Cheapest return flights from Buenos Aires to Lisbon in September from $1206

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

09 Sep - 23 Sep LATAM Airlines Group
09 Sep - 30 Sep LATAM Airlines Group
16 Sep - 30 Sep Aerolineas Argentinas
19 Sep - 21 Oct Aerolineas Argentinas
19 Sep - 04 Oct Aerolineas Argentinas
25 Sep - 15 Oct Air Canada
19 Sep - 30 Sep LATAM Airlines Group
06 Sep - 24 Sep LATAM Airlines Group
14 Sep - 28 Sep LATAM Airlines Group
20 Sep - 08 Oct Air Canada
08 Sep - 25 Sep Avianca
11 Sep - 25 Sep Avianca
29 Sep - 17 Oct Avianca
11 Sep - 26 Sep Avianca
29 Sep - 10 Oct Avianca
20 Sep - 10 Oct Avianca
11 Sep - 30 Sep Air Canada
15 Sep - 05 Oct Air Canada
28 Sep - 15 Oct SWISS
24 Sep - 09 Oct SWISS

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

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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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