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

Return flights

13 Jan - 20 Jan	Air Canada
27 Jan - 16 Feb	Royal Air Maroc
15 Jan - 28 Jan	Air Canada
23 Jan - 28 Jan	Air Canada
13 Jan - 04 Feb	Air Canada
23 Jan - 07 Feb	Air Canada
21 Jan - 03 Feb	TAP
26 Jan - 01 Feb	TAP
09 Jan - 24 Feb	LATAM Airlines Group
29 Jan - 19 Feb	TAP
24 Jan - 04 Feb	TAP
26 Jan - 31 Jan	TAP
24 Jan - 01 Feb	TAP
24 Jan - 31 Jan	TAP
17 Jan - 08 Feb	Ryanair
21 Jan - 28 Jan	LATAM Airlines Group
05 Jan - 29 Jan	LATAM Airlines Group
16 Jan - 31 Jan	Air Canada
19 Jan - 28 Jan	LATAM Airlines Group
07 Jan - 28 Jan	LATAM Airlines Group

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 899€

Return flights