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

Return flights

21 Aug - 28 Aug	Ryanair
24 Aug - 31 Aug	Ryanair
06 Aug - 14 Aug	Ryanair
21 Aug - 22 Aug	Ryanair
15 Aug - 17 Aug	Eurowings
06 Aug - 10 Aug	Ryanair
09 Aug - 10 Aug	Ryanair
18 Aug - 18 Aug	Ryanair
02 Aug - 04 Aug	Eurowings
03 Aug - 10 Aug	Lufthansa

Also check the deals for one-way flights from Cologne to Amsterdam 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 Amsterdam in August from 294€

Return flights