Washington to Philadelphia
IADPHL
Fly from Washington to Philadelphia starting at USD 116 with 0P.
Best fare available on Apr 25, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Philadelphia cheapest flights this week
24 Apr
UA
08:39IAD
--:--PHL
Direct$127VIEW DEAL
25 Apr
0P
12:55IAD
--:--PHL
Direct$116VIEW DEAL
Washington to Philadelphia monthly flight fare trend
Apr
from USD 116
May
No flights
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Philadelphia
Philadelphia International Airport (PHL)
Philadelphia, PHL
Zone
New York
Elev
36 ft
