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USN to BTC: distance & flight time
Ulsan (Ulsan Airport) → Batticaloa (Batticaloa Airport)
3,568 mi
5,742 km · 3,100 nm
7h 28m
estimated nonstop flight time
-3.5h
time difference · heading west
See live USN→BTC fares Phone-only fares on this route — call free
Flight time details
3,568 miles nonstop takes roughly 7h 28m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- BTC — Batticaloa Airport · Batticaloa, Sri Lanka
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 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
Near BTC
- ADP · Ampara Airport26 mi away
- HIM · Hingurakgoda Air Force Base53 mi away
- TRR · China Bay Airport67 mi away
- GIU · Sigiriya Air Force Base67 mi away
Frequently asked questions
How far is USN from BTC?
The flight distance from Ulsan (USN) to Batticaloa (BTC) is 3,568 miles (5,742 km, 3,100 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to BTC?
A nonstop flight takes about 7h 28m 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 USN to BTC?
Nonstop service on USN–BTC 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 28m nonstop estimate.
What is the time difference between Ulsan and Batticaloa?
Batticaloa is 3.5 hours behind Ulsan.
What is the cheapest way to fly from USN to BTC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–BTC that never appear on search engines, with no booking fees.
Why are some USN to BTC fares phone-only?
Consolidator contracts let us sell certain USN–BTC 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.