HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$93+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LEX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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.

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 June 12, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$93
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$377

Good round-trip deal

$199 or less

Good one-way deal

$213 or less
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 ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 9/58:41 pmORD - LEX
Nonstop1h 29mAmerican Airlines
Sat 9/611:09 amLEX - ORD
Nonstop1h 39mAmerican Airlines
Deal found 6/11$189
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sun 6/299:14 pmORD - LEX
Nonstop1h 30mUnited Airlines
Tue 7/1511:00 amLEX - ORD
Nonstop1h 42mUnited Airlines
Deal found 6/9$194
This Delta deal was found by Cheapflights users on 6/11. 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 7/37:05 amORD - LEX
1 stop3h 14mDelta
Sun 7/63:53 pmLEX - ORD
1 stop6h 31mDelta
Deal found 6/11$209
This Delta deal was found by Cheapflights users on 6/10. 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 7/77:11 pmSTL - LEX
1 stop3h 48mDelta
Mon 7/148:15 pmLEX - STL
1 stop4h 38mDelta
Deal found 6/10$229
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/214:32 pmSTL - LEX
1 stop4h 29mAmerican Airlines
Mon 8/255:15 pmLEX - STL
2 stops7h 36mAmerican Airlines
Deal found 6/10$234
This Delta deal was found by Cheapflights users on 6/10. 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 6/256:00 amMDW - LEX
1 stop5h 19mDelta
Sun 6/298:06 amLEX - MDW
1 stop5h 23mDelta
Deal found 6/10$239
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Fri 7/254:36 pmORD - LEX
2 stops26h 41mMultiple Airlines
Sun 7/2710:00 amLEX - ORD
1 stop7h 41mMultiple Airlines
Deal found 6/11$256
This American Airlines deal was found by Cheapflights users on 6/12. 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 6/274:20 pmMLI - LEX
1 stop4h 27mAmerican Airlines
Tue 7/13:30 pmLEX - MLI
1 stop7h 39mAmerican Airlines
Deal found 6/12$299
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Fri 6/2710:34 amMDW - LEX
2 stops20h 20mAllegiant Air
Sun 6/299:27 amLEX - MDW
2 stops25h 17mAllegiant Air
Deal found 6/11$341
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 6/276:36 pmSTL - LEX
3 stops24h 51mMultiple Airlines
Sun 6/299:58 amLEX - STL
2 stops33h 20mMultiple Airlines
Deal found 6/10$392
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/245:35 pmMLI - LEX
1 stop5h 11mUnited Airlines
Tue 7/17:00 amLEX - MLI
1 stop4h 22mUnited Airlines
Deal found 6/10$453
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 6/276:33 amSTL - LEX
1 stop5h 48mUnited Airlines
Tue 7/15:44 pmLEX - STL
1 stop6h 01mUnited Airlines
Deal found 6/12$471

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 June 12, 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

