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Cheap flights from Louisville to St. Louis (SDF - STL) from $69

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 5/14. 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.
SDF — STL
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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Cheap flight deals from Louisville to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 April 27, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$323

One-way from

$69
High demand for flights, 25% potential price rise
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Best time to find cheap flights, 32% potential price drop
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From Louisville Intl to Lambert-St Louis
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One-way flight from Louisville Intl to Lambert-St Louis
Search Deals

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

Wednesday flights are found to be more expensive to fly from Louisville to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to St. Louis. Flights to St. Louis from Louisville in August are about $358 on average during August, but can be found for as low as $219.

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

One of the essential ways to save on airfare from Louisville to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 35% on airfare.

Cheap Delta flights from Louisville to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Louisville and St. Louis. 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 2,991,349 searches. Data last updated April 27, 2024.
Check out some of the cheapest Delta flights we've come across from Louisville to St. Louis. Make sure to double check the flight details before booking.
Mon 5/1310:48 amSDF - STL
1 stop6h 09mDelta
Fri 5/173:27 pmSTL - SDF
1 stop5h 23mDelta
Deal found 4/26$403
Tue 5/148:08 pmSDF - STL
1 stop4h 32mDelta
Wed 5/156:30 pmSTL - SDF
1 stop4h 29mDelta
Deal found 4/25$435

Cheap American Airlines flights from Louisville to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Louisville and St. Louis. 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 2,991,349 searches. Data last updated April 27, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Louisville to St. Louis. Deals frequently update to provide users with more options.
Fri 8/304:02 pmSDF - STL
1 stop6h 05mAmerican Airlines
Mon 9/26:58 pmSTL - SDF
1 stop3h 49mAmerican Airlines
Deal found 4/26$311
Mon 7/158:18 pmSDF - STL
1 stop4h 36mAmerican Airlines
Thu 7/185:46 pmSTL - SDF
1 stop5h 07mAmerican Airlines
Deal found 4/26$321
Fri 8/304:02 pmSDF - STL
2 stops6h 33mAmerican Airlines
Mon 9/22:38 pmSTL - SDF
1 stop6h 12mAmerican Airlines
Deal found 4/26$413
Tue 5/146:45 amSDF - STL
1 stop4h 08mAmerican Airlines
Wed 5/152:00 pmSTL - SDF
1 stop7h 21mAmerican Airlines
Deal found 4/26$455
Mon 5/133:43 pmSDF - STL
2 stops7h 04mAmerican Airlines
Fri 5/174:20 pmSTL - SDF
1 stop5h 01mAmerican Airlines
Deal found 4/26$460
Fri 8/304:02 pmSDF - STL
2 stops7h 22mAmerican Airlines
Mon 9/24:20 pmSTL - SDF
2 stops6h 27mAmerican Airlines
Deal found 4/26$465
Mon 7/158:18 pmSDF - STL
1 stop4h 36mAmerican Airlines
Thu 7/185:17 amSTL - SDF
2 stops8h 52mAmerican Airlines
Deal found 4/26$508
Mon 7/157:30 amSDF - STL
2 stops10h 26mAmerican Airlines
Thu 7/185:17 amSTL - SDF
2 stops8h 52mAmerican Airlines
Deal found 4/26$562

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

Find cheap flight options from Louisville to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 2024.
Scroll through some of the best deals on flights from Louisville to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Sun 5/2610:29 amSDF - STL
1 stop8h 00mSpirit Airlines
Tue 5/282:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/27$175
Sun 5/268:50 amSDF - STL
1 stop8h 27mAmerican Airlines
Wed 5/299:51 amSTL - SDF
1 stop9h 59mAmerican Airlines
Deal found 4/27$176
Mon 5/2710:29 amSDF - STL
1 stop24h 10mSpirit Airlines
Tue 5/282:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/27$207
Tue 4/307:43 amSDF - STL
1 stop7h 01mSpirit Airlines
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/26$242
Mon 5/137:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Fri 5/174:05 pmSTL - SDF
2 stops22h 31mSpirit Airlines
Deal found 4/26$244
Tue 4/307:43 amSDF - STL
1 stop7h 01mSpirit Airlines
Tue 5/212:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/26$249
Sun 5/2610:29 amSDF - STL
1 stop8h 00mSpirit Airlines
Thu 5/306:19 pmSTL - SDF
1 stop13h 25mSpirit Airlines
Deal found 4/27$263
Sat 5/256:00 amSDF - STL
1 stop4h 05mDelta
Sat 6/17:10 amSTL - SDF
1 stop6h 02mDelta
Deal found 4/27$264
Mon 5/137:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Fri 5/174:05 pmSTL - SDF
3 stops30h 09mSpirit Airlines
Deal found 4/26$282

