Southwest® flights from St. Louis to Raleigh/Durham from $149

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Low fares from St. Louis to Raleigh/Durham

$

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 09/05/2026

One-way

Basic

From
$149
Seen: 3 hrs ago

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 09/11/2026

One-way

Basic

From
$149
Seen: 18 hrs ago

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 09/17/2026

One-way

Basic

From
$153
Seen: 22 hrs ago

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 09/15/2026

One-way

Basic

From
$153
Seen: 9 hrs ago

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 10/17/2026

One-way

Basic

From
$153
Seen: 3 hrs ago

St. Louis (STL)to

Raleigh/Durham (RDU)
Depart: 10/01/2026

One-way

Basic

From
$153
Seen: 6 hrs ago

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Explore flights from St. Louis to Raleigh/Durham

Aug 2026
From$158*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$149*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$153*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $158
cmp-daily-histogram-bars-legend-max-price-aria-label $495
Displaying fares for August-2026
  • STL–RDU, 08/01/2026: From $495
    01

    Sat

    AUG

  • STL–RDU: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • STL–RDU, 08/03/2026: From $490
    03

    Mon

  • STL–RDU, 08/04/2026: From $495
    04

    Tue

  • STL–RDU, 08/05/2026: From $495
    05

    Wed

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

    Thu

  • STL–RDU, 08/07/2026: From $401
    07

    Fri

  • STL–RDU, 08/08/2026: From $401
    08

    Sat

  • STL–RDU, 08/09/2026: From $401
    09

    Sun

  • STL–RDU: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

  • STL–RDU, 08/11/2026: From $401
    11

    Tue

  • STL–RDU, 08/12/2026: From $401
    12

    Wed

  • STL–RDU, 08/13/2026: From $401
    13

    Thu

  • STL–RDU, 08/14/2026: From $296
    14

    Fri

  • STL–RDU, 08/15/2026: From $296
    15

    Sat

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

    Sun

  • STL–RDU, 08/17/2026: From $296
    17

    Mon

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

    Tue

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

    Wed

  • STL–RDU, 08/20/2026: From $296
    20

    Thu

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

    Fri

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

    Sat

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    23

    Sun

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    24

    Mon

  • STL–RDU, 08/25/2026: From $158
    25

    Tue

  • STL–RDU, 08/26/2026: From $158
    26

    Wed

  • STL–RDU, 08/27/2026: From $158
    27

    Thu

  • STL–RDU, 08/28/2026: From $169
    28

    Fri

  • STL–RDU, 08/29/2026: From $158
    29

    Sat

  • STL–RDU, 08/30/2026: From $189
    30

    Sun

  • STL–RDU: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    • Range$158-$495

    *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:
    Raleigh/Durham Airport
    Average flight time:
    1 hour 49 minutes
    Distance:
    667 miles

    Route Information

    152† Weekly flights
    • 2‡ Nonstop flights 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 St. Louis to Raleigh/Durham is 1 hour 49 minutes.
    There are 152 weekly flights from St. Louis to Raleigh/Durham on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Raleigh/Durham 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from St. Louis to Raleigh/Durham once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly St. Louis to Raleigh/Durham with Southwest, check out our Low Fare Calendar.
    You can rent a car at Raleigh/Durham Airport book yours with your flight.
    Yes! Flights from St. Louis to Raleigh/Durham—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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