$46 Cheap American Airlines flights Chicago (ORD) to Louisville (SDF)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines return flights from $91 from ORD to SDF. Affordable one-way options from $46 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for return or one-way flights to Louisville in January or December. You could find lower fares with American Airlines during these quieter months.

For cheap American Airlines fares from O’Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Choose from one of American Airlines’s 18 weekly direct flights from O’Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). To view available options, enter your dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

Leave O’Hare Intl. Airport (ORD) for Louisville Intl. Airport (SDF) on a nonstop American Airlines flight, and you’ll be in the sky for around 1h 24m.

If you’re looking for flexibility, Thursday offers the most choice for American Airlines flights from O’Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). Take your pick of 3 different departures.

The earliest flight from ORD to SDF with American Airlines departs at 8:18AM UTC-6. You’ll land at 10:46AM UTC-5. The last American Airlines flight of the day takes off at 5:55PM UTC-6 and arrives at 8:18PM UTC-5. With approximately 20% fewer cancellations for departures before midday, jetting out early is generally the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Louisville Intl. Airport (SDF) is the main Louisville gateway for American Airlines flights from O’Hare Intl. Airport (ORD).

You’ll likely be seated on a Bombardier CRJ or an Embraer 175 when flying American Airlines from O’Hare Intl. Airport (ORD) to Louisville Intl. Airport (SDF). However, keep in mind that a different aircraft may be assigned due to operational requirements.

Changes are usually free within 24 hours of making a booking, but your airline may charge a fee after that. For further information about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without extra charges, tick the “Changes included” or “No cancel fee” filter when planning your next break.