Cheap flights from Kentucky to Illinois from $38
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Illinois departing on 7/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Kentucky to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Kentucky is in April. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $214.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Kentucky to Illinois is on a Thursday when prices can be found for as low as $484. Flights from Kentucky to Illinois on a Sunday will generally be more expensive and average around $714. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Kentucky to Illinois during this time can be as low as $512. Flights at noon are often more expensive with an average ticket price of $889.
What is the cheapest Kentucky to Illinois flight route?
Fly from Louisville Intl to Chicago Midway for the best Kentucky - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Kentucky when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $285 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Kentucky for as low as $165 on momondo.
What cabin class options are available on Kentucky to Illinois flights?
There are 4 cabin classes available to choose from on Kentucky to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Kentucky to Illinois?
Spirit Airlines, United Airlines, and Allegiant Air are the most popular carriers operating from Kentucky to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Kentucky according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Kentucky to Illinois on average per day?
As of June 2025, 208 flights take off from Kentucky and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 50% of daily flights taking off at noon.
How many flights depart from Kentucky to Illinois on average per week?
1,462 flights are operational weekly from Kentucky to Illinois as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Kentucky to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Kentucky to Illinois
When did momondo last update prices for flights from Kentucky to Illinois?
Prices for flights from Kentucky to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Kentucky to Illinois?
As of June 2025, there are 8 operators available to choose from for flights from Kentucky to Illinois.
How old do you have to be to fly from Kentucky to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Kentucky to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Kentucky to Illinois is Embraer 175 (Enhanced Winglets), representing 18.45% of all bookings. The subsequent popular models are Embraer 170 at 14.48%, Canadair (Bombardier) Regional Jet CRJ-550 at 13.49%, and Embraer 175 at 9.45%.
Best airlines flying from Kentucky to Illinois
Compare and see reviews for airlines that fly from Kentucky to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $105 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $111 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $113 | Free Cancellation | Rating 7.0 27 reviews | |||
| PriceFrom $172 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Kentucky to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kentucky to Illinois for you.
Can I find flights from Kentucky to Illinois with flexible booking policies on momondo?
Flights from Kentucky to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Kentucky to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kentucky to Illinois.
I’m not ready to book a flight from Kentucky to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Kentucky to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.