Southwest® flights from Portland, ME to Baltimore/Washington from $155

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Low fares from Portland, ME to Baltimore/Washington

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Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 01/27/2027

One-way

Basic

From
$155
Seen: 5 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 12/08/2026

One-way

Basic

From
$155
Seen: 13 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 01/05/2027

One-way

Basic

From
$155
Seen: 1 hour ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 12/09/2026

One-way

Basic

From
$155
Seen: 2 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 12/24/2026

One-way

Basic

From
$175
Seen: 22 hrs ago

Portland, ME (PWM)to

Baltimore/Washington (BWI)
Depart: 01/21/2027

One-way

Basic

From
$175
Seen: 30 minutes ago

Flights from Portland (PWM) to Baltimore (BWI)

Your flight from Portland, ME to Baltimore, MD connects you with another proudly local city that takes its seafood seriously. Baltimore’s lively waterfront and historic neighborhoods make it worth visiting in its own right, and with Washington, D.C. just down the road, it’s an affordable gateway for exploring the Mid-Atlantic.

Portland (PWM) to Baltimore (BWI) flight duration, distance, and route details

PWM to BWI is a relatively fast hop down the East Coast, but it’s still smart to know what you’re in for. Here's a quick look at what to expect on a flight from Portland to Baltimore:

  • Average flight time: Approximately 1 hour and 45 minutes
  • Miles traveled (approximate): 480
  • Time zone change: None (East)

Before you get in the air, make sure you’re signed up for Rapid Rewards. As a member, you’ll earn points toward future flights on qualifying air travel, plus exclusive member perks like free in-flight Wi-Fi.

Flying into Baltimore for access to Washington, D.C.

BWI doubles as a convenient gateway to Washington, D.C. and an alternative to flying into Reagan or Dulles. From the BWI Rail Station, MARC commuter rail and Amtrak both run direct to Union Station, with travel times typically around 30 to 45 minutes. That makes BWI a smart, flexible option for a variety of schedules and budgets. Explore more options on our flights to Baltimore page.

Getting from BWI to Baltimore and nearby areas

Baltimore’s compact layout means that once your flight from Portland, ME to Baltimore, MD touches down, downtown is only about 10 miles away. Here are your main options for getting there:

  • Light RailLink: Catch the Light RailLink directly from the BWI terminal. It runs straight into downtown Baltimore in about 30 minutes, and it’s one of the most budget-friendly options available.
  • Rideshares and taxis: Both are available right outside the terminal. Expect the ride to take around 20 to 30 minutes to the Inner Harbor or central Baltimore, depending on traffic.
  • MARC and Amtrak: If you're heading to Washington, D.C., both services run directly from the BWI Rail Station to Union Station in about 30 to 45 minutes.
  • Hotel shuttles: Some hotels offer complimentary airport shuttles, so check schedules and availability before you fly.
  • Rental cars: Renting a vehicle lets you explore the Chesapeake and beyond at your own pace. Reserve your rental car in advance, then take the BWI courtesy shuttle to the rental lot to pick up your vehicle.
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Explore flights from Portland, ME to Baltimore/Washington

cmp-daily-histogram-bars-legend-min-price-aria-label $155
cmp-daily-histogram-bars-legend-max-price-aria-label $443
Displaying fares for November-2026
  • PWM–BWI, 11/13/2026: From $438
    13

    Fri

    NOV

  • PWM–BWI, 11/14/2026: From $443
    14

    Sat

  • PWM–BWI, 11/15/2026: From $443
    15

    Sun

  • PWM–BWI, 11/16/2026: From $443
    16

    Mon

  • PWM–BWI, 11/17/2026: From $443
    17

    Tue

  • PWM–BWI, 11/18/2026: From $438
    18

    Wed

  • PWM–BWI, 11/19/2026: From $443
    19

    Thu

  • PWM–BWI, 11/20/2026: From $382
    20

    Fri

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

    Sat

  • PWM–BWI, 11/22/2026: From $377
    22

    Sun

  • PWM–BWI: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

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

    Tue

  • PWM–BWI, 11/25/2026: From $382
    25

    Wed

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

    Thu

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

    Fri

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

    Sat

  • PWM–BWI, 11/29/2026: From $320
    29

    Sun

  • PWM–BWI, 11/30/2026: From $320
    30

    Mon

  • PWM–BWI, 12/01/2026: From $290
    01

    Tue

    DEC

  • PWM–BWI: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • PWM–BWI, 12/03/2026: From $290
    03

    Thu

  • PWM–BWI, 12/04/2026: From $195
    04

    Fri

  • PWM–BWI, 12/05/2026: From $175
    05

    Sat

  • PWM–BWI, 12/06/2026: From $247
    06

    Sun

  • PWM–BWI: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • PWM–BWI, 12/08/2026: From $155
    08

    Tue

  • PWM–BWI, 12/09/2026: From $155
    09

    Wed

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

    Thu

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

    Fri

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

    Sat

  • Range$155-$443

    Flight Details

    Departing from:
    Portland International Jetport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    1 hour 35 minutes
    Distance:
    452 miles

    Questions we hear the most

    The average flight time from Portland, ME to Baltimore/Washington is 1 hour 35 minutes.
    There are 24 weekly flights from Portland, ME to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from Portland, ME to Baltimore/Washington 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Portland, ME to Baltimore/Washington 4 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Portland, ME to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Portland, ME to Baltimore/Washington—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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