Need help booking?
Unpublished phone-only deals available
GTF to SDF: distance & flight time
Great Falls (Great Falls International Airport) → Louisville (Louisville International Standiford Field)
1,440 mi
2,318 km · 1,252 nm
3h 36m
estimated nonstop flight time
+2h
time difference · heading east
See live GTF→SDF fares Phone-only fares on this route — call free
Flight time details
1,440 miles nonstop takes roughly 3h 36m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from SDF?
The flight distance from Great Falls (GTF) to Louisville (SDF) is 1,440 miles (2,318 km, 1,252 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SDF?
A nonstop flight takes about 3h 36m 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 Great Falls and Louisville?
Louisville is 2 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SDF that never appear on search engines, with no booking fees.