AirHint found the following cheapest return flights from Frankfurt (FRA) to Tallinn (TLL) in September 2026 (see full year).

Return flights

07 Sep - 13 Sep	Ryanair
13 Sep - 18 Sep	Ryanair
08 Sep - 09 Sep	airBaltic
04 Sep - 11 Sep	airBaltic
11 Sep - 15 Sep	airBaltic
25 Sep - 29 Sep	airBaltic
25 Sep - 27 Sep	airBaltic
11 Sep - 14 Sep	airBaltic
07 Sep - 09 Sep	airBaltic
10 Sep - 14 Sep	airBaltic
28 Sep - 02 Oct	airBaltic
29 Sep - 03 Oct	Lufthansa
28 Sep - 02 Oct	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Tallinn in September from $185

Return flights