Cheapest one-way flights from Madrid to Buenos Aires in September from 511€

Best time to book flights for Madrid (MAD) to Buenos Aires (EZE) flights at AirHint

AirHint found the following cheapest one-way flights from Madrid (MAD) to Buenos Aires (EZE) in September 2025 (see full year).

One-Way flights

02 Sep Lufthansa
04 Sep Lufthansa
05 Sep Lufthansa
22 Sep Avianca
14 Sep Avianca
23 Sep Avianca
09 Sep Avianca
06 Sep Avianca
10 Sep Avianca
16 Sep Avianca

Also check the deals for return flights from Madrid to Buenos Aires in September.

Skyscanner

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