Southwest® flights from Baltimore/Washington to Portland, ME from $128

Promo Code

Low fares from Baltimore/Washington to Portland, ME

$

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 11/13/2026

One-way

Basic

From
$128
Seen: 1 hour ago

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 12/24/2026

One-way

Basic

From
$128
Seen: 1 hour ago

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 11/09/2026

One-way

Basic

From
$128
Seen: 2 hrs ago

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 12/19/2026

One-way

Basic

From
$128
Seen: 2 hrs ago

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 12/17/2026

One-way

Basic

From
$142
Seen: 14 hrs ago

Baltimore/Washington (BWI)to

Portland, ME (PWM)
Depart: 12/10/2026

One-way

Basic

From
$142
Seen: 11 hrs ago

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Explore flights from Baltimore/Washington to Portland, ME

Oct 2026
From$372*
Seen: 8 hrs ago
One Way/Basic
Nov 2026
From$128*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$128*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $128
cmp-daily-histogram-bars-legend-max-price-aria-label $433
Displaying fares for October-2026
  • BWI–PWM, 10/20/2026: From $433
    20

    Tue

    OCT

  • BWI–PWM, 10/21/2026: From $433
    21

    Wed

  • BWI–PWM, 10/22/2026: From $433
    22

    Thu

  • BWI–PWM, 10/23/2026: From $433
    23

    Fri

  • BWI–PWM, 10/24/2026: From $433
    24

    Sat

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

    Sun

  • BWI–PWM, 10/26/2026: From $372
    26

    Mon

  • BWI–PWM, 10/27/2026: From $372
    27

    Tue

  • BWI–PWM, 10/28/2026: From $372
    28

    Wed

  • BWI–PWM, 10/29/2026: From $372
    29

    Thu

  • BWI–PWM, 10/30/2026: From $372
    30

    Fri

  • BWI–PWM, 10/31/2026: From $372
    31

    Sat

  • BWI–PWM, 11/01/2026: From $372
    01

    Sun

    NOV

  • BWI–PWM, 11/02/2026: From $280
    02

    Mon

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

    Tue

  • BWI–PWM, 11/04/2026: From $280
    04

    Wed

  • BWI–PWM, 11/05/2026: From $280
    05

    Thu

  • BWI–PWM, 11/06/2026: From $280
    06

    Fri

  • BWI–PWM, 11/07/2026: From $280
    07

    Sat

  • BWI–PWM, 11/08/2026: From $237
    08

    Sun

  • BWI–PWM, 11/09/2026: From $128
    09

    Mon

  • BWI–PWM: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

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

    Wed

  • BWI–PWM: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

  • BWI–PWM, 11/13/2026: From $128
    13

    Fri

  • BWI–PWM, 11/14/2026: From $148
    14

    Sat

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

    Sun

  • BWI–PWM, 11/16/2026: From $237
    16

    Mon

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

    Tue

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

    Wed

  • BWI–PWM, 11/19/2026: From $226
    19

    Thu

    • Range$128-$433

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Portland International Jetport
    Average flight time:
    1 hour 30 minutes
    Distance:
    452 miles

    Questions we hear the most

    The average flight time from Baltimore/Washington to Portland, ME is 1 hour 30 minutes.
    There are 24 weekly flights from Baltimore/Washington to Portland, ME on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Portland, ME 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Portland, ME 4 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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.

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