HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Louisville (STL - SDF) from $79

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 6/2. 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 25 — Jun 11
From?
To?
Sat 5/25
Sat 6/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from St. Louis to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Louisville (SDF). 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 May 20, 2024.

Popular in

October

Cheapest in

March

Round-trip from

$287

One-way from

$79
High demand for flights, 26% potential price rise
Search Deals
Best time to find cheap flights, 40% potential price drop
Search Deals
From Lambert-St Louis to Louisville Intl
Search Deals
One-way flight from Lambert-St Louis to Louisville Intl
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Louisville?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 114% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from St. Louis to Louisville?

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, March can be a great choice for travel to Louisville. Flights to Louisville from St. Louis in March are about $400 on average during March, but can be found for as low as $165.

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

One of the essential ways to save on airfare from St. Louis to Louisville is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

Cheap Spirit Airlines flights from St. Louis to Louisville

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Louisville. 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 2,663,308 searches. Data last updated May 20, 2024.
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
1 stop23h 49mSpirit Airlines
Deal found 5/19$209
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/253:22 pmSDF - STL
3 stops22h 43mSpirit Airlines
Deal found 5/19$265
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/256:10 pmSDF - STL
2 stops19h 55mSpirit Airlines
Deal found 5/19$266
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$284
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
2 stops25h 43mSpirit Airlines
Deal found 5/19$299
Sun 6/235:22 pmSTL - SDF
2 stops28h 56mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$325
Tue 6/1811:57 amSTL - SDF
3 stops28h 57mSpirit Airlines
Tue 6/256:10 pmSDF - STL
2 stops19h 55mSpirit Airlines
Deal found 5/19$336
Thu 5/236:19 pmSTL - SDF
1 stop13h 25mSpirit Airlines
Thu 5/307:43 amSDF - STL
1 stop11h 57mSpirit Airlines
Deal found 5/18$458
Thu 5/236:19 pmSTL - SDF
1 stop13h 25mSpirit Airlines
Thu 5/309:11 pmSDF - STL
2 stops19h 03mSpirit Airlines
Deal found 5/18$472

Cheap St. Louis to Louisville flights in May & June 2024

Find cheap flight options from St. Louis to Louisville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,663,308 searches. Prices were last updated on May 20, 2024.
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
1 stop23h 49mSpirit Airlines
Deal found 5/19$209
Tue 6/186:00 amSTL - SDF
1 stop9h 36mAmerican Airlines
Tue 6/2511:26 amSDF - STL
1 stop6h 52mAmerican Airlines
Deal found 5/19$223
Sun 6/95:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Sat 6/229:43 pmSDF - STL
1 stop19h 49mSpirit Airlines
Deal found 5/20$242
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/253:22 pmSDF - STL
3 stops22h 43mSpirit Airlines
Deal found 5/19$265
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/256:10 pmSDF - STL
2 stops19h 55mSpirit Airlines
Deal found 5/19$266
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$284
Wed 6/193:27 pmSTL - SDF
1 stop5h 40mAmerican Airlines
Wed 6/268:16 pmSDF - STL
1 stop4h 47mAmerican Airlines
Deal found 5/20$291
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
2 stops25h 43mSpirit Airlines
Deal found 5/19$299
Sun 6/235:22 pmSTL - SDF
2 stops28h 56mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$325

St. Louis to Louisville 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Louisville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,663,308 searches. Data last updated May 20, 2024.
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
1 stop23h 49mSpirit Airlines
Deal found 5/19$209
Tue 6/186:00 amSTL - SDF
1 stop9h 36mAmerican Airlines
Tue 6/2511:26 amSDF - STL
1 stop6h 52mAmerican Airlines
Deal found 5/19$223
Sun 6/95:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Sat 6/229:43 pmSDF - STL
1 stop19h 49mSpirit Airlines
Deal found 5/20$242
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/253:22 pmSDF - STL
3 stops22h 43mSpirit Airlines
Deal found 5/19$265
Tue 6/1811:57 amSTL - SDF
1 stop10h 21mSpirit Airlines
Tue 6/256:10 pmSDF - STL
2 stops19h 55mSpirit Airlines
Deal found 5/19$266
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$284
Wed 6/193:27 pmSTL - SDF
1 stop5h 40mAmerican Airlines
Wed 6/268:16 pmSDF - STL
1 stop4h 47mAmerican Airlines
Deal found 5/20$291
Sun 6/235:22 pmSTL - SDF
1 stop15h 40mSpirit Airlines
Wed 6/266:39 pmSDF - STL
2 stops25h 43mSpirit Airlines
Deal found 5/19$299
Sun 6/235:22 pmSTL - SDF
2 stops28h 56mSpirit Airlines
Wed 6/265:45 amSDF - STL
3 stops36h 43mSpirit Airlines
Deal found 5/19$325

