Nonstop flights from Tucson to Houston

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

TUSIAH

Routes

2 airport pairs

Tucson time

5:25a11:45aFirst departure 5:25 AM, last 11:45 AM

Five in the morning, 5:25 AM to 11:45 AM.

Earliest first

5:25 AM→8:40 AMTUS to HOUSouthwest AirlinesFrom Nov 21Boeing 737Sun
5:30 AM→8:45 AMTUS to HOUSouthwest AirlinesFrom Nov 21Boeing 737Sat
6:30 AM→11:03 AMTUS to IAHUnited AirlinesEmbraer 175Daily
11:11 AM→3:40 PMTUS to IAHUnited AirlinesEmbraer 175Daily
11:45 AM→3:00 PMTUS to HOUSouthwest AirlinesFrom Nov 21Boeing 737 MAX 8Mon, Tue, Wed, Fri

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 Houston is at 8:40 AM and the last at 3:40 PM.

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

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

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

Schedules as of Oct 9, 2026.