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Lexington

$109+ Cheap flights from Illinois to Lexington (LEX)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Lexington

Keep the following information in mind while searching for Illinois to Lexington flight deals. Data was last updated September 15, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$109
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$284

Good round-trip deal

$224 or less

Good one-way deal

$218 or less
From Illinois to Lexington Blue Grass
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One-way flight from Illinois to Lexington Blue Grass
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Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Lexington Blue Grass.
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Price to beat on a one-way flight from Illinois to Lexington Blue Grass.
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Find flight deals from Illinois to Lexington

Cheapest flights from Illinois to Lexington
Explore the most affordable flight options available from Illinois to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/108:45 pmORD - LEX
Nonstop1h 36mAmerican Airlines
Mon 10/137:19 pmLEX - ORD
Nonstop1h 43mAmerican Airlines
Deal found 9/14$189
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/298:45 pmORD - LEX
Nonstop1h 36mAmerican Airlines
Wed 11/56:40 amLEX - ORD
Nonstop1h 44mAmerican Airlines
Deal found 9/14$191
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/86:15 pmORD - LEX
Nonstop1h 46mUnited Airlines
Sun 10/127:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Deal found 9/13$193
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/106:15 pmORD - LEX
Nonstop1h 46mUnited Airlines
Sun 10/127:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Deal found 9/15$194
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/302:47 pmORD - LEX
Nonstop1h 33mUnited Airlines
Sat 10/47:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Deal found 9/14$199
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/228:44 pmORD - LEX
1 stop19h 45mAmerican Airlines
Thu 10/237:19 pmLEX - ORD
Nonstop1h 43mAmerican Airlines
Deal found 9/15$203
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/78:44 pmORD - LEX
1 stop19h 07mAmerican Airlines
Wed 10/87:19 pmLEX - ORD
Nonstop1h 43mAmerican Airlines
Deal found 9/15$218
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:50 amORD - LEX
1 stop4h 07mDelta
Sat 10/45:48 pmLEX - ORD
1 stop4h 46mDelta
Deal found 9/14$219
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/28:10 amORD - LEX
Nonstop1h 29mAmerican Airlines
Sat 10/117:19 pmLEX - ORD
Nonstop1h 43mAmerican Airlines
Deal found 9/15$221
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/56:35 pmORD - LEX
1 stop19h 31mAmerican Airlines
Thu 11/66:58 pmLEX - ORD
Nonstop1h 51mAmerican Airlines
Deal found 9/15$222
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:05 amSTL - LEX
1 stop6h 47mDelta
Sat 11/226:00 amLEX - STL
1 stop5h 23mDelta
Deal found 9/12$229
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:10 amSTL - LEX
1 stop4h 05mDelta
Wed 10/87:45 amLEX - STL
1 stop6h 37mDelta
Deal found 9/14$234

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Lexington 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Illinois to Lexington that are best for you.

Fly from

Illinois

Fly to

Lexington

Route

Depart

Return

Price

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 11/14

8:01 am-10:33 am

Nonstop1h 32m

Lexington Blue Grass

Mon 11/17

6:58 pm-7:49 pm

Nonstop1h 51m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 10/15

8:17 am-10:42 am

Nonstop1h 25m

Lexington Blue Grass

Mon 10/20

7:19 pm-8:02 pm

Nonstop1h 43m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 11/21

8:41 pm-11:21 pm

Nonstop1h 40m

Lexington Blue Grass

Sun 11/23

6:58 pm-7:49 pm

Nonstop1h 51m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 11/19

8:01 am-10:33 am

Nonstop1h 32m

Lexington Blue Grass

Sun 11/23

6:00 am-6:44 am

Nonstop1h 44m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 10/8

6:15 pm-9:01 pm

Nonstop1h 46m

Lexington Blue Grass

Sun 10/12

7:33 pm-8:25 pm

Nonstop1h 52m

$193

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Tue 9/30

2:47 pm-5:20 pm

Nonstop1h 33m

Lexington Blue Grass

Sat 10/4

7:33 pm-8:25 pm

Nonstop1h 52m

$199

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 10/22

8:44 pm-5:29 pm

1 stop19h 45m

Lexington Blue Grass

Thu 10/23

7:19 pm-8:02 pm

Nonstop1h 43m

$203

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 10/10

6:15 pm-9:01 pm

Nonstop1h 46m

Lexington Blue Grass

Sun 10/12

7:33 pm-8:25 pm

Nonstop1h 52m

$210

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Tue 9/30

9:50 am-2:57 pm

1 stop4h 07m

Lexington Blue Grass

Sat 10/4

5:48 pm-9:34 pm

1 stop4h 46m

$219

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 11/5

6:35 pm-3:06 pm

1 stop19h 31m

Lexington Blue Grass

Thu 11/6

6:58 pm-7:49 pm

Nonstop1h 51m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 50 results
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Best time to book a flight from Illinois to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Lexington

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Lexington (average of $303). Flying from Illinois to Lexington in April is currently the most expensive (average of $390). 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 LEX?

Find hourly flight availability from Illinois to Lexington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Weekly flight availability from Illinois to Lexington

Explore weekly flight availability from Illinois to Lexington. 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 September 15, 2025.

The most flights from USIL to LEX are scheduled on a Monday (27 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Illinois to Lexington?

Related info for your journey

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

  • What airport do you fly into for flights to Lexington from Illinois?

    Lexington Blue Grass (LEX) is the airport you will fly into if you book a flight from Illinois to Lexington. It is only a 5.6 mi journey from Blue Grass (LEX) to Lexington’s city center.

  • How long is the flight from Illinois to Lexington?

    Airlines like American Airlines, Delta, and United Airlines fly from Illinois to Lexington in about 1h 32m. The time it takes to get you to your destination can typically vary by up to 5h 15m. The distance between Illinois and Lexington is about 323 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Lexington?

    The most popular flight routes from Illinois to Lexington are Chicago O'Hare Intl - Lexington Blue Grass, Chicago Midway - Lexington Blue Grass and Lambert-St Louis - Lexington Blue Grass.

  • What are the most reliable airlines from Illinois to Lexington?

    The top 3 most reliable airlines when flying from Illinois to Lexington are GoJet (83%), United Airlines (72%) and Air New Zealand (69%).

  • What are the cheapest flights from Illinois to Lexington?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Chicago O'Hare Intl - Lexington Blue Grass) can be booked for $189 on average, our data indicates $269 when flying from Illinois to Lexington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Lexington 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 Lexington?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Lexington (average of $303). Flying from Illinois to Lexington in April is currently the most expensive (average of $390). 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

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Georgetown
Berea
Frankfort

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Alternative routes for Illinois to Lexington

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Top 2 airlines flying from Illinois to Lexington

Discover the top 2 airlines that operate flights from Illinois to Lexington. 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$359FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$269FlexibilityNo cancel feeOn-time71%

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