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TCZ to HLN: distance & flight time

Tengchong (Tengchong Tuofeng Airport) → Helena (Helena Regional Airport)

7,139 mi
11,490 km · 6,204 nm
14h 28m
estimated nonstop flight time
-14h
time difference · heading north
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Flight time details

7,139 miles nonstop takes roughly 14h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is TCZ from HLN?

The flight distance from Tengchong (TCZ) to Helena (HLN) 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 TCZ to HLN?

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.

What is the time difference between Tengchong and Helena?

Helena is 14 hours behind Tengchong.

What is the cheapest way to fly from TCZ to HLN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TCZ–HLN that never appear on search engines, with no booking fees.
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