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Cheap flights from St. Louis (STL) to Kentucky from $58

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SDF
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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What is the cheapest month to fly from St. Louis to Kentucky?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, April can be a great choice for travel to Kentucky. Flights to Kentucky from St. Louis in April are about $1,017 on average during April, but can be found for as low as $209.

When is the cheapest time to fly from St. Louis to Kentucky (STL - KY)?

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

Cheap American Airlines flights from St. Louis to Kentucky

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Kentucky. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Take a peek at the cheapest American Airlines flights we've detected traveling from St. Louis to Kentucky. Come back soon if you're not finding the exact deal you're looking for.
Sat 8/316:26 amSTL - SDF
1 stop13h 44mAmerican Airlines
Tue 9/37:10 amSDF - STL
1 stop9h 25mAmerican Airlines
Deal found 4/25$202
Mon 7/85:46 pmSTL - LEX
1 stop3h 49mAmerican Airlines
Thu 7/118:21 pmLEX - STL
1 stop4h 13mAmerican Airlines
Deal found 4/25$225
Sat 8/316:26 amSTL - SDF
2 stops6h 59mAmerican Airlines
Tue 9/37:10 amSDF - STL
1 stop9h 25mAmerican Airlines
Deal found 4/25$228
Sat 5/257:45 amSTL - SDF
1 stop10h 17mAmerican Airlines
Sat 6/18:19 pmSDF - STL
1 stop4h 03mAmerican Airlines
Deal found 4/25$241
Sun 9/155:37 amSTL - SDF
1 stop4h 07mAmerican Airlines
Tue 9/178:00 amSDF - STL
1 stop10h 14mAmerican Airlines
Deal found 4/25$251
Sat 5/255:55 amSTL - LEX
1 stop4h 01mAmerican Airlines
Sat 6/18:09 pmLEX - STL
1 stop4h 13mAmerican Airlines
Deal found 4/25$281
Wed 7/35:38 pmSTL - SDF
1 stop5h 14mAmerican Airlines
Mon 7/88:18 pmSDF - STL
1 stop4h 36mAmerican Airlines
Deal found 4/25$291
Sun 5/195:04 amSTL - LEX
1 stop4h 22mAmerican Airlines
Mon 5/208:09 pmLEX - STL
1 stop4h 13mAmerican Airlines
Deal found 4/25$325
Fri 5/174:20 pmSTL - SDF
1 stop5h 01mAmerican Airlines
Mon 5/208:14 pmSDF - STL
1 stop4h 08mAmerican Airlines
Deal found 4/25$336

Cheap Spirit Airlines flights from St. Louis to Kentucky

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Kentucky. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Browse through some of the cheapest Spirit Airlines flights traveling from St. Louis to Kentucky. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 5/1410:34 amSTL - SDF
1 stop6h 03mSpirit Airlines
Wed 5/156:27 pmSDF - STL
1 stop24h 02mSpirit Airlines
Deal found 4/25$118
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Wed 5/156:27 pmSDF - STL
2 stops25h 13mSpirit Airlines
Deal found 4/25$153
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/2710:29 amSDF - STL
1 stop24h 10mSpirit Airlines
Deal found 4/25$222
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/277:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Deal found 4/25$238
Fri 5/174:05 pmSTL - SDF
2 stops22h 31mSpirit Airlines
Mon 5/207:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Deal found 4/25$265
Fri 5/174:05 pmSTL - SDF
2 stops22h 31mSpirit Airlines
Mon 5/2010:29 amSDF - STL
3 stops28h 08mSpirit Airlines
Deal found 4/25$283
Fri 5/174:05 pmSTL - SDF
3 stops30h 09mSpirit Airlines
Mon 5/2010:29 amSDF - STL
3 stops28h 08mSpirit Airlines
Deal found 4/25$322
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Sat 6/14:27 pmSDF - STL
3 stops27h 13mSpirit Airlines
Deal found 4/25$337

