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PSM to GMP: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Seoul (Gimpo International Airport)
6,757 mi
10,874 km · 5,871 nm
13h 43m
estimated nonstop flight time
+13h
time difference · heading north
See live PSM→GMP fares Phone-only fares on this route — call free
Flight time details
6,757 miles nonstop takes roughly 13h 43m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 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 PSM from GMP?
The flight distance from Portsmouth (PSM) to Seoul (GMP) is 6,757 miles (10,874 km, 5,871 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to GMP?
A nonstop flight takes about 13h 43m 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 Portsmouth and Seoul?
Seoul is 13 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–GMP that never appear on search engines, with no booking fees.