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

Return flights

16 Nov - 01 Dec	SWISS
15 Nov - 27 Nov	SWISS
13 Nov - 29 Nov	TAP
05 Nov - 16 Nov	Air Canada
06 Nov - 18 Nov	Air Canada
17 Nov - 22 Nov	TAP
20 Nov - 12 Dec	SWISS
12 Nov - 18 Nov	Air Canada
17 Nov - 27 Nov	Air Canada
05 Nov - 19 Nov	Air Europa
13 Nov - 20 Nov	Air Canada
01 Nov - 18 Nov	Vueling Airlines
11 Nov - 02 Dec	SWISS
17 Nov - 11 Dec	SWISS
28 Nov - 14 Dec	Air Europa
29 Nov - 13 Dec	Vueling Airlines
21 Nov - 02 Dec	LATAM Airlines Group
26 Nov - 10 Dec	LATAM Airlines Group
07 Nov - 06 Dec	TAP
10 Nov - 10 Dec	LATAM Airlines Group

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

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 November from 878€

Return flights