Need help booking?
Unpublished phone-only deals available
HHI to GMP: distance & flight time
Wahiawa (Wheeler Army Airfield) → Seoul (Gimpo International Airport)
4,537 mi
7,302 km · 3,943 nm
9h 22m
estimated nonstop flight time
+19h
time difference · heading northwest
See live HHI→GMP fares Phone-only fares on this route — call free
Flight time details
4,537 miles nonstop takes roughly 9h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 19-hour time gain when reading arrival times on your ticket.
The two airports
- HHI — Wheeler Army Airfield · Wahiawa, United States
- 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 HHI
- HNL · Daniel K Inouye International Airport13 mi away
- HDH · Dillingham Airfield12 mi away
- JRF · Kalaeloa Airport12 mi away
- NGF · Kaneohe Bay MCAS (Marion E. Carl Field) Airport18 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 HHI from GMP?
The flight distance from Wahiawa (HHI) to Seoul (GMP) is 4,537 miles (7,302 km, 3,943 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHI to GMP?
A nonstop flight takes about 9h 22m 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 Wahiawa and Seoul?
Seoul is 19 hours ahead of Wahiawa.
What is the cheapest way to fly from HHI to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHI–GMP that never appear on search engines, with no booking fees.