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$45+ Cheap flights from Illinois to Kentucky

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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Cheap flight deals from Illinois to Kentucky

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Kentucky (USKY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from Illinois to Kentucky

Cheapest flights from Illinois to Kentucky
Explore the most affordable flight options available from Illinois to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Frontier deal was found by Cheapflights users on 11/19. 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.
vie. 12/133:09 pmORD - BNA
Nonstop1h 37mFrontier
mié. 12/181:30 pmBNA - ORD
Nonstop1h 53mFrontier
Deal found 11/19$63
This American Airlines deal was found by Cheapflights users on 11/19. 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.
dom. 12/157:50 pmORD - BNA
Nonstop1h 46mAmerican Airlines
lun. 12/165:30 amBNA - ORD
Nonstop1h 54mAmerican Airlines
Deal found 11/19$97
This Southwest deal was found by Cheapflights users on 11/20. 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.
mié. 12/117:30 pmMDW - BNA
Nonstop1h 30mSouthwest
dom. 12/156:55 amBNA - MDW
Nonstop1h 35mSouthwest
Deal found 11/20$98
This Southwest deal was found by Cheapflights users on 11/19. 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.
mar. 12/1011:25 amORD - BNA
Nonstop1h 30mSouthwest
mar. 12/108:10 pmBNA - ORD
Nonstop1h 50mSouthwest
Deal found 11/19$118
This United Airlines deal was found by Cheapflights users on 11/19. 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.
jue. 12/127:45 pmORD - BNA
Nonstop1h 42mUnited Airlines
sáb. 12/146:00 amBNA - ORD
Nonstop1h 53mUnited Airlines
Deal found 11/19$119
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/133:09 pmORD - BNA
Nonstop1h 37mMultiple Airlines
mar. 12/1711:45 amBNA - ORD
1 stop8h 30mMultiple Airlines
Deal found 11/19$130
This United Airlines deal was found by Cheapflights users on 11/19. 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.
mar. 12/107:50 pmORD - SDF
Nonstop1h 36mUnited Airlines
mié. 12/1111:10 amSDF - ORD
Nonstop1h 38mUnited Airlines
Deal found 11/19$137
This CheapOair deal was found by Cheapflights users on 11/19. 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.
lun. 12/95:02 pmSTL - CVG
1 stop16h 18mFrontier
mié. 12/118:00 amCVG - STL
1 stop16h 24mFrontier
Deal found 11/19$138
This Southwest deal was found by Cheapflights users on 11/19. 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.
mar. 12/177:30 pmMDW - SDF
Nonstop1h 10mSouthwest
mar. 12/241:55 pmSDF - MDW
Nonstop1h 15mSouthwest
Deal found 11/19$138
This CheapOair deal was found by Cheapflights users on 11/19. 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.
sáb. 12/76:46 pmSTL - BNA
1 stop19h 08mMultiple Airlines
lun. 12/92:35 pmBNA - STL
1 stop4h 06mMultiple Airlines
Deal found 11/19$151
This Mytrip deal was found by Cheapflights users on 11/19. 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.
mar. 12/179:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
mar. 12/242:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Deal found 11/19$153
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/223:14 pmMDW - TYS
Nonstop1h 27mAllegiant Air
lun. 11/251:50 pmTYS - MDW
Nonstop1h 34mAllegiant Air
Deal found 11/19$153

Find flights from Illinois to Kentucky within your budget

Customize your flight search to find flights from Illinois to Kentucky 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

mié. 12/25

2:45 pm-4:22 pm

Nonstop1h 37m

Nashville Intl

lun. 12/30

1:30 pm-3:23 pm

Nonstop1h 53m

$60

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

dom. 12/15

7:50 pm-9:36 pm

Nonstop1h 46m

Nashville Intl

lun. 12/16

5:30 am-7:24 am

Nonstop1h 54m

$97

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

mié. 12/11

7:30 pm-9:00 pm

Nonstop1h 30m

Nashville Intl

sáb. 12/14

4:15 pm-5:50 pm

Nonstop1h 35m

$98

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

jue. 12/12

7:25 am-9:11 am

Nonstop1h 46m

Nashville Intl

jue. 12/19

6:00 am-8:05 am

Nonstop2h 05m

$117

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

mar. 12/10

11:25 am-12:55 pm

Nonstop1h 30m

Nashville Intl

mar. 12/10

8:10 pm-10:00 pm

Nonstop1h 50m

$118

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

vie. 1/24

7:15 am-1:44 pm

1 stop6h 29m

Nashville Intl

dom. 1/26

5:43 pm-12:17 am

1 stop6h 34m

$126

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

lun. 1/13

5:05 am-11:39 am

1 stop6h 34m

Nashville Intl

jue. 1/16

5:46 pm-7:44 pm

Nonstop1h 58m

$127

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

mar. 12/10

7:50 pm-10:26 pm

Nonstop1h 36m

Louisville Intl

mié. 12/11

11:10 am-11:48 am

Nonstop1h 38m

$137

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

lun. 12/9

5:02 pm-10:20 am

1 stop16h 18m

Cincinnati Cinci./N. Kentucky

mié. 12/11

8:00 am-11:24 pm

1 stop16h 24m

$138

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

mar. 12/17

7:30 pm-9:40 pm

Nonstop1h 10m

Louisville Intl

mar. 12/24

1:55 pm-2:10 pm

Nonstop1h 15m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Illinois 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 Illinois to Kentucky

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Kentucky (average of $298). Flying from Illinois to Kentucky in April is currently the most expensive (average of $370). 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 IL to KY?

Find hourly flight availability from Illinois to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

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

Weekly flight availability from Illinois to Kentucky

Explore weekly flight availability from Illinois to Kentucky. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 20, 2024.

The most flights from USIL to USKY are scheduled on a Tuesday (33 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Kentucky by month

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

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

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

If weather is an important factor for your trip to Kentucky, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated noviembre 20, 2024.
Peruse reviews from past customers who have flown with Frontier, Southwest and Spirit Airlines from Illinois to Kentucky to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

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

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

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

Allegiant Air
7.4
Good
850 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

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

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

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 Illinois to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $45 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $49 and $49, respectively.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Kentucky (average of $298). Flying from Illinois to Kentucky in April is currently the most expensive (average of $370). 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 Illinois to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Kentucky

Discover the top 4 airlines that operate flights from Illinois to Kentucky. 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
ContourCheapest$104Average$140FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$105Average$295FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$118Average$532FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$119Average$277FlexibilityNo cancel feeOn-time71%
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