Cheap St. Louis to Kentucky flights in April & May 2024

Find cheap flight options from St. Louis to Kentucky specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.
Check out some of the best flight deals from St. Louis to Kentucky in 2024. Check back in a little while for more flight options.
Tue 5/1410:34 amSTL - SDF
1 stop6h 03mSpirit Airlines
Wed 5/156:27 pmSDF - STL
1 stop24h 02mSpirit Airlines
Deal found 4/25$118
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Wed 5/156:27 pmSDF - STL
2 stops25h 13mSpirit Airlines
Deal found 4/25$153
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mMultiple Airlines
Wed 5/157:43 amSDF - STL
3 stops34h 02mMultiple Airlines
Deal found 4/25$199
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/2710:29 amSDF - STL
1 stop24h 10mSpirit Airlines
Deal found 4/25$222
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/277:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Deal found 4/25$238
Sat 5/1112:00 pmSTL - LEX
1 stop4h 34mDelta
Tue 5/146:15 pmLEX - STL
1 stop4h 19mDelta
Deal found 4/25$238
Sat 5/257:45 amSTL - SDF
1 stop10h 17mAmerican Airlines
Sat 6/18:19 pmSDF - STL
1 stop4h 03mAmerican Airlines
Deal found 4/25$241
Tue 5/142:35 pmSTL - SDF
3 stops25h 42mMultiple Airlines
Wed 5/158:52 pmSDF - STL
3 stops40h 28mMultiple Airlines
Deal found 4/25$258
Fri 5/174:05 pmSTL - SDF
2 stops22h 31mSpirit Airlines
Mon 5/207:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Deal found 4/25$265

St. Louis to Kentucky 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Kentucky in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Check out some of the best flight deals from St. Louis to Kentucky in 2024. Check back in a little while for more flight options.
Tue 5/1410:34 amSTL - SDF
1 stop6h 03mSpirit Airlines
Wed 5/156:27 pmSDF - STL
1 stop24h 02mSpirit Airlines
Deal found 4/25$118
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Wed 5/156:27 pmSDF - STL
2 stops25h 13mSpirit Airlines
Deal found 4/25$153
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mMultiple Airlines
Wed 5/157:43 amSDF - STL
3 stops34h 02mMultiple Airlines
Deal found 4/25$199
Sat 8/316:26 amSTL - SDF
1 stop13h 44mAmerican Airlines
Tue 9/37:10 amSDF - STL
1 stop9h 25mAmerican Airlines
Deal found 4/25$202
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/2710:29 amSDF - STL
1 stop24h 10mSpirit Airlines
Deal found 4/25$222
Mon 7/85:46 pmSTL - LEX
1 stop3h 49mAmerican Airlines
Thu 7/118:21 pmLEX - STL
1 stop4h 13mAmerican Airlines
Deal found 4/25$225
Sat 8/316:26 amSTL - SDF
2 stops6h 59mAmerican Airlines
Tue 9/37:10 amSDF - STL
1 stop9h 25mAmerican Airlines
Deal found 4/25$228
Sat 5/255:15 pmSTL - SDF
1 stop14h 29mSpirit Airlines
Mon 5/277:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Deal found 4/25$238
Sat 5/1112:00 pmSTL - LEX
1 stop4h 34mDelta
Tue 5/146:15 pmLEX - STL
1 stop4h 19mDelta
Deal found 4/25$238

St. Louis to Kentucky flights leaving soon

Find last-minute flight options from St. Louis to Kentucky for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Kentucky. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 5/15:00 pmSTL - SDF
1 stop6h 08mDelta
Fri 5/37:05 amSDF - STL
1 stop4h 54mDelta
Deal found 4/24$462
Wed 5/111:07 amSTL - SDF
1 stop5h 17mAmerican Airlines
Fri 5/37:50 amSDF - STL
2 stops7h 45mAmerican Airlines
Deal found 4/24$506

One-way flights to Kentucky from St. Louis

Search for one-way flight options from St. Louis to Kentucky. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Kentucky. For those needing a return trip from St. Louis, there is a search form available above.
Tue 5/2110:34 amSTL - SDF
1 stop6h 03mSpirit Airlines
Deal found 4/25$58
Wed 5/2211:40 amSTL - SDF
1 stop10h 18mAmerican Airlines
Deal found 4/25$97
Tue 5/2110:34 amSTL - SDF
3 stops33h 40mSpirit Airlines
Deal found 4/25$118
Thu 5/236:19 pmSTL - SDF
1 stop13h 25mSpirit Airlines
Deal found 4/25$151
Thu 5/236:19 pmSTL - SDF
2 stops27h 55mSpirit Airlines
Deal found 4/25$196
Wed 5/2211:36 amSTL - SDF
3 stops30h 00mSpirit Airlines
Deal found 4/25$199
Tue 5/216:30 amSTL - SDF
2 stops12h 00mUnited Airlines
Deal found 4/25$229
Wed 5/225:55 amSTL - SDF
2 stops8h 03mAmerican Airlines
Deal found 4/25$234
Thu 5/236:19 pmSTL - SDF
3 stops25h 51mMultiple Airlines
Deal found 4/25$251

