$177+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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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
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Cheapest flights from Lexington to St. LouisExplore 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 July 24, 2026.
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 July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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 11/211:30 pm
LEX
- STL
1 stop5h 31m
Delta
Tue 11/247:20 am
STL
- LEX
1 stop4h 17m
Delta
Deal found 7/20![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 7/21. 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 9/187:18 pm
LEX
- STL
1 stop4h 24m
American Airlines
Sat 9/191:54 pm
STL
- LEX
1 stop5h 56m
American Airlines
Deal found 7/21![American Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 7/21. 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.
Tue 11/171:30 pm
LEX
- STL
1 stop5h 31m
Delta
Sat 11/216:00 am
STL
- LEX
1 stop5h 37m
Delta
Deal found 7/21![Delta logo]()
$281
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/57:13 pm
LEX
- STL
1 stop4h 27m
American Airlines
Sun 8/95:00 am
STL
- LEX
1 stop5h 27m
American Airlines
Deal found 7/21![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/22. 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 8/67:35 am
LEX
- STL
1 stop6h 39m
Delta
Sat 8/87:00 am
STL
- LEX
1 stop4h 11m
Delta
Deal found 7/22![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/75:00 pm
LEX
- STL
2 stops8h 14m
American Airlines
Tue 8/116:00 am
STL
- LEX
1 stop4h 27m
American Airlines
Deal found 7/23![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/23. 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 12/127:33 pm
LEX
- STL
1 stop4h 36m
United Airlines
Tue 12/151:08 pm
STL
- LEX
1 stop6h 15m
United Airlines
Deal found 7/23![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 7/258:10 pm
LEX
- STL
1 stop4h 48m
American Airlines
Sun 7/265:58 pm
STL
- LEX
1 stop5h 15m
American Airlines
Deal found 7/23![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/21. 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 11/1710:33 am
LEX
- STL
2 stops7h 10m
American Airlines
Sat 11/215:00 am
STL
- LEX
1 stop4h 51m
American Airlines
Deal found 7/21![American Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/63:05 pm
LEX
- STL
2 stops18h 52m
Multiple Airlines
Sun 8/94:09 pm
STL
- LEX
1 stop23h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$481
Best flights from Lexington to St. LouisDiscover carefully curated flight deals from Lexington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Lexington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/67:13 pm
LEX
- STL
1 stop4h 27m
American Airlines
Sun 8/96:25 pm
STL
- LEX
1 stop4h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/22. 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 8/610:10 am
LEX
- STL
1 stop5h 23m
Delta
Mon 8/106:00 am
STL
- LEX
1 stop5h 11m
Delta
Deal found 7/22![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/63:05 pm
LEX
- STL
2 stops18h 52m
Multiple Airlines
Sun 8/94:09 pm
STL
- LEX
1 stop23h 21m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1210:11 am
LEX
- STL
1 stop5h 46m
United Airlines
Wed 8/126:54 pm
STL
- LEX
1 stop4h 01m
United Airlines
Deal found 7/20![United Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/57:13 pm
LEX
- STL
1 stop4h 27m
American Airlines
Sun 8/95:00 am
STL
- LEX
1 stop5h 27m
American Airlines
Deal found 7/21![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/22. 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 8/67:35 am
LEX
- STL
1 stop6h 39m
Delta
Sat 8/87:00 am
STL
- LEX
1 stop4h 11m
Delta
Deal found 7/22![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/55:00 pm
LEX
- STL
1 stop6h 40m
American Airlines
Mon 8/103:25 pm
STL
- LEX
1 stop4h 26m
American Airlines
Deal found 7/21![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/75:00 pm
LEX
- STL
2 stops8h 14m
American Airlines
Tue 8/116:00 am
STL
- LEX
1 stop4h 27m
American Airlines
Deal found 7/23![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 7/21. 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 9/186:00 am
LEX
- STL
2 stops8h 16m
American Airlines
Sat 9/198:43 am
STL
- LEX
1 stop4h 05m
American Airlines
Deal found 7/21![American Airlines logo]()
$532