St. Louis to Louisville flights leaving soon

Find last-minute flight options from St. Louis to Louisville 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 2,663,308 searches. Data last updated May 20, 2024.
Sun 5/266:19 pmSTL - SDF
1 stop15h 28mMultiple Airlines
Sun 6/27:43 amSDF - STL
1 stop11h 57mMultiple Airlines
Deal found 5/19$397
Sun 5/266:19 pmSTL - SDF
1 stop15h 28mMultiple Airlines
Sun 6/28:04 pmSDF - STL
2 stops20h 10mMultiple Airlines
Deal found 5/19$449
Sun 5/266:19 pmSTL - SDF
1 stop15h 28mMultiple Airlines
Sun 6/28:04 pmSDF - STL
3 stops20h 10mMultiple Airlines
Deal found 5/19$488
Sun 5/2612:00 pmSTL - SDF
3 stops11h 59mMultiple Airlines
Sun 6/28:04 pmSDF - STL
2 stops20h 10mMultiple Airlines
Deal found 5/19$567
Sun 5/2612:00 pmSTL - SDF
3 stops11h 59mMultiple Airlines
Sun 6/28:04 pmSDF - STL
3 stops20h 10mMultiple Airlines
Deal found 5/19$606

One-way flights to Louisville from St. Louis

Search for one-way flight options from St. Louis to Louisville. 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 2,663,308 searches. Data last updated May 20, 2024.
Sun 6/27:30 pmSTL - SDF
1 stop26h 44mSpirit Airlines
Deal found 5/19$79
Sat 6/111:39 amSTL - SDF
1 stop10h 35mSpirit Airlines
Deal found 5/19$96
Sat 6/15:15 pmSTL - SDF
2 stops30h 44mSpirit Airlines
Deal found 5/19$101
Sat 6/111:39 amSTL - SDF
3 stops20h 05mSpirit Airlines
Deal found 5/19$142
Sun 6/21:25 pmSTL - SDF
3 stops29h 27mMultiple Airlines
Deal found 5/19$240

Find flights from St. Louis to Louisville within your budget

Customize your flight search to find flights from St. Louis to Louisville 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 2,663,308 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$209 - $397

Route

Depart

Return

Price

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 6/23

1 stop15h 40m

Louisville Intl

Wed 6/26

1 stop23h 49m

$209

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 6/18

1 stop9h 36m

Louisville Intl

Tue 6/25

1 stop6h 52m

$223

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 6/18

1 stop10h 21m

Louisville Intl

Tue 6/25

3 stops22h 43m

$265

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Tue 6/18

1 stop10h 21m

Louisville Intl

Tue 6/25

2 stops19h 55m

$266

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 6/23

1 stop15h 40m

Louisville Intl

Wed 6/26

3 stops36h 43m

$284

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 6/23

1 stop15h 40m

Louisville Intl

Wed 6/26

2 stops25h 43m

$299

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 6/23

2 stops28h 56m

Louisville Intl

Wed 6/26

3 stops36h 43m

$325

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 6/23

2 stops15h 06m

Louisville Intl

Wed 6/26

3 stops36h 43m

$370

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Sun 5/26

1 stop15h 28m

Louisville Intl

Sun 6/2

1 stop11h 57m

$397

Flights are sorted by cheapest first

Deals found on 5/19

When is the cheapest time to fly from St. Louis to Louisville?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Louisville. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Louisville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Louisville by month

Plan your trip from St. Louis to Louisville by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Louisville is currently $132 while a round-trip flight costs $293. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Louisville (average of $287). Flying from St. Louis to Louisville in April is currently the most expensive (average of $373). 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.

