AirHint found the following cheapest return flights from Fortaleza (FOR) to Lisbon (LIS) in September 2026 (see full year).
Return flights
| 10 Sep - 24 Sep | Iberia | ||
| 17 Sep - 27 Sep | Iberia | ||
| 03 Sep - 17 Sep | Iberia | ||
| 27 Sep - 04 Oct | Air France | ||
| 30 Sep - 14 Oct | TAP | ||
| 27 Sep - 04 Oct | TAP | direct | |
| 29 Sep - 14 Oct | TAP | ||
| 17 Sep - 27 Sep | TAP | direct |
Also check the deals for one-way flights from Fortaleza to Lisbon in September.
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