Nonstop flights from Oklahoma City to Houston

2 airlines fly from Oklahoma City (OKC) to 2 Houston airports (IAH and HOU), with up to 11 flights a day.

OKCIAH

Routes

2 airport pairs

When they leave

Oklahoma City time

5:00a7:08pFirst departure 5:00 AM, last 7:08 PM

Seven in the morning, 5:00 AM to 11:40 AM, then six in the afternoon, 12:02 PM to 4:25 PM, then two in the evening, 5:05 PM to 7:08 PM.

Every flight

Earliest first

5:00 AM→6:29 AMOKC to IAHUnited AirlinesEmbraer 175Daily
7:00 AM→8:28 AMOKC to IAHUnited AirlinesAirbus A319Daily
7:10 AM→8:35 AMOKC to HOUSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
9:05 AM→10:35 AMOKC to HOUSouthwest AirlinesBoeing 737-700Tue, Wed, Sat, Sun
9:38 AM→11:15 AMOKC to IAHUnited AirlinesEmbraer 175Daily
10:35 AM→12:00 PMOKC to HOUSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
11:40 AM→1:05 PMOKC to HOUSouthwest AirlinesBoeing 737-700Sun
12:02 PM→1:40 PMOKC to IAHUnited AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri, Sun
12:02 PM→1:30 PMOKC to IAHUnited AirlinesAirbus A319Sat
1:38 PM→3:19 PMOKC to IAHUnited AirlinesEmbraer 175Daily
2:38 PM→4:18 PMOKC to IAHUnited AirlinesEmbraer 175Mon, Wed, Thu, Fri, Sun
2:38 PM→4:18 PMOKC to IAHUnited AirlinesEmbraer ERJTue
3:30 PM→4:55 PMOKC to HOUSouthwest AirlinesBoeing 737-700Sat
3:55 PM→5:25 PMOKC to HOUSouthwest AirlinesBoeing 737-700Tue, Wed
4:25 PM→5:50 PMOKC to HOUSouthwest AirlinesBoeing 737-700Daily
5:05 PM→6:55 PMOKC to IAHUnited AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri, Sat
5:05 PM→6:55 PMOKC to IAHUnited AirlinesEmbraer ERJSun
7:08 PM→8:39 PMOKC to IAHUnited AirlinesEmbraer 175Mon, Thu, Fri, Sun

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

Flying from Oklahoma City to Houston

United Airlines flies most often, 6 to 8 times a day on the Embraer 175, Airbus A319 and Embraer ERJ. Southwest Airlines flies 3 times a day on the Boeing 737-700.

Flights run every day of the week, from 9 on Saturdays to 11 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Houston is at 6:29 AM and the last at 8:39 PM.

OKC to IAH is the busiest airport pair, with 52 flights a week, then OKC to HOU with 21.

Flying back, Houston to Oklahoma City has 73 nonstop flights a week.

Return flights

Houston to Oklahoma CityView

Find the cheapest day to fly from Oklahoma City to Houston.

Schedules as of Oct 9, 2026.