January

$287

February

$332

March

$359

April

$373

May

$361

June

$358

July

$346

August

$304

September

$302

October

$328

November

$338

December

$316

Temperature and rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average temperature and rainfall totals by month.

SDF

Temperature

35.6 - 78.8 °F

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated May 20, 2024.
American Airlines
7.3
Good
14,447 reviews
Check prices

Comfort

7.2

Entertainment

7.1

Boarding

7.6

Crew

8.0

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

American Airlines
7.3
Good
14,447 reviews
American Airlines
7.3
Good
14,447 reviews
Check prices

Comfort

7.2

Entertainment

7.1

Boarding

7.6

Crew

8.0

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

Spirit Airlines
6.4
Okay
8,658 reviews
American Airlines
7.3
Good
14,447 reviews
Check prices

Comfort

7.2

Entertainment

7.1

Boarding

7.6

Crew

8.0

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

Related info for your journey

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

  • Can I find flights from St. Louis to Louisville for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Louisville for under $300. The cheapest flight booked recently is on Spirit Airlines for just $209, but on average you can expect to pay $379.

  • Are there last-minute flights available from St. Louis to Louisville for under $400?

    There are currently 5+ open flights from St. Louis to Louisville within the next 7 days for less than $400.

  • What are the cheapest airlines flying from St. Louis to Louisville round-trip?

    Our cheapest airline available from St. Louis to Louisville is Spirit Airlines. Our recent data shows that you can find tickets from as low as $209 on this airline. An additional option worth looking into is American Airlines, starting at $223. These flights start at 47% lower than the current average price 3 months from now.

  • What does STL to SDF mean?

    STL stands for Lambert-St Louis Airport, while SDF stands for Louisville Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your St. Louis to Louisville 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 Louisville with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Louisville 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 Louisville that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Louisville 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 Louisville that allow pets onboard?

    Many airlines flying from St. Louis to Louisville 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 Louisville?

    Yes, you can often find last-minute deals on St. Louis to Louisville 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 Louisville flight deals updated?

    The St. Louis to Louisville flight deals you see on this page were last updated on 5/20.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Louisville
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Nashville flights
Kansas City to Cincinnati flights
St. Louis to Nashville flights
Kansas City to Louisville flights
Kansas City to Lexington flights
St. Louis to Knoxville flights
St. Louis to Cincinnati flights
Kansas City to Knoxville flights
Springfield to Nashville flights
Kansas City to Blountville flights
Springfield to Knoxville flights
Springfield to Louisville flights
Springfield to Lexington flights
St. Louis to Lexington flights
Columbia to Nashville flights
Columbia to Knoxville flights
St. Louis to Blountville flights
Springfield to Paducah flights
Kansas City to Huntington flights
St. Louis to Owensboro flights
Joplin to Louisville flights

Top 2 airlines flying from St. Louis to Louisville

Discover the top 2 airlines that operate flights from St. Louis to Louisville. 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 2,663,308 searches. Data last updated May 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$173Average$340FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$320Average$472FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
New York to Seattle flights
Houston to Phoenix flights
Phoenix to New York flights
Baltimore to Los Angeles flights
Providence to Orlando flights
Miami to Tampa flights
Chicago to Phoenix flights
Orlando to Los Angeles flights
Fresno to Los Angeles flights
Chicago to Fort Lauderdale flights
New Orleans to Miami flights
St. Louis to Santo Domingo flights

Search flights from St. Louis to Louisville by cabin class

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

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Neiva La Marguita
Flights to Hyannis Barnstable
Flights to Laayoune Hassan I
Flights to Edremit/Korfez
Flights to Vava'u Lupepau'U
Flights to Surigao
Flights to Melilla
Flights to Virac
Flights to Rhinelander Oneida County
Flights to Cornwall Newquay
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Mason City
Flights to Ningbo Lishe Intl
Flights to Miyakojima Hirara
Flights to Kirkwall Arpt
Flights to Girona Costa Brava
Flights to Provincetown
Flights to Perugia Sant Egidio
Flights to Samos
Flights to Constanţa Mihail Kogalniceanu
Flights to Dharamshala Kangra
Flights to Dalaman
Flights to Pellston Emmet County

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Louisville by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines