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ICN to THL: distance & flight time
Seoul (Incheon International Airport) → Tachilek (Tachileik Airport)
1,974 mi
3,178 km · 1,716 nm
4h 20m
estimated nonstop flight time
-2.5h
time difference · heading southwest
See live ICN→THL fares Phone-only fares on this route — call free
Flight time details
1,974 miles nonstop takes roughly 4h 20m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- THL — Tachileik Airport · Tachilek, Burma
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 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
Near THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 mi away
Frequently asked questions
How far is ICN from THL?
The flight distance from Seoul (ICN) to Tachilek (THL) is 1,974 miles (3,178 km, 1,716 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to THL?
A nonstop flight takes about 4h 20m 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 Seoul and Tachilek?
Tachilek is 2.5 hours behind Seoul.
What is the cheapest way to fly from ICN to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–THL that never appear on search engines, with no booking fees.