Southwest® flights from Raleigh/Durham to Denver from $159

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Low fares from Raleigh/Durham to Denver

$

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 09/11/2026

One-way

Basic

From
$159
Seen: 4 hrs ago

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 09/05/2026

One-way

Basic

From
$159
Seen: 6 hrs ago

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 09/07/2026

One-way

Basic

From
$173
Seen: 23 hrs ago

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 09/26/2026

One-way

Basic

From
$173
Seen: 21 hrs ago

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 09/23/2026

One-way

Basic

From
$173
Seen: 21 hrs ago

Raleigh/Durham (RDU)to

Denver (DEN)
Depart: 10/10/2026

One-way

Basic

From
$173
Seen: 4 hrs ago

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Explore flights from Raleigh/Durham to Denver

Aug 2026
From$173*
Seen: 5 hrs ago
One Way/Basic
Sep 2026
From$159*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$173*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $173
cmp-daily-histogram-bars-legend-max-price-aria-label $584
Displaying fares for August-2026
  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

    AUG

  • RDU–DEN, 08/03/2026: From $584
    03

    Mon

  • RDU–DEN, 08/04/2026: From $584
    04

    Tue

  • RDU–DEN, 08/05/2026: From $584
    05

    Wed

  • RDU–DEN, 08/06/2026: From $584
    06

    Thu

  • RDU–DEN, 08/07/2026: From $413
    07

    Fri

  • RDU–DEN, 08/08/2026: From $413
    08

    Sat

  • RDU–DEN, 08/09/2026: From $413
    09

    Sun

  • RDU–DEN, 08/10/2026: From $413
    10

    Mon

  • RDU–DEN, 08/11/2026: From $413
    11

    Tue

  • RDU–DEN, 08/12/2026: From $413
    12

    Wed

  • RDU–DEN, 08/13/2026: From $413
    13

    Thu

  • RDU–DEN, 08/14/2026: From $240
    14

    Fri

  • RDU–DEN, 08/15/2026: From $250
    15

    Sat

  • RDU–DEN, 08/16/2026: From $296
    16

    Sun

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

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

    Tue

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

    Wed

  • RDU–DEN, 08/20/2026: From $240
    20

    Thu

  • RDU–DEN, 08/21/2026: From $223
    21

    Fri

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • RDU–DEN: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • RDU–DEN, 08/27/2026: From $173
    27

    Thu

  • RDU–DEN, 08/28/2026: From $223
    28

    Fri

  • RDU–DEN, 08/29/2026: From $173
    29

    Sat

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

    Sun

  • RDU–DEN, 08/31/2026: From $173
    31

    Mon

  • RDU–DEN, 09/01/2026: From $173
    01

    Tue

    SEP

    • Range$173-$584

    *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:
    Raleigh/Durham Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    3 hours 48 minutes
    Distance:
    1436 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 Raleigh/Durham to Denver is 3 hours 48 minutes.
    There are 156 weekly flights from Raleigh/Durham to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Raleigh/Durham to Denver 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Raleigh/Durham to Denver once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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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