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ICN to UTH: distance & flight time
Seoul (Incheon International Airport) → Udon Thani (Udon Thani Airport)
1,996 mi
3,213 km · 1,735 nm
4h 23m
estimated nonstop flight time
-2h
time difference · heading southwest
See live ICN→UTH fares Phone-only fares on this route — call free
Flight time details
1,996 miles nonstop takes roughly 4h 23m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- UTH — Udon Thani Airport · Udon Thani, Thailand
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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is ICN from UTH?
The flight distance from Seoul (ICN) to Udon Thani (UTH) is 1,996 miles (3,213 km, 1,735 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to UTH?
A nonstop flight takes about 4h 23m 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 Udon Thani?
Udon Thani is 2 hours behind Seoul.
What is the cheapest way to fly from ICN to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–UTH that never appear on search engines, with no booking fees.