Philadelphia to Houston

PHLIAH

Fly from Philadelphia to Houston starting at USD 61 with Frontier Airlines.Best fare available on Oct 27, 2026.Limited seats. Better plans. Book before it's gone.

Philadelphia to Houston cheapest flights this week

12 Sept
Frontier Airlines
12:40PHL
23:30IAH
1 StopUSD 139VIEW DEAL
14 Sept
Frontier Airlines
12:40PHL
08:17IAH
1 StopUSD 138VIEW DEAL
15 Sept
Frontier Airlines
08:41PHL
23:30IAH
1 StopUSD 81VIEW DEAL
21 Oct
Frontier Airlines
08:30PHL
23:23IAH
1 StopUSD 88VIEW DEAL
26 Oct
Frontier Airlines
17:22PHL
08:23IAH
1 StopUSD 67VIEW DEAL
27 Oct
Frontier Airlines
17:00PHL
23:31IAH
1 StopUSD 61VIEW DEAL
27 Oct
Frontier Airlines
08:30PHL
23:31IAH
1 StopUSD 62VIEW DEAL
4 Nov
Frontier Airlines
07:10PHL
13:40IAH
1 StopUSD 84VIEW DEAL
7 Nov
Frontier Airlines
07:10PHL
16:05IAH
1 StopUSD 84VIEW DEAL
25 Mar
United Airlines
11:39PHL
19:48IAH
1 StopUSD 299VIEW DEAL

Philadelphia to Houston monthly flight fare trend

Sep
from USD 81
Oct
from USD 61
Nov
from USD 84
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

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

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