Washington to Philadelphia
IADTTN
Fly from Washington to Philadelphia starting at SAR 944 with Frontier Airlines.
Best fare available on Oct 2, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Philadelphia cheapest flights this week
Washington to Philadelphia monthly flight fare trend
Sep
No flights
Oct
from SAR 944
Nov
No flights
Dec
No flights
Jan
No flights
Feb
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Philadelphia
Trenton Mercer Airport (TTN)
Ewing Township, TTN
Zone
New York
Elev
213 ft
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