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ROI to ICN: distance & flight time
Roi Et (Roi Et Airport) → Seoul (Incheon International Airport)
2,022 mi
3,254 km · 1,757 nm
4h 26m
estimated nonstop flight time
+2h
time difference · heading northeast
See live ROI→ICN fares Phone-only fares on this route — call free
Flight time details
2,022 miles nonstop takes roughly 4h 26m 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
- ROI — Roi Et Airport · Roi Et, 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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 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 ROI from ICN?
The flight distance from Roi Et (ROI) to Seoul (ICN) is 2,022 miles (3,254 km, 1,757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to ICN?
A nonstop flight takes about 4h 26m 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 Roi Et and Seoul?
Seoul is 2 hours ahead of Roi Et.
What is the cheapest way to fly from ROI to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–ICN that never appear on search engines, with no booking fees.