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DET to ACH: distance & flight time
Detroit (Coleman A. Young Municipal Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,260 mi
6,856 km · 3,702 nm
8h 49m
estimated nonstop flight time
+6h
time difference · heading northeast
See live DET→ACH fares Phone-only fares on this route — call free
Flight time details
4,260 miles nonstop takes roughly 8h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- DET — Coleman A. Young Municipal Airport · Detroit, United States
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
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 DET
- DTW · Detroit Metropolitan Wayne County Airport22 mi away
- YQG · Windsor Airport10 mi away
- MTC · Selfridge Air National Guard Base Airport17 mi away
- PTK · Oakland County International Airport27 mi away
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is DET from ACH?
The flight distance from Detroit (DET) to Altenrhein (ACH) is 4,260 miles (6,856 km, 3,702 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DET to ACH?
A nonstop flight takes about 8h 49m 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 Detroit and Altenrhein?
Altenrhein is 6 hours ahead of Detroit.
What is the cheapest way to fly from DET to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DET–ACH that never appear on search engines, with no booking fees.