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

Return flights

01 Mar - 15 Apr	LATAM Airlines Group
09 Mar - 09 Apr	LATAM Airlines Group
07 Mar - 14 Mar	Avianca
17 Mar - 31 Mar	Avianca
02 Mar - 13 Mar	Avianca
05 Mar - 16 Mar	Avianca
05 Mar - 17 Mar	Avianca
01 Mar - 18 Mar	Avianca
04 Mar - 21 Mar	Avianca
04 Mar - 18 Mar	Avianca
12 Mar - 30 Mar	Avianca
25 Mar - 09 Apr	Avianca
24 Mar - 08 Apr	Avianca
14 Mar - 30 Mar	Avianca
26 Mar - 14 Apr	Avianca
25 Mar - 12 Apr	Avianca
23 Mar - 12 Apr	Avianca
18 Mar - 07 Apr	Avianca
23 Mar - 07 Apr	Avianca
26 Mar - 07 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 898€

Return flights