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KGS to BTM: distance & flight time
Kos (Kos Airport) → Butte (Bert Mooney Airport)
6,192 mi
9,966 km · 5,381 nm
12h 37m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KGS→BTM fares Phone-only fares on this route — call free
Flight time details
6,192 miles nonstop takes roughly 12h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KGS — Kos Airport · Kos, Greece
- BTM — Bert Mooney Airport · Butte, 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 KGS
- JKL · Kalymnos Airport14 mi away
- LRS · Leros Airport31 mi away
- BXN · Imsık Airport40 mi away
- JTY · Astypalaia Airport42 mi away
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is KGS from BTM?
The flight distance from Kos (KGS) to Butte (BTM) is 6,192 miles (9,966 km, 5,381 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KGS to BTM?
A nonstop flight takes about 12h 37m 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 Kos and Butte?
Butte is 9 hours behind Kos.
What is the cheapest way to fly from KGS to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KGS–BTM that never appear on search engines, with no booking fees.