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Cheap flights from Kentucky to St. Louis from $135

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:29 am - 4:43 pmLEX  Lexington Blue Grass-STL Lambert-St Louis
6h 14m1 stop Chicago O'Hare Intl
American Airlines Logo
5:29 pm - 11:42 pmSTL  Lambert-St Louis-LEX Lexington Blue Grass
5h 13m1 stop Chicago O'Hare Intl
$301American Airlines
Wed, Nov 18 - Sat, Nov 21
American Airlines Logo
11:14 am - 4:51 pmLEX  Lexington Blue Grass-STL Lambert-St Louis
6h 37m1 stop Chicago O'Hare Intl
American Airlines Logo
1:58 pm - 8:55 pmSTL  Lambert-St Louis-LEX Lexington Blue Grass
5h 57m1 stop Charlotte Douglas
$301American Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
5:25 am - 10:32 amLEX  Lexington Blue Grass-STL Lambert-St Louis
6h 07m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 pm - 11:54 pmSTL  Lambert-St Louis-LEX Lexington Blue Grass
4h 04m1 stop Chicago O'Hare Intl
$301United Airlines
Wed, Nov 18 - Sat, Nov 21
American Airlines Logo
1:14 pm - 7:22 pmSDF  Louisville Intl-STL Lambert-St Louis
7h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 9:37 pmSTL  Lambert-St Louis-SDF Louisville Intl
14h 37m1 stop Chicago O'Hare Intl
$303American Airlines
Thu, Nov 12 - Thu, Nov 19
American Airlines Logo
12:45 pm - 12:19 amSDF  Louisville Intl-STL Lambert-St Louis
12h 34m1 stop Chicago O'Hare Intl
American Airlines Logo
7:25 am - 5:13 pmSTL  Lambert-St Louis-SDF Louisville Intl
8h 48m1 stop Chicago O'Hare Intl
$303American Airlines
Mon, Oct 26 - Mon, Nov 2
American Airlines Logo
6:27 am - 4:43 pmSDF  Louisville Intl-STL Lambert-St Louis
11h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
7:26 am - 5:13 pmSTL  Lambert-St Louis-SDF Louisville Intl
8h 47m1 stop Chicago O'Hare Intl
$303American Airlines
Thu, Nov 12 - Thu, Nov 19
American Airlines Logo
10:08 am - 4:53 pmSDF  Louisville Intl-STL Lambert-St Louis
7h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
7:28 am - 9:35 pmSTL  Lambert-St Louis-SDF Louisville Intl
13h 07m1 stop Chicago O'Hare Intl
$303American Airlines
Tue, Oct 20 - Sat, Oct 24
American Airlines Logo
9:17 am - 4:51 pmLEX  Lexington Blue Grass-STL Lambert-St Louis
8h 34m2 stops Charlotte Douglas Chicago O'Hare Intl
American Airlines Logo
5:00 am - 10:56 amSTL  Lambert-St Louis-LEX Lexington Blue Grass
4h 56m1 stop Chicago O'Hare Intl
$306American Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
7:10 am - 10:32 amLEX  Lexington Blue Grass-STL Lambert-St Louis
4h 22m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 10:13 amSTL  Lambert-St Louis-LEX Lexington Blue Grass
4h 13m1 stop Chicago O'Hare Intl
$310United Airlines
Wed, Nov 18 - Sun, Nov 22
Delta Logo
10:39 am - 1:53 pmSDF  Louisville Intl-STL Lambert-St Louis
4h 14m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:35 pm - 11:59 pmSTL  Lambert-St Louis-SDF Louisville Intl
5h 24m1 stop Atlanta Hartsfield-Jackson
$315Delta
Wed, Oct 21 - Mon, Oct 26

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Delta flights from Kentucky to St. Louis

Our best Delta deals on Kentucky to St. Louis flight tickets
Delta
Oct 20
SDF10:39 amLouisville Intl
4h 14m
1 stop
STL1:53 pmLambert-St Louis
Oct 24
STL4:22 pmLambert-St Louis
3h 51m
1 stop
SDF9:13 pmLouisville Intl
$315
Delta
Oct 20
SDF3:26 pmLouisville Intl
3h 49m
1 stop
STL6:15 pmLambert-St Louis
Oct 23
STL5:35 pmLambert-St Louis
4h 02m
1 stop
SDF10:37 pmLouisville Intl
$327
Delta
Oct 25
SDF6:00 amLouisville Intl
4h 09m
1 stop
STL9:09 amLambert-St Louis
Oct 28
STL2:38 pmLambert-St Louis
5h 35m
1 stop
SDF9:13 pmLouisville Intl
$360

