Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Lexington to St. Louis from $271

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to St. Louis departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lexington to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:30 am - 12:34 pm
LEX
-
STL
5h 04m
1 stop
Delta Logo
9:24 am - 5:10 pm
STL
-
LEX
6h 46m
1 stop
$271Delta
Sat, Jul 4 - Tue, Jul 7
American Airlines Logo
4:35 pm - 8:03 pm
LEX
-
STL
4h 28m
1 stop
American Airlines Logo
7:32 am - 12:34 pm
STL
-
LEX
4h 02m
1 stop
$280American Airlines
Fri, Jul 3 - Fri, Jul 10
American Airlines Logo
8:10 pm - 11:58 pm
LEX
-
STL
4h 48m
1 stop
American Airlines Logo
6:13 pm - 11:59 pm
STL
-
LEX
4h 46m
1 stop
$296American Airlines
Sat, Aug 1 - Mon, Aug 3
United Airlines Logo
9:52 am - 3:38 pm
LEX
-
STL
6h 46m
1 stop
United Airlines Logo
8:00 am - 1:16 pm
STL
-
LEX
4h 16m
1 stop
$341United Airlines
Wed, Aug 26 - Sat, Aug 29
Delta Logo
5:56 pm - 11:56 pm
LEX
-
STL
7h 00m
1 stop
Delta Logo
4:00 pm - 12:04 am
STL
-
LEX
7h 04m
1 stop
$343Delta
Fri, Jun 19 - Sat, Jun 20
Delta Logo
7:59 pm - 11:56 pm
LEX
-
STL
4h 57m
1 stop
Delta Logo
7:08 am - 2:43 pm
STL
-
LEX
6h 35m
1 stop
$369Delta
Fri, Jun 19 - Sun, Jun 21
Delta Logo
7:59 pm - 11:53 pm
LEX
-
STL
4h 54m
1 stop
Delta Logo
7:08 am - 12:17 pm
STL
-
LEX
4h 09m
1 stop
$384Delta
Fri, Jul 17 - Sun, Jul 19
Delta Logo
6:00 am - 9:43 am
LEX
-
STL
4h 43m
1 stop
Delta Logo
1:54 pm - 9:18 pm
STL
-
LEX
6h 24m
1 stop
$399Delta
Wed, Jul 8 - Sun, Jul 12
Delta Logo
8:32 pm - 11:56 pm
LEX
-
STL
4h 24m
1 stop
Delta Logo
1:54 pm - 9:18 pm
STL
-
LEX
6h 24m
1 stop
$413Delta
Mon, Jul 6 - Sun, Jul 12
American Airlines Logo
5:00 pm - 10:55 pm
LEX
-
STL
6h 55m
1 stop
American Airlines Logo
8:07 pm - 11:17 am
STL
-
LEX
14h 10m
1 stop
$423American Airlines
Tue, Sep 1 - Fri, Sep 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Lexington to St. Louis

Our best American Airlines deals on Lexington to St. Louis flight tickets
American Airlines
Jul 3
LEX4:35 pmLexington Blue Grass
4h 28m
1 stop
STL8:03 pmLambert-St Louis
Jul 10
STL7:32 amLambert-St Louis
4h 02m
1 stop
LEX12:34 pmLexington Blue Grass
$280
American Airlines
Aug 1
LEX8:10 pmLexington Blue Grass
4h 48m
1 stop
STL11:58 pmLambert-St Louis
Aug 3
STL6:13 pmLambert-St Louis
4h 46m
1 stop
LEX11:59 pmLexington Blue Grass
$296
American Airlines
Jun 14
LEX5:00 amLexington Blue Grass
4h 32m
1 stop
STL8:32 amLambert-St Louis
Jul 6
STL6:13 pmLambert-St Louis
4h 46m
1 stop
LEX11:59 pmLexington Blue Grass
$334

