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IPT to DSO: distance & flight time
Williamsport (Williamsport Regional Airport) → Hamhung (Sondok Airport)
6,635 mi
10,678 km · 5,766 nm
13h 29m
estimated nonstop flight time
+13h
time difference · heading north
See live IPT→DSO fares Phone-only fares on this route — call free
Flight time details
6,635 miles nonstop takes roughly 13h 29m 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
- IPT — Williamsport Regional Airport · Williamsport, United States
- DSO — Sondok Airport · Hamhung, North 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 IPT
- LHV · William T. Piper Memorial Airport27 mi away
- HZL · Hazleton Municipal Airport51 mi away
- SCE · University Park Airport55 mi away
- WBW · Wilkes Barre Wyoming Valley Airport56 mi away
Near DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Frequently asked questions
How far is IPT from DSO?
The flight distance from Williamsport (IPT) to Hamhung (DSO) is 6,635 miles (10,678 km, 5,766 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IPT to DSO?
A nonstop flight takes about 13h 29m 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 IPT to DSO?
Nonstop service on IPT–DSO 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 29m nonstop estimate.
What is the time difference between Williamsport and Hamhung?
Hamhung is 13 hours ahead of Williamsport.
What is the cheapest way to fly from IPT to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IPT–DSO that never appear on search engines, with no booking fees.
Why are some IPT to DSO fares phone-only?
Consolidator contracts let us sell certain IPT–DSO 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.