Last-minute flights from Lexington to St. LouisDiscover last-minute flight deals from Lexington to St. Louis. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to St. Louis. Data last updated July 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 7/258:10 pm
LEX
- STL
1 stop4h 48m
American Airlines
Sun 7/265:58 pm
STL
- LEX
1 stop5h 15m
American Airlines
Deal found 7/23![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/57:13 pm
LEX
- STL
1 stop4h 27m
American Airlines
Sun 8/95:00 am
STL
- LEX
1 stop5h 27m
American Airlines
Deal found 7/21![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/22. 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 8/67:35 am
LEX
- STL
1 stop6h 39m
Delta
Sat 8/87:00 am
STL
- LEX
1 stop4h 11m
Delta
Deal found 7/22![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/63:05 pm
LEX
- STL
2 stops18h 52m
Multiple Airlines
Sun 8/94:09 pm
STL
- LEX
1 stop23h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/65:00 pm
LEX
- STL
2 stops8h 14m
American Airlines
Sun 8/95:23 am
STL
- LEX
1 stop4h 22m
American Airlines
Deal found 7/21![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/75:00 pm
LEX
- STL
2 stops8h 14m
American Airlines
Tue 8/116:00 am
STL
- LEX
1 stop4h 27m
American Airlines
Deal found 7/23![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1210:11 am
LEX
- STL
1 stop5h 46m
United Airlines
Wed 8/126:54 pm
STL
- LEX
1 stop4h 01m
United Airlines
Deal found 7/20![United Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/175:00 pm
LEX
- STL
1 stop6h 40m
American Airlines
Thu 8/204:54 pm
STL
- LEX
1 stop5h 52m
American Airlines
Deal found 7/23![American Airlines logo]()
$527
One-way flights from Lexington to St. LouisSearch for one-way flight options from Lexington to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Lexington to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Mon 8/1011:41 am
LEX
- STL
2 stops30h 56m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 7/20. 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 9/36:00 am
LEX
- STL
1 stop4h 20m
Delta
Deal found 7/20![Delta logo]()
$259
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (American Airlines) |
One-way from | $177 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $396 |
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 July 24, 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
Cheapest round-trip
Quickest round-trip
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 8/6
7:13 pm-10:40 pm
1 stop4h 27m
Lambert-St Louis
Sun 8/9
6:25 pm-12:16 am
1 stop4h 51m
$319
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Wed 8/5
7:13 pm-10:40 pm
1 stop4h 27m
Lambert-St Louis
Sun 8/9
5:00 am-11:27 am
1 stop5h 27m
$319
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Wed 8/5
5:00 pm-10:40 pm
1 stop6h 40m
Lambert-St Louis
Mon 8/10
3:25 pm-8:51 pm
1 stop4h 26m
$319
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 8/6
10:10 am-2:33 pm
1 stop5h 23m
Lambert-St Louis
Mon 8/10
6:00 am-12:11 pm
1 stop5h 11m
$329
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 8/6
7:35 am-1:14 pm
1 stop6h 39m
Lambert-St Louis
Sat 8/8
7:00 am-12:11 pm
1 stop4h 11m
$329
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Fri 8/7
5:00 pm-12:14 am
2 stops8h 14m
Lambert-St Louis
Tue 8/11
6:00 am-11:27 am
1 stop4h 27m
$334
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 8/6
3:05 pm-8:57 am
2 stops18h 52m
Lambert-St Louis
Sun 8/9
4:09 pm-4:30 pm
1 stop23h 21m
$487
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Wed 8/12
10:11 am-2:57 pm
1 stop5h 46m
Lambert-St Louis
Wed 8/12
6:54 pm-11:55 pm
1 stop4h 01m
$511
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Fri 9/18
6:00 am-1:16 pm
2 stops8h 16m
Lambert-St Louis
Sat 9/19
8:43 am-1:48 pm
1 stop4h 05m
$532
Cheapest one-way
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Mon 8/10
11:41 am-1:21 pm
3 stops26h 40m
$219
Showing 1-10 of 11 resultsSorted 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
LEX-STL
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.
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 July 24, 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.
Boarding
7.5
Crew
7.9
Overall
7.1
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.5
Crew
7.9
Overall
7.1
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Lexington and St. Louis flights
Browse other Lexington and St. Louis flight options. Last updated on July 24, 2026.
Other flights from Lexington
Browse through other flights departing from Lexington. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$293 | FlexibilityNo cancel fee | On-time71% |