Southwest® flights from Portland, OR to San Antonio from $205

Promo Code

Low fares from Portland, OR to San Antonio

$

Portland, OR (PDX)to

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

One-way

Basic

From
$205
Seen: 9 hrs ago

Portland, OR (PDX)to

San Antonio (SAT)
Depart: 01/13/2027

One-way

Basic

From
$205
Seen: 6 hrs ago

Portland, OR (PDX)to

San Antonio (SAT)
Depart: 12/05/2026

One-way

Basic

From
$205
Seen: 8 hrs ago

Portland, OR (PDX)to

San Antonio (SAT)
Depart: 12/08/2026

One-way

Basic

From
$205
Seen: 12 hrs ago

Portland, OR (PDX)to

San Antonio (SAT)
Depart: 12/02/2026

One-way

Basic

From
$205
Seen: 1 hour ago

Portland, OR (PDX)to

San Antonio (SAT)
Depart: 12/16/2026

One-way

Basic

From
$210
Seen: 6 hrs ago

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Explore flights from Portland, OR to San Antonio

Nov 2026
From$249*
Seen: 5 hrs ago
One Way/Basic
Dec 2026
From$205*
Seen: 8 hrs ago
One Way/Basic
Jan 2027
From$205*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $205
cmp-daily-histogram-bars-legend-max-price-aria-label $489
Displaying fares for November-2026
  • PDX–SAT, 11/12/2026: From $484
    12

    Thu

    NOV

  • PDX–SAT, 11/13/2026: From $484
    13

    Fri

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

    Sat

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

    Sun

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    16

    Mon

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

    Tue

  • PDX–SAT, 11/18/2026: From $249
    18

    Wed

  • PDX–SAT, 11/19/2026: From $249
    19

    Thu

  • PDX–SAT: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

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

    Sat

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

    Sun

  • PDX–SAT, 11/23/2026: From $254
    23

    Mon

  • PDX–SAT, 11/24/2026: From $345
    24

    Tue

  • PDX–SAT, 11/25/2026: From $345
    25

    Wed

  • PDX–SAT, 11/26/2026: From $270
    26

    Thu

  • PDX–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • PDX–SAT, 11/28/2026: From $390
    28

    Sat

  • PDX–SAT, 11/29/2026: From $489
    29

    Sun

  • PDX–SAT: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

  • PDX–SAT, 12/01/2026: From $270
    01

    Tue

    DEC

  • PDX–SAT, 12/02/2026: From $205
    02

    Wed

  • PDX–SAT, 12/03/2026: From $225
    03

    Thu

  • PDX–SAT, 12/04/2026: From $240
    04

    Fri

  • PDX–SAT, 12/05/2026: From $205
    05

    Sat

  • PDX–SAT, 12/06/2026: From $249
    06

    Sun

  • PDX–SAT, 12/07/2026: From $225
    07

    Mon

  • PDX–SAT, 12/08/2026: From $205
    08

    Tue

  • PDX–SAT, 12/09/2026: From $205
    09

    Wed

  • PDX–SAT, 12/10/2026: From $225
    10

    Thu

  • PDX–SAT, 12/11/2026: From $240
    11

    Fri

    • Range$205-$489

    *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:
    Portland International Airport
    Arriving at:
    San Antonio International Airport
    Distance:
    1714 miles

    Questions we hear the most

    There are 139 weekly flights from Portland, OR to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR 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 Portland, OR 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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