€109 Cheap Flights Chicago to Louisville (ORD-SDF)

Airlines that fly from Chicago O'Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF)

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Cheap flights from Chicago to Louisville (ORD-SDF)

Prices were available within the past 7 days and start at €109 for one-way flights and €140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
Delta
Delta
United
American Airlines
American Airlines
Delta
Delta
*Available to Expedia members.