HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$100+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
dic 3 — dic 101
mer 12/3
mer 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Lexington 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.

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 novembre 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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.
sab 12/134:42 pmORD - LEX
Nonstop1h 30mAmerican Airlines
lun 12/156:58 pmLEX - ORD
Nonstop1h 52mAmerican Airlines
Deal found 11/1$189
This American Airlines deal was found by Cheapflights users on 11/1. 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.
ven 11/218:05 amORD - LEX
Nonstop1h 32mAmerican Airlines
lun 11/246:00 amLEX - ORD
Nonstop1h 44mAmerican Airlines
Deal found 11/1$204
This Delta deal was found by Cheapflights users on 10/30. 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.
mar 11/256:45 amORD - LEX
1 stop7h 10mDelta
lun 12/17:45 amLEX - ORD
1 stop7h 10mDelta
Deal found 10/30$209
This United Airlines deal was found by Cheapflights users on 10/30. 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.
gio 11/1310:45 amORD - LEX
Nonstop1h 32mUnited Airlines
sab 11/1510:40 amLEX - ORD
Nonstop1h 41mUnited Airlines
Deal found 10/30$219
This American Airlines deal was found by Cheapflights users on 11/1. 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.
sab 11/223:56 pmORD - LEX
Nonstop1h 29mAmerican Airlines
mar 11/256:00 amLEX - ORD
Nonstop1h 44mAmerican Airlines
Deal found 11/1$223
This Delta deal was found by Cheapflights users on 10/31. 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.
ven 12/121:14 pmMDW - LEX
1 stop3h 07mDelta
dom 12/147:59 pmLEX - MDW
1 stop4h 48mDelta
Deal found 10/31$224
This Delta deal was found by Cheapflights users on 11/1. 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.
lun 11/174:26 pmORD - LEX
1 stop4h 05mDelta
sab 11/227:45 amLEX - ORD
1 stop7h 10mDelta
Deal found 11/1$224
This Delta deal was found by Cheapflights users on 11/2. 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.
gio 12/411:40 amSTL - LEX
1 stop3h 48mDelta
dom 12/77:59 pmLEX - STL
1 stop4h 43mDelta
Deal found 11/2$229
This American Airlines deal was found by Cheapflights users on 11/1. 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.
ven 12/128:35 pmORD - LEX
Nonstop1h 39mAmerican Airlines
dom 12/148:09 pmLEX - ORD
1 stop4h 37mAmerican Airlines
Deal found 11/1$232
This Delta deal was found by Cheapflights users on 10/31. 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.
ven 12/125:59 pmORD - LEX
1 stop5h 09mDelta
dom 12/147:59 pmLEX - ORD
1 stop5h 02mDelta
Deal found 10/31$242
This American Airlines deal was found by Cheapflights users on 10/31. 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.
ven 11/218:05 amORD - LEX
Nonstop1h 32mAmerican Airlines
dom 11/238:10 pmLEX - ORD
1 stop4h 30mAmerican Airlines
Deal found 10/31$243
This American Airlines deal was found by Cheapflights users on 11/2. 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.
ven 11/148:01 amORD - LEX
Nonstop1h 32mAmerican Airlines
lun 11/176:00 amLEX - ORD
Nonstop1h 44mAmerican Airlines
Deal found 11/2$249

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 novembre 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(American Airlines)

One-way from

$100
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$315

Good round-trip deal

$219 or less

Good one-way deal

$304 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. 14% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 novembre 3, 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

