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

Return flights

22 Oct - 03 Nov	TAP
30 Oct - 16 Nov	Wizz Air UK
20 Oct - 24 Oct	Vueling Airlines
01 Oct - 31 Oct	Wizz Air Malta
01 Oct - 09 Oct	TAP
22 Oct - 29 Oct	Wizz Air Malta
29 Oct - 12 Nov	Air Europa
20 Oct - 25 Oct	Wizz Air Malta
20 Oct - 31 Oct	Wizz Air Malta
16 Oct - 19 Nov	Wizz Air UK
18 Oct - 25 Oct	Wizz Air Malta
09 Oct - 12 Oct	Vueling Airlines
09 Oct - 25 Oct	Vueling Airlines
02 Oct - 16 Oct	Vueling Airlines
30 Oct - 21 Nov	Wizz Air UK
16 Oct - 20 Nov	Wizz Air UK
30 Oct - 03 Nov	Wizz Air UK
27 Oct - 02 Nov	Vueling Airlines
21 Oct - 04 Nov	Air Europa
20 Oct - 18 Nov	Vueling Airlines

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 838€

Return flights