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SYT to SDF: distance & flight time
St.-yan (Saint-Yan Airport) → Louisville (Louisville International Standiford Field)
4,370 mi
7,033 km · 3,798 nm
9h 2m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SYT→SDF fares Phone-only fares on this route — call free
Flight time details
4,370 miles nonstop takes roughly 9h 2m 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
- SYT — Saint-Yan Airport · St.-yan, France
- 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 SYT
- RNE · Roanne-Renaison Airport24 mi away
- VHY · Vichy-Charmeil Airport34 mi away
- CFE · Clermont-Ferrand Auvergne Airport59 mi away
- NVS · Nevers-Fourchambault Airport59 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 SYT from SDF?
The flight distance from St.-yan (SYT) to Louisville (SDF) is 4,370 miles (7,033 km, 3,798 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYT to SDF?
A nonstop flight takes about 9h 2m 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 St.-yan and Louisville?
Louisville is 6 hours behind St.-yan.
What is the cheapest way to fly from SYT to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYT–SDF that never appear on search engines, with no booking fees.