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ACH to HHQ: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Prachuap Khiri Khan (Hua Hin Airport)
5,595 mi
9,005 km · 4,862 nm
11h 26m
estimated nonstop flight time
+5h
time difference · heading east
See live ACH→HHQ fares Phone-only fares on this route — call free
Flight time details
5,595 miles nonstop takes roughly 11h 26m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
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 HHQ
- UTP · U-Tapao International Airport71 mi away
- BKK · Suvarnabhumi Airport90 mi away
- MGZ · Myeik Airport91 mi away
- DMK · Don Mueang International Airport99 mi away
Frequently asked questions
How far is ACH from HHQ?
The flight distance from Altenrhein (ACH) to Prachuap Khiri Khan (HHQ) is 5,595 miles (9,005 km, 4,862 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to HHQ?
A nonstop flight takes about 11h 26m 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 Prachuap Khiri Khan?
Prachuap Khiri Khan is 5 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to HHQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–HHQ that never appear on search engines, with no booking fees.