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Lexington

$228+ Cheap flights from St. Louis to Lexington (STL - 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LEX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/266:30 amSTL - LEX
1 stop5h 46mUnited Airlines
Tue 12/306:00 amLEX - STL
1 stop7h 27mUnited Airlines
Deal found 12/11$278
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/199:28 pmSTL - LEX
1 stop3h 50mAmerican Airlines
Sun 1/410:13 pmLEX - STL
1 stop4h 12mAmerican Airlines
Deal found 12/10$304
This Delta deal was found by Cheapflights users on 12/9. 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.
Thu 12/2510:04 amSTL - LEX
1 stop6h 03mDelta
Mon 12/297:43 pmLEX - STL
1 stop4h 59mDelta
Deal found 12/9$319
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/199:28 pmSTL - LEX
1 stop3h 50mAmerican Airlines
Mon 1/56:55 pmLEX - STL
1 stop5h 49mAmerican Airlines
Deal found 12/10$339
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/126:05 pmSTL - LEX
1 stop3h 45mDelta
Sat 12/207:43 pmLEX - STL
1 stop4h 59mDelta
Deal found 12/10$349
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/121:20 pmSTL - LEX
1 stop7h 23mAmerican Airlines
Sun 12/1411:04 amLEX - STL
1 stop6h 15mAmerican Airlines
Deal found 12/10$359
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:55 amSTL - LEX
1 stop6h 10mUnited Airlines
Mon 12/291:57 pmLEX - STL
1 stop6h 21mUnited Airlines
Deal found 12/10$413
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/264:53 pmSTL - LEX
1 stop5h 19mAmerican Airlines
Tue 12/306:09 amLEX - STL
2 stops8h 14mAmerican Airlines
Deal found 12/11$448
This Delta deal was found by Cheapflights users on 12/10. 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.
Sat 12/206:25 pmSTL - LEX
1 stop3h 42mDelta
Sun 1/46:20 amLEX - STL
1 stop4h 04mDelta
Deal found 12/10$469
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/2011:05 amSTL - LEX
1 stop5h 00mUnited Airlines
Sat 12/271:57 pmLEX - STL
1 stop6h 21mUnited Airlines
Deal found 12/10$563

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Delta)

One-way from

$228
(Delta)
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
One-way flight from Lambert-St Louis to Lexington Blue Grass
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 December 12, 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

Fri 12/26

6:30 am-1:16 pm

1 stop5h 46m

Lexington Blue Grass

Tue 12/30

6:00 am-12:27 pm

1 stop7h 27m

$278

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 12/19

9:28 pm-2:18 am

1 stop3h 50m

Lexington Blue Grass

Sun 1/4

10:13 pm-1:25 am

1 stop4h 12m

$304

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 12/25

10:04 am-5:07 pm

1 stop6h 03m

Lexington Blue Grass

Mon 12/29

7:43 pm-11:42 pm

1 stop4h 59m

$319

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 12/19

9:28 pm-2:18 am

1 stop3h 50m

Lexington Blue Grass

Mon 1/5

6:55 pm-11:44 pm

1 stop5h 49m

$339

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 1/8

9:57 am-4:48 pm

1 stop5h 51m

Lexington Blue Grass

Mon 1/12

5:32 pm-2:30 pm

1 stop21h 58m

$394

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 1/20

9:57 am-4:48 pm

1 stop5h 51m

Lexington Blue Grass

Fri 1/23

5:32 pm-1:16 pm

2 stops20h 44m

$394

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 12/25

9:55 am-5:05 pm

1 stop6h 10m

Lexington Blue Grass

Mon 12/29

1:57 pm-7:18 pm

1 stop6h 21m

$413

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 12/26

4:53 pm-11:12 pm

1 stop5h 19m

Lexington Blue Grass

Tue 12/30

6:09 am-1:23 pm

2 stops8h 14m

$448

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 1/6

6:30 am-1:25 pm

1 stop5h 55m

Lexington Blue Grass

Fri 1/9

5:32 pm-9:13 pm

1 stop4h 41m

$455

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 1/6

6:00 am-3:37 pm

2 stops8h 37m

Lexington Blue Grass

Fri 1/9

12:49 pm-6:34 pm

1 stop6h 45m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 15 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 December.
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, September is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $161). Flying from St. Louis to Lexington in October is currently the most expensive (average of $527). 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.

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 December 12, 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
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 3h 50m. 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 $196 on this airline. An additional option worth looking into is American Airlines, starting at $228.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $161). Flying from St. Louis to Lexington in October is currently the most expensive (average of $527). 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
Berea
Georgetown
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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A

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