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

Return flights

20 May - 27 May	Air Canada
26 May - 24 Jun	Lufthansa
13 May - 17 Jun	Lufthansa
06 May - 18 May	Air Canada
26 May - 16 Jun	Lufthansa
28 May - 20 Jun	Lufthansa
14 May - 10 Jun	Lufthansa
01 May - 03 Jun	Lufthansa
19 May - 03 Jun	Lufthansa
31 May - 11 Jun	Lufthansa
21 May - 27 Jun	Lufthansa
27 May - 13 Jun	Lufthansa
22 May - 31 May	Lufthansa
21 May - 31 May	Lufthansa
05 May - 29 May	Lufthansa
12 May - 31 May	Lufthansa
08 May - 29 May	Lufthansa
01 May - 29 May	Lufthansa
01 May - 31 May	Lufthansa
02 May - 31 May	Lufthansa

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Madrid to Buenos Aires in May from $716

Return flights