Cheapest return flights from Buenos Aires to Lisbon in September from $1183

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

Return flights

25 Sep - 13 Oct Avianca
27 Sep - 07 Oct Aerolíneas Argentinas
22 Sep - 07 Oct Avianca
16 Sep - 30 Sep Avianca
17 Sep - 28 Sep Avianca
28 Sep - 12 Oct Avianca
20 Sep - 01 Oct Avianca
29 Sep - 12 Oct Avianca
10 Sep - 28 Sep Aerolíneas Argentinas
19 Sep - 09 Oct Aerolíneas Argentinas
17 Sep - 04 Oct Avianca
20 Sep - 03 Oct LATAM Airlines Group
28 Sep - 09 Oct Aerolíneas Argentinas
13 Sep - 23 Sep Aerolíneas Argentinas
11 Sep - 21 Sep Aerolíneas Argentinas
08 Sep - 21 Sep Aerolíneas Argentinas
14 Sep - 27 Sep Aerolíneas Argentinas
07 Sep - 19 Sep Aerolíneas Argentinas
01 Sep - 13 Sep Aerolíneas Argentinas
05 Sep - 15 Sep Aerolíneas Argentinas

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

Powered by

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 Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.