HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Louisville (STL - SDF) from $160

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 7/19. 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
Jun 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
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 31, 2024.

Popular in

October

Cheapest in

March

Round-trip from

$287

One-way from

$160
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 39% 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 $394 on average during March, but can be found for as low as $165.

What is the cheapest time of day to fly from STL to 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 20% on airfare.

Cheap American Airlines flights from St. Louis to Louisville

Explore cheap flight options specifically provided by American 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 2,765,679 searches. Data last updated May 31, 2024.
Thu 6/135:15 amSTL - SDF
1 stop4h 33mAmerican Airlines
Fri 6/148:16 pmSDF - STL
1 stop4h 47mAmerican Airlines
Deal found 5/30$429
Thu 6/133:27 pmSTL - SDF
1 stop5h 40mAmerican Airlines
Fri 6/147:25 amSDF - STL
2 stops10h 23mAmerican Airlines
Deal found 5/30$458
Sun 6/91:42 pmSTL - SDF
2 stops7h 25mAmerican Airlines
Fri 6/1411:18 amSDF - STL
1 stop6h 30mAmerican Airlines
Deal found 5/30$637

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 2,765,679 searches. Prices were last updated on May 31, 2024.
Fri 6/283:27 pmSTL - SDF
1 stop5h 40mAmerican Airlines
Fri 7/56:45 amSDF - STL
1 stop7h 31mAmerican Airlines
Deal found 5/31$287
Thu 6/136:22 pmSTL - SDF
1 stop14h 40mMultiple Airlines
Fri 6/148:35 pmSDF - STL
3 stops21h 53mMultiple Airlines
Deal found 5/30$310
Fri 6/286:08 pmSTL - SDF
1 stop3h 36mAmerican Airlines
Fri 7/53:20 pmSDF - STL
2 stops7h 34mAmerican Airlines
Deal found 5/31$318
Thu 6/68:12 pmSTL - SDF
2 stops13h 49mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$328
Thu 6/66:22 pmSTL - SDF
1 stop14h 40mSpirit Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mSpirit Airlines
Deal found 5/30$329
Mon 6/172:41 pmSTL - SDF
2 stops22h 51mMultiple Airlines
Wed 6/195:45 amSDF - STL
3 stops32h 05mMultiple Airlines
Deal found 5/30$350
Mon 6/177:45 amSTL - SDF
3 stops26h 23mMultiple Airlines
Wed 6/195:45 amSDF - STL
3 stops32h 05mMultiple Airlines
Deal found 5/30$377
Thu 6/612:15 pmSTL - SDF
3 stops20h 47mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$382
Fri 6/283:07 pmSTL - SDF
2 stops24h 30mSpirit Airlines
Fri 7/511:03 amSDF - STL
2 stops24h 31mSpirit Airlines
Deal found 5/31$400

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 2,765,679 searches. Data last updated May 31, 2024.
Fri 6/283:27 pmSTL - SDF
1 stop5h 40mAmerican Airlines
Fri 7/56:45 amSDF - STL
1 stop7h 31mAmerican Airlines
Deal found 5/31$287
Thu 6/136:22 pmSTL - SDF
1 stop14h 40mMultiple Airlines
Fri 6/148:35 pmSDF - STL
3 stops21h 53mMultiple Airlines
Deal found 5/30$310
Fri 6/286:08 pmSTL - SDF
1 stop3h 36mAmerican Airlines
Fri 7/53:20 pmSDF - STL
2 stops7h 34mAmerican Airlines
Deal found 5/31$318
Thu 6/68:12 pmSTL - SDF
2 stops13h 49mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$328
Thu 6/66:22 pmSTL - SDF
1 stop14h 40mSpirit Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mSpirit Airlines
Deal found 5/30$329
Mon 6/172:41 pmSTL - SDF
2 stops22h 51mMultiple Airlines
Wed 6/195:45 amSDF - STL
3 stops32h 05mMultiple Airlines
Deal found 5/30$350
Mon 6/177:45 amSTL - SDF
3 stops26h 23mMultiple Airlines
Wed 6/195:45 amSDF - STL
3 stops32h 05mMultiple Airlines
Deal found 5/30$377
Thu 6/612:15 pmSTL - SDF
3 stops20h 47mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$382
Fri 6/283:07 pmSTL - SDF
2 stops24h 30mSpirit Airlines
Fri 7/511:03 amSDF - STL
2 stops24h 31mSpirit Airlines
Deal found 5/31$400

