Nonstop flights from Pittsburgh to Houston

2 airlines fly from Pittsburgh (PIT) to 2 Houston airports (IAH and HOU), with up to 4 flights a day.

PITIAH

Routes

2 airport pairs

When they leave

Pittsburgh time

6:15a7:40pFirst departure 6:15 AM, last 7:40 PM

Two in the morning, 6:15 AM to 6:50 AM, then three in the afternoon, 1:00 PM to 1:15 PM, then four in the evening, 5:02 PM to 7:40 PM.

Every flight

Earliest first

6:15 AM→8:18 AMPIT to IAHUnited AirlinesBoeing 737Daily
6:50 AM→8:45 AMPIT to HOUSouthwest AirlinesBoeing 737-700Tue, Wed
1:00 PM→3:10 PMPIT to IAHUnited AirlinesEmbraer 175Tue
1:00 PM→3:03 PMPIT to IAHUnited AirlinesBoeing 737 MAX 8Wed, Thu
1:05 PM→3:08 PMPIT to IAHUnited AirlinesBoeing 737Mon, Fri
1:15 PM→3:10 PMPIT to HOUSouthwest AirlinesBoeing 737Mon, Thu, Fri
5:02 PM→7:05 PMPIT to IAHUnited AirlinesBoeing 737Mon, Fri, Sat, Sun
5:03 PM→7:10 PMPIT to IAHUnited AirlinesBoeing 737Tue, Wed, Thu
5:40 PM→7:35 PMPIT to HOUSouthwest AirlinesBoeing 737 MAX 8Sun
7:40 PM→9:50 PMPIT to HOUSouthwest AirlinesBoeing 737 MAX 8Sat

Schedules last checked Sep 19, 2026. Times are local.

Flying from Pittsburgh to Houston

United Airlines flies most often, 2 to 3 times a day on the Boeing 737, Boeing 737 MAX 8 and Embraer 175. Southwest Airlines flies daily on the Boeing 737 MAX 8, Boeing 737 and Boeing 737-700.

There are 3 or 4 flights every day of the week. The first arrival in Houston is at 8:18 AM and the last at 9:50 PM.

PIT to IAH is the busiest airport pair, with 19 flights a week, then PIT to HOU with 7.

Flying back, Houston to Pittsburgh has 27 nonstop flights a week.

Return flights

Houston to PittsburghView

Find the cheapest day to fly from Pittsburgh to Houston.

Schedules as of Oct 9, 2026.