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

Return flights

20 Sep - 01 Oct	Air Europa
20 Sep - 02 Oct	Air Europa
20 Sep - 28 Sep	Air Europa
20 Sep - 29 Sep	Air Europa
20 Sep - 30 Sep	Air Europa
20 Sep - 22 Sep	Air Europa
20 Sep - 24 Sep	Air Europa
20 Sep - 26 Sep	Air Europa
25 Sep - 01 Oct	Transavia France
20 Sep - 03 Oct	Air Europa
30 Sep - 07 Oct	easyJet
22 Sep - 13 Oct	Volotea
18 Sep - 28 Sep	Transavia France
16 Sep - 23 Sep	easyJet
27 Sep - 12 Oct	Ryanair
10 Sep - 20 Sep	Transavia France
29 Sep - 06 Oct	TAP
27 Sep - 04 Oct	Ryanair
22 Sep - 29 Sep	Ryanair
29 Sep - 13 Oct	TAP

Also check the deals for one-way flights from Lisbon 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.

Book a cheap hotel in Tunis

Cheap car rent in Tunis

Cheapest return flights from Lisbon to Tunis in September from 157€

Return flights