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

Return flights

24 Aug - 29 Aug	Eurowings	direct
10 Aug - 15 Aug	Eurowings	direct
17 Aug - 22 Aug	Eurowings	direct
18 Aug - 22 Aug	Ryanair
19 Aug - 22 Aug	Ryanair
10 Aug - 14 Aug	Eurowings
06 Aug - 08 Aug	Ryanair
15 Aug - 17 Aug	Eurowings	direct
01 Aug - 05 Aug	Eurowings
01 Aug - 04 Aug	Eurowings

Also check the deals for one-way flights from Cologne 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 Cologne to Prague in August from $91

Return flights