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WBU to KUN: distance & flight time
Boulder (Boulder Municipal Airport) → Kaunas (Kaunas International Airport)
5,225 mi
8,409 km · 4,540 nm
10h 43m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→KUN fares Phone-only fares on this route — call free
Flight time details
5,225 miles nonstop takes roughly 10h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- KUN — Kaunas International Airport · Kaunas, Lithuania
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 KUN
- VNO · Vilnius International Airport53 mi away
- PNV · Panevėžys Air Base55 mi away
- SQQ · Šiauliai International Airport70 mi away
- HLJ · Barysiai Airport79 mi away
Frequently asked questions
How far is WBU from KUN?
The flight distance from Boulder (WBU) to Kaunas (KUN) is 5,225 miles (8,409 km, 4,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to KUN?
A nonstop flight takes about 10h 43m 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 Kaunas?
Kaunas is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to KUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–KUN that never appear on search engines, with no booking fees.