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GAU to HLN: distance & flight time
Guwahati (Lokpriya Gopinath Bordoloi International Airport) → Helena (Helena Regional Airport)
7,201 mi
11,589 km · 6,258 nm
14h 35m
estimated nonstop flight time
-11.5h
time difference · heading north
See live GAU→HLN fares Phone-only fares on this route — call free
Flight time details
7,201 miles nonstop takes roughly 14h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
- 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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 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 GAU from HLN?
The flight distance from Guwahati (GAU) to Helena (HLN) is 7,201 miles (11,589 km, 6,258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAU to HLN?
A nonstop flight takes about 14h 35m 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 Guwahati and Helena?
Helena is 11.5 hours behind Guwahati.
What is the cheapest way to fly from GAU to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAU–HLN that never appear on search engines, with no booking fees.