Direct flights from Baltimore to Portland
All flights from BWI to PWM non-stop. There are direct flights from Baltimore Washington International (BWI), Maryland, USA to Portland International Jetport (PWM), Maine, USA with Southwest Airlines. 28 weekly departures are currently scheduled on this route. Departure times range from 06:35 to 23:10 depending on the schedule period. The flight distance is 454 miles (730 km). Flight time ranges from 1 hour and 25 minutes to 1 hour and 40 minutes.
Baltimore
, USA
Flight schedule from Baltimore to Portland with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-08-24
Baltimore to Portland scheduled departures
Select a date to see every published non-stop departure between BWI and PWM.
BWI - PWM route facts
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Distance454 miles (730 km)
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Flight time1 hour and 25 minutes to 1 hour and 40 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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AircraftBoeing 737MAX 8 Passenger, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737-800 (winglets) Passenger/BBJ2
