St. Louis

$271+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
Jul 8 — Jul 151
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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 June 8, 2026.

This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:30 am
LEX
-
STL
1 stop5h 04m
Delta
Tue 7/79:24 am
STL
-
LEX
1 stop6h 46m
Delta
Deal found 6/6$271
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/34:35 pm
LEX
-
STL
1 stop4h 28m
American Airlines
Fri 7/107:32 am
STL
-
LEX
1 stop4h 02m
American Airlines
Deal found 6/5$280
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:00 am
LEX
-
STL
1 stop4h 32m
American Airlines
Mon 7/66:13 pm
STL
-
LEX
1 stop4h 46m
American Airlines
Deal found 6/6$334
This United Airlines deal was found by Cheapflights users on 6/3. 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 8/267:00 am
LEX
-
STL
1 stop6h 02m
United Airlines
Sat 8/295:30 pm
STL
-
LEX
1 stop5h 25m
United Airlines
Deal found 6/3$341
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:56 pm
LEX
-
STL
1 stop7h 00m
Delta
Sat 6/204:00 pm
STL
-
LEX
1 stop7h 04m
Delta
Deal found 6/5$343
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/55:00 am
LEX
-
STL
1 stop4h 32m
American Airlines
Sat 6/612:39 pm
STL
-
LEX
1 stop6h 01m
American Airlines
Deal found 6/4$370
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:00 am
LEX
-
STL
1 stop4h 32m
American Airlines
Sat 6/136:12 pm
STL
-
LEX
1 stop4h 47m
American Airlines
Deal found 6/6$375
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/510:04 am
LEX
-
STL
1 stop6h 42m
United Airlines
Sun 6/77:05 pm
STL
-
LEX
1 stop3h 54m
United Airlines
Deal found 6/4$379
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:59 pm
LEX
-
STL
1 stop4h 54m
Delta
Sun 7/197:08 am
STL
-
LEX
1 stop4h 09m
Delta
Deal found 6/5$384
This Delta deal was found by Cheapflights users on 6/4. 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 6/66:11 pm
LEX
-
STL
1 stop4h 27m
Delta
Tue 6/97:08 am
STL
-
LEX
1 stop4h 11m
Delta
Deal found 6/4$387
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
LEX
-
STL
1 stop4h 43m
Delta
Sun 7/121:54 pm
STL
-
LEX
1 stop6h 24m
Delta
Deal found 6/6$399
This American Airlines deal was found by Cheapflights users on 6/3. 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 6/268:10 pm
LEX
-
STL
1 stop4h 34m
American Airlines
Sun 6/285:14 am
STL
-
LEX
1 stop6h 23m
American Airlines
Deal found 6/3$403

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Delta)

Popular in

April

Cheapest in

January

Average price

$279
Provider with most accurate pricing for Lexington Blue Grass-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Lexington Blue Grass-Lambert-St Louis flights.
From Lexington Blue Grass to Lambert-St Louis
Highest demand for flights based on searches. 29% potential increase in price ($141 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 8, 2026.
Use the filters below to find and compare flights from Lexington to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 8/26

9:52 am-3:38 pm

1 stop6h 46m

Lambert-St Louis

Sat 8/29

8:00 am-1:16 pm

1 stop4h 16m

$341

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/19

5:56 pm-11:56 pm

1 stop7h 00m

Lambert-St Louis

Sat 6/20

4:00 pm-12:04 am

1 stop7h 04m

$343
Quickest round-trip

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 7/17

7:59 pm-11:53 pm

1 stop4h 54m

Lambert-St Louis

Sun 7/19

7:08 am-12:17 pm

1 stop4h 09m

$384

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Mon 7/6

8:32 pm-11:56 pm

1 stop4h 24m

Lambert-St Louis

Sun 7/12

1:54 pm-9:18 pm

1 stop6h 24m

$413

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 9/1

8:05 am-11:26 am

1 stop4h 21m

Lambert-St Louis

Fri 9/4

8:07 pm-11:17 am

1 stop14h 10m

$423

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 7/4

5:55 pm-9:26 pm

1 stop4h 31m

Lambert-St Louis

Fri 7/10

6:00 am-1:20 pm

1 stop6h 20m

$430

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 6/18

10:04 am-3:46 pm

1 stop6h 42m

Lambert-St Louis

Mon 6/22

5:29 pm-11:59 pm

1 stop5h 30m

$453
Cheapest one-way

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sun 6/14

9:54 pm-6:18 pm

2 stops21h 24m

$316
Quickest one-way

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sun 6/14

5:00 am-8:32 am

1 stop4h 32m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Sorted by cheapest first

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 June.
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 Lexington-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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

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

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 June 8, 2026.
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.

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.1

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 6h 46m. 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 55% 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Edwardsville
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$152Average$268FlexibilityNo cancel feeOn-time71%

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