Need help booking?
Unpublished phone-only deals available
FRA to SDF: distance & flight time
Frankfurt (Frankfurt am Main Airport) → Louisville (Louisville International Standiford Field)
4,433 mi
7,135 km · 3,853 nm
9h 10m
estimated nonstop flight time
-6h
time difference · heading northwest
See live FRA→SDF fares Phone-only fares on this route — call free
Flight time details
4,433 miles nonstop takes roughly 9h 10m 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
- FRA — Frankfurt am Main Airport · Frankfurt, Germany
- 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 FRA
- QEF · Frankfurt-Egelsbach Airport6 mi away
- WIE · Wiesbaden Army Airfield11 mi away
- ZNF · Hanau Army Air Field20 mi away
- MHG · Mannheim-City Airport39 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 FRA from SDF?
The flight distance from Frankfurt (FRA) to Louisville (SDF) is 4,433 miles (7,135 km, 3,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRA to SDF?
A nonstop flight takes about 9h 10m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FRA to SDF?
Nonstop service on FRA–SDF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 10m nonstop estimate.
What is the time difference between Frankfurt and Louisville?
Louisville is 6 hours behind Frankfurt.
What is the cheapest way to fly from FRA to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRA–SDF that never appear on search engines, with no booking fees.
Why are some FRA to SDF fares phone-only?
Consolidator contracts let us sell certain FRA–SDF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.