Southwest® flights from Raleigh/Durham to San Antonio from $150

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Low fares from Raleigh/Durham to San Antonio

$

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 11/16/2026

One-way

Basic

From
$150
Seen: 22 hrs ago

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 11/04/2026

One-way

Basic

From
$150
Seen: 22 hrs ago

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 09/24/2026

One-way

Basic

From
$150
Seen: 9 hrs ago

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 09/12/2026

One-way

Basic

From
$150
Seen: 10 hrs ago

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 09/10/2026

One-way

Basic

From
$150
Seen: 12 hrs ago

Raleigh/Durham (RDU)to

San Antonio (SAT)
Depart: 10/06/2026

One-way

Basic

From
$150
Seen: 7 hrs ago

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Explore flights from Raleigh/Durham to San Antonio

Aug 2026
From$334*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$150*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$150*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $150
cmp-daily-histogram-bars-legend-max-price-aria-label $519
Displaying fares for August-2026
  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

    AUG

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

    Mon

  • RDU–SAT, 08/25/2026: From $519
    25

    Tue

  • RDU–SAT, 08/26/2026: From $519
    26

    Wed

  • RDU–SAT, 08/27/2026: From $519
    27

    Thu

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • RDU–SAT, 08/29/2026: From $334
    29

    Sat

  • RDU–SAT, 08/30/2026: From $344
    30

    Sun

  • RDU–SAT, 08/31/2026: From $334
    31

    Mon

  • RDU–SAT, 09/01/2026: From $334
    01

    Tue

    SEP

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

    Wed

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • RDU–SAT, 09/04/2026: From $334
    04

    Fri

  • RDU–SAT, 09/05/2026: From $150
    05

    Sat

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

    Sun

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • RDU–SAT, 09/09/2026: From $150
    09

    Wed

  • RDU–SAT, 09/10/2026: From $150
    10

    Thu

  • RDU–SAT, 09/11/2026: From $150
    11

    Fri

  • RDU–SAT, 09/12/2026: From $150
    12

    Sat

  • RDU–SAT, 09/13/2026: From $284
    13

    Sun

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • RDU–SAT: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • RDU–SAT, 09/16/2026: From $150
    16

    Wed

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

    Thu

  • RDU–SAT, 09/18/2026: From $175
    18

    Fri

  • RDU–SAT, 09/19/2026: From $150
    19

    Sat

  • RDU–SAT, 09/20/2026: From $207
    20

    Sun

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

    Mon

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

    Tue

    • Range$150-$519

    *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:
    San Antonio International Airport
    Distance:
    1224 miles

    Route Information

    152† Weekly flights

    † 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

    There are 152 weekly flights from Raleigh/Durham to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Raleigh/Durham to San Antonio—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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