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USN to XSP: distance & flight time
Ulsan (Ulsan Airport) → Singapore (Seletar Airport)
2,872 mi
4,622 km · 2,496 nm
6h 6m
estimated nonstop flight time
-1h
time difference · heading southwest
See live USN→XSP fares Phone-only fares on this route — call free
Flight time details
2,872 miles nonstop takes roughly 6h 6m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- XSP — Seletar Airport · Singapore, Singapore
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 XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 mi away
Frequently asked questions
How far is USN from XSP?
The flight distance from Ulsan (USN) to Singapore (XSP) is 2,872 miles (4,622 km, 2,496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to XSP?
A nonstop flight takes about 6h 6m 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 Singapore?
Singapore is 1 hour behind Ulsan.
What is the cheapest way to fly from USN to XSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–XSP that never appear on search engines, with no booking fees.