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

Return flights

24 Sep - 27 Sep	easyJet
24 Sep - 30 Sep	easyJet
17 Sep - 20 Sep	easyJet
18 Sep - 24 Sep	easyJet
24 Sep - 01 Oct	easyJet
18 Sep - 20 Sep	easyJet
25 Sep - 30 Sep	easyJet
17 Sep - 22 Sep	easyJet
17 Sep - 19 Sep	easyJet
17 Sep - 21 Sep	easyJet
24 Sep - 29 Sep	easyJet
26 Sep - 01 Oct	Air Serbia
28 Sep - 21 Oct	Ryanair
28 Sep - 01 Oct	Ryanair
25 Sep - 14 Oct	Vueling Airlines
25 Sep - 16 Oct	Vueling Airlines
24 Sep - 14 Oct	Vueling Airlines
24 Sep - 14 Oct	SKY express	direct
24 Sep - 15 Oct	SKY express	direct
27 Sep - 15 Oct	Vueling Airlines

Also check the deals for one-way flights from Athens to Prague 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 Prague in September from $139

Return flights