AirHint found the following cheapest return flights from Katowice (KTW) to Oslo (OSL) in December 2025 (see full year).

Return flights

21 Dec - 04 Jan	Ryanair	direct
21 Dec - 07 Jan	Ryanair	direct
21 Dec - 28 Dec	Ryanair	direct
24 Dec - 04 Jan	Ryanair	direct
24 Dec - 07 Jan	Ryanair	direct
21 Dec - 01 Jan	Ryanair	direct
28 Dec - 04 Jan	Ryanair	direct
28 Dec - 07 Jan	Ryanair	direct
24 Dec - 28 Dec	Ryanair	direct
21 Dec - 24 Dec	Ryanair	direct
24 Dec - 01 Jan	Ryanair	direct
28 Dec - 01 Jan	Ryanair	direct
31 Dec - 04 Jan	Ryanair	direct
21 Dec - 21 Dec	Ryanair

Also check the deals for one-way flights from Katowice to Oslo in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Katowice to Oslo in December from 60€

Return flights