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AUS to IAH: distance & flight time
Austin (Austin Bergstrom International Airport) → Houston (George Bush Intercontinental Houston Airport)
140 mi
225 km · 122 nm
50m
estimated nonstop flight time
Same time
time difference · heading east
See live AUS→IAH fares Phone-only fares on this route — call free
Flight time details
140 miles nonstop takes roughly 50m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- AUS — Austin Bergstrom International Airport · Austin, United States
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 mi away
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is AUS from IAH?
The flight distance from Austin (AUS) to Houston (IAH) is 140 miles (225 km, 122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to IAH?
A nonstop flight takes about 50m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from AUS to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–IAH that never appear on search engines, with no booking fees.