Need help booking?
Unpublished phone-only deals available
IAH to MGB: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Mount Gambier (Mount Gambier Airport)
9,220 mi
14,839 km · 8,012 nm
18h 33m
estimated nonstop flight time
+14.5h
time difference · heading southwest
See live IAH→MGB fares Phone-only fares on this route — call free
Flight time details
9,220 miles nonstop takes roughly 18h 33m gate to gate, flying southwest. 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
- MGB — Mount Gambier Airport · Mount Gambier, 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 MGB
- NAC · Naracoorte Airport53 mi away
- PTJ · Portland Airport54 mi away
- HLT · Hamilton Airport70 mi away
- WMB · Warrnambool Airport98 mi away
Frequently asked questions
How far is IAH from MGB?
The flight distance from Houston (IAH) to Mount Gambier (MGB) is 9,220 miles (14,839 km, 8,012 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to MGB?
A nonstop flight takes about 18h 33m 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 Mount Gambier?
Mount Gambier is 14.5 hours ahead of Houston.
What is the cheapest way to fly from IAH to MGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–MGB that never appear on search engines, with no booking fees.