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ACH to IAH: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Houston (George Bush Intercontinental Houston Airport)
5,349 mi
8,608 km · 4,648 nm
10h 57m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACH→IAH fares Phone-only fares on this route — call free
Flight time details
5,349 miles nonstop takes roughly 10h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from IAH?
The flight distance from Altenrhein (ACH) to Houston (IAH) is 5,349 miles (8,608 km, 4,648 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to IAH?
A nonstop flight takes about 10h 57m 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 Altenrhein and Houston?
Houston is 7 hours behind Altenrhein.
What is the cheapest way to fly from ACH to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–IAH that never appear on search engines, with no booking fees.