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

Return flights

13 Oct - 28 Oct	Air Canada
07 Oct - 14 Oct	Air Canada
29 Oct - 16 Nov	Air Canada
20 Oct - 04 Nov	Air Canada
29 Oct - 15 Nov	Air Canada
27 Oct - 10 Nov	Avianca
29 Oct - 05 Nov	Avianca
29 Oct - 01 Nov	Avianca
01 Oct - 22 Oct	Turkish Airlines
08 Oct - 20 Oct	Turkish Airlines
31 Oct - 21 Nov	Iberia
05 Oct - 18 Oct	Turkish Airlines
30 Oct - 01 Nov	United
31 Oct - 14 Nov	Iberia
31 Oct - 20 Nov	United
08 Oct - 17 Oct	Turkish Airlines
16 Oct - 28 Oct	Air Canada
07 Oct - 17 Oct	Air Canada
02 Oct - 17 Oct	Turkish Airlines
12 Oct - 26 Oct	British Airways

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 $998

Return flights