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ICN to GAI: distance & flight time
Seoul (Incheon International Airport) → Gaithersburg (Montgomery County Airpark)
6,933 mi
11,158 km · 6,025 nm
14h 4m
estimated nonstop flight time
-13h
time difference · heading north
See live ICN→GAI fares Phone-only fares on this route — call free
Flight time details
6,933 miles nonstop takes roughly 14h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- GAI — Montgomery County Airpark · Gaithersburg, 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Near GAI
Frequently asked questions
How far is ICN from GAI?
The flight distance from Seoul (ICN) to Gaithersburg (GAI) is 6,933 miles (11,158 km, 6,025 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to GAI?
A nonstop flight takes about 14h 4m 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 Gaithersburg?
Gaithersburg is 13 hours behind Seoul.
What is the cheapest way to fly from ICN to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–GAI that never appear on search engines, with no booking fees.