Need help booking?
Unpublished phone-only deals available
CKT to USN: distance & flight time
Sarakhs (Sarakhs Airport) → Ulsan (Ulsan Airport)
3,730 mi
6,003 km · 3,241 nm
7h 47m
estimated nonstop flight time
+5.5h
time difference · heading east
See live CKT→USN fares Phone-only fares on this route — call free
Flight time details
3,730 miles nonstop takes roughly 7h 47m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- CKT — Sarakhs Airport · Sarakhs, Iran
- USN — Ulsan Airport · Ulsan, 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 CKT
- MHD · Mashhad International Airport81 mi away
- MYP · Mary Airport90 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is CKT from USN?
The flight distance from Sarakhs (CKT) to Ulsan (USN) is 3,730 miles (6,003 km, 3,241 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CKT to USN?
A nonstop flight takes about 7h 47m 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 CKT to USN?
Nonstop service on CKT–USN 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 7h 47m nonstop estimate.
What is the time difference between Sarakhs and Ulsan?
Ulsan is 5.5 hours ahead of Sarakhs.
What is the cheapest way to fly from CKT to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CKT–USN that never appear on search engines, with no booking fees.
Why are some CKT to USN fares phone-only?
Consolidator contracts let us sell certain CKT–USN 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.