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Southwest® flights from Portland, ME to Pittsburgh from $135

Promo Code

Low fares from Portland, ME to Pittsburgh

$

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 05/29/2026

One-way

Basic

From
$135
Seen: 19 hrs ago

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 05/28/2026

One-way

Basic

From
$135
Seen: 10 minutes ago

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 05/28/2026

One-way

Choice

From
$175
Seen: 10 minutes ago

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 05/29/2026

One-way

Choice

From
$175
Seen: 19 hrs ago

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 07/03/2026

One-way

Basic

From
$175
Seen: 4 hrs ago

Portland, ME (PWM)to

Pittsburgh (PIT)
Depart: 07/08/2026

One-way

Basic

From
$178
Seen: 17 hrs ago

Looking for more low-fare flights?

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Explore flights from Portland, ME to Pittsburgh

May 2026
From$135*
Seen: 10 minutes ago
One Way/Basic
Jun 2026
From$188*
Seen: 1 hour ago
One Way/Basic
Jul 2026
From$175*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $409
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    • Range$135-$409

    *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:
    Pittsburgh International Airport
    Distance:
    554 miles

    Route Information

    77† 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 77 weekly flights from Portland, ME to Pittsburgh on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, ME to Pittsburgh with Southwest, check out our Low Fare Calendar.
    You can rent a car at Pittsburgh International Airport book yours with your flight.
    Yes! Flights from Portland, ME to Pittsburgh—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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