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Cheap flights from Kentucky to St. Louis from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to St. Louis departing on 10/17. 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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0 bags

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Find the cheapest flights from Kentucky to St. Louis

Cheap round-trip flights

Southern / Mokulele Logo
2:35 pm - 6:36 pmBNA-STL
4h 01m1 stop
Southern / Mokulele Logo
9:50 am - 1:48 pmSTL-BNA
3h 58m1 stop
$157Southern / Mokulele
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Fri, Sep 26 - Sat, Sep 27
Frontier Logo
5:20 am - 1:02 pmCVG-STL
8h 42m1 stop
Frontier Logo
10:49 am - 11:59 pmSTL-CVG
12h 10m1 stop
$159Frontier
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Mon, Sep 29 - Thu, Oct 2
United Airlines Logo
3:01 pm - 10:14 pmBNA-STL
7h 13m1 stop
United Airlines Logo
7:00 am - 4:01 pmSTL-BNA
9h 01m1 stop
$179United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Multiple Airlines Logo
2:35 pm - 6:36 pmBNA-STL
4h 01m1 stop
Multiple Airlines Logo
7:52 pm - 10:40 amSTL-BNA
14h 48m1 stop
$183Multiple Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 12
Multiple Airlines Logo
2:35 pm - 6:36 pmBNA-STL
4h 01m1 stop
Multiple Airlines Logo
10:57 am - 8:38 pmSTL-BNA
9h 41m1 stop
$203Multiple Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 16
Southwest Logo
9:40 pm - 10:55 pmBNA-STL
1h 15mnonstop
Southwest Logo
6:15 am - 7:25 amSTL-BNA
1h 10mnonstop
$215Southwest
Find Deal
Mon, Oct 13 - Mon, Oct 20
Southwest Logo
9:40 pm - 10:55 pmBNA-STL
1h 15mnonstop
Southwest Logo
3:50 pm - 9:00 pmSTL-BNA
5h 10m1 stop
$225Southwest
Find Deal
Mon, Oct 13 - Mon, Oct 20
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
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Thu, Oct 23 - Tue, Oct 28
American Airlines Logo
7:16 am - 4:36 pmCVG-STL
10h 20m1 stop
American Airlines Logo
6:45 pm - 11:58 pmSTL-CVG
4h 13m1 stop
$239American Airlines
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Wed, Nov 19 - Sat, Nov 22
United Airlines Logo
7:00 am - 10:49 amTYS-STL
4h 49m1 stop
United Airlines Logo
5:00 am - 10:10 amSTL-TYS
4h 10m1 stop
$265United Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19

Southern / Mokulele flights from Kentucky to St. Louis

Our best Southern / Mokulele deals on Kentucky to St. Louis flight tickets
Southern / Mokulele
Sep 26
BNA2:35 pmNashville Intl
4h 01m
1 stop
STL6:36 pmLambert-St Louis
Sep 27
STL9:50 amLambert-St Louis
3h 58m
1 stop
BNA1:48 pmNashville Intl
$157
Find similar
Southern / Mokulele
Oct 17
BNA2:35 pmNashville Intl
4h 01m
1 stop
STL6:36 pmLambert-St Louis
Oct 20
STL9:50 amLambert-St Louis
3h 58m
1 stop
BNA1:48 pmNashville Intl
$173
Find similar
Southern / Mokulele
Oct 12
BNA2:35 pmNashville Intl
4h 01m
1 stop
STL6:36 pmLambert-St Louis
Oct 13
STL9:50 amLambert-St Louis
3h 58m
1 stop
BNA1:48 pmNashville Intl
$197
Find similar

United Airlines flights from Kentucky to St. Louis

Our best United Airlines deals on Kentucky to St. Louis flight tickets
United Airlines
Mar 3
BNA3:01 pmNashville Intl
7h 13m
1 stop
STL10:14 pmLambert-St Louis
Mar 4
STL7:00 amLambert-St Louis
9h 01m
1 stop
BNA4:01 pmNashville Intl
$179
Find similar
United Airlines
Oct 15
TYS7:00 amKnoxville McGhee Tyson
4h 49m
1 stop
STL10:49 amLambert-St Louis
Oct 19
STL5:00 amLambert-St Louis
4h 10m
1 stop
TYS10:10 amKnoxville McGhee Tyson
$265
Find similar
United Airlines
Oct 14
TYS8:50 amKnoxville McGhee Tyson
6h 37m
1 stop
STL2:27 pmLambert-St Louis
Oct 21
STL12:25 pmLambert-St Louis
7h 15m
1 stop
TYS8:40 pmKnoxville McGhee Tyson
$311
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky 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 Kentucky to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Fri 9/26

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Sat 9/27

9:50 am-1:48 pm

1 stop3h 58m

$157

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Mon 9/29

5:20 am-1:02 pm

1 stop8h 42m

Lambert-St Louis

Thu 10/2

10:49 am-11:59 pm

1 stop12h 10m

$159

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 3/3

3:01 pm-10:14 pm

1 stop7h 13m

Lambert-St Louis

Wed 3/4

7:00 am-4:01 pm

1 stop9h 01m

$179

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sun 10/5

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Sun 10/12

7:52 pm-10:40 am

1 stop14h 48m

$183

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Thu 10/2

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Thu 10/16

10:57 am-8:38 pm

1 stop9h 41m

$203

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Mon 10/13

9:40 pm-10:55 pm

Nonstop1h 15m

Lambert-St Louis

Mon 10/20

6:15 am-7:25 am

Nonstop1h 10m

$215

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Mon 10/13

9:40 pm-10:55 pm

Nonstop1h 15m

Lambert-St Louis

Mon 10/20

3:50 pm-9:00 pm

1 stop5h 10m

$225

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

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 11/19

7:16 am-4:36 pm

1 stop10h 20m

Lambert-St Louis

Sat 11/22

6:45 pm-11:58 pm

1 stop4h 13m

$239

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Wed 10/15

7:00 am-10:49 am

1 stop4h 49m

Lambert-St Louis

Sun 10/19

5:00 am-10:10 am

1 stop4h 10m

$265

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $297. 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 Thursday because tickets tend to average around $475. 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 Kentucky in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $304 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $344 per ticket.

What is the cheapest Kentucky to Lambert-St Louis flight route?

Fly from Louisville Intl to Lambert-St Louis for the best Kentucky - Lambert-St Louis flight prices

What cabin class options are available on Kentucky to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on Kentucky to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Fastest flight time

1h 15m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in St. Louis

1 airport
The fastest flight from Kentucky to St. Louis takes 1h 15m
Direct flights go from Kentucky to St. Louis on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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
DeltaPriceFrom $204Free 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 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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