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$111+ Cheap flights from Lexington (LEX) 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Lexington to Illinois

Keep the following information in mind while searching for Lexington to Illinois flight deals. Data was last updated September 11, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$111
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$234

Good round-trip deal

$294 or less

Good one-way deal

$236 or less
From Lexington Blue Grass to Illinois
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One-way flight from Lexington Blue Grass to Illinois
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Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 Lexington Blue Grass to Illinois.
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Price to beat on a one-way flight from Lexington Blue Grass to Illinois.
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Find flight deals from Lexington to Illinois

Cheapest flights from Lexington to Illinois
Explore the most affordable flight options available from Lexington to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1110:37 amLEX - ORD
Nonstop1h 44mUnited Airlines
Sat 10/182:47 pmORD - LEX
Nonstop1h 33mUnited Airlines
Deal found 9/11$189
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/211:09 amLEX - ORD
Nonstop1h 38mAmerican Airlines
Mon 10/68:45 pmORD - LEX
Nonstop1h 36mAmerican Airlines
Deal found 9/9$190
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/97:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Mon 10/139:25 pmORD - LEX
Nonstop1h 34mUnited Airlines
Deal found 9/9$194
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/267:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Mon 9/291:15 pmORD - LEX
Nonstop1h 33mUnited Airlines
Deal found 9/11$199
This Delta deal was found by Cheapflights users on 9/11. 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 11/225:35 pmLEX - MDW
1 stop6h 57mDelta
Mon 11/245:34 pmMDW - LEX
1 stop5h 30mDelta
Deal found 9/11$209
This Delta deal was found by Cheapflights users on 9/11. 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 11/17:45 amLEX - ORD
1 stop5h 55mDelta
Tue 11/44:15 pmORD - LEX
1 stop6h 50mDelta
Deal found 9/11$209
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/17:33 pmLEX - ORD
Nonstop1h 52mUnited Airlines
Sat 10/411:03 amORD - LEX
Nonstop1h 31mUnited Airlines
Deal found 9/9$210
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/25:55 amLEX - ORD
Nonstop1h 36mAmerican Airlines
Sun 10/58:10 amORD - LEX
Nonstop1h 29mAmerican Airlines
Deal found 9/10$219
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/246:50 amLEX - ORD
Nonstop1h 39mAmerican Airlines
Tue 10/288:17 amORD - LEX
Nonstop1h 25mAmerican Airlines
Deal found 9/11$222
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/166:34 pmLEX - ORD
Nonstop1h 44mAmerican Airlines
Tue 9/238:10 amORD - LEX
Nonstop1h 29mAmerican Airlines
Deal found 9/9$224
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/115:59 pmLEX - ORD
1 stop4h 25mAmerican Airlines
Sat 10/188:17 amORD - LEX
Nonstop1h 25mAmerican Airlines
Deal found 9/11$229
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/82:10 pmLEX - STL
1 stop5h 07mUnited Airlines
Wed 10/158:00 amSTL - LEX
1 stop6h 48mUnited Airlines
Deal found 9/10$229

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Lexington to Illinois that are best for you.

Fly from

Lexington

Fly to

Illinois

Route

Depart

Return

Price

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sat 11/1

6:50 am-7:29 am

Nonstop1h 39m

Chicago O'Hare Intl

Sun 11/2

8:01 am-10:33 am

Nonstop1h 32m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Wed 10/8

7:33 pm-8:25 pm

Nonstop1h 52m

Chicago O'Hare Intl

Wed 10/15

1:15 pm-3:48 pm

Nonstop1h 33m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Tue 10/7

7:05 am-7:49 am

Nonstop1h 44m

Chicago O'Hare Intl

Tue 10/14

9:25 pm-11:59 pm

Nonstop1h 34m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Fri 10/31

7:46 am-8:25 am

Nonstop1h 39m

Chicago O'Hare Intl

Sun 11/2

8:01 am-10:33 am

Nonstop1h 32m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Tue 10/21

6:50 am-7:29 am

Nonstop1h 39m

Chicago O'Hare Intl

Tue 2/24

1:10 pm-3:35 pm

Nonstop1h 25m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sat 10/11

7:33 pm-8:25 pm

Nonstop1h 52m

Chicago O'Hare Intl

Mon 10/13

9:25 pm-11:59 pm

Nonstop1h 34m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Fri 10/24

7:33 pm-8:25 pm

Nonstop1h 52m

Chicago O'Hare Intl

Thu 10/30

2:40 pm-5:10 pm

Nonstop1h 30m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Thu 10/23

6:50 am-7:29 am

Nonstop1h 39m

Chicago O'Hare Intl

Sun 10/26

8:17 am-10:42 am

Nonstop1h 25m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Fri 10/31

7:05 am-7:54 am

Nonstop1h 49m

Chicago O'Hare Intl

Sun 11/2

10:45 am-1:17 pm

Nonstop1h 32m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sat 10/11

10:37 am-11:21 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 10/18

2:47 pm-5:20 pm

Nonstop1h 33m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 55 results
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Best time to book a flight from Lexington to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Lexington to Illinois (average of $245). Flying from Lexington to Illinois in March is currently the most expensive (average of $321). 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 LEX to IL?

Find hourly flight availability from Lexington 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 September 11, 2025.

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

Weekly flight availability from Lexington to Illinois

Explore weekly flight availability from Lexington to Illinois. 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 11, 2025.

The most flights from LEX to USIL are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

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

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 September 11, 2025.
Read through reviews of airlines operating flights from Lexington to Illinois, such as United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Lexington to Illinois. 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 from for flights from Lexington to Illinois?

    Most people fly from Lexington Blue Grass (LEX) if they book a flight from Lexington to Illinois. Lexington Blue Grass is conveniently located just 5.6 mi from Lexington’s city center.

  • How long is the flight from Lexington to Illinois?

    Airlines like American Airlines, United Airlines, and Delta fly from Lexington to Illinois in about 1h 39m. The time it takes to get you to your destination can typically vary by up to 5h 18m. There are 323 mi between Lexington and Illinois. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $192. However, be on the lookout for offers from Allegiant Air and United Airlines, as they are both options that can get you from Lexington to Illinois for a low price.

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

    Most travelers choose Lexington Blue Grass - Chicago O'Hare Intl, Lexington Blue Grass - Chicago Midway or Lexington Blue Grass - Lambert-St Louis when deciding on the best route from Lexington to Illinois.

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

    Consider Avianca (90%), ANA (90%) or United Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Lexington to Illinois.

  • What are the cheapest flights from Lexington to Illinois?

    While on average a flight from Lexington to Illinois is generally $981, our data shows the cheapest flight currently is $171. When looking at the most popular route, (Lexington Blue Grass - Chicago O'Hare Intl), you can expect to pay $189 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lexington 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.

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

    Currently, August is the cheapest month in which you can book a flight from Lexington to Illinois (average of $245). Flying from Lexington to Illinois in March is currently the most expensive (average of $321). 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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Top 2 airlines flying from Lexington to Illinois

Discover the top 2 airlines that operate flights from Lexington 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$331FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$266FlexibilityNo cancel feeOn-time71%

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