HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$131+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ORD
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lexington to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 30, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$131
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$284

Good round-trip deal

$322 or less

Good one-way deal

$249 or less
From Lexington Blue Grass to Illinois
Search Deals
One-way flight from Lexington Blue Grass to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Lexington Blue Grass to Illinois.
Search Deals
Price to beat on a one-way flight from Lexington Blue Grass to Illinois.
Search Deals

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 julio 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 8/2111:44 amLEX - ORD
Nonstop1h 36mAmerican Airlines
dom. 8/248:44 amORD - LEX
Nonstop1h 27mAmerican Airlines
Deal found 7/30$189
This Delta deal was found by Cheapflights users on 7/28. 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.
jue. 8/2110:24 amLEX - MDW
1 stop3h 04mDelta
sáb. 8/236:04 amMDW - LEX
1 stop5h 14mDelta
Deal found 7/28$209
This Delta deal was found by Cheapflights users on 7/28. 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.
mar. 12/235:42 pmLEX - ORD
1 stop7h 16mDelta
mar. 1/137:10 amORD - LEX
1 stop6h 19mDelta
Deal found 7/28$209
This American Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 8/274:04 pmLEX - STL
1 stop5h 43mAmerican Airlines
mié. 9/33:59 pmSTL - LEX
1 stop7h 27mAmerican Airlines
Deal found 7/28$229
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/177:51 pmLEX - STL
1 stop4h 23mDelta
dom. 8/246:00 amSTL - LEX
1 stop5h 18mDelta
Deal found 7/29$234
This American Airlines deal was found by Cheapflights users on 7/30. 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.
vie. 8/157:22 pmLEX - MLI
1 stop4h 39mAmerican Airlines
mar. 8/196:04 amMLI - LEX
1 stop4h 07mAmerican Airlines
Deal found 7/30$239
This United Airlines deal was found by Cheapflights users on 7/28. 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. 12/231:58 pmLEX - ORD
Nonstop1h 57mUnited Airlines
dom. 1/119:10 pmORD - LEX
Nonstop1h 31mUnited Airlines
Deal found 7/28$249
This Mytrip deal was found by Cheapflights users on 7/30. 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.
jue. 8/147:47 pmLEX - ORD
1 stop14h 34mMultiple Airlines
sáb. 8/168:12 pmORD - LEX
2 stops19h 18mMultiple Airlines
Deal found 7/30$266
This United Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 7/305:44 pmLEX - STL
1 stop6h 01mUnited Airlines
dom. 8/35:30 pmSTL - LEX
1 stop5h 20mUnited Airlines
Deal found 7/28$418
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/25:07 pmLEX - STL
3 stops26h 34mMultiple Airlines
lun. 8/410:47 amSTL - LEX
3 stops23h 36mMultiple Airlines
Deal found 7/29$566
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/259:31 pmLEX - MDW
2 stops16h 50mAllegiant Air
dom. 11/304:24 pmMDW - LEX
2 stops19h 04mAllegiant Air
Deal found 7/29$902

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 julio 30, 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

jue. 8/21

11:44 am-12:20 pm

Nonstop1h 36m

Chicago O'Hare Intl

dom. 8/24

8:44 am-11:11 am

Nonstop1h 27m

$189

LexingtonChicago

LEX - MDW

LEXMDW

Lexington Blue Grass

jue. 8/21

10:24 am-12:28 pm

1 stop3h 04m

Chicago Midway

sáb. 8/23

6:04 am-12:18 pm

1 stop5h 14m

$209

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

mar. 12/23

5:42 pm-11:58 pm

1 stop7h 16m

Chicago O'Hare Intl

mar. 1/13

7:10 am-2:29 pm

1 stop6h 19m

$209

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

mié. 8/27

4:04 pm-8:47 pm

1 stop5h 43m

Lambert-St Louis

mié. 9/3

3:59 pm-12:26 am

1 stop7h 27m

$229

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

dom. 8/17

7:51 pm-11:14 pm

1 stop4h 23m

Lambert-St Louis

dom. 8/24

6:00 am-12:18 pm

1 stop5h 18m

$234

LexingtonMoline

LEX - MLI

LEXMLI

Lexington Blue Grass

vie. 8/15

7:22 pm-11:01 pm

1 stop4h 39m

Moline Quad-City

mar. 8/19

6:04 am-11:11 am

1 stop4h 07m

$239

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

mar. 12/23

1:58 pm-2:55 pm

Nonstop1h 57m

Chicago O'Hare Intl

dom. 1/11

9:10 pm-11:41 pm

Nonstop1h 31m

$249

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

jue. 8/14

7:47 pm-9:21 am

1 stop14h 34m

Chicago O'Hare Intl

sáb. 8/16

8:12 pm-4:30 pm

2 stops19h 18m

$266

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

vie. 9/12

5:48 pm-12:43 pm

2 stops19h 55m

Lambert-St Louis

lun. 9/15

5:30 pm-11:37 pm

1 stop5h 07m

$462

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

sáb. 8/2

5:07 pm-6:41 pm

3 stops26h 34m

Lambert-St Louis

lun. 8/4

10:47 am-11:23 am

3 stops23h 36m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 21 results
1
2
3

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 julio 30, 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 julio 30, 2025.

The most flights from LEX to USIL are scheduled on a Tuesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 julio 30, 2025.
Read through reviews of airlines operating flights from Lexington to Illinois, such as Delta, 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.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
703 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $169. However, be on the lookout for offers from American Airlines 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 (97%), ANA (87%) or GoJet (87%) 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 $968, our data shows the cheapest flight currently is $194. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lexington to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Orlando flights
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Las Vegas flights
Nashville to LaGuardia flights
Cincinnati to John F Kennedy Intl flights
Cincinnati to Denver flights
Cincinnati to Fort Lauderdale flights
Cincinnati to Miami flights
Nashville to O'Hare Intl flights
Cincinnati to LaGuardia flights
Nashville to Seattle flights
Cincinnati to Boston flights
Nashville to Denver flights
Cincinnati to Newark flights
Cincinnati to Seattle flights
Nashville to Hobby flights
Nashville to John F Kennedy Intl flights
Nashville to Boston flights
Nashville to Newark flights
Cincinnati to Sky Harbor Intl flights
Nashville to Las Vegas flights
Louisville to Las Vegas flights
Cincinnati to Atlanta flights
Louisville to LaGuardia flights
Nashville to Orlando flights
Cincinnati to Tampa flights
Louisville to Newark flights
Nashville to Fort Lauderdale flights
Cincinnati to Los Angeles flights
Nashville to Miami flights
Nashville to George Bush Intcntl flights
Cincinnati to Fort Myers flights
Cincinnati to O'Hare Intl flights
Nashville to Los Angeles flights
Louisville to Boston flights
Cincinnati to Orlando Sanford Intl flights
Louisville to Orlando flights
Nashville to San Francisco flights
Louisville to John F Kennedy Intl flights
Louisville to O'Hare Intl flights
Cincinnati to Minneapolis flights
Cincinnati to Hobby flights
Louisville to Miami flights
Knoxville to O'Hare Intl flights
Cincinnati to Philadelphia flights
Nashville to Dallas/Fort Worth flights
Nashville to Sky Harbor Intl flights
Louisville to Fort Lauderdale flights
Nashville to Reagan-National flights
Cincinnati to Love Field flights

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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$268FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$329FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.