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

4 Sept
United Airlines
15:05PHL
16:23IAD
DirectUSD 176VIEW DEAL
5 Sept
Frontier Airlines
16:45PHL
22:52IAD
1 StopUSD 117VIEW DEAL
5 Sept
Frontier Airlines
08:30PHL
17:14IAD
1 StopUSD 115VIEW DEAL
6 Sept
Frontier Airlines
14:45PHL
22:52IAD
1 StopUSD 168VIEW DEAL
9 Sept
Frontier Airlines
08:41PHL
17:18IAD
1 StopUSD 137VIEW DEAL
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
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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