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

Return flights

29 Sep - 10 Oct	Air Europa
16 Sep - 12 Oct	Air Europa
26 Sep - 06 Oct	Air Europa
27 Sep - 05 Oct	Air Europa
22 Sep - 06 Oct	Air Europa
19 Sep - 26 Sep	Air Europa
26 Sep - 03 Oct	Air Europa
16 Sep - 29 Sep	Air Europa
20 Sep - 06 Oct	Air Europa
23 Sep - 05 Oct	Air Europa
27 Sep - 03 Oct	Air Europa
27 Sep - 10 Oct	Air Europa
23 Sep - 30 Sep	Air Europa
23 Sep - 28 Sep	Air Europa
15 Sep - 30 Sep	Air Europa
12 Sep - 15 Sep	Air Europa
12 Sep - 25 Sep	Air Europa
09 Sep - 16 Sep	Air Europa
13 Sep - 29 Sep	Air Europa
13 Sep - 27 Sep	Air Europa

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to London in September from $1157

Return flights