How many flights depart from St. Louis to Kentucky on average per week?

The number of flights available between St. Louis and Kentucky is 20 per week as of May 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

What is the cheapest airline that flies from Lambert-St Louis to Kentucky?

Frontier, Southwest, and Delta are the most popular carriers operating from Lambert-St Louis to Kentucky

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

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

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

As of May 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Kentucky.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The travel and health documents you'll need for your trip to Kentucky may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$59 Cheap Flights from St. Louis to Kentucky in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Kentucky

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:06 pm - 11:14 am

STL

CVG

17h 08m

1 stop

12:54 pm - 8:52 am

CVG

STL

20h 58m

1 stop

$124Frontier

Mon, Jun 22 - Fri, Jun 26

5:06 pm - 11:14 am

STL

CVG

17h 08m

1 stop

12:24 pm - 8:52 am

CVG

STL

21h 28m

1 stop

$126Frontier

Mon, Jun 15 - Sun, Jun 21

3:10 pm - 4:20 pm

STL

BNA

1h 10mnonstop

4:05 pm - 5:25 pm

BNA

STL

1h 20mnonstop

$137Southwest

Tue, Jun 16 - Tue, Jun 23

6:00 am - 11:33 am

STL

BNA

5h 33m

1 stop

6:55 pm - 11:53 pm

BNA

STL

4h 58m

1 stop

$147Delta

Tue, Jun 30 - Wed, Jul 8

7:08 am - 11:33 am

STL

BNA

4h 25m

1 stop

4:30 pm - 10:18 pm

BNA

STL

5h 48m

1 stop

$157Delta

Tue, Jun 16 - Tue, Jun 23

8:08 pm - 9:45 am

STL

BNA

13h 37m

1 stop

2:35 pm - 6:36 pm

BNA

STL

4h 01m

1 stop

$195Multiple Airlines

Wed, Jun 3 - Thu, Jun 4

2:00 pm - 9:03 am

STL

BNA

19h 03m

1 stop

2:35 pm - 6:36 pm

BNA

STL

4h 01m

1 stop

$206Southern / Mokulele

Thu, Jun 18 - Sun, Jun 21

2:00 pm - 9:03 am

STL

BNA

19h 03m

1 stop

2:35 pm - 6:36 pm

BNA

STL

4h 01m

1 stop

$209Southern / Mokulele

Thu, Jun 18 - Sun, Jun 21

8:08 pm - 7:35 pm

STL

BNA

23h 27m

1 stop

2:35 pm - 6:36 pm

BNA

STL

4h 01m

1 stop

$216Multiple Airlines

Thu, Jun 4 - Mon, Jun 8

8:25 am - 2:05 pm

STL

TYS

4h 40m

1 stop

8:10 am - 5:25 pm

TYS

STL

10h 15m

2 stops

$274Southwest

Tue, Jun 23 - Wed, Jun 24

Southern / Mokulele flights from St. Louis to Kentucky

Our best Southern / Mokulele deals on St. Louis to Kentucky flight tickets

Southern / Mokulele

Jun 18

STL2:00 pmLambert-St Louis

19h 03m

1 stop

BNA9:03 amNashville Intl

Jun 21

BNA2:35 pmNashville Intl

4h 01m

1 stop

STL6:36 pmLambert-St Louis

$206

Southern / Mokulele

Jun 18

STL2:00 pmLambert-St Louis

19h 03m

1 stop

BNA9:03 amNashville Intl

Jun 21

BNA2:35 pmNashville Intl

4h 01m

1 stop

STL6:36 pmLambert-St Louis

$209

Southern / Mokulele

Jun 18

STL2:00 pmLambert-St Louis

19h 03m

1 stop

BNA9:03 amNashville Intl

Jun 22

BNA2:35 pmNashville Intl

4h 01m

1 stop

STL6:36 pmLambert-St Louis

$211

Southwest flights from St. Louis to Kentucky

Our best Southwest deals on St. Louis to Kentucky flight tickets

Southwest

Jun 16

STL3:10 pmLambert-St Louis

1h 10m

BNA4:20 pmNashville Intl

Jun 23

BNA4:05 pmNashville Intl

1h 20m

STL5:25 pmLambert-St Louis

$137

Southwest

Jun 30

STL1:45 pmLambert-St Louis

1h 10m

BNA2:55 pmNashville Intl

Jul 2

BNA7:25 pmNashville Intl

5h 15m

1 stop

STL12:40 amLambert-St Louis

$233

Southwest

