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PHN to NST: distance & flight time
Port Huron (St Clair County International Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
8,879 mi
14,289 km · 7,715 nm
17h 53m
estimated nonstop flight time
+12h
time difference · heading north
See live PHN→NST fares Phone-only fares on this route — call free
Flight time details
8,879 miles nonstop takes roughly 17h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
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 PHN
Near NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is PHN from NST?
The flight distance from Port Huron (PHN) to Nakhon Si Thammarat (NST) is 8,879 miles (14,289 km, 7,715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to NST?
A nonstop flight takes about 17h 53m 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 PHN to NST?
Nonstop service on PHN–NST 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 17h 53m nonstop estimate.
What is the time difference between Port Huron and Nakhon Si Thammarat?
Nakhon Si Thammarat is 12 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–NST that never appear on search engines, with no booking fees.
Why are some PHN to NST fares phone-only?
Consolidator contracts let us sell certain PHN–NST 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.