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$120+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ORD
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$214
(Delta)

One-way from

$120
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$409

Good round-trip deal

$352 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Lexington Blue Grass-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Lexington Blue Grass-Chicago (CHI) flights.
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From Lexington Blue Grass to Illinois
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One-way flight from Lexington Blue Grass to Illinois
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Highest demand for flights based on searches. 17% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Lexington Blue Grass to Illinois.
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Price to beat on a one-way flight from Lexington Blue Grass to Illinois.
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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 April 24, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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.
Wed 5/145:55 pmLEX - MDW
1 stop4h 33mDelta
Sat 5/311:08 pmMDW - LEX
1 stop3h 22mDelta
Deal found 4/22$214
This Delta deal was found by Cheapflights users on 4/23. 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 5/127:59 pmLEX - ORD
1 stop4h 59mDelta
Mon 5/197:10 amORD - LEX
1 stop3h 08mDelta
Deal found 4/23$214
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/56:48 pmLEX - ORD
Nonstop1h 35mAmerican Airlines
Sun 6/88:52 amORD - LEX
Nonstop1h 34mAmerican Airlines
Deal found 4/23$217
This eDestinos deal was found by Cheapflights users on 4/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:48 pmLEX - RFD
1 stop11h 08mAllegiant Air
Fri 5/308:02 pmRFD - LEX
1 stop17h 56mAllegiant Air
Deal found 4/23$232
This Delta deal was found by Cheapflights users on 4/23. 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 5/710:09 amLEX - STL
1 stop5h 26mDelta
Sat 5/1010:45 amSTL - LEX
1 stop5h 45mDelta
Deal found 4/23$239
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:50 pmLEX - ORD
Nonstop1h 33mUnited Airlines
Mon 12/19:10 pmORD - LEX
Nonstop1h 31mUnited Airlines
Deal found 4/22$254
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/66:48 pmLEX - STL
1 stop6h 06mAmerican Airlines
Mon 6/94:37 pmSTL - LEX
1 stop4h 10mAmerican Airlines
Deal found 4/23$259
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:10 pmLEX - MLI
1 stop4h 39mAmerican Airlines
Mon 4/283:24 pmMLI - LEX
1 stop6h 31mAmerican Airlines
Deal found 4/22$289
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:05 amLEX - STL
1 stop4h 42mUnited Airlines
Mon 5/125:29 pmSTL - LEX
1 stop5h 17mUnited Airlines
Deal found 4/22$299
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Thu 6/58:21 pmLEX - ORD
1 stop28h 44mMultiple Airlines
Sun 6/85:05 amORD - LEX
1 stop13h 26mMultiple Airlines
Deal found 4/23$303
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/309:08 amLEX - MDW
2 stops11h 06mAllegiant Air
Mon 6/27:00 pmMDW - LEX
2 stops24h 18mAllegiant Air
Deal found 4/22$330
This Delta deal was found by Cheapflights users on 4/23. 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 5/2310:09 amLEX - MLI
1 stop7h 25mDelta
Fri 5/305:15 pmMLI - LEX
1 stop5h 36mDelta
Deal found 4/23$509

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 April 24, 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

Mon 5/12

7:59 pm-11:58 pm

1 stop4h 59m

Chicago O'Hare Intl

Mon 5/19

7:10 am-11:18 am

1 stop3h 08m

$214

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Thu 6/5

6:48 pm-7:23 pm

Nonstop1h 35m

Chicago O'Hare Intl

Sun 6/8

8:52 am-11:26 am

Nonstop1h 34m

$217

LexingtonChicago

LEX - MDW

LEXMDW

Lexington Blue Grass

Fri 5/9

3:44 pm-9:28 pm

1 stop6h 44m

Chicago Midway

Sun 5/11

6:00 am-12:19 pm

1 stop5h 19m

$219

LexingtonChicago

LEX - RFD

LEXRFD

Lexington Blue Grass

Fri 5/23

9:48 pm-7:56 am

1 stop11h 08m

Chicago Greater Rockford

Fri 5/30

8:02 pm-2:58 pm

1 stop17h 56m

$232

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 5/7

10:09 am-2:35 pm

1 stop5h 26m

Lambert-St Louis

Sat 5/10

10:45 am-5:30 pm

1 stop5h 45m

$239

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/6

6:48 pm-11:54 pm

1 stop6h 06m

Lambert-St Louis

Mon 6/9

4:37 pm-9:47 pm

1 stop4h 10m

$259

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sat 5/3

6:10 pm-6:55 pm

Nonstop1h 45m

Chicago O'Hare Intl

Wed 5/7

9:16 pm-11:46 pm

Nonstop1h 30m

$284

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 5/8

11:05 am-2:47 pm

1 stop4h 42m

Lambert-St Louis

Mon 5/12

5:29 pm-11:46 pm

1 stop5h 17m

$299

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Thu 6/5

8:21 pm-12:05 am

1 stop28h 44m

Chicago O'Hare Intl

Sun 6/8

5:05 am-7:31 pm

1 stop13h 26m

$303

LexingtonMoline

LEX - MLI

LEXMLI

Lexington Blue Grass

Fri 5/23

10:09 am-4:34 pm

1 stop7h 25m

Moline Quad-City

Fri 5/30

5:15 pm-11:51 pm

1 stop5h 36m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 results
1
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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 April 24, 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 April 24, 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 (17 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 April 24, 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
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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
7,920 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

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 $120. However, be on the lookout for offers from American 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 $1,360, 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.

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$170Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$338FlexibilityNo cancel feeOn-time69%

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