Nonstop flights from Portland to Washington

United Airlines flies this route 3 to 4 times a day.

PWMPortland International Jetport

492 mi · 27 flights a week

IADWashington Dulles International

PWMIAD

When they leave

Portland time

5:15a7:16pFirst departure 5:15 AM, last 7:16 PM

Two in the morning, 5:15 AM to 9:55 AM, then one afternoon flight at 2:20 PM, then one evening flight at 7:16 PM.

Earliest first

Schedules last checked Sep 19, 2026. Times are local.

United Airlines is the only airline flying nonstop from Portland to Washington, 3 to 4 times a day on the Embraer 175 and Boeing 737 MAX 8.

There are 3 or 4 flights every day of the week. The first arrival in Washington is at 7:00 AM and the last at 9:14 PM. The flight covers 492 miles.

Flying back, Washington to Portland has 26 nonstop flights a week. From Portland, Baltimore (BWI) and Ronald Reagan Washington National (DCA) are the other Washington area airports with nonstop flights, 28 and 21 a week.

Schedules as of Oct 9, 2026.