Cheapest return flights from Buenos Aires to Lisbon in September from $1065

Best time to book flights for Buenos Aires (AEP) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Buenos Aires (AEP) to Lisbon (LIS) in September 2025 (see full year).

Return flights

29 Sep - 30 Oct GOL Linhas Aéreas
04 Sep - 18 Sep Flybondi
27 Sep - 12 Oct Flybondi
06 Sep - 06 Oct GOL Linhas Aéreas
08 Sep - 21 Sep Flybondi
15 Sep - 18 Sep LATAM Airlines Group
24 Sep - 12 Oct Avianca
25 Sep - 30 Oct LATAM Airlines Group
24 Sep - 06 Oct Avianca
25 Sep - 15 Oct Air Canada
17 Sep - 29 Sep Avianca
03 Sep - 17 Sep Air Canada
23 Sep - 12 Oct Avianca
23 Sep - 06 Oct Avianca
16 Sep - 01 Oct Avianca
10 Sep - 23 Sep Air Canada
22 Sep - 29 Sep Avianca
18 Sep - 30 Sep Avianca
02 Sep - 22 Sep Avianca
01 Sep - 18 Sep Avianca

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

Cheap car rent in Lisbon