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
08 Sep - 17 Sep	TAP	direct
06 Sep - 12 Sep	TAP	direct
04 Sep - 16 Sep	TAP	direct
06 Sep - 22 Sep	TAP	direct
08 Sep - 18 Sep	TAP	direct
08 Sep - 19 Sep	TAP	direct
04 Sep - 13 Sep	TAP	direct
04 Sep - 12 Sep	TAP	direct
08 Sep - 14 Sep	TAP	direct
23 Sep - 14 Oct	GOL Linhas Aéreas
23 Sep - 22 Oct	Air France
29 Sep - 12 Oct	LATAM Airlines Group
21 Sep - 08 Oct	Air France
29 Sep - 14 Oct	LATAM Airlines Group
23 Sep - 22 Oct	TAP	direct
28 Sep - 14 Oct	Air France
29 Sep - 13 Oct	LATAM Airlines Group
23 Sep - 14 Oct	TAP	direct
22 Sep - 02 Oct	TAP	direct

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.

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Cheapest return flights from Fortaleza to Lisbon in September from 524€

Return flights