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

Return flights

29 Aug - 02 Sep	Ryanair
27 Aug - 28 Aug	Aer Lingus	direct
18 Aug - 20 Aug	Ryanair
27 Aug - 04 Sep	Aer Lingus	direct
27 Aug - 30 Aug	Aer Lingus	direct
26 Aug - 02 Sep	Ryanair
26 Aug - 28 Aug	Ryanair
31 Aug - 04 Sep	Ryanair
25 Aug - 02 Sep	Ryanair
11 Aug - 13 Aug	Ryanair
29 Aug - 03 Sep	Ryanair
30 Aug - 03 Sep	Ryanair
26 Aug - 29 Aug	Ryanair
30 Aug - 04 Sep	Ryanair
25 Aug - 28 Aug	Ryanair
20 Aug - 26 Aug	Norwegian Air Sweden AOC
24 Aug - 26 Aug	Ryanair
25 Aug - 29 Aug	Ryanair
27 Aug - 09 Sep	Ryanair	direct
26 Aug - 09 Sep	Ryanair	direct

Also check the deals for one-way flights from Dublin to Prague in August.

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 August from 121€

Return flights