Need help booking?
Unpublished phone-only deals available
GMP to BOI: distance & flight time
Seoul (Gimpo International Airport) → Boise (Boise Air Terminal/Gowen Field)
5,585 mi
8,987 km · 4,853 nm
11h 25m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GMP→BOI fares Phone-only fares on this route — call free
Flight time details
5,585 miles nonstop takes roughly 11h 25m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is GMP from BOI?
The flight distance from Seoul (GMP) to Boise (BOI) is 5,585 miles (8,987 km, 4,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to BOI?
A nonstop flight takes about 11h 25m 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 Boise?
Boise is 15 hours behind Seoul.
What is the cheapest way to fly from GMP to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–BOI that never appear on search engines, with no booking fees.