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$98+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$98
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$338

Good round-trip deal

$352 or less

Good one-way deal

$245 or less
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. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:00 amLEX - ORD
Nonstop1h 51mUnited Airlines
Sun 7/69:14 pmORD - LEX
Nonstop1h 30mUnited Airlines
Deal found 6/11$189
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.
Sat 7/267:07 pmLEX - ORD
Nonstop1h 36mAmerican Airlines
Sat 8/28:21 amORD - LEX
Nonstop1h 27mAmerican Airlines
Deal found 6/11$190
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.
Tue 7/812:13 pmLEX - ORD
1 stop21h 42mMultiple Airlines
Wed 7/95:40 pmORD - LEX
1 stop25h 26mMultiple Airlines
Deal found 6/11$192
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/83:46 pmLEX - MDW
1 stop6h 56mDelta
Mon 8/116:17 pmMDW - LEX
1 stop3h 29mDelta
Deal found 6/12$209
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.
Fri 8/85:50 pmLEX - ORD
1 stop3h 34mDelta
Mon 8/115:00 pmORD - LEX
1 stop4h 46mDelta
Deal found 6/11$209
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:18 pmLEX - STL
1 stop4h 33mDelta
Sun 6/296:40 amSTL - LEX
1 stop3h 39mDelta
Deal found 6/9$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.
Thu 10/239:41 pmLEX - RFD
1 stop17h 32mAllegiant Air
Sun 10/2610:14 amRFD - LEX
1 stop27h 41mAllegiant Air
Deal found 6/11$255
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:27 amLEX - MDW
2 stops25h 17mAllegiant Air
Wed 7/29:13 pmMDW - LEX
1 stop23h 40mAllegiant Air
Deal found 6/12$281
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 7/36:48 pmLEX - STL
1 stop6h 02mAmerican Airlines
Sun 7/67:23 amSTL - LEX
1 stop3h 37mAmerican Airlines
Deal found 6/10$294
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.
Thu 7/3111:00 amLEX - MLI
1 stop6h 43mUnited Airlines
Tue 8/55:20 pmMLI - LEX
1 stop5h 30mUnited Airlines
Deal found 6/12$309
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:48 pmLEX - MLI
1 stop13h 51mAllegiant Air
Wed 7/25:19 pmMLI - LEX
1 stop14h 51mAllegiant Air
Deal found 6/12$311
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 6/2711:00 amLEX - STL
1 stop4h 37mUnited Airlines
Tue 7/16:33 amSTL - LEX
1 stop5h 48mUnited Airlines
Deal found 6/12$324

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 June 12, 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

Wed 7/2

7:00 am-7:51 am

Nonstop1h 51m

Chicago O'Hare Intl

Sun 7/6

9:14 pm-11:44 pm

Nonstop1h 30m

$189

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Sat 7/26

7:07 pm-7:43 pm

Nonstop1h 36m

Chicago O'Hare Intl

Sat 8/2

8:21 am-10:48 am

Nonstop1h 27m

$190

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Tue 7/8

12:13 pm-8:55 am

1 stop21h 42m

Chicago O'Hare Intl

Wed 7/9

5:40 pm-8:06 pm

1 stop25h 26m

$192

LexingtonChicago

LEX - MDW

LEXMDW

Lexington Blue Grass

Fri 8/8

3:46 pm-9:42 pm

1 stop6h 56m

Chicago Midway

Mon 8/11

6:17 pm-10:46 pm

1 stop3h 29m

$209

LexingtonChicago

LEX - ORD

LEXORD

Lexington Blue Grass

Wed 7/9

6:49 pm-12:09 am

1 stop6h 20m

Chicago O'Hare Intl

Sat 7/12

7:00 am-3:01 pm

1 stop7h 01m

$209

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/27

8:18 pm-11:51 pm

1 stop4h 33m

Lambert-St Louis

Sun 6/29

6:40 am-11:19 am

1 stop3h 39m

$239

LexingtonChicago

LEX - RFD

LEXRFD

Lexington Blue Grass

Thu 10/23

9:41 pm-2:13 pm

1 stop17h 32m

Chicago Greater Rockford

Sun 10/26

10:14 am-2:55 pm

1 stop27h 41m

$255

LexingtonChicago

LEX - MDW

LEXMDW

Lexington Blue Grass

Sun 6/29

9:27 am-9:44 am

2 stops25h 17m

Chicago Midway

Wed 7/2

9:13 pm-9:53 pm

1 stop23h 40m

$281

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 7/3

6:48 pm-11:50 pm

1 stop6h 02m

Lambert-St Louis

Sun 7/6

7:23 am-12:00 pm

1 stop3h 37m

$294

LexingtonMoline

LEX - MLI

LEXMLI

Lexington Blue Grass

Thu 7/31

11:00 am-4:43 pm

1 stop6h 43m

Moline Quad-City

Tue 8/5

5:20 pm-11:50 pm

1 stop5h 30m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results
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2
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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 June 12, 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 June 12, 2025.

The most flights from LEX to USIL 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 (9 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 June 12, 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
7,946 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 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 $143. However, be on the lookout for offers from Delta and American Airlines, 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 - Chicago Greater Rockford when deciding on the best route from Lexington to Illinois.

  • What are the most reliable airlines from Lexington to Illinois?

    Consider Avianca (92%), ANA (87%) or SkyWest Airlines (86%) 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 $1,422, our data shows the cheapest flight currently is $124. 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.

See more FAQs

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$182Average$280FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$328FlexibilityNo cancel feeOn-time69%

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