Phoenix to Houston in August 2026

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

Lowest this month $115

Highest this month $172

Sample fare $69

Airports PHX–IAH

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August 2026 price calendar

From $115 · up to $172

Mon

Tue

Wed

Thu

Fri

Sat

Sun

25 $115 26 $115 27 $165 28 $172 29 $130 30 $168

Houston HOU

$69

Sep 30, 8:30am · 7h 55m · 1 stop

PHX → IAH · Frontier Airlines

This page is only August 2026 on the Phoenix 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 Phoenix to Houston in August 2026.