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HLN to POA: distance & flight time
Helena (Helena Regional Airport) → Porto Alegre (Salgado Filho Airport)
6,508 mi
10,474 km · 5,655 nm
13h 14m
estimated nonstop flight time
+3h
time difference · heading southeast
See live HLN→POA fares Phone-only fares on this route — call free
Flight time details
6,508 miles nonstop takes roughly 13h 14m gate to gate, flying southeast. 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
- POA — Salgado Filho Airport · Porto Alegre, 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 POA
- CXJ · Hugo Cantergiani Regional Airport55 mi away
- CCM · Diomício Freitas Airport137 mi away
- PET · João Simões Lopes Neto International Airport137 mi away
- PFB · Lauro Kurtz Airport140 mi away
Frequently asked questions
How far is HLN from POA?
The flight distance from Helena (HLN) to Porto Alegre (POA) is 6,508 miles (10,474 km, 5,655 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to POA?
A nonstop flight takes about 13h 14m 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 Porto Alegre?
Porto Alegre is 3 hours ahead of Helena.
What is the cheapest way to fly from HLN to POA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–POA that never appear on search engines, with no booking fees.