AirHint found the following cheapest return flights from London (LGW) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

01 Oct - 31 Oct	Wizz Air Malta
08 Oct - 22 Oct	Vueling Airlines
02 Oct - 23 Oct	Wizz Air UK
08 Oct - 13 Oct	Wizz Air UK
02 Oct - 16 Oct	Wizz Air UK
06 Oct - 13 Oct	Wizz Air Malta
06 Oct - 15 Oct	Wizz Air Malta
13 Oct - 20 Oct	Wizz Air Malta
06 Oct - 22 Oct	Wizz Air Malta
06 Oct - 17 Oct	Wizz Air Malta
30 Oct - 09 Nov	Wizz Air UK
16 Oct - 10 Nov	Wizz Air UK
02 Oct - 12 Nov	Wizz Air UK
31 Oct - 03 Nov	Vueling Airlines
30 Oct - 03 Nov	Wizz Air UK
09 Oct - 04 Nov	Wizz Air UK
11 Oct - 07 Nov	Wizz Air UK
10 Oct - 04 Nov	Vueling Airlines
05 Oct - 09 Nov	Vueling Airlines
11 Oct - 04 Nov	Wizz Air UK

Also check the deals for one-way flights from London to Buenos Aires in October.

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 London to Buenos Aires in October from $1071

Return flights