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

Return flights

20 Oct - 20 Nov	Turkish Airlines
28 Oct - 03 Nov	easyJet
01 Oct - 19 Oct	American Airlines
03 Oct - 17 Oct	American Airlines
03 Oct - 18 Oct	American Airlines
09 Oct - 23 Oct	American Airlines
02 Oct - 23 Oct	American Airlines
08 Oct - 23 Oct	American Airlines
08 Oct - 24 Oct	American Airlines
01 Oct - 16 Oct	American Airlines
01 Oct - 12 Oct	American Airlines
16 Oct - 23 Oct	American Airlines
31 Oct - 07 Nov	easyJet
29 Oct - 03 Nov	easyJet
20 Oct - 10 Nov	easyJet
31 Oct - 15 Nov	easyJet
28 Oct - 06 Nov	easyJet
31 Oct - 03 Nov	easyJet
21 Oct - 03 Nov	easyJet
28 Oct - 17 Nov	Air Europa

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 867€

Return flights