gio 1/8

8:05 pm-10:40 pm

Nonstop1h 35m

Lexington Blue Grass

dom 1/11

5:32 pm-6:29 pm

Nonstop1h 57m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

gio 12/4

8:35 pm-11:14 pm

Nonstop1h 39m

Lexington Blue Grass

dom 12/7

6:58 pm-7:50 pm

Nonstop1h 52m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

mar 11/25

8:05 am-10:37 am

Nonstop1h 32m

Lexington Blue Grass

mar 12/2

6:58 pm-7:49 pm

Nonstop1h 51m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

ven 1/30

1:45 pm-4:14 pm

Nonstop1h 29m

Lexington Blue Grass

dom 2/1

4:58 pm-5:49 pm

Nonstop1h 51m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

gio 12/11

8:00 am-10:34 am

Nonstop1h 34m

Lexington Blue Grass

sab 12/13

8:02 pm-8:54 pm

Nonstop1h 52m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

ven 11/21

8:05 am-10:37 am

Nonstop1h 32m

Lexington Blue Grass

lun 11/24

6:00 am-6:44 am

Nonstop1h 44m

$204

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

ven 12/12

8:35 pm-11:14 pm

Nonstop1h 39m

Lexington Blue Grass

dom 12/14

6:00 am-6:39 am

Nonstop1h 39m

$204

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

mar 11/25

6:45 am-2:55 pm

1 stop7h 10m

Lexington Blue Grass

lun 12/1

7:45 am-1:55 pm

1 stop7h 10m

$209

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

sab 12/13

5:07 pm-10:50 pm

1 stop4h 43m

Lexington Blue Grass

lun 12/15

3:41 pm-9:56 pm

1 stop7h 15m

$209

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

ven 11/21

6:45 am-2:55 pm

1 stop7h 10m

Lexington Blue Grass

dom 11/23

6:00 am-10:19 am

1 stop5h 19m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 43 results
1
2
3
...
5

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 July is currently the most expensive (average of $189). 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 novembre 3, 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 38% 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 November 3, 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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 novembre 3, 2025.

The most flights from USIL to LEX are scheduled on a Sunday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 United Airlines, American Airlines, and Delta fly from Illinois to Lexington in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 1h 32m. The distance between Illinois and Lexington is about 323 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $161 on Allegiant Air. Other airlines that offer cheap prices include Delta from $228 and United Airlines from $300 one-way.

  • 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 Avianca (85%), Emirates (85%) and GoJet (84%).

  • 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 $303 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 July is currently the most expensive (average of $189). 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

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 Illinois to Lexington

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
LaGuardia to Nashville flights
Newark to Nashville flights
Los Angeles to Nashville flights
O'Hare Intl to Nashville flights
Boston to Nashville flights
Seattle to Nashville flights
Reagan-National to Nashville flights
Dulles Intl to Nashville flights
John F Kennedy Intl to Cincinnati flights
LaGuardia to Cincinnati flights
Baltimore to Nashville flights
Dallas/Fort Worth to Nashville flights
Philadelphia to Nashville flights
Denver to Nashville flights
San Francisco to Nashville flights
Newark to Cincinnati flights
Minneapolis to Nashville flights
Hobby to Nashville flights
Raleigh to Nashville flights
Ontario to Nashville flights
Fort Lauderdale to Nashville flights
LaGuardia to Knoxville flights
Dallas/Fort Worth to Cincinnati flights
Denver to Cincinnati flights
LaGuardia to Louisville flights
George Bush Intcntl to Nashville flights
Detroit to Nashville flights
Orlando to Nashville flights
Santa Ana to Nashville flights
Tampa to Nashville flights
Midway to Nashville flights
Austin to Nashville flights
Dallas/Fort Worth to Knoxville flights
John F Kennedy Intl to Knoxville flights
Hartford to Nashville flights
Newark to Louisville flights
Los Angeles to Cincinnati flights
Sky Harbor Intl to Nashville flights
Boston to Cincinnati flights
Salt Lake City to Nashville flights
John F Kennedy Intl to Louisville flights
Newark to Knoxville flights
O'Hare Intl to Knoxville flights
Burbank to Nashville flights
Sky Harbor Intl to Cincinnati flights
Los Angeles to Knoxville flights
Dallas/Fort Worth to Louisville flights
San Diego to Nashville flights
Atlanta to Cincinnati flights

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 novembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$360FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$268FlexibilityNo cancel feeOn-time71%

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.