Nonstop flights from Houston to Tucson

2 airlines fly from 2 Houston airports (IAH and HOU) to Tucson (TUS), with up to 3 flights a day.

IAHTUS

Routes

2 airport pairs

Houston time

9:40a11:00pFirst departure 9:40 AM, last 11:00 PM

One morning flight at 9:40 AM, then four in the evening, 7:10 PM to 11:00 PM.

Earliest first

9:40 AM→10:20 AMIAH to TUSUnited AirlinesEmbraer 175Daily
7:10 PM→8:45 PMHOU to TUSSouthwest AirlinesFrom Nov 21Boeing 737Mon, Tue, Wed, Fri
8:28 PM→9:14 PMIAH to TUSUnited AirlinesEmbraer 175Daily
10:45 PM→12:20 AM⁺¹HOU to TUSSouthwest AirlinesFrom Nov 21Boeing 737Sat
11:00 PM→12:35 AM⁺¹HOU to TUSSouthwest AirlinesFrom Nov 21Boeing 737 MAX 8Sun

Schedules last checked Sep 22, 2026. Times are local.

United Airlines flies most often, twice a day on the Embraer 175. Southwest Airlines flies 6 times a week on the Boeing 737 and Boeing 737 MAX 8.

There are 2 or 3 flights every day of the week. The first arrival in Tucson is at 10:20 AM and the last at 12:35 AM the next day.

IAH to TUS is the busiest airport pair, with 14 flights a week, then HOU to TUS with 6.

On HOU to TUS, Southwest Airlines starts on Nov 21.

Flying back, Tucson to Houston has 20 nonstop flights a week.

Schedules as of Oct 9, 2026.