Columbus (CMH) to Houston (IAH) flights
One airline flies nonstop from Columbus (CMH) to Houston (IAH): United Airlines. The two airports are 986 miles (1,587 km) apart. United Airlines is in Star Alliance. There are also 33 ways to fly it with one stop, through Nashville, Saint Louis and Atlanta and more.
Airlines flying nonstop from CMH to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book CMH 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
CMH to IAH with one stop
33 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines, then United Airlines


- Via Saint Louis (STL)Southwest Airlines, then United Airlines


- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way






- Via Dallas (DFW)American Airlines the whole way



- Via Greenville (GSP)Breeze Airways, then United Airlines


- Via Austin (AUS)Southwest Airlines and Delta Air Lines, then United Airlines



- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Detroit (DTW)Delta Air Lines the whole way




- Via Panama City (ECP)Southwest Airlines, then United Airlines


- Via Charlotte (CLT)American Airlines the whole way




- Via Kansas City (MCI)Southwest Airlines, then United Airlines


- Via Savannah (SAV)Breeze Airways, then United Airlines


- Via Raleigh/Durham (RDU)Breeze Airways, then United Airlines and Frontier Airlines



- Via Charleston (CHS)Breeze Airways, then United Airlines


- Via Omaha (OMA)Southwest Airlines, then United Airlines


CMH to IAH: common questions
Which airlines fly nonstop from CMH to IAH?
United Airlines (Star Alliance) flies nonstop from Columbus (CMH) to Houston (IAH).
How far is Columbus from Houston by plane?
Columbus (CMH) and Houston (IAH) are 986 miles (1,587 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book CMH 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 CMH 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 CMH to IAH with taxes and fees.
Where can I connect between Columbus and Houston?
The most direct connections are through Nashville (BNA), Saint Louis (STL), Atlanta (ATL), Dallas (DFW) and Greenville (GSP). On 15 of them the same airline flies both flights, for example Delta Air Lines through Atlanta.
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.