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

Return flights

13 Oct - 27 Oct	Ryanair
28 Oct - 24 Nov	easyJet
27 Oct - 31 Oct	Ryanair
01 Oct - 31 Oct	Ryanair
11 Oct - 26 Oct	easyJet
18 Oct - 26 Oct	Ryanair
05 Oct - 19 Oct	easyJet
27 Oct - 02 Nov	Ryanair
03 Oct - 17 Oct	easyJet
18 Oct - 25 Oct	Ryanair
12 Oct - 18 Oct	easyJet
12 Oct - 26 Oct	easyJet
27 Oct - 08 Nov	Ryanair
21 Oct - 04 Nov	Ryanair
13 Oct - 04 Nov	Ryanair
28 Oct - 06 Nov	easyJet
07 Oct - 07 Nov	easyJet
22 Oct - 07 Nov	easyJet
30 Oct - 12 Nov	easyJet
30 Oct - 15 Nov	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 $1194

Return flights