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

Return flights

11 Nov - 18 Nov	Ryanair
06 Nov - 18 Nov	Ryanair
06 Nov - 13 Nov	Ryanair
03 Nov - 18 Nov	Ryanair
07 Nov - 14 Nov	Ryanair
06 Nov - 28 Nov	Ryanair
14 Nov - 18 Nov	Ryanair
07 Nov - 22 Nov	Ryanair
01 Nov - 15 Nov	Ryanair
12 Nov - 18 Nov	Ryanair
12 Nov - 04 Dec	Ryanair
20 Nov - 03 Dec	Ryanair
26 Nov - 02 Dec	Wizz Air Malta
25 Nov - 07 Dec	Ryanair
09 Nov - 01 Dec	Avianca
11 Nov - 03 Dec	Avianca
11 Nov - 01 Dec	Avianca
16 Nov - 06 Dec	Avianca
16 Nov - 07 Dec	Avianca
14 Nov - 05 Dec	Ryanair

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 $897

Return flights