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WBU to LJU: distance & flight time
Boulder (Boulder Municipal Airport) → Ljubljana (Ljubljana Jože Pučnik Airport)
5,412 mi
8,710 km · 4,703 nm
11h 5m
estimated nonstop flight time
+8h
time difference · heading northeast
See live WBU→LJU fares Phone-only fares on this route — call free
Flight time details
5,412 miles nonstop takes roughly 11h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- LJU — Ljubljana Jože Pučnik Airport · Ljubljana, Slovenia
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 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
Near LJU
- KLU · Klagenfurt Airport29 mi away
- TRS · Trieste–Friuli Venezia Giulia Airport55 mi away
- MBX · Maribor Airport61 mi away
- POW · Portoroz Airport66 mi away
Frequently asked questions
How far is WBU from LJU?
The flight distance from Boulder (WBU) to Ljubljana (LJU) is 5,412 miles (8,710 km, 4,703 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to LJU?
A nonstop flight takes about 11h 5m 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 Boulder and Ljubljana?
Ljubljana is 8 hours ahead of Boulder.
What is the cheapest way to fly from WBU to LJU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–LJU that never appear on search engines, with no booking fees.