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

Return flights

29 Oct - 13 Nov	Air Canada
27 Oct - 16 Nov	Air Canada
15 Oct - 28 Oct	Air Canada
15 Oct - 02 Nov	Air Canada
02 Oct - 21 Oct	Avianca
02 Oct - 22 Oct	Avianca
24 Oct - 11 Nov	Avianca
02 Oct - 23 Oct	Avianca
25 Oct - 01 Nov	Air Canada
18 Oct - 06 Nov	Air Canada
22 Oct - 06 Nov	Air Canada
20 Oct - 01 Nov	Air Canada
22 Oct - 01 Nov	Air Canada
11 Oct - 28 Oct	Air Canada
18 Oct - 28 Oct	LATAM Airlines Group
17 Oct - 31 Oct	Air France
06 Oct - 19 Oct	Air Canada
24 Oct - 31 Oct	KLM
17 Oct - 28 Oct	LATAM Airlines Group
29 Oct - 12 Nov	United

Also check the deals for one-way flights from Buenos Aires to London 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 Buenos Aires to London in October from $1176

Return flights