HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$248+ Cheap flights from Lexington to St. Louis (LEX - STL)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lexington to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 12, 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.
Wed 4/17:00 am
LEX
-
STL
1 stop6h 43m
American Airlines
Sun 4/55:12 am
STL
-
LEX
1 stop7h 02m
American Airlines
Deal found 3/10$269
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.
Wed 3/2510:27 am
LEX
-
STL
1 stop4h 12m
American Airlines
Sun 3/297:00 am
STL
-
LEX
1 stop5h 14m
American Airlines
Deal found 3/10$299
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.
Mon 4/67:55 pm
LEX
-
STL
1 stop5h 03m
Delta
Wed 4/159:59 am
STL
-
LEX
1 stop5h 08m
Delta
Deal found 3/9$311
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 3/1510:25 am
LEX
-
STL
1 stop5h 17m
United Airlines
Fri 4/176:55 pm
STL
-
LEX
1 stop4h 04m
United Airlines
Deal found 3/11$324
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.
Sat 8/296:00 pm
LEX
-
STL
1 stop6h 00m
United Airlines
Wed 9/25:00 am
STL
-
LEX
1 stop7h 10m
United Airlines
Deal found 3/8$329

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$248
(United Airlines)
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
One-way flight from Lexington Blue Grass to Lambert-St Louis
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 March 12, 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 4/1

1:14 pm-6:07 pm

1 stop5h 53m

Lambert-St Louis

Sun 4/5

8:00 am-5:16 pm

2 stops8h 16m

$274

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 3/24

1:56 pm-6:00 pm

1 stop5h 04m

Lambert-St Louis

Sat 3/28

8:17 am-1:15 pm

1 stop3h 58m

$279

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 4/11

6:00 am-9:02 am

1 stop4h 02m

Lambert-St Louis

Sat 4/18

1:03 pm-7:41 pm

1 stop5h 38m

$311

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 4/7

7:55 pm-11:58 pm

1 stop5h 03m

Lambert-St Louis

Sat 4/18

1:03 pm-7:41 pm

1 stop5h 38m

$311
Quickest round-trip

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 4/10

5:49 pm-8:42 pm

1 stop3h 53m

Lambert-St Louis

Wed 4/15

9:59 am-4:07 pm

1 stop5h 08m

$311

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 8/29

6:00 pm-11:00 pm

1 stop6h 00m

Lambert-St Louis

Wed 9/2

5:32 pm-12:09 am

1 stop5h 37m

$329
Cheapest one-way
Quickest one-way

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 4/1

6:01 pm-9:52 pm

1 stop4h 51m

$248

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 4/9

7:00 am-11:47 am

1 stop5h 47m

$248

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 4/1

7:00 am-1:39 pm

2 stops7h 39m

$253

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 5/9

5:30 am-10:48 am

1 stop6h 18m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 12 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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

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 January is currently the most expensive (average of $292). 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 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 March 12, 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.
American Airlines
7.1
Good
11,435 reviews

Crew

8.0

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.1

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
11,435 reviews
American Airlines
7.1
Good
11,435 reviews

Crew

8.0

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.1

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 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 4h 02m. 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.

  • 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 January is currently the most expensive (average of $292). 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
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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$152Average$268FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights