AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (AEP) in April 2026 (see full year).
Return flights
| 10 Apr - 19 Apr | Azul Airlines | ||
| 01 Apr - 08 Apr | LATAM Airlines Group | ||
| 08 Apr - 29 Apr | LATAM Airlines Group | ||
| 30 Apr - 19 May | LATAM Airlines Group | ||
| 01 Apr - 01 May | LATAM Airlines Group | ||
| 01 Apr - 27 Apr | SWISS |
Also check the deals for one-way flights from Lisbon to Buenos Aires in April.
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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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