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UBJ to HLN: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Helena (Helena Regional Airport)
5,626 mi
9,054 km · 4,889 nm
11h 30m
estimated nonstop flight time
-15h
time difference · heading northeast
See live UBJ→HLN fares Phone-only fares on this route — call free
Flight time details
5,626 miles nonstop takes roughly 11h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- HLN — Helena Regional Airport · Helena, 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 UBJ
- KKJ · Kitakyūshū Airport15 mi away
- OIT · Oita Airport41 mi away
- FUK · Fukuoka Airport53 mi away
- IWK · Iwakuni Marine Corps Air Station57 mi away
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is UBJ from HLN?
The flight distance from Yamaguchi (UBJ) to Helena (HLN) is 5,626 miles (9,054 km, 4,889 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to HLN?
A nonstop flight takes about 11h 30m 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 Yamaguchi and Helena?
Helena is 15 hours behind Yamaguchi.
What is the cheapest way to fly from UBJ to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–HLN that never appear on search engines, with no booking fees.