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HLN to CJM: distance & flight time
Helena (Helena Regional Airport) → Chumphon (Chumphon Airport)
8,028 mi
12,921 km · 6,977 nm
16h 13m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HLN→CJM fares Phone-only fares on this route — call free
Flight time details
8,028 miles nonstop takes roughly 16h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- CJM — Chumphon Airport · Chumphon, Thailand
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 CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 mi away
Frequently asked questions
How far is HLN from CJM?
The flight distance from Helena (HLN) to Chumphon (CJM) is 8,028 miles (12,921 km, 6,977 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to CJM?
A nonstop flight takes about 16h 13m 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 Chumphon?
Chumphon is 13 hours ahead of Helena.
What is the cheapest way to fly from HLN to CJM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–CJM that never appear on search engines, with no booking fees.