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ACH to AAP: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Houston (Andrau Airpark)
5,372 mi
8,646 km · 4,668 nm
11h
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACH→AAP fares Phone-only fares on this route — call free
Flight time details
5,372 miles nonstop takes roughly 11h 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
- AAP — Andrau Airpark · 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 AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 mi away
Frequently asked questions
How far is ACH from AAP?
The flight distance from Altenrhein (ACH) to Houston (AAP) is 5,372 miles (8,646 km, 4,668 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to AAP?
A nonstop flight takes about 11h 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 AAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–AAP that never appear on search engines, with no booking fees.