AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to London (LHR) in September 2026 (see full year).

Return flights

28 Sep - 12 Oct	TAP
30 Sep - 20 Oct	TAP
15 Sep - 22 Sep	LATAM Airlines Group
28 Sep - 11 Oct	TAP
08 Sep - 18 Sep	TAP
09 Sep - 23 Sep	TAP
06 Sep - 16 Sep	TAP
15 Sep - 28 Sep	TAP
02 Sep - 16 Sep	TAP
09 Sep - 28 Sep	TAP
06 Sep - 21 Sep	TAP
20 Sep - 26 Sep	Iberia
30 Sep - 20 Oct	British Airways	direct
14 Sep - 29 Sep	TAP
19 Sep - 04 Oct	British Airways
22 Sep - 15 Oct	TAP
22 Sep - 20 Oct	TAP
22 Sep - 20 Oct	British Airways	direct
18 Sep - 02 Oct	TAP
18 Sep - 02 Oct	British Airways	direct

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to London in September from $810

Return flights