Southwest® flights from Portland, ME to Washington, D.C. (Reagan National) from $242

Promo Code

Low fares from Portland, ME to Washington, D.C. (Reagan National)

$

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 06/14/2026

One-way

Basic

From
$237
Seen: 18 hrs ago

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 04/06/2026

One-way

Basic

From
$242
Seen: 17 hrs ago

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 05/03/2026

One-way

Basic

From
$251
Seen: 2 hrs ago

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 06/14/2026

One-way

Choice

From
$267
Seen: 18 hrs ago

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 04/06/2026

One-way

Choice

From
$272
Seen: 17 hrs ago

Portland, ME (PWM)to

Washington, D.C. (Reagan National) (DCA)
Depart: 05/03/2026

One-way

Choice

From
$281
Seen: 2 hrs ago

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Explore flights from Portland, ME to Washington, D.C. (Reagan National)

Mar 2026
From$386*
Seen: 21 hrs ago
One Way/Basic
Apr 2026
From$242*
Seen: 17 hrs ago
One Way/Basic
May 2026
From$251*
Seen: 2 hrs ago
One Way/Basic
$242
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    • Range$242-$386

    *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:
    Ronald Reagan National Airport
    Distance:
    482 miles

    Route Information

    17† 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 17 weekly flights from Portland, ME to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly Portland, ME to Washington, D.C. (Reagan National) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Ronald Reagan National Airport book yours with your flight.
    Yes! Flights from Portland, ME to Washington, D.C. (Reagan National)—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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