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

The number of flights available between St. Louis and Kentucky is 18 per week as of July 2025. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

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

Southern / Mokulele, Spirit Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to Kentucky

What airlines fly to Kentucky?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Kentucky from St. Louis according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 4 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

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 July 2025, there are 6 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.

$82 Cheap Flights from St. Louis to Kentucky in 2025

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Find the cheapest flights from St. Louis to Kentucky

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:50 am - 1:55 pmSTL-BNA

4h 05m1 stop

2:35 pm - 6:41 pmBNA-STL

4h 06m1 stop

$157Southern / Mokulele

Find Deal

Thu, Jul 31 - Sun, Aug 3

8:44 am - 8:30 amSTL-BNA

23h 46m1 stop

9:25 am - 7:49 amBNA-STL

22h 24m1 stop

$165Spirit Airlines

Find Deal

Fri, Oct 17 - Sun, Oct 19

6:25 am - 7:35 amSTL-BNA

1h 10mnonstop

8:15 am - 9:35 amBNA-STL

1h 20mnonstop

$177Southwest

Find Deal

Wed, Aug 27 - Wed, Sep 3

6:00 am - 1:44 pmSTL-BNA

7h 44m1 stop

7:20 am - 3:52 pmBNA-STL

8h 32m1 stop

$178American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

6:00 am - 1:32 pmSTL-BNA

7h 32m1 stop

10:33 am - 7:21 pmBNA-STL

8h 48m1 stop

$180American Airlines

Find Deal

Thu, Aug 28 - Sat, Aug 30

1:50 pm - 3:00 pmSTL-BNA

1h 10mnonstop

1:10 pm - 7:50 pmBNA-STL

6h 40m1 stop

$187Southwest

Find Deal

Thu, Aug 28 - Sat, Sep 6

6:40 am - 1:25 pmSTL-CVG

5h 45m1 stop

2:30 pm - 7:07 pmCVG-STL

5h 37m1 stop

$197Delta

Find Deal

Wed, Aug 13 - Sat, Aug 16

7:10 am - 12:46 pmSTL-CVG

4h 36m1 stop

6:00 am - 9:59 amCVG-STL

4h 59m1 stop

$208Delta

Find Deal

Tue, Sep 23 - Fri, Sep 26

5:30 pm - 11:57 pmSTL-CVG

5h 27m1 stop

9:00 am - 2:19 pmCVG-STL

6h 19m1 stop

$268United Airlines

Find Deal

Mon, Sep 8 - Thu, Sep 11

5:30 pm - 10:36 pmSTL-TYS

4h 06m1 stop

7:25 pm - 3:44 pmTYS-STL

21h 19m2 stops

$349United Airlines

Find Deal

Fri, Aug 22 - Mon, Aug 25

Southern / Mokulele flights from St. Louis to Kentucky

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

Southern / Mokulele

Jul 31

STL9:50 amLambert-St Louis

4h 05m

1 stop

BNA1:55 pmNashville Intl

Aug 3

BNA2:35 pmNashville Intl

4h 06m

1 stop

STL6:41 pmLambert-St Louis

$157

Find similar

Southern / Mokulele

Jul 31

STL9:50 amLambert-St Louis

4h 05m

1 stop

BNA1:55 pmNashville Intl

Aug 4

BNA2:35 pmNashville Intl

4h 06m

1 stop

STL6:41 pmLambert-St Louis

$173

Find similar

Southern / Mokulele

Aug 23

STL9:50 amLambert-St Louis

4h 05m

1 stop

BNA1:55 pmNashville Intl

Aug 25

BNA2:35 pmNashville Intl

4h 06m

1 stop

STL6:41 pmLambert-St Louis

$181

Find similar

American Airlines flights from St. Louis to Kentucky

Our best American Airlines deals on St. Louis to Kentucky flight tickets

American Airlines

Aug 30

STL6:00 amLambert-St Louis

7h 44m

1 stop

BNA1:44 pmNashville Intl

Sep 6

BNA7:20 amNashville Intl

8h 32m

1 stop

STL3:52 pmLambert-St Louis

$178

Find similar

American Airlines

Aug 28

STL6:00 amLambert-St Louis

7h 32m

1 stop

BNA1:32 pmNashville Intl

Aug 30

BNA10:33 amNashville Intl

8h 48m

1 stop

STL7:21 pmLambert-St Louis

$180

Find similar

American Airlines

Aug 21

STL9:08 amLambert-St Louis

5h 03m

1 stop

SDF3:11 pmLouisville Intl

Aug 25

SDF9:44 amLouisville Intl

15h 07m

1 stop

STL11:51 pmLambert-St Louis

$190

Find similar

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 day to depart on your flight to Kentucky?

Our data shows that Thursday is the least expensive day to fly to Kentucky. Tickets to fly out on this day can be as low as $346. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $391. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kentucky.

What is the cheapest time of day to depart on your flight to Kentucky?

According to our data, the cheapest time of day to fly to Kentucky is in the morning. momondo users have found flights departing from St. Louis to Kentucky in the morning for as low as $350. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Kentucky is at noon when prices are around $438.

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

Best Price Found	$82
Fastest flight time	1h 05m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Kentucky	6 airports

The best one-way flight to Kentucky from St. Louis in the past 72 hours is $82. The best round-trip flight deal from St. Louis to Kentucky found on momondo in the last 72 hours is $157.

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

Direct flights go from St. Louis to Kentucky on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Southwest.

There are 6 airports near Kentucky: Nashville Intl (BNA), Louisville Intl (SDF), Cincinnati Cinci./N. Kentucky (CVG), Blountville Tri Cities TN/VA (TRI), Lexington Blue Grass (LEX), Knoxville McGhee Tyson (TYS)

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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 July 2025, there are 6 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.

Best airlines flying from St. Louis to Kentucky

Compare and see reviews for airlines that fly from St. Louis to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $220	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $226	Free Cancellation	Rating 8.0 4,239 reviews	Search Southwest flights
Delta	PriceFrom $228	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 8,864 reviews	Search United Airlines flights

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.