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

Return flights

10 Dec - 12 Dec	KLM
12 Dec - 14 Dec	KLM
18 Dec - 18 Jan	Scandinavian Airlines
02 Dec - 06 Dec	SWISS
11 Dec - 13 Dec	KLM
05 Dec - 07 Dec	Lufthansa
10 Dec - 14 Dec	Lufthansa
29 Dec - 02 Jan	KLM
01 Dec - 13 Dec	Ryanair	direct
02 Dec - 06 Dec	Aer Lingus	direct
10 Dec - 12 Dec	Aer Lingus	direct
01 Dec - 01 Dec	Ryanair
29 Dec - 18 Jan	Ryanair	direct
30 Dec - 18 Jan	Ryanair	direct
18 Dec - 18 Jan	Ryanair	direct
29 Dec - 09 Jan	Ryanair	direct
30 Dec - 09 Jan	Ryanair	direct
27 Dec - 09 Jan	Ryanair	direct
13 Dec - 02 Jan	Ryanair	direct
12 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 147€

Return flights