Cheap Flights from Chicago to Louisville Muhammad Ali International

Compare Chicago to Louisville Muhammad Ali International flight deals

Find the cheapest month or even day of the year to fly to Louisville Muhammad Ali International

Book the best Louisville Muhammad Ali International fare with no extra fees

Flight deals from Chicago to Louisville Muhammad Ali International

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Louisville Muhammad Ali International Airport? If you want to travel next month, round-trip fares start from AED 778. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Chicago to Louisville Muhammad Ali International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Louisville Muhammad Ali International flights are currently cheapest in May.

Direct flights from Chicago to Louisville Muhammad Ali International

Chicago to Louisville Muhammad Ali International: Alternative routes

Compare routes from Chicago to Louisville below. You may find an airport to fly into that's cheaper, faster, or easier than Louisville Muhammad Ali International.

Chicago to Louisville: Flight information

The things to know before you go.
Cheapest flight foundAED 326
Cheapest month to flyMay
Average flight time1 hr, 24 mins
Most popular airlineUnited
Average flights per week484

Finding cheap flights from Chicago to Louisville Muhammad Ali International: Frequently asked questions

The best price we found for a round-trip flight from Chicago to Louisville Muhammad Ali International is AED 778. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 24 minutes is the average flight time from Chicago to Louisville Muhammad Ali International.
United, American Airlines and Republic Airways fly direct from Chicago to Louisville Muhammad Ali International.
There are 428 flights per week flying from Chicago to Louisville Muhammad Ali International, as of May 2026.
The cheapest month to fly from Chicago to Louisville Muhammad Ali International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Louisville Muhammad Ali International Airport on Thursday, June 4, 2026.
Yes – the average flight time is 1 hour and 24 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Louisville Muhammad Ali International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Louisville is around 40 days in advance, so don’t leave your flight to the last minute.

Traveling from Chicago to Louisville Muhammad Ali International Airport (SDF): What you need to know

  • Your adventure begins at one of Chicago's main airports, Chicago O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Check out your options for booking a flight from Chicago to Louisville Muhammad Ali International Airport (SDF) setting off from either of these bases.

  • 1 hour 25 minutes is the average journey time for a direct Chicago to Louisville Muhammad Ali International Airport flight.

  • Louisville Muhammad Ali International Airport is located in Louisville. The city operates on the UTC-5 timezone and is one hour ahead of Chicago.

  • Chicago O'Hare International Airport (ORD) to Louisville Muhammad Ali International Airport (SDF) is the most popular route. There are 60 direct weekly flights to choose from. If you prefer to head out later, take the last flight with American Airlines at 8:25pm. Opt for the first ORD to SDF departure operated by American Airlines at 7am if getting there sooner works for you.

  • To ensure you catch your flight from Chicago to SDF, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • If you're flying during a popular month like July, head to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. Security lines will be longer during high seasons like Thanksgiving and Christmas.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • You can find a direct flight from Chicago to Louisville Muhammad Ali International Airport (SDF) leaving from Chicago O'Hare International Airport (ORD).

  • You can book a direct flight from Chicago to Louisville Muhammad Ali International Airport with United Airlines. This popular airline operates services from ORD.

  • The preferred choice for passengers flying between ORD and SDF is United.

  • Among carriers on this route, American Airlines has the highest percentage of on-time landings.

  • ORD is about 27 kilometers from central Chicago. If you're catching a cab, driving or ride-sharing from the center, it'll take 30 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 45 minutes.

  • In search of a convenient hotel close to Chicago O'Hare International Airport? If you're catching an early flight from Chicago to Louisville Muhammad Ali International Airport, these accommodation options will have you sleeping moments from check-in:

  • When it comes to Chicago O'Hare International Airport's on-time performance, 75% of flights meet their scheduled arrival time.

  • You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • Think about kicking off your trip from Chicago Midway International Airport (MDW). You can book a direct Chicago to Louisville Muhammad Ali International Airport (SDF) plane ticket with departures from this hub.

  • You can board a direct flight from Chicago to SDF with Southwest Airlines. This is one of the top airlines operating this route out of MDW.

  • Southwest Airlines has the largest share of bookings on the MDW to SDF route.

  • Southwest Airlines is the most reliable carrier flying between Chicago Midway International Airport and Louisville Muhammad Ali International Airport, with 78.0% of its services landing on time.

  • Using public transport, you can travel from central Chicago to MDW in around 30 minutes. The airport is roughly 16 kilometers away, and getting there by car will take approximately 25 minutes.

  • Want to treat yourself to an extra night away before catching your Chicago to SDF flight? Check in to a hotel near Chicago Midway International Airport before your break officially begins. These stays are calling your name:

  • 77% of flights leaving Chicago Midway International Airport arrive according to schedule.

  • The street address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • RFD is roughly 145 kilometers from central Chicago. Driving from the city center to the airport takes about 1 hour 40 minutes. If you're thinking about taking public transport, expect a journey of around 2 hours.

  • Make catching an early Chicago to Louisville Muhammad Ali International Airport flight the easiest part of your journey. Book a room at one of these hotels close to Chicago Rockford International Airport and get to your check-in counter without rushing:

  • The on-time performance rate of RFD is 76%. In simpler terms, that's how often flights departing this airport arrive within the expected time frame.

  • The street address of Chicago Rockford International Airport is 2 Airport Cir.

About Louisville Muhammad Ali International Airport (SDF)

Getting from Louisville Muhammad Ali International Airport (SDF) to central Louisville

  • Central Louisville is around 16 kilometers from Louisville Muhammad Ali International Airport and takes about 20 minutes to reach by car. Work out your options for getting into the city, whether that's with a car rental, cab or ride-share.

  • When traveling on public transport, expect a journey time of around 55 minutes.

How to find the cheapest flights from Chicago to Louisville Muhammad Ali International Airport (SDF)

  • AED 326 is currently the best price for a one-way ticket from Chicago to Louisville Muhammad Ali International Airport. A return flight starts at AED 778. These fares can change depending on availability.

  • Book three months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap flights from Chicago to SDF.

  • Schedule your trip for August. That's the best month for scoring the biggest deals on Chicago to Louisville Muhammad Ali International Airport tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across each month.

  • There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know the moment a better deal comes up on plane tickets from Chicago to SDF.

  • Save on your flight from Chicago to Louisville Muhammad Ali International Airport by using the search filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Chicago to Louisville Muhammad Ali International Airport (SDF)

  • September is the quietest month for flights from Chicago to Louisville Muhammad Ali International Airport (SDF), while October is the most popular. Figure out the ideal time to go to Louisville based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Chicago to SDF plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Louisville, with temperatures ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • For cooler conditions, look for a cheap ticket from Chicago to Louisville Muhammad Ali International Airport in January when temperatures are between -8ºC (18ºF) and 9ºC (48ºF).

More about Louisville

Explore more of the United States

  • Louisville will leave a lasting impression, but there are so many other corners of the United States waiting to be discovered. About 306 kilometers northeast of Louisville, a visit to Columbus will fill your itinerary to the brim. Start with leading sights like Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Easton Town Center.

  • If there's time to check out another major stop in the United States, head for Indianapolis, about 177 kilometers north of Louisville. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.