Houston (IAH) to Raleigh/Durham (RDU) flights
2 airlines fly nonstop from Houston (IAH) to Raleigh/Durham (RDU): 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 42 ways to fly it with one stop, through Charlotte, Birmingham and Atlanta and more.
Airlines flying nonstop from IAH to RDU
- Frontier AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAH to RDU 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
IAH to RDU with one stop
42 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)United Airlines, then Breeze Airways


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





- Via New Orleans (MSY)United Airlines, then Southwest Airlines and Breeze Airways



- Via Nashville (BNA)United Airlines, then Delta Air Lines, Southwest Airlines and 1 more




- Via Pensacola (PNS)United Airlines, then Breeze Airways


- Via Memphis (MEM)United Airlines, then Breeze Airways


- Via Louisville (SDF)United Airlines, then Breeze Airways


- Via Jacksonville (JAX)United Airlines, then Breeze Airways


- Via Cincinnati (CVG)United Airlines, then Delta Air Lines


- Via Dallas (DFW)American Airlines the whole way




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



- Via Indianapolis (IND)United Airlines, then Delta Air Lines


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


- Via Columbus (CMH)United Airlines, then Breeze Airways


IAH to RDU: common questions
Which airlines fly nonstop from IAH to RDU?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Raleigh/Durham (RDU).
How far is Houston from Raleigh/Durham by plane?
Houston (IAH) and Raleigh/Durham (RDU) 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 IAH to RDU 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 RDU 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 RDU with taxes and fees.
Where can I connect between Houston and Raleigh/Durham?
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.