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

Return flights

06 Sep - 20 Sep	TAP
09 Sep - 16 Sep	LATAM Airlines Group
08 Sep - 02 Oct	LATAM Airlines Group
04 Sep - 17 Sep	LATAM Airlines Group
03 Sep - 16 Sep	LATAM Airlines Group
11 Sep - 20 Sep	TAP
01 Sep - 30 Sep	TAP
20 Sep - 20 Oct	TAP

Also check the deals for one-way flights from Fortaleza to London 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 London in September from 771€

Return flights