Philadelphia to Washington

PHLIAD

Fly from Philadelphia to Washington starting at USD 101 with Frontier Airlines.Best fare available on Aug 30, 2026.Limited seats. Better plans. Book before it's gone.

Philadelphia to Washington cheapest flights this week

16 Aug
Frontier Airlines
11:03PHL
17:14IAD
2 StopUSD 236VIEW DEAL
19 Aug
United Airlines
19:40PHL
20:59IAD
DirectUSD 104VIEW DEAL
20 Aug
United Airlines
15:05PHL
16:23IAD
DirectUSD 125VIEW DEAL
21 Aug
United Airlines
19:40PHL
20:59IAD
DirectUSD 125VIEW DEAL
30 Aug
Frontier Airlines
08:30PHL
22:52IAD
1 StopUSD 101VIEW DEAL
14 Sept
Frontier Airlines
17:32PHL
00:28IAD
1 StopUSD 102VIEW DEAL
1 Nov
Frontier Airlines
17:28PHL
17:36IAD
1 StopUSD 109VIEW DEAL

Philadelphia to Washington monthly flight fare trend

Aug
from USD 101
Sep
from USD 102
Oct
No flights
Nov
from USD 109
Dec
No flights
Jan
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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