: From $360
    05

    Sat

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

    Sun

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

    Mon

  • MCI–SAN, 09/08/2026: From $360
    08

    Tue

  • MCI–SAN, 09/09/2026: From $360
    09

    Wed

  • MCI–SAN, 09/10/2026: From $159
    10

    Thu

  • MCI–SAN, 09/11/2026: From $174
    11

    Fri

  • MCI–SAN, 09/12/2026: From $149
    12

    Sat

  • MCI–SAN, 09/13/2026: From $279
    13

    Sun

  • MCI–SAN, 09/14/2026: From $159
    14

    Mon

  • MCI–SAN, 09/15/2026: From $159
    15

    Tue

  • MCI–SAN, 09/16/2026: From $159
    16

    Wed

  • MCI–SAN, 09/17/2026: From $179
    17

    Thu

  • MCI–SAN, 09/18/2026: From $174
    18

    Fri

  • MCI–SAN, 09/19/2026: From $159
    19

    Sat

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

    Sun

    • Range$149-$595

    *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:
    Kansas City International Airport
    Arriving at:
    San Diego International Airport
    Average flight time:
    3 hours 21 minutes
    Distance:
    1334 miles

    Route Information

    156† 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 Kansas City to San Diego is 3 hours 21 minutes.
    There are 156 weekly flights from Kansas City to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Kansas City to San Diego once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Kansas City to San Diego once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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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