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Lexington

$90+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/312:33 pmORD - LEX
Nonstop1h 32mUnited Airlines
Thu 1/15:48 pmLEX - ORD
Nonstop1h 55mUnited Airlines
Deal found 12/17$215
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/241:35 pmORD - LEX
Nonstop1h 24mAmerican Airlines
Thu 1/18:04 amLEX - ORD
Nonstop1h 40mAmerican Airlines
Deal found 12/17$217
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/315:28 pmORD - LEX
1 stop23h 05mAmerican Airlines
Thu 1/16:55 pmLEX - ORD
Nonstop1h 46mAmerican Airlines
Deal found 12/17$219
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/252:33 pmORD - LEX
Nonstop1h 32mUnited Airlines
Sun 12/286:00 amLEX - ORD
Nonstop1h 55mUnited Airlines
Deal found 12/17$247
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/294:00 pmORD - LEX
Nonstop1h 25mAmerican Airlines
Mon 1/56:55 pmLEX - ORD
Nonstop1h 46mAmerican Airlines
Deal found 12/16$249
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/295:00 amORD - LEX
1 stop4h 30mAmerican Airlines
Thu 1/16:55 pmLEX - ORD
Nonstop1h 46mAmerican Airlines
Deal found 12/16$259
This Delta deal was found by Cheapflights users on 12/16. 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 12/315:55 pmSTL - LEX
1 stop4h 12mDelta
Sun 1/45:37 pmLEX - STL
1 stop4h 10mDelta
Deal found 12/16$259
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2910:35 amORD - LEX
Nonstop1h 41mUnited Airlines
Sat 1/31:57 pmLEX - ORD
Nonstop1h 57mUnited Airlines
Deal found 12/16$265
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:02 pmORD - LEX
1 stop4h 05mDelta
Mon 12/297:43 pmLEX - ORD
1 stop5h 19mDelta
Deal found 12/17$267
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/262:33 pmORD - LEX
Nonstop1h 32mUnited Airlines
Mon 12/296:00 amLEX - ORD
Nonstop1h 55mUnited Airlines
Deal found 12/17$279
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/232:33 pmORD - LEX
Nonstop1h 32mUnited Airlines
Sat 12/275:48 pmLEX - ORD
Nonstop1h 55mUnited Airlines
Deal found 12/17$282
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/286:20 pmORD - LEX
Nonstop1h 44mUnited Airlines
Sat 1/31:57 pmLEX - ORD
Nonstop1h 57mUnited Airlines
Deal found 12/16$285

Find flight deals from Illinois to Lexington

Keep the following information in mind while searching for Illinois to Lexington flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$90
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$303

Good round-trip deal

$264 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Chicago (CHI)-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Lexington Blue Grass flights.
Search Deals
From Illinois to Lexington Blue Grass
Search Deals
One-way flight from Illinois to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Lexington Blue Grass.
Search Deals
Price to beat on a one-way flight from Illinois to Lexington Blue Grass.
Search Deals

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 December 18, 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

Sun 1/18

2:15 pm-4:48 pm

Nonstop1h 33m

Lexington Blue Grass

Sat 1/24

10:30 am-11:25 am

Nonstop1h 55m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 1/8

8:54 pm-11:23 pm

Nonstop1h 29m

Lexington Blue Grass

Sun 1/11

8:00 am-8:47 am

Nonstop1h 47m

$190

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 3/12

9:20 pm-11:44 pm

Nonstop1h 24m

Lexington Blue Grass

Sun 3/15

1:56 pm-2:42 pm

Nonstop1h 46m

$202

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

Tue 1/6

6:45 am-1:30 pm

1 stop5h 45m

Lexington Blue Grass

Tue 1/13

5:18 pm-10:07 pm

1 stop5h 49m

$209

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Tue 1/6

7:05 am-1:30 pm

1 stop5h 25m

Lexington Blue Grass

Tue 1/13

2:17 pm-7:35 pm

1 stop6h 18m

$209

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 12/24

1:35 pm-3:59 pm

Nonstop1h 24m

Lexington Blue Grass

Thu 1/1

8:04 am-8:44 am

Nonstop1h 40m

$217

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 1/8

8:27 pm-8:40 pm

1 stop23h 13m

Lexington Blue Grass

Sun 1/11

11:51 am-11:22 am

1 stop24h 31m

$226

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 1/9

8:12 am-3:37 pm

1 stop6h 25m

Lexington Blue Grass

Sun 1/11

8:00 am-8:47 am

Nonstop1h 47m

$244

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 12/25

2:33 pm-5:05 pm

Nonstop1h 32m

Lexington Blue Grass

Sun 12/28

6:00 am-6:55 am

Nonstop1h 55m

$247

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Wed 12/24

1:35 pm-3:59 pm

Nonstop1h 24m

Lexington Blue Grass

Sat 12/27

6:55 pm-7:41 pm

Nonstop1h 46m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 49 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, June is the cheapest month in which you can book a flight from Illinois to Lexington (average of $90). Flying from Illinois to Lexington in January is currently the most expensive (average of $203). 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 December 18, 2025.

When flying from Illinois to Lexington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 40% versus a flight at noon.

What is the cheapest day to fly from Illinois to Lexington?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Lexington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Lexington flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 United Airlines, American Airlines, and Delta fly from Illinois to Lexington in about 1h 29m. The time it takes to get you to your destination can typically vary by up to 4h 16m. 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 Moline Quad-City - 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 United Airlines (72%), GoJet (70%) and Air Canada (67%).

  • 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 $299 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, June is the cheapest month in which you can book a flight from Illinois to Lexington (average of $90). Flying from Illinois to Lexington in January is currently the most expensive (average of $203). 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
Somerset
Berea
Georgetown
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$265FlexibilityNo cancel feeOn-time71%

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