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

Return flights

29 Jan - 15 Feb	Ryanair
26 Jan - 01 Feb	Air Europa
29 Jan - 22 Feb	Ryanair
22 Jan - 08 Feb	Air Europa
17 Jan - 28 Jan	Delta
16 Jan - 28 Jan	Delta
21 Jan - 28 Jan	Delta
13 Jan - 29 Jan	Delta
13 Jan - 28 Jan	Delta
22 Jan - 29 Jan	Delta
21 Jan - 17 Feb	Delta
25 Jan - 18 Feb	Delta
25 Jan - 24 Feb	Delta
23 Jan - 23 Feb	Delta
13 Jan - 02 Feb	Delta
26 Jan - 16 Feb	Delta
14 Jan - 28 Jan	Delta
17 Jan - 29 Jan	Delta
16 Jan - 29 Jan	Delta
14 Jan - 29 Jan	Delta

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 652€

Return flights