American Airlines flights from Kentucky to St. Louis

Our best American Airlines deals on Kentucky to St. Louis flight tickets
American Airlines
Nov 12
SDF6:27 amLouisville Intl
11h 16m
1 stop
STL4:43 pmLambert-St Louis
Nov 19
STL7:26 amLambert-St Louis
8h 47m
1 stop
SDF5:13 pmLouisville Intl
$303
American Airlines
Oct 31
LEX9:17 amLexington Blue Grass
8h 34m
2 stops
STL4:51 pmLambert-St Louis
Nov 7
STL5:00 amLambert-St Louis
4h 56m
1 stop
LEX10:56 amLexington Blue Grass
$306
American Airlines
Oct 17
LEX5:00 amLexington Blue Grass
4h 37m
1 stop
STL8:37 amLambert-St Louis
Oct 19
STL5:00 amLambert-St Louis
4h 44m
1 stop
LEX10:44 amLexington Blue Grass
$319

momondo Fare Finder

 
Use the filters below to find and compare flights from Kentucky to St. Louis that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

LexingtonSt. Louis

LEX Lexington Blue Grass - STL Lambert-St Louis

LEXSTL

Lexington Blue Grass

Wed 11/18

11:29 am-4:43 pm

1 stop6h 14m

Lambert-St Louis

Sat 11/21

5:29 pm-11:42 pm

1 stop5h 13m

$301

LexingtonSt. Louis

LEX Lexington Blue Grass - STL Lambert-St Louis

LEXSTL

Lexington Blue Grass

Sat 10/31

11:14 am-4:51 pm

1 stop6h 37m

Lambert-St Louis

Sat 11/7

1:58 pm-8:55 pm

1 stop5h 57m

$301

LexingtonSt. Louis

LEX Lexington Blue Grass - STL Lambert-St Louis

LEXSTL

Lexington Blue Grass

Wed 11/18

5:25 am-10:32 am

1 stop6h 07m

Lambert-St Louis

Sat 11/21

6:50 pm-11:54 pm

1 stop4h 04m

$301

LouisvilleSt. Louis

SDF Louisville Intl - STL Lambert-St Louis

SDFSTL

Louisville Intl

Thu 11/12

1:14 pm-7:22 pm

1 stop7h 08m

Lambert-St Louis

Thu 11/19

6:00 am-9:37 pm

1 stop14h 37m

$303

LouisvilleSt. Louis

SDF Louisville Intl - STL Lambert-St Louis

SDFSTL

Louisville Intl

Mon 10/26

12:45 pm-12:19 am

1 stop12h 34m

Lambert-St Louis

Mon 11/2

7:25 am-5:13 pm

1 stop8h 48m

$303

LouisvilleSt. Louis

SDF Louisville Intl - STL Lambert-St Louis

SDFSTL

Louisville Intl

Thu 11/12

6:27 am-4:43 pm

1 stop11h 16m

Lambert-St Louis

Thu 11/19

7:26 am-5:13 pm

1 stop8h 47m

$303

LouisvilleSt. Louis

SDF Louisville Intl - STL Lambert-St Louis

SDFSTL

Louisville Intl

Tue 10/20

10:08 am-4:53 pm

1 stop7h 45m

Lambert-St Louis

Sat 10/24

7:28 am-9:35 pm

1 stop13h 07m

$303

LexingtonSt. Louis

LEX Lexington Blue Grass - STL Lambert-St Louis

LEXSTL

Lexington Blue Grass

Sat 10/31

9:17 am-4:51 pm

2 stops8h 34m

Lambert-St Louis

Sat 11/7

5:00 am-10:56 am

1 stop4h 56m

$306
Quickest round-trip

LexingtonSt. Louis

LEX Lexington Blue Grass - STL Lambert-St Louis

LEXSTL

Lexington Blue Grass

Wed 11/18

7:10 am-10:32 am

1 stop4h 22m

Lambert-St Louis

Sun 11/22

5:00 am-10:13 am

1 stop4h 13m

$310

LouisvilleSt. Louis

SDF Louisville Intl - STL Lambert-St Louis

SDFSTL

Louisville Intl

Wed 10/21

10:39 am-1:53 pm

1 stop4h 14m

Lambert-St Louis

Mon 10/26

5:35 pm-11:59 pm

1 stop5h 24m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Kentucky 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 month to fly to St. Louis?

In general, December is the cheapest month to fly from Kentucky 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 November is another great option to travel to St. Louis, with average flight prices from Kentucky averaging around $228.

Cheap Kentucky to St. Louis flight deals and tips

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

Best Price Found

$135

Fastest flight time

1h 10m

Direct flights

None
The best one-way flight to St. Louis from Kentucky in the past 72 hours is $135. The best round-trip flight deal from Kentucky to St. Louis found on momondo in the last 72 hours is $301.
The fastest flight from Kentucky to St. Louis takes 1h 10m
There are no direct flights from Kentucky to St. Louis. There are no popular flight routes from Kentucky to St. Louis.
Search flight deals

Frequently asked questions about flying from Kentucky to St. Louis

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

    Prices for flights from Kentucky to Lambert-St Louis Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to St. Louis

Compare and see reviews for airlines that fly from Kentucky to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $228Free CancellationRating
7.0
12,096 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
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
Farmington
Clayton
Festus
O'Fallon
Fenton
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

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

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

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

All flight searches from Kentucky to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Kentucky to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Kentucky to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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