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HLN to CGP: distance & flight time
Helena (Helena Regional Airport) → Chittagong (Shah Amanat International Airport)
7,452 mi
11,993 km · 6,476 nm
15h 5m
estimated nonstop flight time
+12h
time difference · heading northwest
See live HLN→CGP fares Phone-only fares on this route — call free
Flight time details
7,452 miles nonstop takes roughly 15h 5m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- CGP — Shah Amanat International Airport · Chittagong, Bangladesh
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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near CGP
- CXB · Cox's Bazar Airport56 mi away
- BZL · Barisal Airport104 mi away
- IXA · Agartala Airport119 mi away
- AJL · Lengpui Airport121 mi away
Frequently asked questions
How far is HLN from CGP?
The flight distance from Helena (HLN) to Chittagong (CGP) is 7,452 miles (11,993 km, 6,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to CGP?
A nonstop flight takes about 15h 5m 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 Helena and Chittagong?
Chittagong is 12 hours ahead of Helena.
What is the cheapest way to fly from HLN to CGP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–CGP that never appear on search engines, with no booking fees.