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LWS to GMP: distance & flight time
Lewiston (Lewiston Nez Perce County Airport) → Seoul (Gimpo International Airport)
5,422 mi
8,726 km · 4,712 nm
11h 6m
estimated nonstop flight time
+16h
time difference · heading northwest
See live LWS→GMP fares Phone-only fares on this route — call free
Flight time details
5,422 miles nonstop takes roughly 11h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- LWS — Lewiston Nez Perce County Airport · Lewiston, 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 LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 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 LWS from GMP?
The flight distance from Lewiston (LWS) to Seoul (GMP) is 5,422 miles (8,726 km, 4,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWS to GMP?
A nonstop flight takes about 11h 6m 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 Lewiston and Seoul?
Seoul is 16 hours ahead of Lewiston.
What is the cheapest way to fly from LWS to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWS–GMP that never appear on search engines, with no booking fees.