Need help booking?
Unpublished phone-only deals available
HLN to IOS: distance & flight time
Helena (Helena Regional Airport) → Ilheus (Bahia - Jorge Amado Airport)
6,183 mi
9,951 km · 5,373 nm
12h 35m
estimated nonstop flight time
+3h
time difference · heading east
See live HLN→IOS fares Phone-only fares on this route — call free
Flight time details
6,183 miles nonstop takes roughly 12h 35m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- IOS — Bahia - Jorge Amado Airport · Ilheus, Brazil
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 IOS
- UNA · Hotel Transamérica Airport37 mi away
- VAL · Valença Airport105 mi away
- BPS · Porto Seguro Airport112 mi away
- VDC · Vitória da Conquista Airport122 mi away
Frequently asked questions
How far is HLN from IOS?
The flight distance from Helena (HLN) to Ilheus (IOS) is 6,183 miles (9,951 km, 5,373 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to IOS?
A nonstop flight takes about 12h 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 Helena and Ilheus?
Ilheus is 3 hours ahead of Helena.
What is the cheapest way to fly from HLN to IOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–IOS that never appear on search engines, with no booking fees.