AirHint found the following cheapest return flights from Dublin (DUB) to Prague (PRG) in December 2026 (see full year).

Return flights

11 Dec - 13 Dec	Scandinavian Airlines
01 Dec - 05 Dec	Scandinavian Airlines
01 Dec - 06 Dec	Scandinavian Airlines
02 Dec - 06 Dec	Ryanair
12 Dec - 14 Dec	KLM
04 Dec - 06 Dec	KLM
17 Dec - 24 Dec	Air France
26 Dec - 02 Jan	KLM
23 Dec - 02 Jan	KLM
01 Dec - 13 Dec	Ryanair	direct
02 Dec - 06 Dec	Aer Lingus	direct
02 Dec - 13 Dec	Ryanair	direct
12 Dec - 02 Jan	Ryanair	direct
17 Dec - 02 Jan	Ryanair	direct
19 Dec - 02 Jan	Ryanair	direct
26 Dec - 02 Jan	Ryanair	direct
23 Dec - 02 Jan	Ryanair	direct

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 145€

Return flights