Oklahoma City (OKC) to Houston (IAH) flights
One airline flies nonstop from Oklahoma City (OKC) to Houston (IAH): United Airlines. The two airports are 396 miles (638 km) apart. United Airlines is in Star Alliance. There are also 4 ways to fly it with one stop, through Dallas, Austin and Memphis and more.
Airlines flying nonstop from OKC to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book OKC to IAH with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
OKC to IAH with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DFW)American Airlines the whole way
- Via Austin (AUS)Southwest Airlines, then United Airlines
- Via Memphis (MEM)American Airlines, then United Airlines
- Via Nashville (BNA)Southwest Airlines, then United Airlines
OKC to IAH: common questions
Which airlines fly nonstop from OKC to IAH?
United Airlines (Star Alliance) flies nonstop from Oklahoma City (OKC) to Houston (IAH).
How far is Oklahoma City from Houston by plane?
Oklahoma City (OKC) and Houston (IAH) are 396 miles (638 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book OKC to IAH award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does OKC to IAH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for OKC to IAH with taxes and fees.
Where can I connect between Oklahoma City and Houston?
The most direct connections are through Dallas (DFW), Austin (AUS), Memphis (MEM) and Nashville (BNA). On 1 of them the same airline flies both flights, for example American Airlines through Dallas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.