On 26 March 2023, the "Summer 2023" schedule commences at Katowice Airport. It will remain in effect until the last Saturday of October 2023.

As part of the network of regular and charter flights, air carriers and travel agencies at Katowice Airport will offer 107 routes to 88 airports located in 30 countries.

There are four new regular routes in the offer.

• Venice-Treviso – from 27 March (Ryanair)
• Yerevan – from 29 April (Wizz Air)
• Pula – from 2 June (Ryanair)
• Varna – from 4 June (Ryanair)

More information about the "Summer 2023" network are available on the official blog of Katowice Airport. Warning: the article is available only in Polish.