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

Return flights

31 Oct - 09 Nov	easyJet
31 Oct - 22 Nov	easyJet
17 Oct - 22 Oct	easyJet
29 Oct - 06 Nov	easyJet
29 Oct - 05 Nov	Wizz Air Malta
30 Oct - 08 Nov	Wizz Air Malta
31 Oct - 13 Nov	easyJet
30 Oct - 03 Nov	easyJet
28 Oct - 04 Nov	easyJet
30 Oct - 09 Nov	easyJet
27 Oct - 08 Nov	easyJet
28 Oct - 31 Oct	easyJet
24 Oct - 30 Oct	easyJet
18 Oct - 24 Oct	easyJet
18 Oct - 25 Oct	easyJet
19 Oct - 26 Oct	easyJet
24 Oct - 27 Oct	easyJet
21 Oct - 26 Oct	easyJet
16 Oct - 26 Oct	easyJet
24 Oct - 31 Oct	easyJet

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 $1458

Return flights