Cheapest return flights from Louisville to Lisbon in September from $914

Best time to book flights for Louisville (SDF) to Lisbon (LIS) flights at AirHint

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

Return flights

05 Sep - 22 Sep Scandinavian Airlines

Also check the deals for one-way flights from Louisville 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.

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