Nonstop flights from Portland to Washington
3 airlines fly from Portland (PWM) to 3 Washington airports (BWI, IAD and DCA), with up to 11 flights a day.
Routes
3 airport pairs- PWM to BWIPortland International Jetport to Baltimore/Washington International Thurgood Marshall4 a day
- PWM to IADPortland International Jetport to Dulles3 to 4 a day
- PWM to DCAPortland International Jetport to Ronald Reagan Washington National2 to 4 a day
When they leave
Portland timeEight in the morning, 5:15 AM to 10:30 AM, then 10 in the afternoon, 12:16 PM to 4:15 PM, then three in the evening, 5:11 PM to 7:16 PM.
Every flight
Earliest firstSchedules last checked Sep 19, 2026. Times are local.
Flying from Portland to Washington
Southwest Airlines flies most often, 4 times a day on the Boeing 737-700, Boeing 737 MAX 8 and Boeing 737. United Airlines flies 3 to 4 times a day on the Embraer 175 and Boeing 737 MAX 8. American Airlines flies 2 to 4 times a day on the Airbus A319, CRJ 700 and Embraer 175.
There are 10 or 11 flights every day of the week. The first arrival in Washington is at 7:00 AM and the last at 9:14 PM.
PWM to BWI is the busiest airport pair, with 28 flights a week, then PWM to IAD with 27 and PWM to DCA with 21.
Flying back, Washington to Portland has 76 nonstop flights a week.
Return flights
Schedules as of Oct 9, 2026.