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

Return flights

29 Oct - 16 Nov	Avianca
27 Oct - 10 Nov	Avianca
14 Oct - 28 Oct	Air Canada
07 Oct - 21 Oct	Air Canada
07 Oct - 14 Oct	Air Canada
18 Oct - 09 Nov	Air Canada
03 Oct - 21 Oct	Air Canada
03 Oct - 22 Oct	Air Canada
05 Oct - 26 Oct	Air Canada
01 Oct - 20 Oct	Turkish Airlines
01 Oct - 21 Oct	Turkish Airlines
03 Oct - 17 Oct	Iberia
01 Oct - 30 Nov	Turkish Airlines
25 Oct - 02 Nov	Avianca
25 Oct - 06 Nov	Avianca
25 Oct - 12 Nov	Avianca
08 Oct - 18 Oct	Turkish Airlines
31 Oct - 15 Nov	Iberia
30 Oct - 12 Nov	Turkish Airlines
31 Oct - 21 Nov	Iberia

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 815€

Return flights