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Lexington

$121+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LEX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$229
(Delta)

One-way from

$121
(Mytrip)

Popular in

April

Cheapest in

August

Average price

$318
From Lambert-St Louis to Lexington Blue Grass
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One-way flight from Lambert-St Louis to Lexington Blue Grass
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Highest demand for flights based on searches. 22% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Lexington

Cheapest flights from St. Louis to Lexington
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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:11 pmSTL - LEX
1 stop3h 48mDelta
Mon 7/148:15 pmLEX - STL
1 stop4h 38mDelta
Deal found 6/10$229
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/214:32 pmSTL - LEX
1 stop4h 29mAmerican Airlines
Mon 8/255:15 pmLEX - STL
2 stops7h 36mAmerican Airlines
Deal found 6/10$234
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/276:36 pmSTL - LEX
3 stops24h 51mMultiple Airlines
Sun 6/299:58 amLEX - STL
2 stops33h 20mMultiple Airlines
Deal found 6/10$392
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/276:33 amSTL - LEX
1 stop5h 48mUnited Airlines
Tue 7/15:44 pmLEX - STL
1 stop6h 01mUnited Airlines
Deal found 6/12$471

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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Lexington that are best for you.

Fly from

St. Louis

Fly to

Lexington

Route

Depart

Return

Price

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Mon 7/7

7:11 pm-11:59 pm

1 stop3h 48m

Lexington Blue Grass

Mon 7/14

8:15 pm-11:53 pm

1 stop4h 38m

$229

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Thu 8/21

4:32 pm-10:01 pm

1 stop4h 29m

Lexington Blue Grass

Mon 8/25

5:15 pm-11:51 pm

2 stops7h 36m

$234

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 6/27

6:36 pm-8:27 pm

3 stops24h 51m

Lexington Blue Grass

Sun 6/29

9:58 am-6:18 pm

2 stops33h 20m

$392

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Fri 6/27

6:33 am-1:21 pm

1 stop5h 48m

Lexington Blue Grass

Tue 7/1

5:44 pm-10:45 pm

1 stop6h 01m

$471

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Wed 7/16

11:24 am-8:51 pm

1 stop8h 27m

$121

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 7/5

6:00 am-12:17 pm

1 stop5h 17m

$217

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sun 7/6

7:23 am-12:00 pm

1 stop3h 37m

$228

St. LouisLexington

STL - LEX

STLLEX

Lambert-St Louis

Sat 7/5

8:15 am-8:21 pm

2 stops11h 06m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.
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 St. Louis to Lexington

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $303). Flying from St. Louis to Lexington in April is currently the most expensive (average of $390). 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 STL to LEX?

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

It’s optimal to fly from St. Louis to Lexington at noon. By choosing this option you can save up to 2% on the cost of your flight, compared to a flight in the morning.

Rainfall in Lexington by month

Plan your trip to Lexington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

Temperature in Lexington by month

Plan your trip to Lexington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lexington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from St. Louis to Lexington, such as Delta, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from St. Louis to Lexington round-trip?

    Our cheapest airline available from St. Louis to Lexington is Delta. Our recent data shows that you can find tickets from as low as $229 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $234 and $471 round-trip. Delta is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Lexington one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $217. American Airlines flights start at $228 while deals on United Airlines start at $609 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Lexington (average of $303). Flying from St. Louis to Lexington in April is currently the most expensive (average of $390). 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
Georgetown
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Berea

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Top 3 airlines flying from St. Louis to Lexington

Discover the top 3 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$341FlexibilityNo cancel feeOn-time69%

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