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$132+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$239
(Delta)

One-way from

$132
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$283
From Lexington Blue Grass to Lambert-St Louis
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One-way flight from Lexington Blue Grass to Lambert-St Louis
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Highest demand for flights based on searches. 23% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($21 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 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 12, 2025.

This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 6/278:18 pmLEX - STL
1 stop4h 33mDelta
Sun 6/296:40 amSTL - LEX
1 stop3h 39mDelta
Deal found 6/9$239
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 7/36:48 pmLEX - STL
1 stop6h 02mAmerican Airlines
Sun 7/67:23 amSTL - LEX
1 stop3h 37mAmerican Airlines
Deal found 6/10$294
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 6/2711:00 amLEX - STL
1 stop4h 37mUnited Airlines
Tue 7/16:33 amSTL - LEX
1 stop5h 48mUnited Airlines
Deal found 6/12$324
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.
Thu 7/38:56 pmLEX - STL
1 stop17h 54mMultiple Airlines
Sun 7/66:36 amSTL - LEX
2 stops14h 17mMultiple Airlines
Deal found 6/10$398

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

Fly from

Lexington

Fly to

St. Louis

Route

Depart

Return

Price

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/27

8:18 pm-11:51 pm

1 stop4h 33m

Lambert-St Louis

Sun 6/29

6:40 am-11:19 am

1 stop3h 39m

$239

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 7/3

6:48 pm-11:50 pm

1 stop6h 02m

Lambert-St Louis

Sun 7/6

7:23 am-12:00 pm

1 stop3h 37m

$294

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/27

11:00 am-2:37 pm

1 stop4h 37m

Lambert-St Louis

Tue 7/1

6:33 am-1:21 pm

1 stop5h 48m

$324

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 7/3

8:56 pm-1:50 pm

1 stop17h 54m

Lambert-St Louis

Sun 7/6

6:36 am-9:53 pm

2 stops14h 17m

$398

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 7/10

10:00 am-9:52 am

2 stops24h 52m

$132

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 7/8

12:33 pm-4:22 pm

1 stop4h 49m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from Lexington to St. Louis (average of $311). Flying from Lexington to St. Louis in March is currently the most expensive (average of $356). 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 LEX to STL?

Find hourly flight availability from Lexington to St. Louis. 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 typically best to fly out from Lexington to St. Louis in the evening. Doing so could potentially save you 4% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 12, 2025.
Read through reviews of airlines operating flights from Lexington to St. Louis, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 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.

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

    According to our current data, Delta ($239), American Airlines ($294), and United Airlines ($324) offers the cheapest pricing from Lexington to St. Louis. Delta is 22% 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.

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

    Currently, August is the cheapest month in which you can book a flight from Lexington to St. Louis (average of $311). Flying from Lexington to St. Louis in March is currently the most expensive (average of $356). 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 Lexington?

Book flights to Lexington if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Top 2 airlines flying from Lexington to St. Louis

Discover the top 2 airlines 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$268FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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