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HLN to SYX: distance & flight time
Helena (Helena Regional Airport) → Sanya (Sanya Phoenix International Airport)
7,264 mi
11,690 km · 6,312 nm
14h 43m
estimated nonstop flight time
+14h
time difference · heading northwest
See live HLN→SYX fares Phone-only fares on this route — call free
Flight time details
7,264 miles nonstop takes roughly 14h 43m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- SYX — Sanya Phoenix International Airport · Sanya, China
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 SYX
- BAR · Qionghai Bo'ao Airport89 mi away
- HAK · Haikou Meilan International Airport132 mi away
Frequently asked questions
How far is HLN from SYX?
The flight distance from Helena (HLN) to Sanya (SYX) is 7,264 miles (11,690 km, 6,312 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to SYX?
A nonstop flight takes about 14h 43m 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 Sanya?
Sanya is 14 hours ahead of Helena.
What is the cheapest way to fly from HLN to SYX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–SYX that never appear on search engines, with no booking fees.