Southwest® flights from St. Louis to Tucson from $189

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Low fares from St. Louis to Tucson

$

St. Louis (STL)to

Tucson (TUS)
Depart: 02/09/2027

One-way

Basic

From
$189
Seen: 17 hrs ago

St. Louis (STL)to

Tucson (TUS)
Depart: 12/02/2026

One-way

Basic

From
$189
Seen: 11 hrs ago

St. Louis (STL)to

Tucson (TUS)
Depart: 02/13/2027

One-way

Basic

From
$189
Seen: 6 hrs ago

St. Louis (STL)to

Tucson (TUS)
Depart: 02/17/2027

One-way

Basic

From
$189
Seen: 9 hrs ago

St. Louis (STL)to

Tucson (TUS)
Depart: 01/12/2027

One-way

Basic

From
$189
Seen: 1 hour ago

St. Louis (STL)to

Tucson (TUS)
Depart: 01/13/2027

One-way

Basic

From
$189
Seen: 9 hrs ago

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Explore flights from St. Louis to Tucson

Nov 2026
From$289*
Seen: 8 hrs ago
One Way/Basic
Dec 2026
From$189*
Seen: 11 hrs ago
One Way/Basic
Jan 2027
From$189*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $554
Displaying fares for November-2026
  • STL–TUS, 11/09/2026: From $554
    09

    Mon

    NOV

  • STL–TUS, 11/10/2026: From $554
    10

    Tue

  • STL–TUS, 11/11/2026: From $554
    11

    Wed

  • STL–TUS, 11/12/2026: From $554
    12

    Thu

  • STL–TUS, 11/13/2026: From $554
    13

    Fri

  • STL–TUS, 11/14/2026: From $554
    14

    Sat

  • STL–TUS, 11/15/2026: From $474
    15

    Sun

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • STL–TUS, 11/18/2026: From $479
    18

    Wed

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • STL–TUS, 11/20/2026: From $474
    20

    Fri

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • STL–TUS, 11/23/2026: From $294
    23

    Mon

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

  • STL–TUS, 11/25/2026: From $294
    25

    Wed

  • STL–TUS, 11/26/2026: From $294
    26

    Thu

  • STL–TUS, 11/27/2026: From $289
    27

    Fri

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • STL–TUS, 11/30/2026: From $303
    30

    Mon

  • STL–TUS, 12/01/2026: From $234
    01

    Tue

    DEC

  • STL–TUS, 12/02/2026: From $189
    02

    Wed

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

    Thu

  • STL–TUS, 12/04/2026: From $254
    04

    Fri

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

    Sat

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

    Sun

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • STL–TUS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

    • Range$189-$554

    *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:
    Lambert-St Louis Int'l Airport
    Arriving at:
    Tucson International Airport
    Distance:
    1244 miles

    Questions we hear the most

    There are 149 weekly flights from St. Louis to Tucson on Southwest Airlines.
    To find the lowest fares by day and time to fly St. Louis 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 St. Louis 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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