Need help booking?
Unpublished phone-only deals available
ZYL to HLN: distance & flight time
Sylhet Osmani (Osmany International Airport) → Helena (Helena Regional Airport)
7,272 mi
11,703 km · 6,319 nm
14h 44m
estimated nonstop flight time
-12h
time difference · heading north
See live ZYL→HLN fares Phone-only fares on this route — call free
Flight time details
7,272 miles nonstop takes roughly 14h 44m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- ZYL — Osmany International Airport · Sylhet Osmani, Bangladesh
- 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 ZYL
- IXH · Kailashahar Airport46 mi away
- SHL · Shillong Airport52 mi away
- IXS · Silchar Airport70 mi away
- GAU · Lokpriya Gopinath Bordoloi International Airport81 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 ZYL from HLN?
The flight distance from Sylhet Osmani (ZYL) to Helena (HLN) is 7,272 miles (11,703 km, 6,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZYL to HLN?
A nonstop flight takes about 14h 44m 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 Sylhet Osmani and Helena?
Helena is 12 hours behind Sylhet Osmani.
What is the cheapest way to fly from ZYL to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZYL–HLN that never appear on search engines, with no booking fees.