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 2,765,679 searches. Data last updated May 31, 2024.
Thu 6/68:12 pmSTL - SDF
2 stops13h 49mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$328
Thu 6/66:22 pmSTL - SDF
1 stop14h 40mSpirit Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mSpirit Airlines
Deal found 5/30$329
Thu 6/612:15 pmSTL - SDF
3 stops20h 47mMultiple Airlines
Sun 6/97:45 amSDF - STL
1 stop11h 20mMultiple Airlines
Deal found 5/30$382
Sun 6/96:30 amSTL - SDF
1 stop6h 10mDelta
Fri 6/148:15 pmSDF - STL
1 stop4h 28mDelta
Deal found 5/30$459
Thu 6/68:12 pmSTL - SDF
2 stops13h 49mMultiple Airlines
Sun 6/97:45 amSDF - STL
3 stops37h 10mMultiple Airlines
Deal found 5/30$490
Thu 6/612:15 pmSTL - SDF
3 stops20h 47mMultiple Airlines
Sun 6/97:45 amSDF - STL
3 stops37h 10mMultiple Airlines
Deal found 5/30$542
Sun 6/91:42 pmSTL - SDF
2 stops7h 25mAmerican Airlines
Fri 6/1411:18 amSDF - STL
1 stop6h 30mAmerican Airlines
Deal found 5/30$637

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 2,765,679 searches. Data last updated May 31, 2024.
Fri 7/194:02 pmSTL - SDF
1 stop26h 53mSpirit Airlines
Deal found 5/30$160
Fri 7/194:02 pmSTL - SDF
2 stops22h 30mSpirit Airlines
Deal found 5/30$210
Fri 7/197:45 amSTL - SDF
3 stops24h 30mMultiple Airlines
Deal found 5/30$217

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 2,765,679 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$310 - $509

Route

Depart

Return

Price

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Thu 6/13

1 stop14h 40m

Louisville Intl

Fri 6/14

3 stops21h 53m

$310

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Mon 6/17

2 stops22h 51m

Louisville Intl

Wed 6/19

3 stops32h 05m

$350

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Mon 6/17

3 stops26h 23m

Louisville Intl

Wed 6/19

3 stops32h 05m

$377

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Thu 6/13

3 stops25h 17m

Louisville Intl

Fri 6/14

3 stops21h 53m

$414

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Thu 6/13

1 stop4h 33m

Louisville Intl

Fri 6/14

1 stop4h 47m

$429

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Thu 6/13

2 stops13h 49m

Louisville Intl

Fri 6/14

3 stops21h 53m

$435

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Thu 6/13

1 stop5h 40m

Louisville Intl

Fri 6/14

2 stops10h 23m

$458

Lambert-St LouisLouisville Intl

STL - SDF

STLSDF

Lambert-St Louis

Mon 6/17

2 stops22h 51m

Louisville Intl

Wed 6/19

2 stops16h 21m

$509

Flights are sorted by cheapest first

Deals found on 5/30

What is the cheapest day 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 26, 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

Best time to book a flight from St. Louis to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from St. Louis 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.

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 31, 2024.
American Airlines
7.3
Good
14,282 reviews
Check prices

Crew

8.0

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Food

6.6

Overall

7.3

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
14,282 reviews
American Airlines
7.3
Good
14,282 reviews
Check prices

Crew

8.0

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Food

6.6

Overall

7.3

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
8,610 reviews
American Airlines
7.3
Good
14,282 reviews
Check prices

Crew

8.0

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Food

6.6

Overall

7.3

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 $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Louisville for under $400. The cheapest flight booked recently is on Multiple Airlines for just $310, but on average you can expect to pay $410.

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

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

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

    Our cheapest airline available from St. Louis to Louisville is American Airlines. Our recent data shows that you can find tickets from as low as $429 on this airline.

  • 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 5/31.

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

    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.

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 Louisville flights
St. Louis to Nashville flights
Kansas City to Cincinnati flights
Kansas City to Lexington flights
Kansas City to Knoxville flights
St. Louis to Knoxville flights
Kansas City to Blountville flights
Springfield to Nashville flights
St. Louis to Cincinnati flights
Springfield to Lexington flights
Springfield to Knoxville flights
Springfield to Louisville flights
St. Louis to Lexington flights
Columbia to Nashville flights
Springfield to Paducah flights
Kansas City to Huntington flights
St. Louis to Owensboro flights
Joplin to Louisville flights
St. Louis to Blountville flights
Columbia to Knoxville 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 2,765,679 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$173Average$371FlexibilityNo 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 Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

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