Southwest® flights from Portland, OR to Austin from $109

Promo Code

Low fares from Portland, OR to Austin

$

Portland, OR (PDX)to

Austin (AUS)
Depart: 10/28/2026

One-way

Basic

From
$109
Seen: 19 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/03/2026

One-way

Basic

From
$109
Seen: 21 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/13/2026

One-way

Basic

From
$109
Seen: 16 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 10/23/2026

One-way

Basic

From
$109
Seen: 15 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/11/2026

One-way

Basic

From
$109
Seen: 21 hrs ago

Portland, OR (PDX)to

Austin (AUS)
Depart: 11/10/2026

One-way

Basic

From
$109
Seen: 17 hrs ago

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Explore flights from Portland, OR to Austin

Oct 2026
From$109*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$109*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$130*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $299
Displaying fares for October-2026
  • PDX–AUS, 10/01/2026: From $299
    01

    Thu

    OCT

  • PDX–AUS, 10/02/2026: From $299
    02

    Fri

  • PDX–AUS, 10/03/2026: From $299
    03

    Sat

  • PDX–AUS, 10/04/2026: From $299
    04

    Sun

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • PDX–AUS, 10/06/2026: From $299
    06

    Tue

  • PDX–AUS, 10/07/2026: From $234
    07

    Wed

  • PDX–AUS, 10/08/2026: From $199
    08

    Thu

  • PDX–AUS, 10/09/2026: From $234
    09

    Fri

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • PDX–AUS, 10/11/2026: From $264
    11

    Sun

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • PDX–AUS, 10/13/2026: From $189
    13

    Tue

  • PDX–AUS, 10/14/2026: From $169
    14

    Wed

  • PDX–AUS, 10/15/2026: From $204
    15

    Thu

  • PDX–AUS, 10/16/2026: From $190
    16

    Fri

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

    Sat

  • PDX–AUS, 10/18/2026: From $249
    18

    Sun

  • PDX–AUS, 10/19/2026: From $199
    19

    Mon

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

    Tue

  • PDX–AUS, 10/21/2026: From $130
    21

    Wed

  • PDX–AUS, 10/22/2026: From $209
    22

    Thu

  • PDX–AUS, 10/23/2026: From $109
    23

    Fri

  • PDX–AUS, 10/24/2026: From $130
    24

    Sat

  • PDX–AUS, 10/25/2026: From $209
    25

    Sun

  • PDX–AUS, 10/26/2026: From $178
    26

    Mon

  • PDX–AUS, 10/27/2026: From $130
    27

    Tue

  • PDX–AUS, 10/28/2026: From $109
    28

    Wed

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

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

    Fri

  • PDX–AUS: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

    • Range$109-$299

    *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

    Route Information

    149† 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 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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