Cheapest return flights from Louisville to San Juan in August from 268€

AirHint found the following cheapest return flights from Louisville (SDF) to San Juan (SJU) in August 2025 (see full year).

Return flights

30 Aug - 04 Sep Spirit Airlines
31 Aug - 05 Sep Southwest Airlines
31 Aug - 04 Sep Spirit Airlines
31 Aug - 09 Sep Southwest Airlines
23 Aug - 26 Aug Southwest Airlines
19 Aug - 26 Aug Delta
29 Aug - 02 Sep Allegiant Air

Also check the deals for one-way flights from Louisville to San Juan in August.

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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