What is the cheapest month to fly from Ulsan to Seoul?

Based on current 6-month forward fare data, July 2026 is the cheapest month to fly from Ulsan (USN) to Seoul (ICN), with fares starting from $179.

What is the lowest current fare from USN to ICN?

The lowest currently-listed fare from Ulsan (USN) to Seoul (ICN) is $179 on 2026-07-20.

Is there a direct flight from Ulsan to Seoul?

There is currently no non-stop service from USN to ICN. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Ulsan to Seoul

Cheapest current fares: $179 in July 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Ulsan (USN) to Seoul (ICN). Refreshed daily.

Ulsan (USN) → Seoul (ICN)

July 2026 $179
May 2026 $255

Frequently asked questions

What is the cheapest month to fly from Ulsan to Seoul?

Based on current 6-month forward fare data, July 2026 is the cheapest month to fly from Ulsan (USN) to Seoul (ICN), with fares starting from $179.
What is the lowest current fare from USN to ICN?

The lowest currently-listed fare from Ulsan (USN) to Seoul (ICN) is $179 on 2026-07-20.
Is there a direct flight from Ulsan to Seoul?

There is currently no non-stop service from USN to ICN. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.