Need help booking?
Unpublished phone-only deals available
SDU to USN: distance & flight time
Rio De Janeiro (Santos Dumont Airport) → Ulsan (Ulsan Airport)
11,452 mi
18,430 km · 9,952 nm
22h 55m
estimated nonstop flight time
+12h
time difference · heading northeast
See live SDU→USN fares Phone-only fares on this route — call free
Flight time details
11,452 miles nonstop takes roughly 22h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
- 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 SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 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 SDU from USN?
The flight distance from Rio De Janeiro (SDU) to Ulsan (USN) is 11,452 miles (18,430 km, 9,952 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDU to USN?
A nonstop flight takes about 22h 55m 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 Rio De Janeiro and Ulsan?
Ulsan is 12 hours ahead of Rio De Janeiro.
What is the cheapest way to fly from SDU to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDU–USN that never appear on search engines, with no booking fees.