Cheapest return flights from London to Buenos Aires in October from $1162

Best time to book flights for London (LON) to Buenos Aires (AEP) flights at AirHint

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

Return flights

06 Oct - 27 Oct LATAM Airlines Group
29 Oct - 21 Nov LATAM Airlines Group
19 Oct - 27 Oct Air Canada
20 Oct - 27 Oct LATAM Airlines Group
02 Oct - 09 Oct LATAM Airlines Group
03 Oct - 18 Oct LATAM Airlines Group
20 Oct - 03 Nov LATAM Airlines Group
02 Oct - 19 Oct LATAM Airlines Group
03 Oct - 19 Oct LATAM Airlines Group
31 Oct - 21 Nov British Airways
25 Oct - 09 Nov LATAM Airlines Group
30 Oct - 21 Nov LATAM Airlines Group
30 Oct - 15 Nov LATAM Airlines Group
30 Oct - 07 Nov LATAM Airlines Group
28 Oct - 15 Nov Air Canada
20 Oct - 31 Oct LATAM Airlines Group
31 Oct - 14 Nov LATAM Airlines Group
19 Oct - 26 Oct Iberia
25 Oct - 11 Nov LATAM Airlines Group
14 Oct - 25 Oct LATAM Airlines Group

Also check the deals for one-way flights from London to Buenos Aires in October.

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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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