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USN to KTM: distance & flight time

Ulsan (Ulsan Airport) → Kathmandu (Tribhuvan International Airport)

2,622 mi
4,220 km · 2,279 nm
5h 37m
estimated nonstop flight time
-3.2h
time difference · heading west
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Flight time details

2,622 miles nonstop takes roughly 5h 37m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.2-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is USN from KTM?

The flight distance from Ulsan (USN) to Kathmandu (KTM) is 2,622 miles (4,220 km, 2,279 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from USN to KTM?

A nonstop flight takes about 5h 37m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Ulsan and Kathmandu?

Kathmandu is 3.2 hours behind Ulsan.

What is the cheapest way to fly from USN to KTM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–KTM that never appear on search engines, with no booking fees.
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