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Lexington

$229+ Cheap flights from St. Louis to Lexington (STL - LEX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LEX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from St. Louis to Lexington

Cheapest flights from St. Louis to Lexington
Explore the most affordable flight options available from St. Louis to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 11/255:17 pmSTL - LEX
1 stop5h 47mDelta
Tue 12/27:45 amLEX - STL
1 stop7h 08mDelta
Deal found 10/26$229
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1110:53 amSTL - LEX
1 stop5h 36mAmerican Airlines
Sat 11/156:08 pmLEX - STL
1 stop6h 57mAmerican Airlines
Deal found 10/26$239
This Delta deal was found by Cheapflights users on 10/27. 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 12/315:55 pmSTL - LEX
1 stop4h 12mDelta
Sun 1/46:20 amLEX - STL
1 stop4h 04mDelta
Deal found 10/27$254
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 10/2712:31 pmSTL - LEX
1 stop3h 39mUnited Airlines
Sun 11/27:05 amLEX - STL
1 stop4h 46mUnited Airlines
Deal found 10/26$289
This Delta deal was found by Cheapflights users on 10/27. 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 10/276:52 pmSTL - LEX
1 stop4h 12mDelta
Sun 11/27:17 amLEX - STL
1 stop6h 18mDelta
Deal found 10/27$299
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/315:16 amSTL - LEX
1 stop7h 07mAmerican Airlines
Sun 1/410:13 pmLEX - STL
1 stop4h 12mAmerican Airlines
Deal found 10/27$308
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/12:06 pmSTL - LEX
1 stop3h 35mAmerican Airlines
Mon 11/34:35 pmLEX - STL
1 stop7h 32mAmerican Airlines
Deal found 10/28$319
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/115:15 amSTL - LEX
1 stop4h 19mAmerican Airlines
Thu 12/182:05 pmLEX - STL
1 stop6h 17mAmerican Airlines
Deal found 10/27$325
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/1210:15 amSTL - LEX
1 stop4h 12mAmerican Airlines
Sun 11/166:08 pmLEX - STL
1 stop6h 57mAmerican Airlines
Deal found 10/28$354

Cheap flight deals from St. Louis to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lexington (LEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

Popular in

April

Cheapest in

January
Provider with most accurate pricing for Lambert-St Louis-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Lexington Blue Grass flights.
Search Deals
From Lambert-St Louis to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 October 28, 2025.
Use the filters below to find and compare flights from St. Louis to Lexington that are best for you.

Fly from

St. Louis

Fly to

Lexington

Route

Depart

Return

Price

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 2/21

10:00 am-4:08 pm

1 stop5h 08m

Lexington Blue Grass

Wed 2/25

5:49 pm-11:40 pm

1 stop6h 51m

$229

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 11/25

5:17 pm-12:04 am

1 stop5h 47m

Lexington Blue Grass

Tue 12/2

7:45 am-1:53 pm

1 stop7h 08m

$229

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 11/11

10:53 am-5:29 pm

1 stop5h 36m

Lexington Blue Grass

Sat 11/15

6:08 pm-12:05 am

1 stop6h 57m

$239

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 12/31

5:55 pm-11:07 pm

1 stop4h 12m

Lexington Blue Grass

Sun 1/4

6:20 am-9:24 am

1 stop4h 04m

$254

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 3/4

10:00 am-5:10 pm

1 stop6h 10m

Lexington Blue Grass

Sat 3/7

11:00 am-4:55 pm

1 stop6h 55m

$264

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 11/26

6:43 pm-11:44 pm

1 stop4h 01m

Lexington Blue Grass

Fri 11/28

5:45 pm-10:45 pm

1 stop6h 00m

$289

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 2/21

1:44 pm-9:44 pm

1 stop7h 00m

Lexington Blue Grass

Wed 2/25

6:00 am-5:06 pm

2 stops12h 06m

$294

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 12/31

5:16 am-1:23 pm

1 stop7h 07m

Lexington Blue Grass

Sun 1/4

10:13 pm-1:25 am

1 stop4h 12m

$308

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 12/11

5:15 am-10:34 am

1 stop4h 19m

Lexington Blue Grass

Thu 12/18

2:05 pm-7:22 pm

1 stop6h 17m

$325

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 3/4

9:32 am-9:12 pm

2 stops10h 40m

Lexington Blue Grass

Sat 3/7

6:00 am-12:27 pm

1 stop7h 27m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 12 results
1
2

Compare providers for flights from St. Louis to Lexington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Lexington in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Lexington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Lexington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Lexington flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from St. Louis 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 St. Louis to Lexington

What is the cheapest month to book a flight from St. Louis to Lexington?

Currently, December is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $114). Flying from St. Louis to Lexington in October is currently the most expensive (average of $389). 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 STL to LEX?

Find hourly flight availability from St. Louis 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 October 28, 2025.

It’s optimal to fly from St. Louis to Lexington at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from St. Louis to Lexington?

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 October 28, 2025.
Read reviews from past customers who have flown Delta and American Airlines from St. Louis to Lexington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Lexington?

    Departing from St. Louis to Lexington will take you 5h 08m. St. Louis and Lexington are separated by a distance of 316 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Lexington round-trip?

    Our cheapest airline available from St. Louis to Lexington is Delta. Our recent data shows that you can find tickets from as low as $228 on this airline. An additional option worth looking into is American Airlines, starting at $228. Delta is currently priced 29% below the average price you’ll pay for this route.

  • Can I find deals for flights from St. Louis to Lexington that include hotel bookings?

    Yes. In addition to deals on St. Louis to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Lexington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Lexington.

  • Can I find deals for business class flights from St. Louis to Lexington?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Lexington?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $114). Flying from St. Louis to Lexington in October is currently the most expensive (average of $389). 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
Georgetown
Berea
Frankfort

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Top 2 airlines flying from St. Louis to Lexington

Discover the top 2 airlines that operate flights from St. Louis 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%

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