Cheapest return flights from London to Buenos Aires in October from $1084

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 - 13 Oct Ryanair
28 Oct - 04 Nov Ryanair
20 Oct - 26 Oct TAP
06 Oct - 18 Oct LATAM Airlines Group
21 Oct - 27 Oct LATAM Airlines Group
08 Oct - 20 Oct Air Canada
08 Oct - 23 Oct Air Canada
07 Oct - 16 Oct Air Canada
13 Oct - 27 Oct LATAM Airlines Group
01 Oct - 15 Oct Air Canada
08 Oct - 15 Oct Air Canada
21 Oct - 04 Nov LATAM Airlines Group
12 Oct - 16 Nov British Airways
30 Oct - 17 Nov British Airways
25 Oct - 09 Nov British Airways
31 Oct - 08 Nov LATAM Airlines Group
24 Oct - 02 Nov British Airways
15 Oct - 15 Nov LATAM Airlines Group
15 Oct - 05 Nov Air Canada

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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