HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$154+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(Mytrip)

One-way from

$154
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$278

Good round-trip deal

$330 or less

Good one-way deal

$265 or less
Provider with most accurate pricing for Lexington Blue Grass-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Chicago (CHI) flights.
Search Deals
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. 16% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Tue 5/2712:19 pmLEX - ORD
1 stop21h 31mMultiple Airlines
Thu 5/296:30 amORD - LEX
1 stop24h 48mMultiple Airlines
Deal found 4/30$208
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 6/118:06 amLEX - MDW
1 stop5h 23mDelta
Wed 8/271:00 pmMDW - LEX
1 stop3h 07mDelta
Deal found 4/29$209
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/225:49 pmLEX - ORD
1 stop3h 32mDelta
Sun 5/257:10 amORD - LEX
1 stop3h 08mDelta
Deal found 4/29$209
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/156:48 pmLEX - ORD
Nonstop1h 35mAmerican Airlines
Sat 6/218:45 pmORD - LEX
Nonstop1h 43mAmerican Airlines
Deal found 4/29$217
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/232:17 pmLEX - STL
1 stop6h 12mAmerican Airlines
Mon 5/265:12 amSTL - LEX
1 stop4h 16mAmerican Airlines
Deal found 4/30$229
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:59 pmLEX - STL
1 stop4h 39mDelta
Mon 5/197:06 pmSTL - LEX
1 stop3h 45mDelta
Deal found 4/30$239
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:10 pmLEX - ORD
Nonstop1h 45mUnited Airlines
Tue 5/202:58 pmORD - LEX
Nonstop1h 31mUnited Airlines
Deal found 4/29$254
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 6/119:13 pmLEX - RFD
1 stop13h 39mAllegiant Air
Wed 8/276:03 pmRFD - LEX
1 stop24h 34mAllegiant Air
Deal found 4/29$278
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 7/287:13 pmLEX - MLI
1 stop5h 23mAmerican Airlines
Thu 7/314:19 pmMLI - LEX
1 stop4h 33mAmerican Airlines
Deal found 4/30$419
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:58 pmLEX - MLI
1 stop5h 48mDelta
Thu 7/245:55 amMLI - LEX
1 stop5h 20mDelta
Deal found 4/30$558
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:05 amLEX - STL
1 stop4h 42mUnited Airlines
Tue 5/133:43 pmSTL - LEX
1 stop3h 47mUnited Airlines
Deal found 4/30$635

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 May 1, 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

Tue 5/27

12:19 pm-8:50 am

1 stop21h 31m

Chicago O'Hare Intl

Thu 5/29

6:30 am-8:18 am

1 stop24h 48m

$208

LexingtonChicago

LEX - MDW

LEXMDW

Lexington Blue Grass

Wed 6/11

8:06 am-12:29 pm

1 stop5h 23m

Chicago Midway

Wed 8/27

1:00 pm-5:07 pm

1 stop3h 07m

$209

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Thu 5/22

5:49 pm-8:21 pm

1 stop3h 32m

Chicago O'Hare Intl

Sun 5/25

7:10 am-11:18 am

1 stop3h 08m

$209

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sun 6/15

6:48 pm-7:23 pm

Nonstop1h 35m

Chicago O'Hare Intl

Sat 6/21

8:45 pm-11:28 pm

Nonstop1h 43m

$217

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 5/23

2:17 pm-7:29 pm

1 stop6h 12m

Lambert-St Louis

Mon 5/26

5:12 am-10:28 am

1 stop4h 16m

$229

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 5/15

7:59 pm-11:38 pm

1 stop4h 39m

Lambert-St Louis

Mon 5/19

7:06 pm-11:51 pm

1 stop3h 45m

$239

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Tue 5/13

6:10 pm-6:55 pm

Nonstop1h 45m

Chicago O'Hare Intl

Tue 5/20

2:58 pm-5:29 pm

Nonstop1h 31m

$254

LexingtonChicago

LEX - RFD

LEXRFD

Lexington Blue Grass

Wed 6/11

9:13 pm-9:52 am

1 stop13h 39m

Chicago Greater Rockford

Wed 8/27

6:03 pm-7:37 pm

1 stop24h 34m

$278

LexingtonMoline

LEX - MLI

LEXMLI

Lexington Blue Grass

Mon 7/28

7:13 pm-11:36 pm

1 stop5h 23m

Moline Quad-City

Thu 7/31

4:19 pm-9:52 pm

1 stop4h 33m

$419

LexingtonMoline

LEX - MLI

LEXMLI

Lexington Blue Grass

Mon 7/21

5:58 pm-10:46 pm

1 stop5h 48m

Moline Quad-City

Thu 7/24

5:55 am-12:15 pm

1 stop5h 20m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 2025.

The most flights from LEX to USIL are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Lexington to Illinois by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Allegiant Air, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from United Airlines and Delta, 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 ANA (85%), SkyWest Airlines (85%) or Envoy Air (85%) 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 $1,347, our data shows the cheapest flight currently is $128. 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 Seattle flights
Nashville to Seattle flights
Cincinnati to Las Vegas flights
Cincinnati to Orlando flights
Cincinnati to John F Kennedy Intl flights
Cincinnati to Dallas/Fort Worth flights
Nashville to John F Kennedy Intl flights
Cincinnati to Denver flights
Nashville to Newark flights
Nashville to Los Angeles flights
Cincinnati to Boston flights
Nashville to LaGuardia flights
Nashville to Denver flights
Cincinnati to Newark flights
Cincinnati to Hobby flights
Nashville to Las Vegas flights
Cincinnati to LaGuardia flights
Nashville to Fort Lauderdale flights
Nashville to Dallas/Fort Worth flights
Cincinnati to Tampa flights
Cincinnati to Fort Myers flights
Cincinnati to Miami flights
Cincinnati to George Bush Intcntl flights
Cincinnati to Fort Lauderdale flights
Nashville to Orlando flights
Nashville to Boston flights
Nashville to San Francisco flights
Cincinnati to Los Angeles flights
Cincinnati to Reagan-National flights
Nashville to Miami flights
Nashville to O'Hare Intl flights
Cincinnati to O'Hare Intl flights
Nashville to Reagan-National flights
Louisville to Boston flights
Cincinnati to Sky Harbor Intl flights
Knoxville to Denver flights
Louisville to Las Vegas flights
Louisville to LaGuardia flights
Nashville to Honolulu flights
Nashville to Baltimore flights
Cincinnati to Dulles Intl flights
Nashville to Sky Harbor Intl flights
Nashville to Dulles Intl flights
Louisville to Seattle flights
Nashville to Hobby flights
Louisville to Orlando flights
Cincinnati to Charlotte flights
Cincinnati to Honolulu flights
Cincinnati to Atlanta flights
Cincinnati to Philadelphia 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$173Average$279FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$336FlexibilityNo 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.