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Lexington

$107+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This American Airlines deal was found by Cheapflights users on 5/6. 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 6/48:10 am
ORD
-
LEX
Nonstop1h 34m
American Airlines
Sat 6/66:47 pm
LEX
-
ORD
Nonstop1h 59m
American Airlines
Deal found 5/6$249
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/288:06 am
ORD
-
LEX
Nonstop1h 36m
American Airlines
Mon 6/15:19 am
LEX
-
ORD
Nonstop1h 36m
American Airlines
Deal found 5/6$250
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/188:10 am
ORD
-
LEX
Nonstop1h 34m
American Airlines
Thu 6/256:36 pm
LEX
-
ORD
Nonstop1h 59m
American Airlines
Deal found 5/4$251
This American Airlines deal was found by Cheapflights users on 5/5. 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 10/18:00 am
ORD
-
LEX
Nonstop1h 28m
American Airlines
Sun 10/47:06 pm
LEX
-
ORD
Nonstop1h 44m
American Airlines
Deal found 5/5$264
This Delta deal was found by Cheapflights users on 5/6. 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 5/2710:59 am
MDW
-
LEX
1 stop5h 14m
Delta
Mon 6/18:04 am
LEX
-
MDW
1 stop5h 38m
Delta
Deal found 5/6$269
This Delta deal was found by Cheapflights users on 5/6. 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 6/67:05 am
ORD
-
LEX
1 stop4h 14m
Delta
Sun 6/77:59 pm
LEX
-
ORD
1 stop5h 00m
Delta
Deal found 5/6$269
This Delta deal was found by Cheapflights users on 5/3. 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 9/51:30 pm
STL
-
LEX
1 stop4h 24m
Delta
Tue 9/87:10 am
LEX
-
STL
1 stop6h 43m
Delta
Deal found 5/3$271
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/289:15 pm
ORD
-
LEX
Nonstop1h 31m
American Airlines
Sun 8/307:20 am
LEX
-
ORD
1 stop5h 52m
American Airlines
Deal found 5/5$274
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/197:55 pm
ORD
-
LEX
Nonstop1h 32m
United Airlines
Sat 5/235:15 am
LEX
-
ORD
Nonstop1h 50m
United Airlines
Deal found 5/4$279
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 6/25:15 pm
STL
-
LEX
1 stop3h 50m
Delta
Wed 6/107:35 am
LEX
-
STL
1 stop6h 34m
Delta
Deal found 5/6$280
This Delta deal was found by Cheapflights users on 5/4. 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 6/610:45 am
MDW
-
LEX
1 stop5h 28m
Delta
Sun 6/77:35 am
LEX
-
MDW
1 stop6h 11m
Delta
Deal found 5/4$284
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 9/41:15 pm
ORD
-
LEX
1 stop7h 08m
Delta
Sun 9/611:00 am
LEX
-
ORD
1 stop6h 36m
Delta
Deal found 5/6$284

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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$107
(Kiwi.com)

Popular in

February

Cheapest in

July

Average price

$256

Good round-trip deal

$269 or less

Good one-way deal

$239 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. 27% potential increase in price ($125 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 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 May 7, 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

Thu 9/3

7:45 am-10:23 am

Nonstop1h 38m

Lexington Blue Grass

Sun 9/6

5:20 am-6:05 am

Nonstop1h 45m

$249

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 9/11

7:45 am-10:23 am

Nonstop1h 38m

Lexington Blue Grass

Sun 9/13

6:00 pm-6:49 pm

Nonstop1h 49m

$249

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 6/18

8:10 am-10:44 am

Nonstop1h 34m

Lexington Blue Grass

Sun 6/21

5:00 am-9:02 am

1 stop5h 02m

$259

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

Tue 5/26

5:12 pm-11:59 pm

1 stop5h 47m

Lexington Blue Grass

Tue 6/2

3:32 pm-9:09 pm

1 stop6h 37m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 8/7

2:12 pm-9:28 pm

1 stop6h 16m

Lexington Blue Grass

Mon 8/10

10:48 am-1:13 pm

1 stop3h 25m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 7/16

3:22 pm-10:04 pm

1 stop5h 42m

Lexington Blue Grass

Sun 7/19

6:00 am-10:10 am

1 stop5h 10m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 9/25

1:15 pm-9:23 pm

1 stop7h 08m

Lexington Blue Grass

Mon 9/28

7:45 pm-11:57 pm

1 stop5h 12m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 5/28

8:10 am-2:46 pm

1 stop5h 36m

Lexington Blue Grass

Mon 6/1

5:55 am-10:16 am

1 stop5h 21m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 7/23

2:07 pm-9:18 pm

1 stop6h 11m

Lexington Blue Grass

Mon 8/17

10:48 am-4:24 pm

1 stop6h 36m

$269

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Sat 6/6

7:05 am-2:46 pm

1 stop6h 41m

Lexington Blue Grass

Sun 6/7

7:59 pm-11:59 pm

1 stop5h 00m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 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 February 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 May 7, 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 31% 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 May 2, 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.

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 May 7, 2026.

The most flights from USIL to LEX are scheduled on a Wednesday (30 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (24 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 American Airlines, Delta, and United Airlines fly from Illinois to Lexington in about 1h 34m. The time it takes to get you to your destination can typically vary by up to 4h 13m. 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 Alaska Airlines (77%), Air Canada (73%) and Aer Lingus (73%).

  • What are the cheapest flights from Illinois to Lexington?

    Looking at all options, your cheapest flight can be booked for $195. While the most popular route (Chicago O'Hare Intl - Lexington Blue Grass) can be booked for $249 on average, our data indicates $379 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 February 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
Somerset
Danville
Berea
Georgetown
Frankfort

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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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$266FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$365FlexibilityNo cancel feeOn-time69%

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