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

Return flights

29 Jan - 22 Feb	Ryanair
29 Jan - 15 Feb	Ryanair
26 Jan - 15 Feb	Iberia
26 Jan - 08 Feb	Iberia
15 Jan - 08 Feb	Ryanair
15 Jan - 15 Feb	Ryanair
22 Jan - 01 Feb	Iberia
19 Jan - 01 Feb	Iberia
19 Jan - 29 Jan	Delta
22 Jan - 29 Jan	Delta
17 Jan - 29 Jan	Delta
20 Jan - 29 Jan	Delta
21 Jan - 29 Jan	Delta
23 Jan - 29 Jan	Delta
12 Jan - 29 Jan	Delta
24 Jan - 24 Feb	Delta
12 Jan - 05 Feb	Delta
15 Jan - 25 Jan	Ryanair
13 Jan - 29 Jan	Delta
16 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 558€

Return flights