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

Explore multiple East Coast cities from Baltimore

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.
• Sign up for fare alerts: Subscribe to Southwest email alerts so you always hear about promotions and offers while they’re hot and fresh.

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).