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FLD to SDF: distance & flight time
Fond du Lac (Fond du Lac County Airport) → Louisville (Louisville International Standiford Field)
412 mi
664 km · 358 nm
1h 22m
estimated nonstop flight time
+1h
time difference · heading south
See live FLD→SDF fares Phone-only fares on this route — call free
Flight time details
412 miles nonstop takes roughly 1h 22m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FLD — Fond du Lac County Airport · Fond du Lac, United States
- 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 FLD
- OSH · Wittman Regional Airport15 mi away
- ETB · West Bend Municipal Airport30 mi away
- SBM · Sheboygan County Memorial Airport32 mi away
- ATW · Appleton International Airport34 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 FLD from SDF?
The flight distance from Fond du Lac (FLD) to Louisville (SDF) is 412 miles (664 km, 358 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLD to SDF?
A nonstop flight takes about 1h 22m 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 FLD to SDF?
Nonstop service on FLD–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 1h 22m nonstop estimate.
What is the time difference between Fond du Lac and Louisville?
Louisville is 1 hour ahead of Fond du Lac.
What is the cheapest way to fly from FLD to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLD–SDF that never appear on search engines, with no booking fees.
Why are some FLD to SDF fares phone-only?
Consolidator contracts let us sell certain FLD–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.