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ICN to PSM: distance & flight time
Seoul (Incheon International Airport) → Portsmouth (Portsmouth International at Pease Airport)
6,767 mi
10,890 km · 5,880 nm
13h 44m
estimated nonstop flight time
-13h
time difference · heading north
See live ICN→PSM fares Phone-only fares on this route — call free
Flight time details
6,767 miles nonstop takes roughly 13h 44m 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 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
Frequently asked questions
How far is ICN from PSM?
The flight distance from Seoul (ICN) to Portsmouth (PSM) is 6,767 miles (10,890 km, 5,880 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to PSM?
A nonstop flight takes about 13h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ICN to PSM?
Nonstop service on ICN–PSM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 44m nonstop estimate.
What is the time difference between Seoul and Portsmouth?
Portsmouth is 13 hours behind Seoul.
What is the cheapest way to fly from ICN to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–PSM that never appear on search engines, with no booking fees.
Why are some ICN to PSM fares phone-only?
Consolidator contracts let us sell certain ICN–PSM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.