ORD (Chicago) to Houston in September 2026

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

Lowest this month $100

Highest this month $157

Sample fare $75

Airports ORD–IAH

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September 2026 price calendar

From $100 · up to $157

Mon

Tue

Wed

Thu

Fri

Sat

Sun

2 $145 3 $151 4 $157 5 $137 6 $118 7 $118 8 $118 9 $118 10 $118 11 $118 12 $118 13 $118 14 $100

Houston HOU

$75

Oct 05, 2:46pm · 3h 9m · 0 stops

ORD → IAH · Frontier Airlines

This page is only September 2026 on the ORD (Chicago) to Houston 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 ORD (Chicago) to Houston in September 2026.