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BTS to WBU: distance & flight time
Bratislava (M. R. Štefánik Airport) → Boulder (Boulder Municipal Airport)
5,399 mi
8,689 km · 4,692 nm
11h 3m
estimated nonstop flight time
-8h
time difference · heading northwest
See live BTS→WBU fares Phone-only fares on this route — call free
Flight time details
5,399 miles nonstop takes roughly 11h 3m 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
- BTS — M. R. Štefánik Airport · Bratislava, 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 BTS
- VIE · Vienna International Airport30 mi away
- PZY · Piešťany Airport42 mi away
- UHE · Kunovice Airport60 mi away
- BRQ · Brno-Tuřany Airport72 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 BTS from WBU?
The flight distance from Bratislava (BTS) to Boulder (WBU) is 5,399 miles (8,689 km, 4,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTS to WBU?
A nonstop flight takes about 11h 3m 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 Bratislava and Boulder?
Boulder is 8 hours behind Bratislava.
What is the cheapest way to fly from BTS to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTS–WBU that never appear on search engines, with no booking fees.