AirHint found the following cheapest return flights from Copenhagen (CPH) to Athens (ATH) in September 2026 (see full year).

Return flights

16 Sep - 02 Oct	Wizz Air
20 Sep - 02 Oct	Wizz Air
23 Sep - 02 Oct	Wizz Air
14 Sep - 02 Oct	Wizz Air
21 Sep - 02 Oct	Wizz Air
20 Sep - 22 Sep	Scandinavian Airlines
13 Sep - 02 Oct	Wizz Air
15 Sep - 02 Oct	Wizz Air Malta
25 Sep - 30 Sep	easyJet
22 Sep - 02 Oct	Wizz Air
24 Sep - 02 Oct	Wizz Air
05 Sep - 10 Sep	SWISS
12 Sep - 02 Oct	Air Serbia
04 Sep - 10 Sep	easyJet
01 Sep - 02 Sep	Norwegian Air Sweden AOC
04 Sep - 09 Sep	easyJet
25 Sep - 27 Sep	Wizz Air
01 Sep - 04 Sep	Norwegian Air Sweden AOC
25 Sep - 29 Sep	Wizz Air
04 Sep - 05 Sep	Norwegian Air Sweden AOC	direct

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

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 Copenhagen to Athens in September from 139€

Return flights