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SDF to DLH: distance & flight time
Louisville (Louisville International Standiford Field) → Duluth (Duluth International Airport)
683 mi
1,099 km · 593 nm
1h 57m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SDF→DLH fares Phone-only fares on this route — call free
Flight time details
683 miles nonstop takes roughly 1h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- DLH — Duluth International Airport · Duluth, 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 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
Near DLH
- HIB · Range Regional Airport48 mi away
- GPZ · Grand Rapids Itasca Co-Gordon Newstrom field67 mi away
- HYR · Sawyer County Airport67 mi away
- LYU · Ely Municipal Airport70 mi away
Frequently asked questions
How far is SDF from DLH?
The flight distance from Louisville (SDF) to Duluth (DLH) is 683 miles (1,099 km, 593 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to DLH?
A nonstop flight takes about 1h 57m 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 Louisville and Duluth?
Duluth is 1 hour behind Louisville.
What is the cheapest way to fly from SDF to DLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–DLH that never appear on search engines, with no booking fees.