Cheapest one-way flights from Lisbon to Buenos Aires in September from $591

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

One-Way flights

02 Sep TAP
16 Sep Azul Airlines
15 Sep Air Canada
08 Sep Air Canada
24 Sep Vueling Airlines
21 Sep Vueling Airlines
22 Sep Vueling Airlines
19 Sep Vueling Airlines
17 Sep Vueling Airlines
12 Sep Vueling Airlines

Also check the deals for return flights from Lisbon to Buenos Aires 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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