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

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Low fares from Portland, ME to Austin

$

Portland, ME (PWM)to

Austin (AUS)
Depart: 09/03/2026

One-way

Basic

From
$185
Seen: 20 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 09/30/2026

One-way

Basic

From
$196
Seen: 20 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 10/06/2026

One-way

Basic

From
$196
Seen: 3 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 09/01/2026

One-way

Basic

From
$196
Seen: 13 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 10/27/2026

One-way

Basic

From
$196
Seen: 13 hrs ago

Portland, ME (PWM)to

Austin (AUS)
Depart: 08/29/2026

One-way

Basic

From
$196
Seen: 8 hrs ago

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Explore flights from Portland, ME to Austin

Aug 2026
From$196*
Seen: 8 hrs ago
One Way/Basic
Sep 2026
From$185*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$196*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $196
Displaying fares for August-2026
  • PWM–AUS: cmp-view-offers-disclaimer. Find Offers
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  • PWM–AUS, 08/07/2026: From $450
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  • PWM–AUS, 08/13/2026: From $371
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  • PWM–AUS, 08/16/2026: From $359
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  • PWM–AUS, 08/20/2026: From $299
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  • PWM–AUS, 08/28/2026: From $218
    28

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  • PWM–AUS, 08/29/2026: From $196
    29

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  • PWM–AUS, 08/30/2026: From $275
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    • Range$196-$450

    *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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