AirHint found the following cheapest return flights from Buenos Aires (AEP) to Lisbon (LIS) in March 2026 (see full year).

Return flights

24 Mar - 14 Apr	Aerolineas Argentinas
20 Mar - 05 Apr	LATAM Airlines Group
19 Mar - 05 Apr	Aerolineas Argentinas
01 Mar - 25 Apr	Aerolineas Argentinas
03 Mar - 17 Mar	Avianca
20 Mar - 11 Apr	Avianca
21 Mar - 08 Apr	Avianca
10 Mar - 31 Mar	Avianca
03 Mar - 16 Mar	Avianca
09 Mar - 07 Apr	Avianca
07 Mar - 19 Mar	Avianca
11 Mar - 17 Mar	Avianca
03 Mar - 18 Mar	Avianca
09 Mar - 23 Mar	Avianca
04 Mar - 14 Mar	Avianca
03 Mar - 23 Mar	Avianca
01 Mar - 10 Mar	Avianca
25 Mar - 13 Apr	Avianca
22 Mar - 01 Apr	Avianca
14 Mar - 01 Apr	Avianca

Also check the deals for one-way flights from Buenos Aires to Lisbon in March.

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 Buenos Aires to Lisbon in March from $921

Return flights