Need help booking?
Unpublished phone-only deals available
TIW to GMP: distance & flight time
Tacoma (Tacoma Narrows Airport) → Seoul (Gimpo International Airport)
5,184 mi
8,344 km · 4,505 nm
10h 38m
estimated nonstop flight time
+16h
time difference · heading northwest
See live TIW→GMP fares Phone-only fares on this route — call free
Flight time details
5,184 miles nonstop takes roughly 10h 38m 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
- TIW — Tacoma Narrows Airport · Tacoma, 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 TIW
- SEA · Seattle Tacoma International Airport18 mi away
- TCM · McChord Air Force Base10 mi away
- GRF · Gray Army Air Field13 mi away
- PWT · Bremerton National 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 TIW from GMP?
The flight distance from Tacoma (TIW) to Seoul (GMP) is 5,184 miles (8,344 km, 4,505 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TIW to GMP?
A nonstop flight takes about 10h 38m 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 Tacoma and Seoul?
Seoul is 16 hours ahead of Tacoma.
What is the cheapest way to fly from TIW to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TIW–GMP that never appear on search engines, with no booking fees.