AirHint found the following cheapest return flights from London (LCY) to Tunis (TUN) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep	ITA Airways
27 Sep - 02 Oct	ITA Airways
09 Sep - 30 Sep	ITA Airways
09 Sep - 24 Sep	ITA Airways
17 Sep - 24 Sep	ITA Airways
10 Sep - 24 Sep	ITA Airways
21 Sep - 25 Sep	ITA Airways
25 Sep - 30 Sep	ITA Airways
20 Sep - 24 Sep	ITA Airways
30 Sep - 05 Oct	ITA Airways
27 Sep - 04 Oct	ITA Airways
20 Sep - 30 Sep	ITA Airways
26 Sep - 30 Sep	ITA Airways
29 Sep - 05 Oct	ITA Airways
20 Sep - 20 Oct	ITA Airways
26 Sep - 01 Oct	ITA Airways

Also check the deals for one-way flights from London to Tunis 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 London to Tunis in September from $289

Return flights