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

Return flights

26 Nov - 06 Dec	Ryanair
26 Nov - 05 Dec	Ryanair
20 Nov - 05 Dec	Ryanair
20 Nov - 09 Dec	Ryanair
19 Nov - 07 Dec	Ryanair
19 Nov - 06 Dec	Ryanair
19 Nov - 30 Nov	Ryanair
20 Nov - 30 Nov	Ryanair
26 Nov - 03 Dec	ITA Airways
26 Nov - 11 Dec	Ryanair
20 Nov - 02 Dec	Ryanair
19 Nov - 03 Dec	Ryanair
20 Nov - 27 Nov	Ryanair
18 Nov - 30 Nov	Avianca
18 Nov - 25 Nov	Avianca
10 Nov - 22 Nov	Norse Atlantic Airways (UK)
13 Nov - 27 Nov	TAP
18 Nov - 23 Nov	Avianca
14 Nov - 25 Nov	Ryanair
13 Nov - 22 Nov	Norse Atlantic Airways (UK)

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 840€

Return flights