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IAH to ADL: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Adelaide (Adelaide International Airport)
9,315 mi
14,991 km · 8,095 nm
18h 44m
estimated nonstop flight time
+14.5h
time difference · heading west
See live IAH→ADL fares Phone-only fares on this route — call free
Flight time details
9,315 miles nonstop takes roughly 18h 44m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14.5-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- ADL — Adelaide International Airport · Adelaide, Australia
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 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
Near ADL
- PEA · Penneshaw Airport65 mi away
- KGC · Kingscote Airport78 mi away
- PPI · Port Pirie Airport122 mi away
- RMK · Renmark Airport132 mi away
Frequently asked questions
How far is IAH from ADL?
The flight distance from Houston (IAH) to Adelaide (ADL) is 9,315 miles (14,991 km, 8,095 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to ADL?
A nonstop flight takes about 18h 44m 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 time difference between Houston and Adelaide?
Adelaide is 14.5 hours ahead of Houston.
What is the cheapest way to fly from IAH to ADL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–ADL that never appear on search engines, with no booking fees.