Southwest® flights from Portland, ME to Austin from $185

Promo Code

Low fares from Portland, ME to Austin

$

Portland, ME (PWM)to

Austin (AUS)
Depart: 10/28/2026

One-way

Basic

From
$185
Seen: 15 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 12/10/2026

One-way

Basic

From
$185
Seen: 11 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 10/28/2026

One-way

Choice

From
$235
Seen: 15 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 11/05/2026

One-way

Basic

From
$235
Seen: 2 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 12/10/2026

One-way

Choice

From
$235
Seen: 11 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 11/05/2026

One-way

Choice

From
$285
Seen: 2 hrs ago

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Explore flights from Portland, ME to Austin

Oct 2026
From$185*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
From$235*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$185*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $185
cmp-daily-histogram-bars-legend-max-price-aria-label $822
Displaying fares for October-2026
  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • PWM–AUS, 10/03/2026: From $301
    03

    Sat

  • PWM–AUS, 10/04/2026: From $381
    04

    Sun

  • PWM–AUS, 10/05/2026: From $386
    05

    Mon

  • PWM–AUS, 10/06/2026: From $301
    06

    Tue

  • PWM–AUS, 10/07/2026: From $301
    07

    Wed

  • PWM–AUS, 10/08/2026: From $381
    08

    Thu

  • PWM–AUS, 10/09/2026: From $386
    09

    Fri

  • PWM–AUS, 10/10/2026: From $341
    10

    Sat

  • PWM–AUS, 10/11/2026: From $460
    11

    Sun

  • PWM–AUS, 10/12/2026: From $822
    12

    Mon

  • PWM–AUS, 10/13/2026: From $510
    13

    Tue

  • PWM–AUS, 10/14/2026: From $345
    14

    Wed

  • PWM–AUS, 10/15/2026: From $309
    15

    Thu

  • PWM–AUS, 10/16/2026: From $369
    16

    Fri

  • PWM–AUS, 10/17/2026: From $300
    17

    Sat

  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • PWM–AUS, 10/19/2026: From $460
    19

    Mon

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

    Tue

  • PWM–AUS, 10/21/2026: From $295
    21

    Wed

  • PWM–AUS, 10/22/2026: From $290
    22

    Thu

  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • PWM–AUS, 10/25/2026: From $369
    25

    Sun

  • PWM–AUS, 10/26/2026: From $290
    26

    Mon

  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • PWM–AUS, 10/28/2026: From $185
    28

    Wed

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

    Thu

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

    Fri

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

    Sat

    • Range$185-$822

    *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 Jetport
    Arriving at:
    Austin-Bergstrom International Airport
    Distance:
    1764 miles

    Route Information

    85† 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 85 weekly flights from Portland, ME to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, ME 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, ME 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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