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

Return flights

24 Sep - 30 Sep	easyJet
17 Sep - 30 Sep	easyJet
16 Sep - 23 Sep	easyJet
17 Sep - 22 Sep	Wizz Air Malta
12 Sep - 17 Sep	Wizz Air Malta
12 Sep - 16 Sep	Wizz Air Malta
16 Sep - 26 Sep	easyJet
24 Sep - 29 Sep	Wizz Air Malta
24 Sep - 02 Oct	easyJet
16 Sep - 29 Sep	easyJet
22 Sep - 26 Sep	Air Serbia
21 Sep - 03 Oct	Air Serbia
22 Sep - 02 Oct	easyJet
25 Sep - 08 Oct	Austrian Airlines
18 Sep - 01 Oct	Austrian Airlines
21 Sep - 02 Oct	Austrian Airlines
25 Sep - 10 Oct	Austrian Airlines
10 Sep - 15 Oct	Austrian Airlines
24 Sep - 01 Oct	Austrian Airlines
27 Sep - 03 Oct	Ryanair

Also check the deals for one-way flights from Hamburg 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 Hamburg to Athens in September from 135€

Return flights