United States Β· 636 miles (1,023 km)

Columbia (COU) to Houston (IAH) flights

One airline flies nonstop from Columbia (COU) to Houston (IAH): 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 COU to IAH

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

Book COU to IAH with points

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

COU 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
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Austin (AUS)American Airlines, then United Airlines
    American Airlines logo
    United Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Denver (DEN)United Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo

COU to IAH: common questions

Which airlines fly nonstop from COU to IAH?

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

How far is Columbia from Houston by plane?

Columbia (COU) and Houston (IAH) 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 COU to IAH 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 COU 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 COU to IAH with taxes and fees.

Where can I connect between Columbia and Houston?

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.