Need help booking?
Unpublished phone-only deals available
INI to WBU: distance & flight time
Nis (Nis Airport) → Boulder (Boulder Municipal Airport)
5,799 mi
9,332 km · 5,039 nm
11h 50m
estimated nonstop flight time
-8h
time difference · heading northwest
See live INI→WBU fares Phone-only fares on this route — call free
Flight time details
5,799 miles nonstop takes roughly 11h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- INI — Nis Airport · Nis, Serbia
- 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 INI
- PRN · Priština International Airport67 mi away
- SOF · Sofia Airport90 mi away
- SKP · Skopje Alexander the Great Airport96 mi away
- CRA · Craiova Airport122 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 INI from WBU?
The flight distance from Nis (INI) to Boulder (WBU) is 5,799 miles (9,332 km, 5,039 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INI to WBU?
A nonstop flight takes about 11h 50m 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 Nis and Boulder?
Boulder is 8 hours behind Nis.
What is the cheapest way to fly from INI to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INI–WBU that never appear on search engines, with no booking fees.