Jun 23

STL5:40 amLambert-St Louis

5h 35m

2 stops

BNA11:15 amNashville Intl

Jun 30

BNA7:10 amNashville Intl

4h 55m

1 stop

STL12:05 pmLambert-St Louis

$238

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 6/22

5:06 pm-11:14 am

1 stop17h 08m

Cincinnati Cinci./N. Kentucky

Fri 6/26

12:54 pm-8:52 am

1 stop20h 58m

$124

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 6/15

5:06 pm-11:14 am

1 stop17h 08m

Cincinnati Cinci./N. Kentucky

Sun 6/21

12:24 pm-8:52 am

1 stop21h 28m

$126

Quickest round-trip

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Tue 6/16

3:10 pm-4:20 pm

Nonstop1h 10m

Nashville Intl

Tue 6/23

4:05 pm-5:25 pm

Nonstop1h 20m

$137

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Tue 6/30

6:00 am-11:33 am

1 stop5h 33m

Nashville Intl

Wed 7/8

6:55 pm-11:53 pm

1 stop4h 58m

$147

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Tue 6/16

7:08 am-11:33 am

1 stop4h 25m

Nashville Intl

Tue 6/23

4:30 pm-10:18 pm

1 stop5h 48m

$157

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Wed 6/3

8:08 pm-9:45 am

1 stop13h 37m

Nashville Intl

Thu 6/4

2:35 pm-6:36 pm

1 stop4h 01m

$195

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 6/18

2:00 pm-9:03 am

1 stop19h 03m

Nashville Intl

Sun 6/21

2:35 pm-6:36 pm

1 stop4h 01m

$206

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 6/18

2:00 pm-9:03 am

1 stop19h 03m

Nashville Intl

Sun 6/21

2:35 pm-6:36 pm

1 stop4h 01m

$209

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 6/4

8:08 pm-7:35 pm

1 stop23h 27m

Nashville Intl

Mon 6/8

2:35 pm-6:36 pm

1 stop4h 01m

$216

St. LouisKnoxville

STL - TYS

STLTYS

Lambert-St Louis

Tue 6/23

8:25 am-2:05 pm

1 stop4h 40m

Knoxville McGhee Tyson

Wed 6/24

8:10 am-5:25 pm

2 stops10h 15m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Kentucky?

If you’re not able to fly to Kentucky in February, then January is your next best option. Flight prices from St. Louis to Kentucky during January average around $0.

Cheap St. Louis to Kentucky flight deals and tips

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

Fastest flight time	1h 05m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Kentucky	43 airports

The fastest flight from St. Louis to Kentucky takes 1h 05m

Direct flights go from St. Louis to Kentucky on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 43 airports in Kentucky. From St. Louis there are direct flights to Nashville Intl (BNA).

Search flight deals

Frequently asked questions about flying from St. Louis to Kentucky

When did momondo last update prices for flights from Lambert-St Louis Airport to Kentucky?
Prices for flights from Lambert-St Louis Airport to Kentucky refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kentucky?
As of May 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Kentucky.
How old do you have to be to fly from Lambert-St Louis Airport to Kentucky?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The travel and health documents you'll need for your trip to Kentucky may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kentucky from St. Louis.

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

Yes. All flights to Kentucky from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Kentucky.

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

Yes. momondo can track prices for St. Louis to Kentucky flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.