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

Return flights

06 Mar - 19 Mar	Azul Airlines
28 Mar - 11 Apr	easyJet
02 Mar - 24 Mar	Azul Airlines
29 Mar - 11 Apr	Azul Airlines
09 Mar - 11 Apr	Azul Airlines
18 Mar - 25 Mar	Azul Airlines
02 Mar - 17 Mar	Azul Airlines
28 Mar - 12 Apr	easyJet
27 Mar - 04 Apr	Azul Airlines
25 Mar - 04 Apr	Azul Airlines
01 Mar - 24 Mar	TAP
06 Mar - 15 Mar	Azul Airlines
29 Mar - 12 Apr	Azul Airlines
28 Mar - 10 Apr	Azul Airlines
26 Mar - 04 Apr	Azul Airlines
01 Mar - 17 Mar	LATAM Airlines Group
01 Mar - 31 Mar	LATAM Airlines Group
01 Mar - 15 Mar	LATAM Airlines Group
26 Mar - 06 Apr	Azul Airlines

Also check the deals for one-way flights from Lisbon to Buenos Aires 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 Lisbon to Buenos Aires in March from 749€

Return flights