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YSG to SDF: distance & flight time
Lutselk'e (Lutselk'e Airport) → Louisville (Louisville International Standiford Field)
1,977 mi
3,182 km · 1,718 nm
4h 21m
estimated nonstop flight time
—
time difference · heading southeast
See live YSG→SDF fares Phone-only fares on this route — call free
Flight time details
1,977 miles nonstop takes roughly 4h 21m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YSG — Lutselk'e Airport · Lutselk'e, Canada
- 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 YSG
- YZF · Yellowknife Airport120 mi away
- YFR · Fort Resolution Airport130 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 YSG from SDF?
The flight distance from Lutselk'e (YSG) to Louisville (SDF) is 1,977 miles (3,182 km, 1,718 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSG to SDF?
A nonstop flight takes about 4h 21m 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 YSG to SDF?
Nonstop service on YSG–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 4h 21m nonstop estimate.
What is the cheapest way to fly from YSG to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSG–SDF that never appear on search engines, with no booking fees.
Why are some YSG to SDF fares phone-only?
Consolidator contracts let us sell certain YSG–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.