Portland (PWM) to Baltimore (BWI) flights
One airline flies nonstop from Portland (PWM) to Baltimore (BWI): Southwest Airlines. The two airports are 451 miles (726 km) apart. There are also 10 ways to fly it with one stop, through New York, Philadelphia and Norfolk and more.
Airlines flying nonstop from PWM to BWI
- Southwest AirlinesNot in an allianceWho books it

PWM to BWI with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR)United Airlines, then

- Via Philadelphia (PHL)American Airlines, then Southwest Airlines


- Via Norfolk (ORF)Breeze Airways, then Southwest Airlines


- Via Pittsburgh (PIT)Breeze Airways, then Southwest Airlines


- Via Raleigh/Durham (RDU)Breeze Airways, then Southwest Airlines


- Via Columbus (CMH)Breeze Airways, then Southwest Airlines


- Via Detroit (DTW)Delta Air Lines the whole way




- Via Charlotte (CLT)American Airlines the whole way




- Via Cincinnati (CVG)Breeze Airways, then Southwest Airlines


- Via Charleston (CHS)Breeze Airways, then Southwest Airlines


PWM to BWI: common questions
Which airlines fly nonstop from PWM to BWI?
Southwest Airlines flies nonstop from Portland (PWM) to Baltimore (BWI).
How far is Portland from Baltimore by plane?
Portland (PWM) and Baltimore (BWI) are 451 miles (726 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does PWM to BWI cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PWM to BWI with taxes and fees.
Where can I connect between Portland and Baltimore?
The most direct connections are through New York (EWR), Philadelphia (PHL), Norfolk (ORF), Pittsburgh (PIT) and Raleigh/Durham (RDU). On 2 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.