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Lexington

$116+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
lip 22 — lip 291
śr. 7/22
śr. 7/29
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 Czerwiec 22, 2026.

This American Airlines deal was found by Cheapflights users on 6/20. 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.
pt. 11/63:52 pm
ORD
-
LEX
Nonstop1h 29m
American Airlines
ndz. 11/86:51 pm
LEX
-
ORD
Nonstop1h 51m
American Airlines
Deal found 6/20$249
This American Airlines deal was found by Cheapflights users on 6/19. 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.
pt. 7/106:47 pm
ORD
-
LEX
1 stop4h 12m
American Airlines
ndz. 7/125:35 am
LEX
-
ORD
Nonstop1h 35m
American Airlines
Deal found 6/19$258
This American Airlines deal was found by Cheapflights users on 6/21. 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.
pt. 7/2410:00 pm
ORD
-
LEX
Nonstop1h 25m
American Airlines
pon. 7/278:10 pm
LEX
-
ORD
1 stop4h 51m
American Airlines
Deal found 6/21$259
This United Airlines deal was found by Cheapflights users on 6/17. 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.
pt. 9/256:50 am
ORD
-
LEX
Nonstop1h 38m
United Airlines
ndz. 9/2710:20 am
LEX
-
ORD
Nonstop1h 48m
United Airlines
Deal found 6/17$264
This Delta deal was found by Cheapflights users on 6/22. 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.
sob. 8/296:05 am
MDW
-
LEX
1 stop5h 06m
Delta
ndz. 8/306:00 am
LEX
-
MDW
1 stop4h 59m
Delta
Deal found 6/22$269
This Delta deal was found by Cheapflights users on 6/19. 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.
czw. 8/136:40 am
ORD
-
LEX
1 stop7h 05m
Delta
ndz. 8/1610:52 am
LEX
-
ORD
1 stop6h 25m
Delta
Deal found 6/19$269
This United Airlines deal was found by Cheapflights users on 6/18. 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.
pt. 7/35:51 pm
ORD
-
LEX
Nonstop1h 37m
United Airlines
pon. 7/610:12 am
LEX
-
ORD
Nonstop1h 46m
United Airlines
Deal found 6/18$279
This Delta deal was found by Cheapflights users on 6/18. 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.
czw. 7/236:35 am
ORD
-
LEX
1 stop7h 07m
Delta
ndz. 7/267:35 am
LEX
-
ORD
1 stop6h 28m
Delta
Deal found 6/18$284
This United Airlines deal was found by Cheapflights users on 6/21. 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.
śr. 7/19:20 pm
ORD
-
LEX
Nonstop1h 39m
United Airlines
ndz. 7/57:00 am
LEX
-
ORD
Nonstop1h 52m
United Airlines
Deal found 6/21$287
This United Airlines deal was found by Cheapflights users on 6/19. 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.
pt. 7/246:30 pm
MLI
-
LEX
1 stop4h 29m
United Airlines
ndz. 7/267:00 am
LEX
-
MLI
1 stop4h 04m
United Airlines
Deal found 6/19$289
This American Airlines deal was found by Cheapflights users on 6/18. 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.
pt. 7/38:16 am
ORD
-
LEX
Nonstop1h 34m
American Airlines
pon. 7/610:48 am
LEX
-
ORD
1 stop6h 58m
American Airlines
Deal found 6/18$289
This American Airlines deal was found by Cheapflights users on 6/19. 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.
pt. 7/312:35 pm
STL
-
LEX
1 stop6h 05m
American Airlines
ndz. 7/55:35 am
LEX
-
STL
1 stop4h 02m
American Airlines
Deal found 6/19$295

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 Czerwiec 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$116
(Kiwi.com)

Popular in

June

Cheapest in

July

Average price

$487

Good round-trip deal

$339 or less

Good one-way deal

$253 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. 2% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 Czerwiec 22, 2026.
Use the filters below to find and compare flights from Illinois to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

śr. 7/22

6:30 am-12:34 pm

1 stop5h 04m

Lexington Blue Grass

sob. 7/25

11:22 am-12:06 pm

Nonstop1h 44m

$259

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

czw. 10/22

10:35 am-5:10 pm

1 stop5h 35m

Lexington Blue Grass

ndz. 10/25

6:00 am-9:52 am

1 stop4h 52m

$269

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

czw. 8/13

10:54 am-5:11 pm

1 stop5h 17m

Lexington Blue Grass

ndz. 8/16

6:00 am-9:59 am

1 stop4h 59m

$269

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

sob. 8/29

6:05 am-12:11 pm

1 stop5h 06m

Lexington Blue Grass

ndz. 8/30

6:00 am-9:59 am

1 stop4h 59m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

pt. 8/7

1:59 pm-9:28 pm

1 stop6h 29m

Lexington Blue Grass

pon. 8/10

1:06 pm-4:51 pm

1 stop4h 45m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

czw. 7/9

1:44 pm-10:04 pm

1 stop7h 20m

Lexington Blue Grass

ndz. 7/12

7:35 am-1:03 pm

1 stop6h 28m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

pt. 11/6

11:10 am-6:54 pm

1 stop6h 44m

Lexington Blue Grass

ndz. 11/8

3:45 pm-8:20 pm

1 stop5h 35m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

pt. 8/28

1:50 pm-7:46 pm

1 stop4h 56m

Lexington Blue Grass

sob. 8/29

10:52 am-4:17 pm

1 stop6h 25m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

pt. 8/7

5:30 am-12:11 pm

1 stop5h 41m

Lexington Blue Grass

ndz. 8/9

6:00 am-10:13 am

1 stop5h 13m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

czw. 7/16

6:35 am-2:42 pm

1 stop7h 07m

Lexington Blue Grass

ndz. 7/19

5:56 pm-11:53 pm

1 stop6h 57m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 57 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Illinois to Lexington (average of $162). Flying from Illinois to Lexington in June is currently the most expensive (average of $249). 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 Czerwiec 22, 2026.

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 morning, which can drop the price by up to 28% versus a flight at noon.

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 Czerwiec 22, 2026.

The most flights from USIL to LEX are scheduled on a Monday (26 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 on average).

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

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 June 20, 2026.

Travelers seeking maximum savings on their Illinois to Lexington flight should consider departing on Tuesday afternoons 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.

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 American Airlines, Delta, and United Airlines 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 3h 48m. 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 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 Envoy Air (97%), PSA Airlines (73%) and Avianca (70%).

  • What are the cheapest flights from Illinois to Lexington?

    Looking at all options, your cheapest flight can be booked for $182. While the most popular route (Chicago O'Hare Intl - Lexington Blue Grass) can be booked for $249 on average, our data indicates $445 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, January is the cheapest month in which you can book a flight from Illinois to Lexington (average of $162). Flying from Illinois to Lexington in June is currently the most expensive (average of $249). 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
Richmond
Danville
Berea
Frankfort
Georgetown

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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 Czerwiec 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$389FlexibilityNo cancel feeOn-time69%

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