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NST to SSN: distance & flight time
Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → Seoul East (Seoul Air Base (K-16))
2,620 mi
4,217 km · 2,277 nm
5h 36m
estimated nonstop flight time
+2h
time difference · heading northeast
See live NST→SSN fares Phone-only fares on this route — call free
Flight time details
2,620 miles nonstop takes roughly 5h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Near SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is NST from SSN?
The flight distance from Nakhon Si Thammarat (NST) to Seoul East (SSN) is 2,620 miles (4,217 km, 2,277 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NST to SSN?
A nonstop flight takes about 5h 36m 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 Nakhon Si Thammarat and Seoul East?
Seoul East is 2 hours ahead of Nakhon Si Thammarat.
What is the cheapest way to fly from NST to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–SSN that never appear on search engines, with no booking fees.