Need help booking?
Unpublished phone-only deals available
HLN to DUM: distance & flight time
Helena (Helena Regional Airport) → Dumai (Pinang Kampai Airport)
8,537 mi
13,739 km · 7,419 nm
17h 12m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HLN→DUM fares Phone-only fares on this route — call free
Flight time details
8,537 miles nonstop takes roughly 17h 12m 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
- DUM — Pinang Kampai Airport · Dumai, Indonesia
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 DUM
- MKZ · Malacca Airport72 mi away
- PKU · Sultan Syarif Kasim Ii (Simpang Tiga) Airport79 mi away
- KUL · Kuala Lumpur International Airport81 mi away
- PPR · Pasir Pangaraan Airport90 mi away
Frequently asked questions
How far is HLN from DUM?
The flight distance from Helena (HLN) to Dumai (DUM) is 8,537 miles (13,739 km, 7,419 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to DUM?
A nonstop flight takes about 17h 12m 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 Dumai?
Dumai is 13 hours ahead of Helena.
What is the cheapest way to fly from HLN to DUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–DUM that never appear on search engines, with no booking fees.