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CEI to ICN: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Seoul (Incheon International Airport)
2,002 mi
3,222 km · 1,740 nm
4h 24m
estimated nonstop flight time
+2h
time difference · heading northeast
See live CEI→ICN fares Phone-only fares on this route — call free
Flight time details
2,002 miles nonstop takes roughly 4h 24m 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
- CEI — Chiang Rai International Airport · Chiang Rai, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 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 CEI from ICN?
The flight distance from Chiang Rai (CEI) to Seoul (ICN) is 2,002 miles (3,222 km, 1,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to ICN?
A nonstop flight takes about 4h 24m 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 Chiang Rai and Seoul?
Seoul is 2 hours ahead of Chiang Rai.
What is the cheapest way to fly from CEI to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–ICN that never appear on search engines, with no booking fees.