Title: Cheap Flights from Chicago to Louisville (ORD to SDF) - Expedia.co.uk ![The Louisville, Kentucky skyline with pedestrian walkway in front](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Chicago (ORD) to Louisville (SDF) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Chicago O'Hare International Airport (ORD) to Louisville International Airport (SDF) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:sdf,departure:15/11/2025TANYT&leg2=from:sdf,to:ord,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:sdf,departure:15/11/2025TANYT&leg2=from:sdf,to:ord,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:sdf,departure:15/11/2025TANYT&leg2=from:sdf,to:ord,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ord,to:sdf,departure:15/11/2025TANYT&leg2=from:sdf,to:ord,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Chicago (ORD) to Louisville (SDF) ### September is typically the cheapest month to fly From £57 - £323 per traveller. ## Frequently asked questions ### How much is a flight from O'Hare Intl. Airport (ORD) to Louisville Muhammad Ali Intl. Airport? > If you're planning on travelling from O'Hare Airport to Louisville Intl. Airport (SDF), round-trip flights start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Louisville Muhammad Ali Intl. Airport? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from O'Hare Airport to SDF that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to SDF flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from ORD to Louisville Muhammad Ali Intl. Airport? > The distance from ORD (ORD) to SDF (SDF) is only 460 kilometres. You'll be walking down the air bridge and collecting your suitcase from the carousel before long. ### Which airlines fly direct from O'Hare Airport to Louisville Intl. Airport (SDF)? > There are several airlines that travel directly from O'Hare Airport to SDF. United Airlines (UA) is an excellent choice, offering 117 flights each month. Another carrier operating on this route is American Airlines (AA). You'll have 82 flights every month to choose from. ### Are ORD to Louisville Muhammad Ali Intl. Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes pick up a bargain, with some super cheap fares from ORD to SDF arising a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance. ## Travel information | Origin airport | O'Hare Intl. | | --- | --- | | Destination airport | Louisville Intl. | | Distance | 457 km | | Average flight time | 2 hours 31 mins | ## Book with confidence ### Compare flights from Chicago to Louisville easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Louisville. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Louisville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Louisville Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from O'Hare Intl. (ORD) to Louisville Intl. (SDF) The easiest way to view the best deals on flights from Chicago to Louisville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Louisville Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Chicago and Louisville - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Chicago to Louisville flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Louisville Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. 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