$139 Find Cheap Flights from Portland to Baltimore - Compare and Save

Among airlines operating Portland to Baltimore flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Portland and Baltimore.

Flights from Portland to Baltimore usually depart from Portland (PWM) and arrive at Baltimore/Washington (BWI).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Portland to Baltimore.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $389 round-trip, compared to $442 via a layover through Detroit Metropolitan Wayne County (DTW).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

Connecting flights from Portland to Baltimore most commonly pass through:

• Detroit Metropolitan Wayne County (DTW) - 75% of one-stop connections
• Charlotte Douglas (CLT) - 25% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 31% on the Portland to Baltimore route. Thursday is the cheapest departure day at $357 round-trip on average, while Monday is the most expensive at $512, a difference of $155. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Portland to Baltimore flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Baltimore are Inner Harbor, M&T Bank Stadium and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

These are the earliest and latest flight times available from Portland to Baltimore:

• Earliest: departs at 5:05 am and lands at 6:48 am
• Latest: departs at 6:05 pm and lands at 7:48 pm.

The flight takes about 1h 43m.

Last-minute fares on this route - booked within 2 weeks of departure - run 76% above the route average of $389. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Portland to Baltimore takes 1h 43m, covering 451 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $258 to $1,630. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Portland to Baltimore are currently lower than usual. Average one-way flight prices are about $142, which is 52% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 5h 36m, compared with 12h 35m via Charlotte Douglas (CLT).

Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
• NextCar
• Hertz
• Dollar
• Thrifty
• Budget

Round-trip flights from Portland to Baltimore range from $331 to $527, with an average of $389 over the past 12 months. Anything below $331 counts as a good deal.

JetBlue is the only airline on the Portland to Baltimore route offering in-flight Wi-Fi. Pricing depends on fare class.