Washington to Philadelphia
IADPHL
Fly from Washington to Philadelphia starting at USD 204 with F9.
Best fare available on May 12, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Philadelphia cheapest flights this week
11 May
F9
15:59IAD
05:37PHL
2 Stop$212VIEW DEAL
12 May
F9
11:07IAD
23:48PHL
2 Stop$204VIEW DEAL
13 May
UA
08:35IAD
09:54PHL
Direct$269VIEW DEAL
16 May
UA
17:39IAD
18:58PHL
Direct$286VIEW DEAL
Washington to Philadelphia monthly flight fare trend
May
from USD 144
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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
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