Philadelphia to Washington
PHLIAD
Fly from Philadelphia to Washington starting at USD 110 with United Airlines.
Best fare available on Jul 11, 2026.
Limited seats. Better plans. Book before it's gone.
Philadelphia to Washington cheapest flights this week
Philadelphia to Washington monthly flight fare trend
Jul
from USD 110
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Dec
No flights
Airport Details
Origin
Philadelphia
Philadelphia International Airport (PHL)
Philadelphia, PHL
Zone
New York
Elev
36 ft
Destination
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
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