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HLN to TCZ: distance & flight time
Helena (Helena Regional Airport) → Tengchong (Tengchong Tuofeng Airport)
7,139 mi
11,490 km · 6,204 nm
14h 28m
estimated nonstop flight time
+15h
time difference · heading northwest
See live HLN→TCZ fares Phone-only fares on this route — call free
Flight time details
7,139 miles nonstop takes roughly 14h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- TCZ — Tengchong Tuofeng Airport · Tengchong, 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 TCZ
- LUM · Mangshi Airport37 mi away
- BSD · Baoshan Yunduan Airport43 mi away
- MYT · Myitkyina Airport77 mi away
- BMO · Banmaw Airport91 mi away
Frequently asked questions
How far is HLN from TCZ?
The flight distance from Helena (HLN) to Tengchong (TCZ) is 7,139 miles (11,490 km, 6,204 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to TCZ?
A nonstop flight takes about 14h 28m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HLN to TCZ?
Nonstop service on HLN–TCZ depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 28m nonstop estimate.
What is the time difference between Helena and Tengchong?
Tengchong is 15 hours ahead of Helena.
What is the cheapest way to fly from HLN to TCZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–TCZ that never appear on search engines, with no booking fees.
Why are some HLN to TCZ fares phone-only?
Consolidator contracts let us sell certain HLN–TCZ tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.