AirHint found the following cheapest return flights from Tunis (TUN) to Lisbon (LIS) in October 2025 (see full year).

Return flights

13 Oct - 20 Oct	Tunisair
01 Oct - 08 Oct	Transavia France
11 Oct - 14 Oct	Transavia France
15 Oct - 04 Nov	Transavia France
10 Oct - 15 Oct	Transavia France
15 Oct - 24 Oct	Transavia France
21 Oct - 26 Oct	Transavia France
03 Oct - 11 Oct	Nouvelair
15 Oct - 20 Oct	Tunisair
25 Oct - 30 Oct	Tunisair
24 Oct - 31 Oct	Nouvelair
24 Oct - 05 Nov	Nouvelair
31 Oct - 07 Nov	Tunisair

Also check the deals for one-way flights from Tunis to Lisbon in October.

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 Tunis to Lisbon in October from $203

Return flights