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St. Louis

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

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Lexington to St. Louis

Cheapest flights from Lexington to St. Louis
Explore the most affordable flight options available from Lexington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

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 12/255:47 pmLEX - STL
1 stop3h 54mDelta
Mon 12/295:59 pmSTL - LEX
1 stop4h 08mDelta
Deal found 12/9$319
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:43 pmLEX - STL
1 stop4h 59mDelta
Tue 12/307:02 pmSTL - LEX
1 stop3h 57mDelta
Deal found 12/11$379
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 12/251:57 pmLEX - STL
1 stop6h 21mUnited Airlines
Mon 12/293:10 pmSTL - LEX
1 stop4h 54mUnited Airlines
Deal found 12/10$393
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.
Mon 12/296:03 pmLEX - STL
1 stop6h 52mAmerican Airlines
Sat 1/35:00 amSTL - LEX
1 stop4h 30mAmerican Airlines
Deal found 12/11$437
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 12/266:09 amLEX - STL
2 stops8h 27mAmerican Airlines
Tue 12/305:00 amSTL - LEX
1 stop4h 30mAmerican Airlines
Deal found 12/11$457
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:09 amLEX - STL
2 stops9h 00mAmerican Airlines
Mon 12/296:35 pmSTL - LEX
1 stop4h 21mAmerican Airlines
Deal found 12/9$550
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.
Sun 12/145:47 pmLEX - STL
1 stop4h 53mUnited Airlines
Fri 12/195:02 pmSTL - LEX
1 stop23h 03mUnited Airlines
Deal found 12/10$689
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:47 pmLEX - STL
1 stop15h 25mMultiple Airlines
Fri 12/198:42 pmSTL - LEX
2 stops40h 00mMultiple Airlines
Deal found 12/10$730
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.
Sun 12/148:34 amLEX - STL
2 stops8h 45mAmerican Airlines
Fri 12/195:54 amSTL - LEX
2 stops7h 33mAmerican Airlines
Deal found 12/10$778
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:05 amLEX - STL
1 stop5h 40mDelta
Mon 12/156:05 pmSTL - LEX
1 stop3h 45mDelta
Deal found 12/11$929

Find flight deals from Lexington to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to St. Louis (STL). 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

$229
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$253
Provider with most accurate pricing for Lexington Blue Grass-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Lambert-St Louis flights.
Search Deals
From Lexington Blue Grass to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to St. Louis 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 Lexington to St. Louis that are best for you.

Fly from

Lexington

Fly to

St. Louis

Route

Depart

Return

Price

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 1/30

7:41 am-2:47 pm

1 stop8h 06m

Lambert-St Louis

Sun 2/1

9:33 am-5:53 pm

1 stop7h 20m

$229

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 1/1

8:04 am-1:36 pm

1 stop6h 32m

Lambert-St Louis

Wed 1/7

8:13 am-3:37 pm

1 stop6h 24m

$229

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 2/27

5:34 pm-9:00 pm

1 stop4h 26m

Lambert-St Louis

Mon 3/2

6:45 pm-11:50 pm

1 stop4h 05m

$244

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 1/1

5:47 pm-8:41 pm

1 stop3h 54m

Lambert-St Louis

Wed 1/7

5:00 pm-11:51 pm

1 stop5h 51m

$269

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 2/27

6:00 am-12:29 pm

1 stop7h 29m

Lambert-St Louis

Mon 3/2

6:00 am-5:15 pm

2 stops10h 15m

$269

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 1/24

10:30 am-4:03 pm

1 stop6h 33m

Lambert-St Louis

Wed 1/28

9:57 am-5:13 pm

1 stop6h 16m

$289

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 12/25

5:47 pm-8:41 pm

1 stop3h 54m

Lambert-St Louis

Mon 12/29

5:59 pm-11:07 pm

1 stop4h 08m

$319

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 12/26

7:43 pm-11:42 pm

1 stop4h 59m

Lambert-St Louis

Tue 12/30

7:02 pm-11:59 pm

1 stop3h 57m

$379

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 3/14

5:47 pm-8:41 pm

1 stop3h 54m

$268

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 12/17

2:11 pm-7:29 pm

1 stop6h 18m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results
1
2

Compare providers for flights from Lexington to St. Louis

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 Lexington to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Lexington-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lexington-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lexington-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-St. Louis 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 Lexington-St. Louis 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 Lexington to St. Louis

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

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

Currently, October is the cheapest month in which you can book a flight from Lexington to St. Louis (average of $85). Flying from Lexington to St. Louis in April is currently the most expensive (average of $273). 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 STL?

Find hourly flight availability from Lexington to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Lexington to St. Louis in the evening. Doing so could potentially save you 3% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with American Airlines from Lexington to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Lexington to St. Louis. 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 Lexington to St. Louis?

    Departing from Lexington to St. Louis will take you 3h 54m. The distance from Lexington to St. Louis is about 316 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Lexington to St. Louis round-trip?

    According to our current data, American Airlines ($152), offers the cheapest pricing from Lexington to St. Louis. American Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Lexington to St. Louis (average of $85). Flying from Lexington to St. Louis in April is currently the most expensive (average of $273). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Lexington to St. Louis

Discover the top airline that operate flights from Lexington to St. Louis. 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$152Average$288FlexibilityNo cancel feeOn-time71%

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