United States Β· 396 miles (638 km)

Houston (IAH) to Oklahoma City (OKC) flights

One airline flies nonstop from Houston (IAH) to Oklahoma City (OKC): 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 IAH to OKC

  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book IAH to OKC with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAH to OKC 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
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Austin (AUS)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Memphis (MEM)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Nashville (BNA)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo

IAH to OKC: common questions

Which airlines fly nonstop from IAH to OKC?

United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Oklahoma City (OKC).

How far is Houston from Oklahoma City by plane?

Houston (IAH) and Oklahoma City (OKC) 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 IAH to OKC 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 IAH to OKC cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to OKC with taxes and fees.

Where can I connect between Houston and Oklahoma City?

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.