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SDM to GMP: distance & flight time
San Diego (Brown Field Municipal Airport) → Seoul (Gimpo International Airport)
6,088 mi
9,798 km · 5,290 nm
12h 24m
estimated nonstop flight time
+16h
time difference · heading northwest
See live SDM→GMP fares Phone-only fares on this route — call free
Flight time details
6,088 miles nonstop takes roughly 12h 24m 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
- SDM — Brown Field Municipal Airport · San Diego, 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 SDM
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 SDM from GMP?
The flight distance from San Diego (SDM) to Seoul (GMP) is 6,088 miles (9,798 km, 5,290 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDM to GMP?
A nonstop flight takes about 12h 24m 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 San Diego and Seoul?
Seoul is 16 hours ahead of San Diego.
What is the cheapest way to fly from SDM to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDM–GMP that never appear on search engines, with no booking fees.