Houston to Philadelphia in September 2026

Dated one-way fares from Houston to Philadelphia in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $89

Highest this month $145

Sample fare $89

Airports IAH–PHL

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September 2026 price calendar

From $89 · up to $145

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $116 2 $145 3 $117 4 $117 5 $117 6 $117 7 $117 8 $117 9 $117 10 $117 11 $117 12 $117 13 $117 14 $117 15 $89

Philadelphia PHL

$89

Sep 15, 9:04pm · 9h 12m · 1 stop

IAH → PHL · Frontier Airlines

Philadelphia PHL

$116

Sep 01, 4:32pm · 29h 1m · 1 stop

IAH → PHL · Frontier Airlines

This page is only September 2026 on the Houston to Philadelphia route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Houston to Philadelphia in September 2026.