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

Return flights

30 Oct - 10 Nov	Wizz Air UK
16 Oct - 04 Nov	Wizz Air UK
31 Oct - 03 Nov	Vueling Airlines
31 Oct - 10 Nov	Vueling Airlines
30 Oct - 09 Nov	Wizz Air UK
02 Oct - 12 Oct	Wizz Air UK
02 Oct - 16 Oct	Wizz Air UK
30 Oct - 20 Nov	Wizz Air UK
30 Oct - 08 Nov	Wizz Air UK
09 Oct - 31 Oct	Wizz Air UK
04 Oct - 19 Oct	Wizz Air UK
02 Oct - 09 Oct	Wizz Air UK
09 Oct - 23 Oct	Wizz Air UK
03 Oct - 17 Oct	Vueling Airlines
08 Oct - 27 Oct	Norse Atlantic Airways (UK)
23 Oct - 08 Nov	Wizz Air UK
02 Oct - 25 Oct	Wizz Air UK
12 Oct - 23 Oct	Air Europa
31 Oct - 05 Nov	Vueling Airlines
28 Oct - 20 Nov	TAP

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 906€

Return flights