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TNH to PHN: distance & flight time
Tonghua (Tonghua Sanyuanpu Airport) → Port Huron (St Clair County International Airport)
6,297 mi
10,134 km · 5,472 nm
12h 49m
estimated nonstop flight time
-12h
time difference · heading north
See live TNH→PHN fares Phone-only fares on this route — call free
Flight time details
6,297 miles nonstop takes roughly 12h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- TNH — Tonghua Sanyuanpu Airport · Tonghua, China
- PHN — St Clair County International Airport · Port Huron, United States
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 TNH
- NBS · Changbaishan Airport98 mi away
- CGQ · Longjia Airport120 mi away
- SHE · Taoxian Airport122 mi away
Near PHN
Frequently asked questions
How far is TNH from PHN?
The flight distance from Tonghua (TNH) to Port Huron (PHN) is 6,297 miles (10,134 km, 5,472 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNH to PHN?
A nonstop flight takes about 12h 49m 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 TNH to PHN?
Nonstop service on TNH–PHN 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 12h 49m nonstop estimate.
What is the time difference between Tonghua and Port Huron?
Port Huron is 12 hours behind Tonghua.
What is the cheapest way to fly from TNH to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNH–PHN that never appear on search engines, with no booking fees.
Why are some TNH to PHN fares phone-only?
Consolidator contracts let us sell certain TNH–PHN 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.