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HLN to QSC: distance & flight time
Helena (Helena Regional Airport) → Sao Carlos (Mário Pereira Lopes–São Carlos Airport)
6,187 mi
9,957 km · 5,376 nm
12h 36m
estimated nonstop flight time
+3h
time difference · heading southeast
See live HLN→QSC fares Phone-only fares on this route — call free
Flight time details
6,187 miles nonstop takes roughly 12h 36m 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
- QSC — Mário Pereira Lopes–São Carlos Airport · Sao Carlos, 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 QSC
- AQA · Araraquara Airport15 mi away
- QPS · Campo Fontenelle Airport37 mi away
- RAO · Leite Lopes Airport52 mi away
- JTC · Bauru - Arealva Airport76 mi away
Frequently asked questions
How far is HLN from QSC?
The flight distance from Helena (HLN) to Sao Carlos (QSC) is 6,187 miles (9,957 km, 5,376 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to QSC?
A nonstop flight takes about 12h 36m 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 Sao Carlos?
Sao Carlos is 3 hours ahead of Helena.
What is the cheapest way to fly from HLN to QSC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–QSC that never appear on search engines, with no booking fees.