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NAK to ICN: distance & flight time
Nakhon Ratchasima (Nakhon Ratchasima Airport) → Seoul (Incheon International Airport)
2,145 mi
3,453 km · 1,864 nm
4h 40m
estimated nonstop flight time
+2h
time difference · heading northeast
See live NAK→ICN fares Phone-only fares on this route — call free
Flight time details
2,145 miles nonstop takes roughly 4h 40m 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
- NAK — Nakhon Ratchasima Airport · Nakhon Ratchasima, Thailand
- ICN — Incheon International Airport · Seoul, 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 NAK
- BFV · Buri Ram Airport66 mi away
- PXR · Surin Airport79 mi away
- KKC · Khon Kaen Airport109 mi away
- ROI · Roi Et Airport126 mi away
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is NAK from ICN?
The flight distance from Nakhon Ratchasima (NAK) to Seoul (ICN) is 2,145 miles (3,453 km, 1,864 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NAK to ICN?
A nonstop flight takes about 4h 40m 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 Ratchasima and Seoul?
Seoul is 2 hours ahead of Nakhon Ratchasima.
What is the cheapest way to fly from NAK to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NAK–ICN that never appear on search engines, with no booking fees.