Southwest® flights from Tucson to Denver from $109

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Low fares from Tucson to Denver

$

Tucson (TUS)to

Denver (DEN)
Depart: 10/01/2026

One-way

Basic

From
$109
Seen: 21 hrs ago

Tucson (TUS)to

Denver (DEN)
Depart: 09/14/2026

One-way

Basic

From
$109
Seen: 22 hrs ago

Tucson (TUS)to

Denver (DEN)
Depart: 11/21/2026

One-way

Basic

From
$109
Seen: 9 hrs ago

Tucson (TUS)to

Denver (DEN)
Depart: 09/30/2026

One-way

Basic

From
$109
Seen: 11 hrs ago

Tucson (TUS)to

Denver (DEN)
Depart: 10/07/2026

One-way

Basic

From
$109
Seen: 6 hrs ago

Tucson (TUS)to

Denver (DEN)
Depart: 11/11/2026

One-way

Basic

From
$109
Seen: 6 hrs ago

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Explore flights from Tucson to Denver

Aug 2026
From$318*
Seen: 15 hrs ago
One Way/Basic
Sep 2026
From$109*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $408
Displaying fares for August-2026
  • TUS–DEN, 08/21/2026: From $408
    21

    Fri

    AUG

  • TUS–DEN, 08/22/2026: From $408
    22

    Sat

  • TUS–DEN, 08/23/2026: From $408
    23

    Sun

  • TUS–DEN, 08/24/2026: From $408
    24

    Mon

  • TUS–DEN, 08/25/2026: From $408
    25

    Tue

  • TUS–DEN, 08/26/2026: From $408
    26

    Wed

  • TUS–DEN, 08/27/2026: From $318
    27

    Thu

  • TUS–DEN, 08/28/2026: From $318
    28

    Fri

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

    Sat

  • TUS–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

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

    Mon

  • TUS–DEN: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • TUS–DEN, 09/02/2026: From $318
    02

    Wed

  • TUS–DEN, 09/03/2026: From $224
    03

    Thu

  • TUS–DEN, 09/04/2026: From $224
    04

    Fri

  • TUS–DEN, 09/05/2026: From $224
    05

    Sat

  • TUS–DEN, 09/06/2026: From $224
    06

    Sun

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

    Mon

  • TUS–DEN, 09/08/2026: From $224
    08

    Tue

  • TUS–DEN, 09/09/2026: From $224
    09

    Wed

  • TUS–DEN, 09/10/2026: From $109
    10

    Thu

  • TUS–DEN, 09/11/2026: From $138
    11

    Fri

  • TUS–DEN, 09/12/2026: From $119
    12

    Sat

  • TUS–DEN: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • TUS–DEN, 09/14/2026: From $109
    14

    Mon

  • TUS–DEN, 09/15/2026: From $109
    15

    Tue

  • TUS–DEN, 09/16/2026: From $109
    16

    Wed

  • TUS–DEN, 09/17/2026: From $155
    17

    Thu

  • TUS–DEN, 09/18/2026: From $128
    18

    Fri

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

    Sat

  • TUS–DEN, 09/20/2026: From $191
    20

    Sun

    • Range$109-$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:
    Tucson International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    1 hour 56 minutes
    Distance:
    639 miles

    Route Information

    145† 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 Tucson to Denver is 1 hour 56 minutes.
    There are 145 weekly flights from Tucson to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Tucson to Denver 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Tucson to Denver 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Tucson to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from Tucson to Denver—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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