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HLN to GAO: distance & flight time
Helena (Helena Regional Airport) → Guantanamo (Mariana Grajales Airport)
2,764 mi
4,448 km · 2,402 nm
5h 53m
estimated nonstop flight time
+2h
time difference · heading southeast
See live HLN→GAO fares Phone-only fares on this route — call free
Flight time details
2,764 miles nonstop takes roughly 5h 53m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- GAO — Mariana Grajales Airport · Guantanamo, Cuba
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 GAO
- NBW · Leeward Point Field13 mi away
- MOA · Orestes Acosta Airport42 mi away
- SCU · Antonio Maceo International Airport45 mi away
- BCA · Gustavo Rizo Airport46 mi away
Frequently asked questions
How far is HLN from GAO?
The flight distance from Helena (HLN) to Guantanamo (GAO) is 2,764 miles (4,448 km, 2,402 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to GAO?
A nonstop flight takes about 5h 53m 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 Guantanamo?
Guantanamo is 2 hours ahead of Helena.
What is the cheapest way to fly from HLN to GAO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–GAO that never appear on search engines, with no booking fees.