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$38+ Cheap flights from Kentucky to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ORD
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Kentucky to Illinois

Cheapest flights from Kentucky to Illinois
Explore the most affordable flight options available from Kentucky to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Frontier deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/96:27 pmBNA - ORD
Nonstop1h 51mFrontier
Mon 11/251:20 pmORD - BNA
Nonstop1h 36mFrontier
Deal found 10/29$63
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:30 amBNA - ORD
Nonstop1h 54mAmerican Airlines
Tue 12/108:45 pmORD - BNA
Nonstop1h 40mAmerican Airlines
Deal found 10/30$99
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:35 pmBNA - MDW
Nonstop1h 35mSouthwest
Mon 12/167:30 pmMDW - BNA
Nonstop1h 30mSouthwest
Deal found 10/30$100
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/58:19 pmBNA - ORD
1 stop13h 55mMultiple Airlines
Sun 11/176:00 amORD - BNA
Nonstop1h 36mMultiple Airlines
Deal found 10/30$113
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:00 amCVG - STL
1 stop13h 24mFrontier
Sat 12/74:13 pmSTL - CVG
1 stop16h 41mFrontier
Deal found 10/30$115
This CheapOair deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/189:22 pmBNA - MDW
1 stop18h 28mFrontier
Wed 11/209:45 amMDW - BNA
1 stop6h 14mFrontier
Deal found 10/31$118
This FareScan deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/187:53 pmBNA - ORD
2 stops26h 13mSpirit Airlines
Wed 11/207:00 amORD - BNA
1 stop12h 02mSpirit Airlines
Deal found 10/31$130
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:00 amBNA - ORD
Nonstop1h 53mUnited Airlines
Mon 12/162:15 pmORD - BNA
Nonstop1h 43mUnited Airlines
Deal found 10/31$157
This Frontier deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/124:19 pmTYS - MDW
1 stop8h 54mFrontier
Sun 12/157:15 amMDW - TYS
1 stop7h 01mFrontier
Deal found 10/31$158
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/158:15 pmTYS - ORD
1 stop27h 57mFrontier
Sun 11/179:27 pmORD - TYS
1 stop23h 08mFrontier
Deal found 10/30$158
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:00 amTYS - ORD
Nonstop2h 01mUnited Airlines
Mon 12/95:50 pmORD - TYS
Nonstop1h 45mUnited Airlines
Deal found 10/31$159
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/138:10 pmBNA - ORD
Nonstop1h 50mSouthwest
Sun 12/155:45 amORD - BNA
2 stops9h 25mSouthwest
Deal found 10/30$163

Find flights from Kentucky to Illinois within your budget

Customize your flight search to find flights from Kentucky to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Sun 12/8

2:54 pm-4:47 pm

Nonstop1h 53m

$48

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Tue 12/3

9:09 pm-10:17 am

1 stop13h 08m

$49

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Sun 12/8

6:55 am-8:30 am

Nonstop1h 35m

$50

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Mon 12/16

8:00 am-9:53 am

Nonstop1h 53m

$50

KnoxvilleChicago

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 11/8

7:06 pm-7:39 pm

Nonstop1h 33m

$51

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Wed 11/20

8:15 am-12:52 pm

1 stop5h 37m

$84

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Thu 1/23

10:06 am-5:18 pm

1 stop7h 12m

$85

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Sat 12/14

10:17 am-5:01 pm

1 stop6h 44m

$88

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 12/3

6:30 am-7:09 am

Nonstop1h 39m

$89

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Thu 11/14

11:25 am-5:08 pm

1 stop6h 43m

$54

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Kentucky to Illinois

Get recent, data-driven insights about flights from Kentucky to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kentucky to Illinois?

Currently, September is the cheapest month in which you can book a flight from Kentucky to Illinois (average of $232). Flying from Kentucky to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to IL?

Find hourly flight availability from Kentucky to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 31, 2024.
See what other customers who have flown with Frontier, Delta and Spirit Airlines from Kentucky to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,514 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,240 reviews
Southwest
8.1
Very good
5,116 reviews

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Kentucky to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Kentucky to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $57, but on average you can expect to pay $135.

  • Are there nonstop flights from Kentucky to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 15 direct flights from Kentucky to Illinois under $100. A good price for a nonstop flight from Kentucky to Illinois is less than $195.

  • Are there last-minute flights available from Kentucky to Illinois for under $100?

    There are currently 20+ open flights from Kentucky to Illinois within the next 7 days for less than $100.

  • What days are nonstop flights available from Kentucky to Illinois?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Kentucky to Illinois on average per day?

    Per day, 98 flights depart from Kentucky to Illinois on average.
    Early Morning (Midnight to 6am) - 12% of flight departures
    Morning (6am - Noon) - 41% of flight departures
    Afternoon (Noon - 6pm) - 47% of flight departures

  • How long is the flight from Kentucky to Illinois?

    Departing from Kentucky to Illinois will take you 1h 34m. The distance between Kentucky and Illinois is about 288 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Kentucky to Illinois one-way?

    One-way options have recently been found by users for as low as $38 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $49 and Southwest from $50 one-way.

  • What does SDF to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Louisville Intl Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a SDF to ORD flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Kentucky to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Kentucky to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Kentucky to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Kentucky to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Kentucky to Illinois that include hotel bookings?

    Yes. In addition to deals on Kentucky to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Illinois.

  • Can I find deals for business class flights from Kentucky to Illinois?

    Yes. Cheapflights offers flight deals from Kentucky to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Kentucky to Illinois that allow pets onboard?

    Many airlines flying from Kentucky to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Kentucky to Illinois?

    Yes, you can often find last-minute deals on Kentucky to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Kentucky to Illinois flight deals updated?

    The Kentucky to Illinois flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Kentucky to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Kentucky to Illinois (average of $232). Flying from Kentucky to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kentucky to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Kentucky to Illinois

Discover the top 5 airlines that operate flights from Kentucky to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$108Average$245FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$117Average$293FlexibilityNo cancel feeOn-time71%
ContourCheapest$117Average$142FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$135Average$286FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$156Average$268FlexibilityNo cancel feeOn-time63%
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