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

Return flights

10 Sep - 17 Sep	Wizz Air UK
05 Sep - 17 Sep	airBaltic
04 Sep - 11 Sep	airBaltic
29 Sep - 11 Oct	Wizz Air UK
23 Sep - 30 Sep	Ryanair
25 Sep - 30 Sep	LOT
28 Sep - 03 Oct	Wizz Air UK
26 Sep - 30 Sep	LOT
30 Sep - 07 Oct	Ryanair
23 Sep - 02 Oct	Ryanair
24 Sep - 30 Sep	Ryanair
17 Sep - 24 Sep	Wizz Air UK
08 Sep - 18 Sep	Ryanair
02 Sep - 06 Sep	LOT
29 Sep - 08 Oct	airBaltic
27 Sep - 04 Oct	LOT

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 194€

Return flights