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

Return flights

23 Aug - 03 Sep	Ryanair	direct
27 Aug - 24 Sep	Ryanair
19 Aug - 02 Sep	Eurowings	direct
27 Aug - 03 Sep	Ryanair	direct
24 Aug - 02 Sep	Eurowings	direct
23 Aug - 10 Sep	Ryanair	direct
23 Aug - 02 Sep	Ryanair	direct
26 Aug - 09 Sep	Eurowings	direct
23 Aug - 06 Sep	Ryanair
24 Aug - 28 Aug	Eurowings
26 Aug - 03 Sep	Eurowings	direct
23 Aug - 28 Aug	Ryanair
19 Aug - 28 Aug	Eurowings
24 Aug - 29 Aug	Eurowings
23 Aug - 27 Aug	Ryanair
19 Aug - 27 Aug	Eurowings
24 Aug - 27 Aug	Eurowings	direct
23 Aug - 27 Aug	Ryanair	direct
19 Aug - 27 Aug	Eurowings	direct
23 Aug - 31 Aug	Ryanair

Also check the deals for one-way flights from Cologne to Athens 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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Cologne to Athens in August from 119€

Return flights