Southwest® flights from Portland, OR to Austin from $123

Promo Code

Low fares from Portland, OR to Austin

$

Portland, OR (PDX)to

Austin (AUS)
Depart: 12/17/2026

One-way

Basic

From
$123
Seen: 14 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 12/08/2026

One-way

Basic

From
$123
Seen: 12 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 12/09/2026

One-way

Basic

From
$123
Seen: 13 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/18/2026

One-way

Basic

From
$123
Seen: 12 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 12/22/2026

One-way

Basic

From
$123
Seen: 9 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/17/2026

One-way

Basic

From
$123
Seen: 13 hrs ago

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Explore flights from Portland, OR to Austin

Oct 2026
From$244*
Seen: 1 hour ago
One Way/Basic
Nov 2026
From$123*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$123*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $123
cmp-daily-histogram-bars-legend-max-price-aria-label $309
Displaying fares for October-2026
  • PDX–AUS, 10/20/2026: From $309
    20

    Tue

    OCT

  • PDX–AUS, 10/21/2026: From $309
    21

    Wed

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

    Thu

  • PDX–AUS, 10/23/2026: From $309
    23

    Fri

  • PDX–AUS, 10/24/2026: From $309
    24

    Sat

  • PDX–AUS, 10/25/2026: From $309
    25

    Sun

  • PDX–AUS, 10/26/2026: From $244
    26

    Mon

  • PDX–AUS, 10/27/2026: From $244
    27

    Tue

  • PDX–AUS, 10/28/2026: From $244
    28

    Wed

  • PDX–AUS, 10/29/2026: From $244
    29

    Thu

  • PDX–AUS, 10/30/2026: From $244
    30

    Fri

  • PDX–AUS, 10/31/2026: From $244
    31

    Sat

  • PDX–AUS, 11/01/2026: From $244
    01

    Sun

    NOV

  • PDX–AUS, 11/02/2026: From $200
    02

    Mon

  • PDX–AUS, 11/03/2026: From $200
    03

    Tue

  • PDX–AUS, 11/04/2026: From $205
    04

    Wed

  • PDX–AUS, 11/05/2026: From $225
    05

    Thu

  • PDX–AUS, 11/06/2026: From $225
    06

    Fri

  • PDX–AUS, 11/07/2026: From $200
    07

    Sat

  • PDX–AUS, 11/08/2026: From $214
    08

    Sun

  • PDX–AUS, 11/09/2026: From $156
    09

    Mon

  • PDX–AUS, 11/10/2026: From $123
    10

    Tue

  • PDX–AUS, 11/11/2026: From $123
    11

    Wed

  • PDX–AUS, 11/12/2026: From $128
    12

    Thu

  • PDX–AUS, 11/13/2026: From $124
    13

    Fri

  • PDX–AUS, 11/14/2026: From $123
    14

    Sat

  • PDX–AUS, 11/15/2026: From $124
    15

    Sun

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • PDX–AUS, 11/17/2026: From $123
    17

    Tue

  • PDX–AUS, 11/18/2026: From $123
    18

    Wed

  • PDX–AUS, 11/19/2026: From $188
    19

    Thu

    • Range$123-$309

    *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:
    Austin-Bergstrom International Airport
    Distance:
    1715 miles

    Questions we hear the most

    There are 149 weekly flights from Portland, OR to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, OR to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from Portland, OR to Austin—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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