Southwest® flights from Denver to Tucson from $124

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Low fares from Denver to Tucson

$

Denver (DEN)to

Tucson (TUS)
Depart: 09/05/2026

One-way

Basic

From
$124
Seen: 4 hrs ago

Denver (DEN)to

Tucson (TUS)
Depart: 09/19/2026

One-way

Basic

From
$140
Seen: 19 hrs ago

Denver (DEN)to

Tucson (TUS)
Depart: 10/21/2026

One-way

Basic

From
$140
Seen: 19 hrs ago

Denver (DEN)to

Tucson (TUS)
Depart: 08/26/2026

One-way

Basic

From
$140
Seen: 20 hrs ago

Denver (DEN)to

Tucson (TUS)
Depart: 08/24/2026

One-way

Basic

From
$140
Seen: 21 hrs ago

Denver (DEN)to

Tucson (TUS)
Depart: 09/09/2026

One-way

Basic

From
$140
Seen: 13 hrs ago

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Explore flights from Denver to Tucson

Aug 2026
From$140*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$124*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$140*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $140
cmp-daily-histogram-bars-legend-max-price-aria-label $408
Displaying fares for August-2026
  • DEN–TUS, 08/01/2026: From $408
    01

    Sat

    AUG

  • DEN–TUS, 08/02/2026: From $408
    02

    Sun

  • DEN–TUS, 08/03/2026: From $408
    03

    Mon

  • DEN–TUS, 08/04/2026: From $408
    04

    Tue

  • DEN–TUS, 08/05/2026: From $408
    05

    Wed

  • DEN–TUS, 08/06/2026: From $408
    06

    Thu

  • DEN–TUS, 08/07/2026: From $318
    07

    Fri

  • DEN–TUS, 08/08/2026: From $318
    08

    Sat

  • DEN–TUS, 08/09/2026: From $318
    09

    Sun

  • DEN–TUS, 08/10/2026: From $318
    10

    Mon

  • DEN–TUS, 08/11/2026: From $318
    11

    Tue

  • DEN–TUS, 08/12/2026: From $318
    12

    Wed

  • DEN–TUS, 08/13/2026: From $318
    13

    Thu

  • DEN–TUS, 08/14/2026: From $224
    14

    Fri

  • DEN–TUS, 08/15/2026: From $224
    15

    Sat

  • DEN–TUS, 08/16/2026: From $224
    16

    Sun

  • DEN–TUS, 08/17/2026: From $224
    17

    Mon

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

    Tue

  • DEN–TUS, 08/19/2026: From $224
    19

    Wed

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

    Thu

  • DEN–TUS, 08/21/2026: From $161
    21

    Fri

  • DEN–TUS, 08/22/2026: From $140
    22

    Sat

  • DEN–TUS, 08/23/2026: From $181
    23

    Sun

  • DEN–TUS, 08/24/2026: From $140
    24

    Mon

  • DEN–TUS, 08/25/2026: From $140
    25

    Tue

  • DEN–TUS, 08/26/2026: From $140
    26

    Wed

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

    Thu

  • DEN–TUS, 08/28/2026: From $161
    28

    Fri

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

    Sat

  • DEN–TUS, 08/30/2026: From $181
    30

    Sun

  • DEN–TUS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    • Range$140-$408

    *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:
    Denver International Airport
    Arriving at:
    Tucson International Airport
    Average flight time:
    1 hour 58 minutes
    Distance:
    639 miles

    Route Information

    147† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ 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 Denver to Tucson is 1 hour 58 minutes.
    There are 147 weekly flights from Denver to Tucson on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to Tucson 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to Tucson 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Denver 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 Denver 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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