Need help booking?
Unpublished phone-only deals available
HYC to GMP: distance & flight time
Wycombe (Wycombe Air Park) → Seoul (Gimpo International Airport)
5,512 mi
8,871 km · 4,790 nm
11h 16m
estimated nonstop flight time
+8h
time difference · heading northeast
See live HYC→GMP fares Phone-only fares on this route — call free
Flight time details
5,512 miles nonstop takes roughly 11h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- HYC — Wycombe Air Park · Wycombe, United Kingdom
- 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 HYC
- LHR · London Heathrow Airport18 mi away
- LGW · London Gatwick Airport42 mi away
- BEX · RAF Benson12 mi away
- NHT · RAF Northolt17 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 HYC from GMP?
The flight distance from Wycombe (HYC) to Seoul (GMP) is 5,512 miles (8,871 km, 4,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HYC to GMP?
A nonstop flight takes about 11h 16m 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 Wycombe and Seoul?
Seoul is 8 hours ahead of Wycombe.
What is the cheapest way to fly from HYC to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HYC–GMP that never appear on search engines, with no booking fees.