Philadelphia to Washington

PHLIAD

Fly from Philadelphia to Washington starting at USD 102 with Frontier Airlines.Best fare available on Sep 14, 2026.Limited seats. Better plans. Book before it's gone.

Philadelphia to Washington cheapest flights this week

11 Sept
Frontier Airlines
17:32PHL
00:10IAD
1 StopUSD 170VIEW DEAL
14 Sept
Frontier Airlines
17:32PHL
00:28IAD
1 StopUSD 102VIEW DEAL
14 Sept
Frontier Airlines
07:15PHL
17:56IAD
2 StopUSD 206VIEW DEAL
15 Sept
Frontier Airlines
09:30PHL
13:07IAD
2 StopUSD 190VIEW DEAL
16 Sept
Frontier Airlines
11:57PHL
20:09IAD
1 StopUSD 208VIEW DEAL
18 Sept
Frontier Airlines
19:19PHL
17:18IAD
2 StopUSD 251VIEW DEAL
19 Sept
Frontier Airlines
07:50PHL
20:09IAD
1 StopUSD 218VIEW DEAL
20 Sept
Frontier Airlines
07:50PHL
20:09IAD
1 StopUSD 224VIEW DEAL
1 Nov
Frontier Airlines
17:28PHL
17:36IAD
1 StopUSD 109VIEW DEAL

Philadelphia to Washington monthly flight fare trend

Sep
from USD 102
Oct
No flights
Nov
from USD 109
Dec
No flights
Jan
No flights
Feb
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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