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

Return flights

18 Sep - 25 Sep	Aegean Airlines	direct
19 Sep - 28 Sep	Pegasus Airlines
22 Sep - 28 Sep	Pegasus Airlines
24 Sep - 30 Sep	Aegean Airlines	direct
24 Sep - 29 Sep	easyJet
22 Sep - 23 Sep	Pegasus Airlines
09 Sep - 11 Sep	Eurowings	direct
25 Sep - 29 Sep	easyJet
25 Sep - 30 Sep	easyJet
19 Sep - 21 Sep	Aegean Airlines	direct
25 Sep - 01 Oct	easyJet
24 Sep - 01 Oct	easyJet
24 Sep - 02 Oct	Aegean Airlines
30 Sep - 02 Oct	easyJet
24 Sep - 08 Oct	Aegean Airlines
26 Sep - 03 Oct	Aegean Airlines
29 Sep - 06 Oct	Pegasus Airlines
29 Sep - 05 Oct	Ryanair
30 Sep - 10 Oct	Eurowings
29 Sep - 03 Oct	Pegasus Airlines

Also check the deals for one-way flights from Athens to Duesseldorf 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 Athens to Duesseldorf in September from $150

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