United States · 451 miles (726 km)

Baltimore (BWI) to Portland (PWM) flights

One airline flies nonstop from Baltimore (BWI) to Portland (PWM): 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 BWI to PWM

BWI to PWM with one stop

10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via New York (EWR), then United Airlines
    United Airlines logo
  • Via Philadelphia (PHL)Southwest Airlines, then American Airlines
    Southwest Airlines logo
    American Airlines logo
  • Via Norfolk (ORF)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Pittsburgh (PIT)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Raleigh/Durham (RDU)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Columbus (CMH)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    American Airlines logo
  • Via Cincinnati (CVG)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo
  • Via Charleston (CHS)Southwest Airlines, then Breeze Airways
    Southwest Airlines logo
    Breeze Airways logo

BWI to PWM: common questions

Which airlines fly nonstop from BWI to PWM?

Southwest Airlines flies nonstop from Baltimore (BWI) to Portland (PWM).

How far is Baltimore from Portland by plane?

Baltimore (BWI) and Portland (PWM) 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 BWI to PWM cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BWI to PWM with taxes and fees.

Where can I connect between Baltimore and Portland?

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.