Need help booking?
Unpublished phone-only deals available
DMK to GMP: distance & flight time
Bangkok (Don Mueang International Airport) → Seoul (Gimpo International Airport)
2,292 mi
3,688 km · 1,991 nm
4h 58m
estimated nonstop flight time
+2h
time difference · heading northeast
See live DMK→GMP fares Phone-only fares on this route — call free
Flight time details
2,292 miles nonstop takes roughly 4h 58m 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
- DMK — Don Mueang International Airport · Bangkok, Thailand
- GMP — Gimpo 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
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
Frequently asked questions
How far is DMK from GMP?
The flight distance from Bangkok (DMK) to Seoul (GMP) is 2,292 miles (3,688 km, 1,991 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DMK to GMP?
A nonstop flight takes about 4h 58m 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 Bangkok and Seoul?
Seoul is 2 hours ahead of Bangkok.
What is the cheapest way to fly from DMK to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DMK–GMP that never appear on search engines, with no booking fees.