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GMP to UTH: distance & flight time
Seoul (Gimpo International Airport) → Udon Thani (Udon Thani Airport)
2,015 mi
3,243 km · 1,751 nm
4h 25m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GMP→UTH fares Phone-only fares on this route — call free
Flight time details
2,015 miles nonstop takes roughly 4h 25m 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
- GMP — Gimpo 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 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 GMP from UTH?
The flight distance from Seoul (GMP) to Udon Thani (UTH) is 2,015 miles (3,243 km, 1,751 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to UTH?
A nonstop flight takes about 4h 25m 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 GMP to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–UTH that never appear on search engines, with no booking fees.