AirHint found the following cheapest return flights from Cork (ORK) to Prague (PRG) in December 2025 (see full year).

Return flights

07 Dec - 11 Dec	Aer Lingus	direct
03 Dec - 04 Dec	Ryanair
21 Dec - 26 Dec	Ryanair
10 Dec - 13 Dec	Ryanair
21 Dec - 28 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
21 Dec - 28 Dec	Aer Lingus	direct
20 Dec - 21 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
19 Dec - 21 Dec	Ryanair
28 Dec - 01 Jan	Aer Lingus	direct
30 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Cork to Prague 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 Cork to Prague in December from 131€

Return flights