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GMP to LGB: distance & flight time
Seoul (Gimpo International Airport) → Long Beach (Long Beach /Daugherty Field/ Airport)
5,979 mi
9,623 km · 5,196 nm
12h 11m
estimated nonstop flight time
-16h
time difference · heading northeast
See live GMP→LGB fares Phone-only fares on this route — call free
Flight time details
5,979 miles nonstop takes roughly 12h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- LGB — Long Beach /Daugherty Field/ Airport · Long Beach, United States
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 LGB
- LAX · Los Angeles International Airport17 mi away
- FUL · Fullerton Municipal Airport11 mi away
- TOA · Zamperini Field11 mi away
- HHR · Jack Northrop Field Hawthorne Municipal Airport13 mi away
Frequently asked questions
How far is GMP from LGB?
The flight distance from Seoul (GMP) to Long Beach (LGB) is 5,979 miles (9,623 km, 5,196 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to LGB?
A nonstop flight takes about 12h 11m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GMP to LGB?
Nonstop service on GMP–LGB depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 11m nonstop estimate.
What is the time difference between Seoul and Long Beach?
Long Beach is 16 hours behind Seoul.
What is the cheapest way to fly from GMP to LGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–LGB that never appear on search engines, with no booking fees.
Why are some GMP to LGB fares phone-only?
Consolidator contracts let us sell certain GMP–LGB tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.