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Cheap flights from Lexington to St. Louis from $228

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to St. Louis departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lexington to St. Louis

Cheap round-trip flights

American Airlines Logo
8:02 pm - 11:58 pmLEX-STL
4h 56m1 stop
American Airlines Logo
7:00 am - 1:51 pmSTL-LEX
5h 51m1 stop
$229American Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
American Airlines Logo
11:09 am - 3:37 pmLEX-STL
5h 28m1 stop
American Airlines Logo
5:18 am - 12:00 pmSTL-LEX
5h 42m1 stop
$239American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
7:19 pm - 11:54 pmLEX-STL
5h 35m1 stop
American Airlines Logo
5:11 am - 11:40 amSTL-LEX
5h 29m1 stop
$259American Airlines
Find Deal
Sat, Oct 18 - Sun, Oct 19
Multiple Airlines Logo
7:25 pm - 10:16 amLEX-STL
15h 51m2 stops
Multiple Airlines Logo
6:05 pm - 1:45 pmSTL-LEX
18h 40m1 stop
$315Multiple Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
7:15 pm - 11:07 pmLEX-STL
4h 52m1 stop
American Airlines Logo
6:10 am - 2:05 pmSTL-LEX
6h 55m2 stops
$348American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
11:12 am - 11:54 pmLEX-STL
13h 42m1 stop
American Airlines Logo
6:00 am - 10:42 amSTL-LEX
3h 42m1 stop
$351American Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
United Airlines Logo
10:37 am - 3:44 pmLEX-STL
6h 07m1 stop
United Airlines Logo
4:55 pm - 1:17 pmSTL-LEX
19h 22m2 stops
$399United Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
United Airlines Logo
6:01 pm - 9:52 amLEX-STL
16h 51m2 stops
United Airlines Logo
5:28 pm - 11:59 pmSTL-LEX
5h 31m1 stop
$445United Airlines
Find Deal
Sat, Oct 18 - Sun, Oct 19
Delta Logo
5:56 pm - 11:24 pmLEX-STL
6h 28m1 stop
Delta Logo
10:40 am - 5:08 pmSTL-LEX
5h 28m1 stop
$559Delta
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Mon, Sep 29 - Thu, Oct 2
United Airlines Logo
7:33 pm - 12:44 pmLEX-STL
18h 11m2 stops
United Airlines Logo
5:24 pm - 1:17 pmSTL-LEX
18h 53m1 stop
$611United Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28

American Airlines flights from Lexington to St. Louis

Our best American Airlines deals on Lexington to St. Louis flight tickets
American Airlines
Oct 23
LEX8:02 pmLexington Blue Grass
4h 56m
1 stop
STL11:58 pmLambert-St Louis
Oct 28
STL7:00 amLambert-St Louis
5h 51m
1 stop
LEX1:51 pmLexington Blue Grass
$229
Find similar
American Airlines
Sep 30
LEX11:09 amLexington Blue Grass
5h 28m
1 stop
STL3:37 pmLambert-St Louis
Oct 4
STL5:18 amLambert-St Louis
5h 42m
1 stop
LEX12:00 pmLexington Blue Grass
$239
Find similar
American Airlines
Oct 18
LEX7:19 pmLexington Blue Grass
5h 35m
1 stop
STL11:54 pmLambert-St Louis
Oct 19
STL5:11 amLambert-St Louis
5h 29m
1 stop
LEX11:40 amLexington Blue Grass
$259
Find similar

United Airlines flights from Lexington to St. Louis

Our best United Airlines deals on Lexington to St. Louis flight tickets
United Airlines
Oct 23
LEX10:37 amLexington Blue Grass
6h 07m
1 stop
STL3:44 pmLambert-St Louis
Oct 28
STL4:55 pmLambert-St Louis
19h 22m
2 stops
LEX1:17 pmLexington Blue Grass
$399
Find similar
United Airlines
Oct 18
LEX6:01 pmLexington Blue Grass
16h 51m
2 stops
STL9:52 amLambert-St Louis
Oct 19
STL5:28 pmLambert-St Louis
5h 31m
1 stop
LEX11:59 pmLexington Blue Grass
$445
Find similar
United Airlines
Oct 24
LEX7:33 pmLexington Blue Grass
18h 11m
2 stops
STL12:44 pmLambert-St Louis
Oct 28
STL5:24 pmLambert-St Louis
18h 53m
1 stop
LEX1:17 pmLexington Blue Grass
$611
Find similar

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 September 16, 2025.
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

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 10/23

8:02 pm-11:58 pm

1 stop4h 56m

Lambert-St Louis

Tue 10/28

7:00 am-1:51 pm

1 stop5h 51m

$229

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 9/30

11:09 am-3:37 pm

1 stop5h 28m

Lambert-St Louis

Sat 10/4

5:18 am-12:00 pm

1 stop5h 42m

$239

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 10/18

7:19 pm-11:54 pm

1 stop5h 35m

Lambert-St Louis

Sun 10/19

5:11 am-11:40 am

1 stop5h 29m

$259

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 10/23

7:25 pm-10:16 am

2 stops15h 51m

Lambert-St Louis

Mon 10/27

6:05 pm-1:45 pm

1 stop18h 40m

$315

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Tue 9/30

7:15 pm-11:07 pm

1 stop4h 52m

Lambert-St Louis

Sat 10/4

6:10 am-2:05 pm

2 stops6h 55m

$348

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 10/24

11:12 am-11:54 pm

1 stop13h 42m

Lambert-St Louis

Tue 10/28

6:00 am-10:42 am

1 stop3h 42m

$351

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 10/23

10:37 am-3:44 pm

1 stop6h 07m

Lambert-St Louis

Tue 10/28

4:55 pm-1:17 pm

2 stops19h 22m

$399

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Sat 10/18

6:01 pm-9:52 am

2 stops16h 51m

Lambert-St Louis

Sun 10/19

5:28 pm-11:59 pm

1 stop5h 31m

$445

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Mon 9/29

5:56 pm-11:24 pm

1 stop6h 28m

Lambert-St Louis

Thu 10/2

10:40 am-5:08 pm

1 stop5h 28m

$559

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Fri 10/24

7:33 pm-12:44 pm

2 stops18h 11m

Lambert-St Louis

Tue 10/28

5:24 pm-1:17 pm

1 stop18h 53m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $233. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $380. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Lexington in the evening is the least expensive time of day to depart. momondo users have found prices as low as $278 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $288 per ticket.

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

Direct flights

None
There are no direct flights from Lexington to St. Louis. There are no popular flight routes from Lexington to St. Louis.
Search flight deals

  • 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 52m.

  • 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
DeltaPriceFrom $228Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
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.

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