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

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Low fares from Kansas City to San Diego

$

Kansas City (MCI)to

San Diego (SAN)
Depart: 08/26/2026

One-way

Basic

From
$149
Seen: 19 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 11/07/2026

One-way

Basic

From
$149
Seen: 19 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 10/17/2026

One-way

Basic

From
$149
Seen: 15 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$149
Seen: 3 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 09/02/2026

One-way

Basic

From
$149
Seen: 17 hrs ago

Kansas City (MCI)to

San Diego (SAN)
Depart: 10/21/2026

One-way

Basic

From
$149
Seen: 13 hrs ago

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Explore flights from Kansas City to San Diego

Jul 2026
From$590*
Seen: 16 hrs ago
One Way/Basic
Aug 2026
From$149*
Seen: 19 hrs ago
One Way/Basic
Sep 2026
From$149*
Seen: 17 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 July-2026
  • MCI–SAN, 07/31/2026: From $590
    31

    Fri

    JUL

  • MCI–SAN: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

  • MCI–SAN, 08/02/2026: From $595
    02

    Sun

  • MCI–SAN, 08/03/2026: From $590
    03

    Mon

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

    Tue

  • MCI–SAN, 08/05/2026: From $595
    05

    Wed

  • MCI–SAN, 08/06/2026: From $454
    06

    Thu

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

    Fri

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

    Sat

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

    Sun

  • MCI–SAN, 08/10/2026: From $454
    10

    Mon

  • MCI–SAN, 08/11/2026: From $459
    11

    Tue

  • MCI–SAN, 08/12/2026: From $459
    12

    Wed

  • MCI–SAN, 08/13/2026: From $355
    13

    Thu

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

    Fri

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

    Sat

  • MCI–SAN, 08/16/2026: From $360
    16

    Sun

  • MCI–SAN, 08/17/2026: From $355
    17

    Mon

  • MCI–SAN, 08/18/2026: From $360
    18

    Tue

  • MCI–SAN, 08/19/2026: From $360
    19

    Wed

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

    Thu

  • MCI–SAN, 08/21/2026: From $248
    21

    Fri

  • MCI–SAN, 08/22/2026: From $179
    22

    Sat

  • MCI–SAN, 08/23/2026: From $315
    23

    Sun

  • MCI–SAN, 08/24/2026: From $198
    24

    Mon

  • MCI–SAN, 08/25/2026: From $179
    25

    Tue

  • MCI–SAN, 08/26/2026: From $149
    26

    Wed

  • MCI–SAN, 08/27/2026: From $174
    27

    Thu

  • MCI–SAN, 08/28/2026: From $248
    28

    Fri

  • MCI–SAN, 08/29/2026: From $149
    29

    Sat

  • MCI–SAN, 08/30/2026: From $269
    30

    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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