$96 Find Cheap Flights from Louisville to Illinois - Compare and Save

The cheapest ticket to Illinois from Louisville found in the last 5 days was to Chicago, at $269 round-trip. The most popular route is from Louisville (SDF) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 5 days was $276.

The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $508 on average. Morning departures are around 20% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $916.

No, with an average price for the route of $349, prices are generally cheapest when you fly direct.

The cheapest month for flights from Louisville to Illinois is November, when tickets cost $225 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $390 and $365 respectively.

Your flight ticket price will generally be cheaper if you fly to Illinois on a Friday and more expensive on a Monday. On your return trip to Louisville, you should consider flying back on a Saturday, and avoid Mondays for better deals.

To get a below average price on the flight from Louisville to Illinois, you should book around 4 weeks before departure, which saves you about 58% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

There are 3 airlines that fly nonstop from Louisville to Illinois. They are: American Airlines, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Southwest at $77 for a round-trip flight to Chicago Midway Airport (MDW). On average, Southwest offers the best prices for nonstop flights between Louisville and Illinois.

Louisville and Illinois are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (48 flights per week), Air Canada (35 flights per week), and Air New Zealand (24 flights per week).

The duration of a flight to Illinois depends on your arrival airport. The shortest routes to Illinois from Louisville are to Chicago, which takes 1h 23m, and Moline, which takes 3h 32m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Louisville to Illinois departs at 5:10 am, landing in Chicago at 5:48 am.

If you prefer to fly at night, the latest flight from Louisville to Illinois jets off at 7:55 pm and lands in Chicago at 8:40 pm.