Fri 9/5

8:41 pm-11:10 pm

Nonstop1h 29m

Lexington Blue Grass

Sat 9/6

11:09 am-11:48 am

Nonstop1h 39m

$189

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Sun 6/29

9:14 pm-11:44 pm

Nonstop1h 30m

Lexington Blue Grass

Tue 7/15

11:00 am-11:42 am

Nonstop1h 42m

$194

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Thu 7/3

7:05 am-11:19 am

1 stop3h 14m

Lexington Blue Grass

Sun 7/6

8:06 am-12:55 pm

1 stop5h 49m

$209

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Mon 7/7

7:11 pm-11:59 pm

1 stop3h 48m

Lexington Blue Grass

Mon 7/14

8:15 pm-11:53 pm

1 stop4h 38m

$229

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 8/21

4:32 pm-10:01 pm

1 stop4h 29m

Lexington Blue Grass

Mon 8/25

5:15 pm-11:51 pm

2 stops7h 36m

$234

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

Wed 6/25

6:00 am-12:19 pm

1 stop5h 19m

Lexington Blue Grass

Sun 6/29

8:06 am-12:29 pm

1 stop5h 23m

$239

ChicagoLexington

ORD - LEX

ORDLEX

Chicago O'Hare Intl

Fri 7/25

4:36 pm-8:17 pm

2 stops26h 41m

Lexington Blue Grass

Sun 7/27

10:00 am-4:41 pm

1 stop7h 41m

$256

MolineLexington

MLI - LEX

MLILEX

Moline Quad-City

Fri 6/27

4:20 pm-9:47 pm

1 stop4h 27m

Lexington Blue Grass

Tue 7/1

3:30 pm-10:09 pm

1 stop7h 39m

$299

ChicagoLexington

MDW - LEX

MDWLEX

Chicago Midway

Fri 6/27

10:34 am-7:54 am

2 stops20h 20m

Lexington Blue Grass

Sun 6/29

9:27 am-9:44 am

2 stops25h 17m

$341

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 6/27

6:36 pm-8:27 pm

3 stops24h 51m

Lexington Blue Grass

Sun 6/29

9:58 am-6:18 pm

2 stops33h 20m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 29 results
1
2
3

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, August is the cheapest month in which you can book a flight from Illinois to Lexington (average of $303). Flying from Illinois to Lexington in April is currently the most expensive (average of $390). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Lexington as you normally would.

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 June 12, 2025.

The most flights from USIL to LEX are scheduled on a Tuesday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Lexington by month

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

In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

Temperature in Lexington by month

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

If weather is an important factor for your trip to Lexington, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated June 12, 2025.
To help decide which airline to fly from Illinois to Lexington, see what other customers have to say about Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 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.

  • 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 $120 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $208 and Delta from $209 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 Emirates (100%), SkyWest Airlines (86%) and United Airlines (83%).

  • What are the cheapest flights from Illinois to Lexington?

    Looking at all options, your cheapest flight can be booked for $155. While the most popular route (Chicago O'Hare Intl - Lexington Blue Grass) can be booked for $199 on average our data indicates $269 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, August is the cheapest month in which you can book a flight from Illinois to Lexington (average of $303). Flying from Illinois to Lexington in April is currently the most expensive (average of $390). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Georgetown
Danville
Berea

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
Seattle to Nashville flights
Boston to Nashville flights
San Francisco to Nashville flights
O'Hare Intl to Nashville flights
Newark to Cincinnati flights
Dallas/Fort Worth to Nashville flights
Minneapolis to Nashville flights
John F Kennedy Intl to Cincinnati flights
Dallas/Fort Worth to Cincinnati flights
Boston to Cincinnati flights
LaGuardia to Cincinnati flights
Raleigh to Nashville flights
Philadelphia to Nashville flights
Ontario to Nashville flights
Dulles Intl to Nashville flights
Reagan-National to Nashville flights
Burbank to Nashville flights
Fort Lauderdale to Nashville flights
Baltimore to Nashville flights
Denver to Nashville flights
Santa Ana to Nashville flights
Hobby to Nashville flights
Orlando to Nashville flights
LaGuardia to Louisville flights
O'Hare Intl to Knoxville flights
Sky Harbor Intl to Nashville flights
Portland to Nashville flights
Los Angeles to Cincinnati flights
George Bush Intcntl to Knoxville flights
Salt Lake City to Nashville flights
LaGuardia to Knoxville flights
Detroit to Nashville flights
Hobby to Knoxville flights
Seattle to Cincinnati flights
Newark to Louisville flights
George Bush Intcntl to Nashville flights
Hobby to Cincinnati flights
John F Kennedy Intl to Knoxville flights
Boston to Louisville flights
John F Kennedy Intl to Louisville flights
Dulles Intl to Cincinnati flights
Cleveland to Nashville flights
Miami to Nashville flights
Dulles Intl to Louisville flights
Denver to Cincinnati flights
Love Field to Nashville 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$157Average$332FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$177Average$272FlexibilityNo 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.