Washington to Philadelphia
IADPHL
Fly from Washington to Philadelphia starting at USD 47 with Frontier Airlines.
Best fare available on Nov 10, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Philadelphia cheapest flights this week
Washington to Philadelphia monthly flight fare trend
Oct
from USD 53
Nov
from USD 47
Dec
from USD 51
Jan
No flights
Feb
from USD 276
Mar
from USD 204
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
Flights from Washington
Flights from Washington to AtlantaFlights from Washington to AustinFlights from Washington to BostonFlights from Washington to CharlotteFlights from Washington to DenverFlights from Washington to DallasFlights from Washington to DetroitFlights from Washington to NewarkFlights from Washington to Fort LauderdaleFlights from Washington to Honolulu
