The cheapest Katowice to Chiang Mai return flight on the radar right now is €846, flying with LOT + Etihad Airways via one or more connections. It covers departures in April 2027, and every dated link below opens that exact KTW–CNX search on Skyscanner. That is roughly 24% below the €1,110 this route usually costs. Across 64 recorded checks it has ranged between €812 and €1,823. Our sampling points to April 2027 as the cheapest month to fly Katowice to Chiang Mai.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Katowice? We track 53 other departure cities for Chiang Mai, listed at the foot of this page.
Fares move quickly. If this Katowice to Chiang Mai price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.