Southwest® flights from Portland, ME to Baltimore/Washington from $109
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Low fares from Portland, ME to Baltimore/Washington
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Fare Type Select...
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 09/05/2026
One-way
/
Basic
From
$109*
Seen: 16 hrs ago
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 09/11/2026
One-way
/
Basic
From
$109*
Seen: 6 hrs ago
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 09/16/2026
One-way
/
Basic
From
$125*
Seen: 17 hrs ago
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 10/01/2026
One-way
/
Basic
From
$125*
Seen: 15 hrs ago
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 10/03/2026
One-way
/
Basic
From
$125*
Seen: 16 hrs ago
Portland, ME (PWM)to
Baltimore/Washington (BWI)
Depart: 08/29/2026
One-way
/
Basic
From
$125*
Seen: 12 hrs 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.
Baltimore's location makes it a perfect jumping-off point for a multi-city tour of the East Coast. Washington, D.C. is less than an hour away, Philadelphia is approximately an hour north, and New York City is within a two-and-a-half-hour drive. A single flight into BWI can unlock an itinerary that covers historic landmarks, world-class museums, an iconic food scene, and major cultural attractions, all with minimal backtracking.
How to find cheap flights from Portland (PWM) to Baltimore (BWI)
Finding cheap flights from Portland to Baltimore is all about starting early and knowing what to look for. Here are a few tips to keep your travel costs down:
Use the Low Fare Calendar: If your dates are flexible, the Southwest Low Fare Calendar helps you quickly spot the lowest fares across the month.
Book early: Lock in your trip dates and book your tickets as soon as you can to avoid rising prices as the date approaches.
Consider timing: Midweek flights (Tuesday or Wednesday) are often cheaper than weekends, and shifting your trip outside peak holiday windows can make a noticeable difference.
What’s the best time to travel from Portland to Baltimore?
Outdoor attractions: If exploring the Inner Harbor, walking historic neighborhoods, and spending time outdoors are high on your list, plan your visit during the milder months of April through early June or September through October, when these experiences are especially enjoyable.
Event timing: Popular events like the National Cherry Blossom Festival in nearby Washington, D.C. can significantly increase demand for flights and hotels across the region. If you're planning to visit during these periods, book well in advance.
Peak periods: Summer and holiday weekends are typically the busiest times to visit Baltimore, bringing higher demand for flights, hotels, and popular attractions.
Best Value: Late January through February is typically the quietest stretch, which often means lower fares and better hotel availability.
What to do in Baltimore after you land
Waterfront highlights: The Inner Harbor is the city’s hub for walking, dining, and views, with historic ships docked along the promenade.
National Aquarium: This renowned aquarium offers up-close encounters with thousands of animals, including dolphins and sharks.
Local landmarks: Catch a baseball game at Camden Yards and visit Fort McHenry, the historic site behind “The Star-Spangled Banner.”
Neighborhood flavor: Wander Fells Point for cobblestone streets, shops, and nightlife, then stop by Lexington Market for classic Maryland seafood (you know you have to get the crab cakes).
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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.
*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:
Balt./Wash. International Airport
Average flight time:
1 hour 35 minutes
Distance:
452 miles
Route Information
24†Weekly flights
4‡Nonstop flights per day Monday through Friday
4‡Nonstop flights on Saturday
4‡Nonstop flights on Sunday
† 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
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.
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.