Southwest® flights from San Diego to Tucson from $99

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Low fares from San Diego to Tucson

$

San Diego (SAN)to

Tucson (TUS)
Depart: 09/12/2026

One-way

Basic

From
$99
Seen: 1 hour ago

San Diego (SAN)to

Tucson (TUS)
Depart: 09/19/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

San Diego (SAN)to

Tucson (TUS)
Depart: 10/06/2026

One-way

Basic

From
$99
Seen: 16 hrs ago

San Diego (SAN)to

Tucson (TUS)
Depart: 10/14/2026

One-way

Basic

From
$99
Seen: 3 hrs ago

San Diego (SAN)to

Tucson (TUS)
Depart: 09/16/2026

One-way

Basic

From
$99
Seen: 50 minutes ago

San Diego (SAN)to

Tucson (TUS)
Depart: 11/11/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

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Explore flights from San Diego to Tucson

Aug 2026
From$243*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$99*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $456
Displaying fares for August-2026
  • SAN–TUS, 08/21/2026: From $368
    21

    Fri

    AUG

  • SAN–TUS, 08/22/2026: From $456
    22

    Sat

  • SAN–TUS, 08/23/2026: From $368
    23

    Sun

  • SAN–TUS, 08/24/2026: From $368
    24

    Mon

  • SAN–TUS, 08/25/2026: From $456
    25

    Tue

  • SAN–TUS, 08/26/2026: From $368
    26

    Wed

  • SAN–TUS: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • SAN–TUS, 08/28/2026: From $243
    28

    Fri

  • SAN–TUS, 08/29/2026: From $243
    29

    Sat

  • SAN–TUS, 08/30/2026: From $243
    30

    Sun

  • SAN–TUS, 08/31/2026: From $243
    31

    Mon

  • SAN–TUS, 09/01/2026: From $300
    01

    Tue

    SEP

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

    Wed

  • SAN–TUS: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • SAN–TUS, 09/04/2026: From $235
    04

    Fri

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

    Sat

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

    Sun

  • SAN–TUS, 09/07/2026: From $240
    07

    Mon

  • SAN–TUS, 09/08/2026: From $235
    08

    Tue

  • SAN–TUS, 09/09/2026: From $235
    09

    Wed

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

    Thu

  • SAN–TUS, 09/11/2026: From $175
    11

    Fri

  • SAN–TUS, 09/12/2026: From $99
    12

    Sat

  • SAN–TUS, 09/13/2026: From $189
    13

    Sun

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

    Mon

  • SAN–TUS, 09/15/2026: From $99
    15

    Tue

  • SAN–TUS, 09/16/2026: From $99
    16

    Wed

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

    Thu

  • SAN–TUS: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • SAN–TUS, 09/19/2026: From $99
    19

    Sat

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

    Sun

    • Range$99-$456

    *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:
    Tucson International Airport
    Average flight time:
    1 hour 29 minutes
    Distance:
    368 miles

    Route Information

    122† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ 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 San Diego to Tucson is 1 hour 29 minutes.
    There are 122 weekly flights from San Diego to Tucson on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Tucson once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Tucson once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly San Diego to Tucson with Southwest, check out our Low Fare Calendar.
    You can rent a car at Tucson International Airport book yours with your flight.
    Yes! Flights from San Diego to Tucson—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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