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ASE to SDF: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Louisville (Louisville International Standiford Field)
1,139 mi
1,833 km · 990 nm
2h 57m
estimated nonstop flight time
+2h
time difference · heading east
See live ASE→SDF fares Phone-only fares on this route — call free
Flight time details
1,139 miles nonstop takes roughly 2h 57m 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from SDF?
The flight distance from Aspen (ASE) to Louisville (SDF) is 1,139 miles (1,833 km, 990 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to SDF?
A nonstop flight takes about 2h 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 Aspen and Louisville?
Louisville is 2 hours ahead of Aspen.
What is the cheapest way to fly from ASE to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–SDF that never appear on search engines, with no booking fees.