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ACH to SDF: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Louisville (Louisville International Standiford Field)
4,561 mi
7,340 km · 3,963 nm
9h 25m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ACH→SDF fares Phone-only fares on this route — call free
Flight time details
4,561 miles nonstop takes roughly 9h 25m 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
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Frequently asked questions
How far is ACH from SDF?
The flight distance from Altenrhein (ACH) to Louisville (SDF) is 4,561 miles (7,340 km, 3,963 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to SDF?
A nonstop flight takes about 9h 25m 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 Louisville?
Louisville is 6 hours behind Altenrhein.
What is the cheapest way to fly from ACH to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–SDF that never appear on search engines, with no booking fees.