AirHint found the following cheapest return flights from London (LCY) to Buenos Aires (EZE) in October 2026 (see full year).

Return flights

21 Oct - 11 Nov	British Airways
19 Oct - 16 Nov	British Airways
09 Oct - 22 Oct	ITA Airways
28 Oct - 13 Nov	British Airways
30 Oct - 13 Nov	British Airways
06 Oct - 19 Oct	ITA Airways
12 Oct - 18 Oct	British Airways
07 Oct - 14 Oct	British Airways
04 Oct - 11 Oct	British Airways
01 Oct - 15 Oct	British Airways
24 Oct - 07 Nov	Delta
09 Oct - 23 Oct	ITA Airways
12 Oct - 31 Oct	ITA Airways
03 Oct - 24 Oct	ITA Airways
17 Oct - 04 Nov	KLM
26 Oct - 31 Oct	ITA Airways
31 Oct - 21 Nov	ITA Airways
17 Oct - 03 Nov	KLM

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 $1289

Return flights