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SDF to WBU: distance & flight time
Louisville (Louisville International Standiford Field) → Boulder (Boulder Municipal Airport)
1,051 mi
1,691 km · 913 nm
2h 45m
estimated nonstop flight time
-2h
time difference · heading west
See live SDF→WBU fares Phone-only fares on this route — call free
Flight time details
1,051 miles nonstop takes roughly 2h 45m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is SDF from WBU?
The flight distance from Louisville (SDF) to Boulder (WBU) is 1,051 miles (1,691 km, 913 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to WBU?
A nonstop flight takes about 2h 45m 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 Boulder?
Boulder is 2 hours behind Louisville.
What is the cheapest way to fly from SDF to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–WBU that never appear on search engines, with no booking fees.