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GMP to BKK: distance & flight time
Seoul (Gimpo International Airport) → Bangkok (Suvarnabhumi Airport)
2,298 mi
3,698 km · 1,997 nm
4h 58m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GMP→BKK fares Phone-only fares on this route — call free
Flight time details
2,298 miles nonstop takes roughly 4h 58m 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
- BKK — Suvarnabhumi Airport · Bangkok, 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 BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 mi away
Frequently asked questions
How far is GMP from BKK?
The flight distance from Seoul (GMP) to Bangkok (BKK) is 2,298 miles (3,698 km, 1,997 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to BKK?
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 Seoul and Bangkok?
Bangkok is 2 hours behind Seoul.
What is the cheapest way to fly from GMP to BKK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–BKK that never appear on search engines, with no booking fees.