Cheapest return flights from Cologne to Athens in September from $153

Best time to book flights for Cologne (CGN) to Athens (ATH) flights at AirHint

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

Return flights

10 Sep - 17 Sep Ryanair direct
03 Sep - 17 Sep Ryanair direct
17 Sep - 25 Sep Ryanair
24 Sep - 08 Oct Ryanair direct
10 Sep - 24 Sep Ryanair direct
23 Sep - 02 Oct Ryanair
27 Sep - 30 Sep Ryanair
30 Sep - 07 Oct Ryanair
17 Sep - 24 Sep Ryanair direct
27 Sep - 15 Oct Ryanair direct
17 Sep - 22 Sep Ryanair
03 Sep - 10 Sep Ryanair
03 Sep - 10 Sep Ryanair direct
22 Sep - 02 Oct Eurowings
20 Sep - 26 Sep Ryanair
27 Sep - 08 Oct Ryanair direct
20 Sep - 08 Oct Ryanair direct
30 Sep - 09 Oct Ryanair
17 Sep - 03 Oct Ryanair
24 Sep - 04 Oct Ryanair

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

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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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