United States Β· 636 miles (1,023 km)

Houston (IAH) to Columbia (COU) flights

One airline flies nonstop from Houston (IAH) to Columbia (COU): American Airlines. The two airports are 636 miles (1,023 km) apart. American Airlines is in oneworld. There are also 4 ways to fly it with one stop, through Dallas, Austin and Chicago and more.

Airlines flying nonstop from IAH to COU

  • American Airlines logo
    American Airlinesoneworld Β· bookable with 9 programsWho books it

Book IAH to COU with points

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

IAH to COU 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 American Airlines
    United Airlines logo
    American Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Denver (DEN)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    United Airlines logo

IAH to COU: common questions

Which airlines fly nonstop from IAH to COU?

American Airlines (oneworld) flies nonstop from Houston (IAH) to Columbia (COU).

How far is Houston from Columbia by plane?

Houston (IAH) and Columbia (COU) are 636 miles (1,023 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 COU award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAH to COU 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 COU with taxes and fees.

Where can I connect between Houston and Columbia?

The most direct connections are through Dallas (DFW), Austin (AUS), Chicago (ORD) and Denver (DEN). On 3 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.