$57 Find Cheap Flights from Illinois to Kentucky - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Kentucky.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Kentucky with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Illinois and Kentucky are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (98 flights per week), Alaska Airlines (68 flights per week), and American Airlines (67 flights per week).

There are 4 airports in Kentucky. The busiest airport is Louisville Airport (SDF), with 64% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Kentucky is Owensboro Daviess County Airport (OWB), with an average flight price of $130.

Based on KAYAK data, the cheapest day to fly to Kentucky is Saturday where round-trip tickets can be as cheap as $269. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $504 on average.

The cheapest time of day to fly to Kentucky is generally in the morning, when round-trip flights cost $351 on average. Morning departures are around 24% cheaper than evening flights, on average. The most expensive time of day to fly to Kentucky is generally in the evening, which is peak travel time and where the average cost of a ticket is $465.

The cheapest ticket to Kentucky from Illinois found in the last 5 days was to Owensboro, at $154 round-trip. The most popular route is Chicago Midway Airport (MDW) to Louisville (SDF) and the cheapest round-trip airline ticket found on this route in the last 5 days was $232.

The cheapest month for flights from Illinois to Kentucky is August, when tickets cost $38 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $77 and $72 respectively.

To get a below average price on the flight from Illinois to Kentucky, you should book around 4 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

From Illinois, there are direct flights to Kentucky from 1 city. This city is Chicago and there are 607 direct flights each week.

There are around 65 direct flights from within Illinois to Kentucky every day. Most flights (46%) depart in the afternoon.

Each week there are around 454 direct flights from within Illinois to Kentucky. The most common day for departures is Monday, with 15% of flights taking off on this day.

An average nonstop flight from Illinois to Kentucky takes 6h 18m, covering a distance of 366 miles. The shortest route is St. Louis (STL) to Nashville (BNA) with an average flight time of 1h 05m.

There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to Kentucky. Instead, there are 607 short-haul flights (up to 3 hour flight duration), with the most arriving from Chicago.

Based on KAYAK flight searches, the most popular destination is Nashville (62% of total searches to Kentucky). The next most popular destinations are Knoxville (15%) and Cincinnati (12%). Searches for flights to Louisville (5%), to Lexington (3%) and to Blountville (2%) are also popular.