Southwest® flights from Washington D.C. Reagan National to Portland, ME from $251

Promo Code

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

$

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/30/2026

One-way

Basic

From
$251
Seen: 15 hrs ago

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/23/2026

One-way

Basic

From
$262
Seen: 15 hrs ago

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/30/2026

One-way

Choice

From
$286
Seen: 15 hrs ago

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/18/2026

One-way

Basic

From
$290
Seen: 13 hrs ago

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/20/2026

One-way

Basic

From
$290
Seen: 2 hrs ago

Washington D.C. Reagan National (DCA)to

Portland, ME (PWM)
Depart: 10/23/2026

One-way

Choice

From
$297
Seen: 15 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

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

Oct 2026
From$251*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
No result for this month.
Dec 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $251
cmp-daily-histogram-bars-legend-max-price-aria-label $441
Displaying fares for October-2026
  • DCA–PWM, 10/01/2026: From $441
    01

    Thu

    OCT

  • DCA–PWM, 10/02/2026: From $441
    02

    Fri

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • DCA–PWM, 10/04/2026: From $441
    04

    Sun

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • DCA–PWM, 10/07/2026: From $441
    07

    Wed

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    08

    Thu

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • DCA–PWM, 10/10/2026: From $395
    10

    Sat

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • DCA–PWM, 10/12/2026: From $395
    12

    Mon

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • DCA–PWM, 10/18/2026: From $290
    18

    Sun

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • DCA–PWM, 10/20/2026: From $290
    20

    Tue

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

  • DCA–PWM, 10/23/2026: From $262
    23

    Fri

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

    Sat

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

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

    Tue

  • DCA–PWM: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

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

    Thu

  • DCA–PWM, 10/30/2026: From $251
    30

    Fri

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

    Sat

    • Range$251-$441

    *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:
    Ronald Reagan National Airport
    Arriving at:
    Portland International Jetport
    Distance:
    482 miles

    Route Information

    21† 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 21 weekly flights from Washington, D.C. (Reagan National) to Portland, ME on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Portland, ME with Southwest, check out our Low Fare Calendar.
    You can rent a car at Portland International Jetport book yours with your flight.
    Yes! Flights from Washington, D.C. (Reagan National) to Portland, ME—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.

    Explore Flights from Other Popular Origins

    Popular Flights from Washington D.C. Reagan National