Cheapest one-way flights from Louisville to San Jose in December from $439

AirHint found the following cheapest one-way flights from Louisville (SDF) to San Jose (SJO) in December 2025 (see full year).

One-Way flights

19 Dec Spirit Airlines
25 Dec Spirit Airlines
27 Dec Allegiant Air

Also check the deals for return flights from Louisville to San Jose in December.

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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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