Need help booking?
Unpublished phone-only deals available
KOP to ICN: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Seoul (Incheon International Airport)
1,917 mi
3,086 km · 1,666 nm
4h 14m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOP→ICN fares Phone-only fares on this route — call free
Flight time details
1,917 miles nonstop takes roughly 4h 14m 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
- KOP — Nakhon Phanom Airport · Nakhon Phanom, 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 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 KOP from ICN?
The flight distance from Nakhon Phanom (KOP) to Seoul (ICN) is 1,917 miles (3,086 km, 1,666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to ICN?
A nonstop flight takes about 4h 14m 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 Phanom and Seoul?
Seoul is 2 hours ahead of Nakhon Phanom.
What is the cheapest way to fly from KOP to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–ICN that never appear on search engines, with no booking fees.