Find flights from St. Louis to Kentucky within your budget

Customize your flight search to find flights from St. Louis to Kentucky 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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$118 - $398

Route

Depart

Return

Price

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/14

1 stop6h 03m

Louisville Intl

Wed 5/15

1 stop24h 02m

$118

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/14

1 stop7h 39m

Louisville Intl

Wed 5/15

2 stops25h 13m

$153

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/14

1 stop7h 39m

Louisville Intl

Wed 5/15

3 stops34h 02m

$199

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sat 8/31

1 stop13h 44m

Louisville Intl

Tue 9/3

1 stop9h 25m

$202

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sat 5/25

1 stop14h 29m

Louisville Intl

Mon 5/27

1 stop24h 10m

$222

Lambert-St LouisLexington Blue Grass

STL - LEX

STLLEX

Lambert-St Louis

Mon 7/8

1 stop3h 49m

Lexington Blue Grass

Thu 7/11

1 stop4h 13m

$225

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sat 8/31

2 stops6h 59m

Louisville Intl

Tue 9/3

1 stop9h 25m

$228

Lambert-St LouisLexington Blue Grass

STL - LEX

STLLEX

Lambert-St Louis

Sat 5/11

1 stop4h 34m

Lexington Blue Grass

Tue 5/14

1 stop4h 19m

$238

Lambert-St LouisLexington Blue Grass

STL - LEX

STLLEX

Lambert-St Louis

Tue 5/7

1 stop3h 48m

Lexington Blue Grass

Fri 5/10

1 stop4h 31m

$398

Flights are sorted by cheapest first

Deals found on 4/25

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated April 26, 2024.
To help decide which airline to fly from St. Louis to Kentucky, see what other customers have to say about American Airlines, Spirit Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,226 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,884 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Spirit Airlines
6.4
Okay
8,745 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kentucky. 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 from for flights from St. Louis to Kentucky?

    For a flight from St. Louis to Kentucky, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to Kentucky for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Kentucky for under $200. The cheapest flight booked recently is on Spirit Airlines for just $118, but on average you can expect to pay $245.

  • Are there last-minute flights available from St. Louis to Kentucky for under $500?

    There are currently 2+ open flights from St. Louis to Kentucky within the next 7 days for less than $500.

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

    $58 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $97 and $229, respectively.

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

    When deciding which route to take from St. Louis to Kentucky consider Lambert-St Louis - Lexington Blue Grass, Lambert-St Louis - Louisville Intl or Lambert-St Louis - Owensboro Daviess County as they are the most popular.

  • What does STL to SDF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Louisville Intl Airport flight would often be abbreviated as a STL to SDF flight. Lexington Blue Grass Airport (LEX), Paducah Barkley Regional Airport (PAH), Owensboro Daviess County Airport (OWB) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Kentucky that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Kentucky flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Kentucky with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Kentucky flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to Kentucky that allow pets onboard?

    Many airlines flying from St. Louis to Kentucky offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Kentucky?

    Yes, you can often find last-minute deals on St. Louis to Kentucky flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Kentucky flight deals updated?

    The St. Louis to Kentucky flight deals you see on this page were last updated on 4/25.

See more FAQs

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Alternative routes for St. Louis to Kentucky
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Top 2 airlines flying from St. Louis to Kentucky

Discover the top 2 airlines that operate flights from St. Louis to Kentucky. 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 3,068,117 searches. Data last updated April 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$173Average$298FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$270Average$425FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from St. Louis to Kentucky by cabin class

Find flights from St. Louis to Kentucky, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Kentucky?

Cheapflights helps you search for flights from St. Louis to Kentucky via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Kentucky?

Cheapflights helps you find that perfect flight to Kentucky from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Kentucky with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Kentucky with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Kentucky become cheaper?

Yes! Start tracking prices for St. Louis to Kentucky flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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