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

Return flights

13 Nov - 03 Dec	SWISS
15 Nov - 28 Nov	SWISS
15 Nov - 01 Dec	SWISS
21 Nov - 01 Dec	Lufthansa
15 Nov - 24 Nov	SWISS
10 Nov - 25 Nov	SWISS
27 Nov - 12 Dec	SWISS
16 Nov - 02 Dec	SWISS
20 Nov - 04 Dec	SWISS
03 Nov - 16 Nov	TAP
12 Nov - 17 Nov	TAP
12 Nov - 25 Nov	SWISS
20 Nov - 03 Dec	SWISS
13 Nov - 01 Dec	SWISS
17 Nov - 02 Dec	SWISS
13 Nov - 26 Nov	SWISS
17 Nov - 28 Nov	Lufthansa
03 Nov - 14 Nov	TAP
17 Nov - 30 Nov	SWISS
19 Nov - 04 Dec	TAP

Also check the deals for one-way flights from Madrid 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 Madrid to Buenos Aires in November from 737€

Return flights