Southwest® flights from Houston (Hobby) to San Diego from $109

Promo Code

Low fares from Houston (Hobby) to San Diego

$

Houston (Hobby) (HOU)to

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

One-way

Basic

From
$109
Seen: 21 hrs ago

Houston (Hobby) (HOU)to

San Diego (SAN)
Depart: 10/06/2026

One-way

Basic

From
$109
Seen: 14 hrs ago

Houston (Hobby) (HOU)to

San Diego (SAN)
Depart: 11/04/2026

One-way

Basic

From
$109
Seen: 16 hrs ago

Houston (Hobby) (HOU)to

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

One-way

Basic

From
$109
Seen: 17 hrs ago

Houston (Hobby) (HOU)to

San Diego (SAN)
Depart: 09/30/2026

One-way

Basic

From
$109
Seen: 23 hrs ago

Houston (Hobby) (HOU)to

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

One-way

Basic

From
$109
Seen: 22 hrs ago

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Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from Houston (Hobby) to San Diego

Aug 2026
From$346*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$109*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $470
Displaying fares for August-2026
  • HOU–SAN, 08/22/2026: From $470
    22

    Sat

    AUG

  • HOU–SAN, 08/23/2026: From $470
    23

    Sun

  • HOU–SAN, 08/24/2026: From $470
    24

    Mon

  • HOU–SAN, 08/25/2026: From $470
    25

    Tue

  • HOU–SAN, 08/26/2026: From $470
    26

    Wed

  • HOU–SAN, 08/27/2026: From $346
    27

    Thu

  • HOU–SAN, 08/28/2026: From $346
    28

    Fri

  • HOU–SAN, 08/29/2026: From $346
    29

    Sat

  • HOU–SAN, 08/30/2026: From $346
    30

    Sun

  • HOU–SAN, 08/31/2026: From $346
    31

    Mon

  • HOU–SAN, 09/01/2026: From $346
    01

    Tue

    SEP

  • HOU–SAN, 09/02/2026: From $346
    02

    Wed

  • HOU–SAN, 09/03/2026: From $346
    03

    Thu

  • HOU–SAN, 09/04/2026: From $290
    04

    Fri

  • HOU–SAN, 09/05/2026: From $290
    05

    Sat

  • HOU–SAN, 09/06/2026: From $290
    06

    Sun

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

    Mon

  • HOU–SAN, 09/08/2026: From $290
    08

    Tue

  • HOU–SAN, 09/09/2026: From $290
    09

    Wed

  • HOU–SAN, 09/10/2026: From $290
    10

    Thu

  • HOU–SAN, 09/11/2026: From $165
    11

    Fri

  • HOU–SAN: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • HOU–SAN, 09/13/2026: From $209
    13

    Sun

  • HOU–SAN, 09/14/2026: From $119
    14

    Mon

  • HOU–SAN, 09/15/2026: From $109
    15

    Tue

  • HOU–SAN, 09/16/2026: From $109
    16

    Wed

  • HOU–SAN, 09/17/2026: From $119
    17

    Thu

  • HOU–SAN, 09/18/2026: From $165
    18

    Fri

  • HOU–SAN: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • HOU–SAN, 09/20/2026: From $209
    20

    Sun

  • HOU–SAN, 09/21/2026: From $119
    21

    Mon

    • Range$109-$470

    *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:
    William P. Hobby Airport
    Arriving at:
    San Diego International Airport
    Average flight time:
    3 hours 17 minutes
    Distance:
    1313 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ Nonstop flights 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 Houston (Hobby) to San Diego is 3 hours 17 minutes.
    There are 156 weekly flights from Houston (Hobby) to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Houston (Hobby) to San Diego 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Houston (Hobby) to San Diego 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Houston (Hobby) 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 Houston (Hobby) 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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