$264+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LEX
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Lexington 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 St. Louis to Lexington
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Cheapest flights from St. Louis to LexingtonExplore 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 August 10, 2026.
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 August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/55:23 am -
1 stop4h 22m
Sat 9/127:18 pm -
1 stop4h 24m
Deal found 8/6![American Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/45:30 pm -
1 stop5h 25m
Thu 9/1010:10 am -
1 stop6h 28m
Deal found 8/7![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 9/184:59 pm -
1 stop6h 00m
Sun 9/205:57 pm -
1 stop6h 45m
Deal found 8/6![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 8/2810:22 am -
1 stop5h 03m
Sun 8/306:48 am -
1 stop7h 06m
Deal found 8/10![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 8/212:10 pm -
1 stop6h 18m
Sun 8/236:00 am -
1 stop4h 54m
Deal found 8/6![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/105:36 pm -
1 stop5h 19m
Tue 10/1310:11 am -
1 stop5h 06m
Deal found 8/6![United Airlines logo]()
$351
Best flights from St. Louis to LexingtonDiscover carefully curated flight deals from St. Louis to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from St. Louis to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:43 am -
1 stop6h 28m
Mon 9/145:57 pm -
1 stop4h 39m
Deal found 8/9![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/36:00 am -
1 stop4h 27m
Tue 9/86:59 pm -
1 stop6h 15m
Deal found 8/8![American Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 9/184:59 pm -
1 stop6h 00m
Sun 9/205:57 pm -
1 stop6h 45m
Deal found 8/6![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/59:31 am -
2 stops9h 02m
Sat 9/126:00 am -
2 stops8h 16m
Deal found 8/6![American Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 9/46:53 pm -
1 stop4h 02m
Mon 9/77:00 am -
1 stop4h 12m
Deal found 8/8![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/45:30 pm -
1 stop5h 25m
Thu 9/1010:10 am -
1 stop6h 28m
Deal found 8/7![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 8/212:10 pm -
1 stop6h 18m
Sun 8/236:00 am -
1 stop4h 54m
Deal found 8/6![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 8/289:32 am -
2 stops8h 11m
Sun 8/306:48 am -
1 stop7h 06m
Deal found 8/10![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/105:36 pm -
1 stop5h 19m
Tue 10/1310:11 am -
1 stop5h 06m
Deal found 8/8![United Airlines logo]()
$351
Last-minute flights from St. Louis to LexingtonDiscover last-minute flight deals from St. Louis to Lexington. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Lexington. Data last updated August 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 8/212:10 pm -
1 stop6h 18m
Sun 8/236:00 am -
1 stop4h 54m
Deal found 8/6![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 8/2810:22 am -
1 stop5h 03m
Sun 8/306:48 am -
1 stop7h 06m
Deal found 8/10![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/45:30 pm -
1 stop5h 25m
Thu 9/1010:10 am -
1 stop6h 28m
Deal found 8/7![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 9/43:25 pm -
1 stop4h 26m
Tue 9/87:13 pm -
1 stop4h 42m
Deal found 8/8![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/55:23 am -
1 stop4h 22m
Sat 9/127:18 pm -
1 stop4h 24m
Deal found 8/6![American Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 9/184:59 pm -
1 stop6h 00m
Sun 9/205:57 pm -
1 stop6h 45m
Deal found 8/6![Delta logo]()
$313
One-way flights from St. Louis to LexingtonSearch for one-way flight options from St. Louis to Lexington. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from St. Louis to Lexington. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/305:30 pm -
1 stop5h 25m
Deal found 8/7![United Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/195:45 pm -
1 stop5h 13m
Deal found 8/10![American Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/303:04 pm -
3 stops17h 20m
Deal found 8/7![Multiple Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 9/189:00 am -
2 stops14h 05m
Deal found 8/6![United Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 8/198:35 am -
2 stops10h 53m
Deal found 8/10![United Airlines logo]()
$997
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (American Airlines) |
One-way from | $264 (United Airlines) |
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 August 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
Cheapest round-trip
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Tue 9/8
9:43 am-5:11 pm
1 stop6h 28m
Lexington Blue Grass
Mon 9/14
5:57 pm-9:36 pm
1 stop4h 39m
$290
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Thu 9/3
6:00 am-11:27 am
1 stop4h 27m
Lexington Blue Grass
Tue 9/8
6:59 pm-12:14 am
1 stop6h 15m
$290
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Sat 9/5
9:31 am-7:33 pm
2 stops9h 02m
Lexington Blue Grass
Sat 9/12
6:00 am-1:16 pm
2 stops8h 16m
$291
Quickest round-trip
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 9/4
6:53 pm-11:55 pm
1 stop4h 02m
Lexington Blue Grass
Mon 9/7
7:00 am-10:12 am
1 stop4h 12m
$299
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 9/4
5:30 pm-11:55 pm
1 stop5h 25m
Lexington Blue Grass
Thu 9/10
10:10 am-3:38 pm
1 stop6h 28m
$299
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 9/18
4:59 pm-11:59 pm
1 stop6h 00m
Lexington Blue Grass
Sun 9/20
5:57 pm-11:42 pm
1 stop6h 45m
$313
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 8/28
9:32 am-6:43 pm
2 stops8h 11m
Lexington Blue Grass
Sun 8/30
6:48 am-12:54 pm
1 stop7h 06m
$334
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Fri 8/21
2:10 pm-9:28 pm
1 stop6h 18m
Lexington Blue Grass
Sun 8/23
6:00 am-9:54 am
1 stop4h 54m
$345
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Sat 10/10
5:36 pm-11:55 pm
1 stop5h 19m
Lexington Blue Grass
Tue 10/13
10:11 am-2:17 pm
1 stop5h 06m
$351
Cheapest one-way
St. LouisLexington
STL Lambert-St Louis - LEX Lexington Blue Grass
STLLEX
Lambert-St Louis
Sun 8/30
5:30 pm-11:55 pm
1 stop5h 25m
$264
Showing 1-10 of 14 resultsSorted by cheapest first
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 August.
| 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 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.
STL-LEX
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 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 August 10, 2026.
Read reviews from past customers who have flown Delta 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.
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Lexington?
Book flights to Lexington if you plan to visit one of these locationsSomerset
Richmond
Danville
Berea
Georgetown
Frankfort
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Other flights to Lexington
Explore flights to Lexington departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
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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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$417 | FlexibilityNo cancel fee | On-timeN/A |