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

Return flights

22 Sep - 24 Sep	Ryanair
04 Sep - 09 Sep	Ryanair
05 Sep - 10 Sep	airBaltic
23 Sep - 25 Sep	airBaltic
09 Sep - 14 Sep	airBaltic
04 Sep - 04 Sep	Ryanair
09 Sep - 11 Sep	airBaltic
15 Sep - 18 Sep	Ryanair
02 Sep - 05 Sep	airBaltic
01 Sep - 12 Sep	LOT

Also check the deals for one-way flights from Tallinn to Charleroi 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 Charleroi in September from 136€

Return flights