Need help booking?
Unpublished phone-only deals available
ACH to PHN: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Port Huron (St Clair County International Airport)
4,219 mi
6,790 km · 3,666 nm
8h 44m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ACH→PHN fares Phone-only fares on this route — call free
Flight time details
4,219 miles nonstop takes roughly 8h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- PHN — St Clair County International Airport · Port Huron, 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 PHN
Frequently asked questions
How far is ACH from PHN?
The flight distance from Altenrhein (ACH) to Port Huron (PHN) is 4,219 miles (6,790 km, 3,666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to PHN?
A nonstop flight takes about 8h 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 Altenrhein and Port Huron?
Port Huron is 6 hours behind Altenrhein.
What is the cheapest way to fly from ACH to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–PHN that never appear on search engines, with no booking fees.