United Airlines flights from Lexington to St. Louis

Our best United Airlines deals on Lexington to St. Louis flight tickets
United Airlines
Aug 26
LEX9:52 amLexington Blue Grass
6h 46m
1 stop
STL3:38 pmLambert-St Louis
Aug 29
STL7:25 amLambert-St Louis
4h 51m
1 stop
LEX1:16 pmLexington Blue Grass
$341
United Airlines
Jul 4
LEX1:55 pmLexington Blue Grass
4h 32m
1 stop
STL5:27 pmLambert-St Louis
Jul 10
STL5:59 pmLambert-St Louis
5h 00m
1 stop
LEX11:59 pmLexington Blue Grass
$430
United Airlines
Jun 23
LEX7:00 amLexington Blue Grass
6h 11m
1 stop
STL12:11 pmLambert-St Louis
Jun 27
STL10:20 amLambert-St Louis
5h 43m
1 stop
LEX5:03 pmLexington Blue Grass
$459

momondo 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, momondo users made 832,500 searches. Data last updated June 10, 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

Sat 7/4

8:30 am-12:34 pm

1 stop5h 04m

Lambert-St Louis

Tue 7/7

9:24 am-5:10 pm

1 stop6h 46m

$271
Quickest round-trip

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 7/3

4:35 pm-8:03 pm

1 stop4h 28m

Lambert-St Louis

Fri 7/10

7:32 am-12:34 pm

1 stop4h 02m

$280

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 8/1

8:10 pm-11:58 pm

1 stop4h 48m

Lambert-St Louis

Mon 8/3

6:13 pm-11:59 pm

1 stop4h 46m

$296

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 8/26

9:52 am-3:38 pm

1 stop6h 46m

Lambert-St Louis

Sat 8/29

8:00 am-1:16 pm

1 stop4h 16m

$341

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/19

5:56 pm-11:56 pm

1 stop7h 00m

Lambert-St Louis

Sat 6/20

4:00 pm-12:04 am

1 stop7h 04m

$343

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 6/19

7:59 pm-11:56 pm

1 stop4h 57m

Lambert-St Louis

Sun 6/21

7:08 am-2:43 pm

1 stop6h 35m

$369

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 7/17

7:59 pm-11:53 pm

1 stop4h 54m

Lambert-St Louis

Sun 7/19

7:08 am-12:17 pm

1 stop4h 09m

$384

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Wed 7/8

6:00 am-9:43 am

1 stop4h 43m

Lambert-St Louis

Sun 7/12

1:54 pm-9:18 pm

1 stop6h 24m

$399

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Mon 7/6

8:32 pm-11:56 pm

1 stop4h 24m

Lambert-St Louis

Sun 7/12

1:54 pm-9:18 pm

1 stop6h 24m

$413

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 9/1

5:00 pm-10:55 pm

1 stop6h 55m

Lambert-St Louis

Fri 9/4

8:07 pm-11:17 am

1 stop14h 10m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Lexington to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Lexington and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, December is the cheapest month to fly from Lexington to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of July is another great option to travel to St. Louis, with average flight prices from Lexington averaging around $0.

When to book flights from Lexington to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Lexington to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lexington to St. Louis (LEX to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lexington to St. Louis

Fastest flight time

4h 45m

Direct flights

None
The fastest flight from Lexington to St. Louis takes 4h 45m
There are no direct flights from Lexington to St. Louis. There are no popular flight routes from Lexington to St. Louis.
Search flight deals

Frequently asked questions about flying from Lexington to St. Louis

  • How far is Lexington Blue Grass to Lambert-St Louis by plane?

    There are 311.1 mi between Lexington Blue Grass and Lambert-St Louis. By plane, this route typically takes 4h 45m.

  • When did momondo last update prices for flights from Lexington Blue Grass Airport to Lambert-St Louis Airport?

    Prices for flights from Lexington Blue Grass Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lexington Blue Grass Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Lexington Blue Grass Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lexington Blue Grass Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Lexington to St. Louis?

Best airlines flying from Lexington to St. Louis

Compare and see reviews for airlines that fly from Lexington to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $152Free CancellationRating
7.1
11,636 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Clayton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Lexington to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Lexington to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Lexington to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Lexington to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Lexington to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Lexington.

I’m not ready to book a flight from Lexington to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Lexington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/10
Fri 7/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States