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

Return flights

02 Dec - 05 Dec	Vueling Airlines
01 Dec - 04 Dec	Ryanair
10 Dec - 13 Dec	Aer Lingus	direct
02 Dec - 04 Dec	Vueling Airlines
08 Dec - 13 Dec	Ryanair	direct
02 Dec - 15 Dec	Vueling Airlines
02 Dec - 05 Dec	Ryanair	direct
03 Dec - 05 Dec	Ryanair
03 Dec - 04 Dec	Ryanair
02 Dec - 06 Dec	Vueling Airlines
31 Dec - 03 Jan	Aer Lingus
31 Dec - 04 Jan	KLM
28 Dec - 03 Jan	Ryanair	direct
31 Dec - 03 Jan	Ryanair	direct
28 Dec - 02 Jan	Ryanair
29 Dec - 05 Jan	Aer Lingus	direct
29 Dec - 02 Jan	KLM
31 Dec - 02 Jan	Ryanair
28 Dec - 02 Jan	Ryanair	direct
29 Dec - 03 Jan	KLM

Also check the deals for one-way flights from Dublin 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 Dublin to Prague in December from 109€

Return flights