How does KAYAK find such low prices on flights from Kentucky to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Kentucky to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Kentucky with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$237 CHEAP FLIGHTS from Kentucky to St. Louis

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Flight Deals

Cheap Flights from Kentucky to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Kentucky to St. Louis

Sat, Oct 31 - Sat, Nov 7

11:14 am - 4:51 pmLEX Lexington Blue Grass-STL Lambert-St Louis

6h 37m1 stop Chicago O'Hare Intl

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

9:17 am - 4:51 pmLEX Lexington Blue Grass-STL Lambert-St Louis

8h 34m2 stops Charlotte Douglas Chicago O'Hare Intl

5:00 am - 10:56 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 56m1 stop Chicago O'Hare Intl

$306American Airlines

Sat, Nov 21 - Sun, Nov 22

6:02 pm - 11:58 pmLEX Lexington Blue Grass-STL Lambert-St Louis

6h 56m1 stop Charlotte Douglas

6:43 am - 1:00 pmSTL Lambert-St Louis-LEX Lexington Blue Grass

5h 17m1 stop Charlotte Douglas

$310American Airlines

Sat, Oct 24 - Sun, Oct 25

6:00 am - 10:48 amLEX Lexington Blue Grass-STL Lambert-St Louis

5h 48m1 stop Chicago O'Hare Intl

5:00 am - 10:13 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 13m1 stop Chicago O'Hare Intl

$334United Airlines

Thu, Oct 15 - Mon, Oct 19

6:00 am - 12:13 pmLEX Lexington Blue Grass-STL Lambert-St Louis

7h 13m1 stop Chicago O'Hare Intl

5:36 pm - 11:55 pmSTL Lambert-St Louis-LEX Lexington Blue Grass

5h 19m1 stop Chicago O'Hare Intl

$349United Airlines

Sun, Nov 1 - Sun, Nov 8

7:59 pm - 11:54 pmLEX Lexington Blue Grass-STL Lambert-St Louis

4h 55m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:58 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 58m1 stop Atlanta Hartsfield-Jackson

$349Delta

Fri, Oct 16 - Tue, Oct 20

8:03 pm - 11:59 pmLEX Lexington Blue Grass-STL Lambert-St Louis

4h 56m1 stop Charlotte Douglas

5:00 am - 10:44 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 44m1 stop Chicago O'Hare Intl

$349American Airlines

Sat, Oct 17 - Mon, Oct 19

5:00 am - 8:37 amLEX Lexington Blue Grass-STL Lambert-St Louis

4h 37m1 stop Charlotte Douglas

5:00 am - 10:44 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 44m1 stop Chicago O'Hare Intl

$349American Airlines

Fri, Nov 6 - Sun, Nov 8

5:10 am - 8:55 amSDF Louisville Intl-STL Lambert-St Louis

4h 45m1 stop Chicago O'Hare Intl

9:40 am - 5:02 pmSTL Lambert-St Louis-SDF Louisville Intl

6h 22m1 stop Chicago O'Hare Intl

$372United Airlines

Sun, Nov 1 - Tue, Nov 10

8:11 pm - 11:58 pmLEX Lexington Blue Grass-STL Lambert-St Louis

4h 47m1 stop Charlotte Douglas

5:00 am - 10:59 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 59m1 stop Chicago O'Hare Intl

$389American Airlines

Recent last minute flight deals from Kentucky to St. Louis

Fri, Oct 9 - Sun, Oct 11

5:57 pm - 11:59 pmLEX Lexington Blue Grass-STL Lambert-St Louis

7h 02m1 stop Charlotte Douglas

5:00 am - 10:44 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 44m1 stop Chicago O'Hare Intl

$389American Airlines

Sat, Oct 10 - Sun, Oct 11

5:00 am - 8:37 amLEX Lexington Blue Grass-STL Lambert-St Louis

4h 37m1 stop Charlotte Douglas

5:00 am - 10:44 amSTL Lambert-St Louis-LEX Lexington Blue Grass

4h 44m1 stop Chicago O'Hare Intl

$389American Airlines

Thu, Oct 8 - Tue, Oct 13

5:57 pm - 11:59 pmLEX Lexington Blue Grass-STL Lambert-St Louis

7h 02m1 stop Charlotte Douglas

10:22 am - 4:32 pmSTL Lambert-St Louis-LEX Lexington Blue Grass

5h 10m1 stop Charlotte Douglas

$389American Airlines

Fri, Oct 9 - Sat, Oct 10

5:29 am - 10:50 amLEX Lexington Blue Grass-STL Lambert-St Louis

6h 21m1 stop Chicago O'Hare Intl

9:27 am - 5:25 pmSTL Lambert-St Louis-LEX Lexington Blue Grass

6h 58m1 stop Charlotte Douglas

$389American Airlines

Thu, Oct 8 - Fri, Oct 9

6:55 pm - 12:35 amSDF Louisville Intl-STL Lambert-St Louis

6h 40m1 stop Orlando

5:40 pm - 12:15 amSTL Lambert-St Louis-SDF Louisville Intl

5h 35m1 stop Baltimore/Washington

$715Southwest

Thu, Oct 8 - Fri, Oct 9

7:50 pm - 11:20 pmSDF Louisville Intl-STL Lambert-St Louis

4h 30m1 stop Chicago Midway

4:30 pm - 12:15 amSTL Lambert-St Louis-SDF Louisville Intl

6h 45m2 stops Charleston Baltimore/Washington

$720Southwest

Thu, Oct 8 - Fri, Oct 9

5:35 am - 11:35 amSDF Louisville Intl-STL Lambert-St Louis

7h 00m2 stops Baltimore/Washington Charlotte Douglas

4:30 pm - 12:15 amSTL Lambert-St Louis-SDF Louisville Intl

6h 45m2 stops Charleston Baltimore/Washington

$725Southwest

Thu, Oct 8 - Sun, Oct 11

5:57 pm - 9:23 pmSDF Louisville Intl-STL Lambert-St Louis

4h 26m1 stop Atlanta Hartsfield-Jackson

7:00 am - 2:41 pmSTL Lambert-St Louis-SDF Louisville Intl

6h 41m1 stop Atlanta Hartsfield-Jackson

$768Delta

Thu, Oct 8 - Sat, Oct 10

3:36 pm - 7:18 pmSDF Louisville Intl-STL Lambert-St Louis

4h 42m1 stop Charlotte Douglas

7:16 am - 2:51 pmSTL Lambert-St Louis-SDF Louisville Intl

6h 35m1 stop Charlotte Douglas

$769American Airlines

Thu, Oct 8 - Sun, Oct 11

12:10 pm - 9:00 pmSDF Louisville Intl-STL Lambert-St Louis

9h 50m2 stops Orlando Detroit Metropolitan Wayne County

5:45 am - 10:35 amSTL Lambert-St Louis-SDF Louisville Intl

3h 50m1 stop Chicago Midway

$773Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$237

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Louisville to St. Louis

How does KAYAK find such low prices on flights from Kentucky to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Kentucky to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Kentucky with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.