Nonstop flights from Raleigh to Houston

3 airlines fly from Raleigh (RDU) to 2 Houston airports (IAH and HOU), with up to 5 flights a day.

RDUIAH

Routes

2 airport pairs

When they leave

Raleigh time

6:30a5:55pFirst departure 6:30 AM, last 5:55 PM

Two in the morning, 6:30 AM to 10:20 AM, then three in the afternoon, 12:00 PM to 1:35 PM, then two in the evening, 5:05 PM to 5:55 PM.

Every flight

Earliest first

6:30 AM→8:28 AMRDU to IAHUnited AirlinesBoeing 737Daily
10:20 AM→12:19 PMRDU to IAHFrontier AirlinesAirbus A321Daily
12:00 PM→1:45 PMRDU to HOUSouthwest AirlinesBoeing 737 MAX 8Sat
12:45 PM→2:49 PMRDU to IAHUnited AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri, Sun
1:35 PM→3:20 PMRDU to HOUSouthwest AirlinesBoeing 737 MAX 8Sun
5:05 PM→7:09 PMRDU to IAHUnited AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri, Sun
5:05 PM→6:50 PMRDU to HOUSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
5:55 PM→7:45 PMRDU to HOUSouthwest AirlinesBoeing 737 MAX 8Tue, Wed

Schedules last checked Sep 21, 2026. Times are local.

Flying from Raleigh to Houston

United Airlines flies most often, 1 to 3 times a day on the Boeing 737 and Embraer 175. Frontier Airlines flies daily on the Airbus A321. Southwest Airlines flies daily on the Boeing 737 MAX 8.

Flights run every day of the week, from 3 on Saturdays to 5 on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays and Sundays. The first arrival in Houston is at 8:28 AM and the last at 7:45 PM.

RDU to IAH is the busiest airport pair, with 26 flights a week, then RDU to HOU with 7.

Flying back, Houston to Raleigh has 33 nonstop flights a week.

Return flights

Houston to RaleighView

Find the cheapest day to fly from Raleigh to Houston.

Schedules as of Oct 9, 2026.