AirHint found the following cheapest return flights from Madrid (MAD) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

25 Jan - 08 Feb	TAP
26 Jan - 08 Feb	TAP
12 Jan - 25 Jan	Lufthansa
23 Jan - 31 Jan	TAP
23 Jan - 10 Feb	TAP
23 Jan - 16 Feb	TAP
24 Jan - 10 Feb	TAP
27 Jan - 10 Feb	TAP
22 Jan - 15 Feb	TAP
30 Jan - 10 Feb	TAP
22 Jan - 09 Feb	Royal Air Maroc
19 Jan - 16 Feb	Royal Air Maroc
01 Jan - 30 Jan	Royal Air Maroc
22 Jan - 30 Jan	TAP
20 Jan - 29 Jan	Royal Air Maroc
01 Jan - 25 Jan	Royal Air Maroc
05 Jan - 25 Jan	Royal Air Maroc
05 Jan - 30 Jan	Royal Air Maroc
10 Jan - 26 Jan	Royal Air Maroc
04 Jan - 20 Jan	Royal Air Maroc

Also check the deals for one-way flights from Madrid to Buenos Aires in January.

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 January from $1011

Return flights