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KSC to WBU: distance & flight time
Kosice (Košice Airport) → Boulder (Boulder Municipal Airport)
5,492 mi
8,838 km · 4,772 nm
11h 14m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KSC→WBU fares Phone-only fares on this route — call free
Flight time details
5,492 miles nonstop takes roughly 11h 14m 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
- KSC — Košice Airport · Kosice, Slovakia
- 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 KSC
- UDJ · Uzhhorod International Airport47 mi away
- TAT · Poprad-Tatry Airport54 mi away
- DEB · Debrecen International Airport83 mi away
- SLD · Sliač Airport96 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 KSC from WBU?
The flight distance from Kosice (KSC) to Boulder (WBU) is 5,492 miles (8,838 km, 4,772 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSC to WBU?
A nonstop flight takes about 11h 14m 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 Kosice and Boulder?
Boulder is 8 hours behind Kosice.
What is the cheapest way to fly from KSC to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSC–WBU that never appear on search engines, with no booking fees.