Need help booking?
Unpublished phone-only deals available
GMP to HGN: distance & flight time
Seoul (Gimpo International Airport) → Mae Hong Son (Mae Hong Son Airport)
2,143 mi
3,449 km · 1,862 nm
4h 40m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GMP→HGN fares Phone-only fares on this route — call free
Flight time details
2,143 miles nonstop takes roughly 4h 40m 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
- HGN — Mae Hong Son Airport · Mae Hong Son, 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 HGN
- PYY · Mae Hong Son Airport30 mi away
- LIW · Loikaw Airport56 mi away
- CNX · Chiang Mai International Airport74 mi away
- NMS · Namsang Airport111 mi away
Frequently asked questions
How far is GMP from HGN?
The flight distance from Seoul (GMP) to Mae Hong Son (HGN) is 2,143 miles (3,449 km, 1,862 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to HGN?
A nonstop flight takes about 4h 40m 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 Mae Hong Son?
Mae Hong Son is 2 hours behind Seoul.
What is the cheapest way to fly from GMP to HGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–HGN that never appear on search engines, with no booking fees.