The cheapest Katowice to Seoul return flight on the radar right now is €540, flying with LOT via one or more connections. It covers departures in November 2026, and every dated link below opens that exact KTW–ICN search on Skyscanner. That is roughly 18% below the €656 this route usually costs. Across 20 recorded checks it has ranged between €493 and €907. Our sampling points to November 2026 as the cheapest month to fly Katowice to Seoul.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Katowice? We track 61 other departure cities for Seoul, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Katowice to Seoul is usually still decent value around the same window.