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St. Louis

$60+ Cheap flights from Kentucky to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Kentucky to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Kentucky to St. Louis

Cheapest flights from Kentucky to St. Louis
Explore the most affordable flight options available from Kentucky to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:06 pmCVG - STL
1 stop10h 18mFrontier
Tue 12/105:02 pmSTL - CVG
1 stop16h 18mFrontier
Deal found 11/21$128
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/52:35 pmBNA - STL
1 stop4h 06mMultiple Airlines
Sat 12/76:46 pmSTL - BNA
1 stop19h 08mMultiple Airlines
Deal found 11/20$140
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/272:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Mon 12/309:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Deal found 11/19$154
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/125:20 amTYS - STL
1 stop5h 02mDelta
Sat 12/147:15 amSTL - TYS
1 stop5h 04mDelta
Deal found 11/20$218
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/189:07 amTYS - STL
2 stops8h 14mAmerican Airlines
Wed 12/255:03 amSTL - TYS
1 stop3h 56mAmerican Airlines
Deal found 11/20$223
This United Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:45 amTYS - STL
1 stop5h 31mUnited Airlines
Tue 12/108:25 amSTL - TYS
1 stop5h 15mUnited Airlines
Deal found 11/21$238
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:45 pmBNA - STL
Nonstop1h 20mSouthwest
Wed 12/2511:55 amSTL - BNA
Nonstop1h 10mSouthwest
Deal found 11/20$245
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:47 pmCVG - STL
1 stop4h 56mDelta
Wed 1/17:15 amSTL - CVG
1 stop4h 27mDelta
Deal found 11/20$249
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/185:15 amBNA - STL
1 stop6h 48mDelta
Wed 12/2512:55 pmSTL - BNA
1 stop5h 59mDelta
Deal found 11/20$263
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:00 amSDF - STL
1 stop4h 40mDelta
Mon 12/167:05 pmSTL - SDF
1 stop3h 52mDelta
Deal found 11/20$278
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:50 pmSDF - STL
1 stop5h 09mAmerican Airlines
Mon 12/165:45 amSTL - SDF
2 stops8h 06mAmerican Airlines
Deal found 11/20$283
This United deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:10 amLEX - STL
1 stop6h 09mUnited Airlines
Sun 12/155:40 pmSTL - LEX
1 stop3h 49mUnited Airlines
Deal found 11/21$288

Find flights from Kentucky to St. Louis within your budget

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, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 12/6

2:06 pm-11:24 pm

1 stop10h 18m

Lambert-St Louis

Tue 12/10

5:02 pm-10:20 am

1 stop16h 18m

$128

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Thu 12/5

2:35 pm-6:41 pm

1 stop4h 06m

Lambert-St Louis

Sat 12/7

6:46 pm-1:54 pm

1 stop19h 08m

$147

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sun 12/15

2:35 pm-6:41 pm

1 stop4h 06m

Lambert-St Louis

Mon 12/16

9:50 am-1:55 pm

1 stop4h 05m

$156

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Thu 12/12

5:20 am-9:22 am

1 stop5h 02m

Lambert-St Louis

Sat 12/14

7:15 am-1:19 pm

1 stop5h 04m

$218

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Wed 12/18

9:07 am-4:21 pm

2 stops8h 14m

Lambert-St Louis

Wed 12/25

5:03 am-9:59 am

1 stop3h 56m

$223

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Thu 1/9

5:47 pm-9:45 pm

1 stop4h 58m

Lambert-St Louis

Sun 1/12

5:30 pm-10:36 pm

1 stop4h 06m

$224

LexingtonSt. Louis

LEX - STL

LEXSTL

Lexington Blue Grass

Thu 1/9

11:26 am-5:22 pm

1 stop6h 56m

Lambert-St Louis

Tue 1/14

6:29 pm-11:58 pm

1 stop4h 29m

$228

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Tue 12/24

5:47 pm-9:43 pm

1 stop4h 56m

Lambert-St Louis

Tue 12/31

6:29 am-11:43 am

1 stop4h 14m

$249

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Thu 12/19

10:30 pm-11:45 pm

Nonstop1h 15m

Lambert-St Louis

Sat 12/21

1:15 pm-6:15 pm

1 stop5h 00m

$267

LouisvilleSt. Louis

SDF - STL

SDFSTL

Louisville Intl

Sat 12/14

7:00 am-10:40 am

1 stop4h 40m

Lambert-St Louis

Mon 12/16

7:05 pm-11:57 pm

1 stop3h 52m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 44 results
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Best time to book a flight from Kentucky to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Kentucky to St. Louis

Get recent, data-driven insights about flights from Kentucky to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Kentucky to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Kentucky to St. Louis (average of $308). Flying from Kentucky to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to STL?

Find hourly flight availability from Kentucky to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Kentucky to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated November 21, 2024.
Read reviews from past customers who have flown Frontier, Southern / Mokulele and Delta from Kentucky to St. Louis. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Kentucky to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Kentucky?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Kentucky. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • What are the cheapest airlines to fly from Kentucky to St. Louis one-way?

    One-way options have recently been found by users for as low as $60 on Frontier. Other airlines that offer cheap prices include Southern / Mokulele from $76 and Southwest from $113 one-way.

  • What are the most popular routes from Kentucky to St. Louis?

    Most travelers choose Nashville Intl - Lambert-St Louis, Knoxville McGhee Tyson - Lambert-St Louis or Cincinnati Cinci./N. Kentucky - Lambert-St Louis when deciding on the best route from Kentucky to St. Louis.

  • Can I find deals for flights from Kentucky to St. Louis that include hotel bookings?

    Yes. In addition to deals on Kentucky to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to St. Louis.

  • Can I find deals for business class flights from Kentucky to St. Louis?

    Yes. Cheapflights offers flight deals from Kentucky to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Kentucky to St. Louis (average of $308). Flying from Kentucky to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kentucky to St. Louis

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Top 2 airlines flying from Kentucky to St. Louis

Discover the top 2 airlines that operate flights from Kentucky to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$321FlexibilityNo cancel feeOn-time71%
DeltaCheapest$194Average$291FlexibilityNo cancel feeOn-timeN/A
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