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

Return flights

29 Sep - 08 Oct	Wizz Air UK
24 Sep - 01 Oct	Wizz Air UK
25 Sep - 01 Oct	Wizz Air UK
29 Sep - 06 Oct	Wizz Air UK
22 Sep - 26 Sep	Wizz Air UK
26 Sep - 30 Sep	Wizz Air UK
16 Sep - 23 Sep	Ryanair
25 Sep - 06 Oct	Wizz Air UK
28 Sep - 02 Oct	Wizz Air UK
22 Sep - 29 Sep	Wizz Air UK
25 Sep - 03 Oct	Wizz Air UK
16 Sep - 24 Sep	Ryanair
17 Sep - 24 Sep	Ryanair
24 Sep - 29 Sep	Wizz Air UK
19 Sep - 26 Sep	Ryanair
08 Sep - 18 Sep	Ryanair
08 Sep - 16 Sep	Ryanair
30 Sep - 13 Oct	Ryanair

Also check the deals for one-way flights from Tallinn 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 Tallinn to Athens in September from $166

Return flights