Raleigh/Durham (RDU) to Houston (IAH) flights
2 airlines fly nonstop from Raleigh/Durham (RDU) to Houston (IAH): Frontier Airlines and United Airlines. The two airports are 1,041 miles (1,675 km) apart. United Airlines is in Star Alliance. There are also 41 ways to fly it with one stop, through Charlotte, Birmingham and Atlanta and more.
Airlines flying nonstop from RDU to IAH
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book RDU 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
RDU to IAH with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Charlotte (CLT)American Airlines the whole way
- Via Birmingham (BHM)Breeze Airways, then United Airlines
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via New Orleans (MSY)Southwest Airlines and Breeze Airways, then United Airlines
- Via Nashville (BNA)Delta Air Lines, Southwest Airlines and 1 more, then United Airlines
- Via Pensacola (PNS)Breeze Airways, then United Airlines
- Via Memphis (MEM)Breeze Airways, then United Airlines
- Via Louisville (SDF)Breeze Airways, then United Airlines
- Via Jacksonville (JAX)Breeze Airways, then United Airlines
- Via Cincinnati (CVG)Delta Air Lines, then United Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Austin (AUS)Delta Air Lines and Southwest Airlines, then United Airlines
- Via Indianapolis (IND)Delta Air Lines, then United Airlines
- Via Saint Louis (STL)Southwest Airlines, then United Airlines
- Via Columbus (CMH)Breeze Airways, then United Airlines
RDU to IAH: common questions
Which airlines fly nonstop from RDU to IAH?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Raleigh/Durham (RDU) to Houston (IAH).
How far is Raleigh/Durham from Houston by plane?
Raleigh/Durham (RDU) and Houston (IAH) are 1,041 miles (1,675 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book RDU 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 RDU 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 RDU to IAH with taxes and fees.
Where can I connect between Raleigh/Durham and Houston?
The most direct connections are through Charlotte (CLT), Birmingham (BHM), Atlanta (ATL), New Orleans (MSY) and Nashville (BNA). On 18 of them the same airline flies both flights, for example American Airlines through Charlotte.
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.