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CEI to DSO: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Hamhung (Sondok Airport)
2,130 mi
3,428 km · 1,851 nm
4h 39m
estimated nonstop flight time
+2h
time difference · heading northeast
See live CEI→DSO fares Phone-only fares on this route — call free
Flight time details
2,130 miles nonstop takes roughly 4h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 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 CEI from DSO?
The flight distance from Chiang Rai (CEI) to Hamhung (DSO) is 2,130 miles (3,428 km, 1,851 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to DSO?
A nonstop flight takes about 4h 39m 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 CEI to DSO?
Nonstop service on CEI–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 4h 39m nonstop estimate.
What is the time difference between Chiang Rai and Hamhung?
Hamhung is 2 hours ahead of Chiang Rai.
What is the cheapest way to fly from CEI to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–DSO that never appear on search engines, with no booking fees.
Why are some CEI to DSO fares phone-only?
Consolidator contracts let us sell certain CEI–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.