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

Return flights

23 Sep - 30 Sep	Wizz Air
20 Sep - 24 Sep	Wizz Air
25 Sep - 30 Sep	Wizz Air
25 Sep - 01 Oct	Wizz Air
16 Sep - 20 Sep	Wizz Air
17 Sep - 20 Sep	Wizz Air
18 Sep - 20 Sep	Wizz Air
25 Sep - 28 Sep	Wizz Air
18 Sep - 21 Sep	Wizz Air
17 Sep - 21 Sep	Wizz Air
24 Sep - 28 Sep	Wizz Air
30 Sep - 02 Oct	Wizz Air
28 Sep - 08 Oct	Finnair
27 Sep - 04 Oct	Finnair
28 Sep - 08 Oct	LOT	direct
25 Sep - 01 Oct	LOT	direct
30 Sep - 02 Oct	LOT	direct

Also check the deals for one-way flights from Warsaw to Tallinn 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 Warsaw to Tallinn in September from 139€

Return flights