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Lexington

$248+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LEX
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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1. Tell us where you want to go

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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 March 10, 2026.

This American Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 4/136:29 am
STL
-
LEX
1 stop7h 49m
American Airlines
Sat 4/182:15 pm
LEX
-
STL
1 stop6h 15m
American Airlines
Deal found 3/10$269
This United Airlines deal was found by Cheapflights users on 3/8. 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 3/246:25 am
STL
-
LEX
1 stop5h 50m
United Airlines
Sat 3/285:39 pm
LEX
-
STL
1 stop4h 26m
United Airlines
Deal found 3/8$279
This American Airlines deal was found by Cheapflights users on 3/8. 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 3/248:00 am
STL
-
LEX
2 stops8h 11m
American Airlines
Sat 3/284:59 pm
LEX
-
STL
1 stop5h 12m
American Airlines
Deal found 3/8$284
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/291:03 pm
STL
-
LEX
1 stop5h 07m
Delta
Sat 5/25:50 pm
LEX
-
STL
1 stop3h 54m
Delta
Deal found 3/9$291
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/67:00 am
STL
-
LEX
1 stop5h 18m
American Airlines
Sat 3/2810:27 am
LEX
-
STL
1 stop4h 23m
American Airlines
Deal found 3/5$304
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/65:12 am
STL
-
LEX
1 stop7h 06m
American Airlines
Thu 3/126:40 am
LEX
-
STL
1 stop4h 23m
American Airlines
Deal found 3/5$329
This United Airlines deal was found by Cheapflights users on 3/8. 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 3/910:00 am
STL
-
LEX
1 stop5h 55m
United Airlines
Sun 3/157:00 am
LEX
-
STL
1 stop4h 36m
United Airlines
Deal found 3/8$330
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
STL
-
LEX
1 stop5h 23m
American Airlines
Tue 3/173:10 pm
LEX
-
STL
2 stops9h 34m
American Airlines
Deal found 3/9$334
This United Airlines deal was found by Cheapflights users on 3/8. 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 3/127:41 am
STL
-
LEX
1 stop4h 34m
United Airlines
Sat 3/145:39 pm
LEX
-
STL
1 stop6h 20m
United Airlines
Deal found 3/8$339
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/29:10 am
STL
-
LEX
1 stop6h 52m
United Airlines
Mon 4/65:30 am
LEX
-
STL
1 stop3h 55m
United Airlines
Deal found 3/6$346
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/213:24 pm
STL
-
LEX
1 stop3h 45m
United Airlines
Wed 3/251:56 pm
LEX
-
STL
1 stop5h 04m
United Airlines
Deal found 3/6$353

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$248
(American Airlines)
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 March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Mon 4/13

6:29 am-3:18 pm

1 stop7h 49m

Lexington Blue Grass

Sat 4/18

2:15 pm-7:30 pm

1 stop6h 15m

$269

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Tue 3/24

6:25 am-1:15 pm

1 stop5h 50m

Lexington Blue Grass

Sat 3/28

5:39 pm-9:05 pm

1 stop4h 26m

$279

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 4/29

1:03 pm-7:10 pm

1 stop5h 07m

Lexington Blue Grass

Sat 5/2

5:50 pm-8:44 pm

1 stop3h 54m

$291

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 4/2

9:10 am-5:02 pm

1 stop6h 52m

Lexington Blue Grass

Mon 4/6

5:30 am-8:25 am

1 stop3h 55m

$346

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 3/21

3:24 pm-8:09 pm

1 stop3h 45m

Lexington Blue Grass

Wed 3/25

1:56 pm-6:00 pm

1 stop5h 04m

$353

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 4/25

7:25 am-1:38 pm

1 stop5h 13m

Lexington Blue Grass

Mon 4/27

4:53 pm-9:19 pm

1 stop5h 26m

$355

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 4/25

6:29 am-3:18 pm

1 stop7h 49m

Lexington Blue Grass

Mon 4/27

4:27 pm-11:46 pm

1 stop8h 19m

$362
Quickest round-trip

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 3/25

7:00 pm-11:44 pm

1 stop3h 44m

Lexington Blue Grass

Sun 3/29

5:45 pm-9:08 pm

1 stop4h 23m

$373

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 3/21

5:12 am-1:23 pm

1 stop7h 11m

Lexington Blue Grass

Wed 3/25

7:00 am-1:39 pm

2 stops7h 39m

$402

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sun 4/19

6:50 pm-11:54 pm

1 stop4h 04m

Lexington Blue Grass

Sun 4/26

7:40 am-1:05 pm

1 stop6h 25m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 15 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Lexington flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $160). 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 March 10, 2026.
Read reviews from past customers who have flown 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.
American Airlines
7.1
Good
11,414 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Crew

7.9

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,414 reviews
American Airlines
7.1
Good
11,414 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Crew

7.9

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 07m. 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 is the cheapest airline to fly from St. Louis to Lexington round-trip?

    Our cheapest airline available from St. Louis to Lexington is American Airlines. Our recent data shows that you can find tickets from as low as $253 on this airline.

  • 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 $160). 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
Danville
Berea
Georgetown
Frankfort

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Lexington

Discover the top airline 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$253Average$323FlexibilityNo cancel feeOn-time71%

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