Austin (AUS) to Houston (IAH) flights
One airline flies nonstop from Austin (AUS) to Houston (IAH): United Airlines. The two airports are 140 miles (225 km) apart. United Airlines is in Star Alliance. There are also 13 ways to fly it with one stop, through Dallas, Harlingen and McAllen and more.
Airlines flying nonstop from AUS to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book AUS 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
AUS to IAH with one stop
13 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DFW)American Airlines the whole way
- Via Harlingen (HRL)Southwest Airlines, then United Airlines
- Via McAllen (MFE)Delta Air Lines, then United Airlines
- Via Baton Rouge (BTR)United Airlines the whole way
- Via Midland (MAF)Southwest Airlines, then United Airlines
- Via New Orleans (MSY)Southwest Airlines and Delta Air Lines, then United Airlines
- Via Monterrey (MTY)VivaAerobus the whole way
- Via Oklahoma City (OKC)Southwest Airlines, then United Airlines
- Via Lubbock (LBB)Southwest Airlines, then United Airlines
- Via Tulsa (TUL)Southwest Airlines, then United Airlines
- Via Bentonville (XNA)American Airlines, then United Airlines
- Via Amarillo (AMA)Southwest Airlines, then United Airlines
- Via Memphis (MEM)American Airlines, Delta Air Lines and 1 more, then United Airlines
AUS to IAH: common questions
Which airlines fly nonstop from AUS to IAH?
United Airlines (Star Alliance) flies nonstop from Austin (AUS) to Houston (IAH).
How far is Austin from Houston by plane?
Austin (AUS) and Houston (IAH) are 140 miles (225 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book AUS 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 AUS 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 AUS to IAH with taxes and fees.
Where can I connect between Austin and Houston?
The most direct connections are through Dallas (DFW), Harlingen (HRL), McAllen (MFE), Baton Rouge (BTR) and Midland (MAF). 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.