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

Return flights

04 Sep - 11 Sep	TAP	direct
06 Sep - 12 Sep	TAP	direct
08 Sep - 17 Sep	TAP	direct
08 Sep - 15 Sep	TAP	direct
06 Sep - 16 Sep	TAP	direct
12 Sep - 21 Sep	TAP	direct
12 Sep - 23 Sep	TAP	direct
08 Sep - 18 Sep	TAP	direct
04 Sep - 13 Sep	TAP	direct
08 Sep - 23 Sep	TAP	direct
23 Sep - 22 Oct	Air France
29 Sep - 14 Oct	LATAM Airlines Group
23 Sep - 22 Oct	TAP	direct
26 Sep - 15 Oct	Air France
23 Sep - 14 Oct	Air France
29 Sep - 13 Oct	LATAM Airlines Group
25 Sep - 02 Oct	TAP	direct
22 Sep - 02 Oct	TAP	direct
30 Sep - 13 Oct	Air France
23 Sep - 05 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Fortaleza to Lisbon 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 Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Fortaleza to Lisbon in September from $615

Return flights