Cheapest return flights from Cologne to Athens in September from $160

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

17 Sep - 25 Sep Ryanair
20 Sep - 25 Sep Ryanair
03 Sep - 17 Sep Ryanair direct
10 Sep - 01 Oct Ryanair
24 Sep - 01 Oct Ryanair
03 Sep - 18 Sep Ryanair
27 Sep - 15 Oct Ryanair direct
17 Sep - 24 Sep Ryanair
02 Sep - 18 Sep Ryanair
10 Sep - 01 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
10 Sep - 24 Sep Ryanair direct
24 Sep - 08 Oct Ryanair direct
17 Sep - 01 Oct Ryanair direct
17 Sep - 24 Sep Ryanair direct
13 Sep - 26 Sep Ryanair
27 Sep - 01 Oct Ryanair
27 Sep - 08 Oct Ryanair
13 Sep - 16 Sep Ryanair
30 Sep - 11 Oct Ryanair

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

Skyscanner

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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