Louisville to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Louisville and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Scroll through some of the best deals on flights from Louisville to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Sun 5/2610:29 amSDF - STL
1 stop8h 00mSpirit Airlines
Tue 5/282:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/27$175
Sun 5/268:50 amSDF - STL
1 stop8h 27mAmerican Airlines
Wed 5/299:51 amSTL - SDF
1 stop9h 59mAmerican Airlines
Deal found 4/27$176
Mon 5/2710:29 amSDF - STL
1 stop24h 10mSpirit Airlines
Tue 5/282:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/27$207
Tue 4/307:43 amSDF - STL
1 stop7h 01mSpirit Airlines
Tue 5/142:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/26$242
Mon 5/137:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Fri 5/174:05 pmSTL - SDF
2 stops22h 31mSpirit Airlines
Deal found 4/26$244
Tue 4/307:43 amSDF - STL
1 stop7h 01mSpirit Airlines
Tue 5/212:35 pmSTL - SDF
1 stop7h 39mSpirit Airlines
Deal found 4/26$249
Sun 5/2610:29 amSDF - STL
1 stop8h 00mSpirit Airlines
Thu 5/306:19 pmSTL - SDF
1 stop13h 25mSpirit Airlines
Deal found 4/27$263
Sat 5/256:00 amSDF - STL
1 stop4h 05mDelta
Sun 5/2612:00 pmSTL - SDF
1 stop4h 34mDelta
Deal found 4/27$264
Mon 5/137:43 amSDF - STL
2 stops26h 56mSpirit Airlines
Fri 5/174:05 pmSTL - SDF
3 stops30h 09mSpirit Airlines
Deal found 4/26$282

Louisville to St. Louis flights leaving soon

Find last-minute flight options from Louisville to St. Louis 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 2,991,349 searches. Data last updated April 27, 2024.
Book one of these great deals on flights from Louisville to St. Louis. To prevent any unwanted surprises, users should verify their flight info before booking.
Fri 5/36:24 pmSDF - STL
1 stop17h 16mSpirit Airlines
Sun 5/56:24 pmSTL - SDF
1 stop14h 32mSpirit Airlines
Deal found 4/26$264
Sat 5/410:51 amSDF - STL
1 stop7h 43mMultiple Airlines
Sun 5/57:00 amSTL - SDF
2 stops15h 41mMultiple Airlines
Deal found 4/26$297
Sat 5/410:51 amSDF - STL
1 stop7h 43mSpirit Airlines
Sun 5/56:24 pmSTL - SDF
1 stop14h 32mSpirit Airlines
Deal found 4/26$298
Fri 5/39:40 pmSDF - STL
2 stops14h 00mMultiple Airlines
Sun 5/56:24 pmSTL - SDF
1 stop14h 32mMultiple Airlines
Deal found 4/26$316
Sat 5/410:51 amSDF - STL
1 stop7h 43mMultiple Airlines
Sun 5/57:00 amSTL - SDF
3 stops25h 56mMultiple Airlines
Deal found 4/26$329
Fri 5/39:40 pmSDF - STL
2 stops14h 00mMultiple Airlines
Sun 5/57:00 amSTL - SDF
2 stops15h 41mMultiple Airlines
Deal found 4/26$370
Sat 5/410:51 amSDF - STL
3 stops25h 39mMultiple Airlines
Sun 5/53:55 pmSTL - SDF
3 stops17h 01mMultiple Airlines
Deal found 4/26$472

One-way flights to St. Louis from Louisville

Search for one-way flight options from Louisville to St. Louis. 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 2,991,349 searches. Data last updated April 27, 2024.
Take a look at some of the one-way flights we've detected from Louisville to St. Louis. Those needing a return flight from Louisville to St. Louis can use the search form above.
Tue 5/147:43 amSDF - STL
1 stop6h 54mSpirit Airlines
Deal found 4/25$69
Tue 5/147:43 amSDF - STL
3 stops28h 03mSpirit Airlines
Deal found 4/25$110
Tue 5/146:27 pmSDF - STL
2 stops17h 19mSpirit Airlines
Deal found 4/25$115
Sun 5/59:10 pmSDF - STL
3 stops24h 10mMultiple Airlines
Deal found 4/26$237
Sun 5/57:43 amSDF - STL
1 stop11h 57mSpirit Airlines
Deal found 4/26$283
Sun 5/59:10 pmSDF - STL
2 stops20h 02mSpirit Airlines
Deal found 4/26$284

Find flights from Louisville to St. Louis within your budget

Customize your flight search to find flights from Louisville 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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$244 - $435

Route

Depart

Return

Price

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

2 stops26h 56m

Lambert-St Louis

Fri 5/17

2 stops22h 31m

$244

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

2 stops26h 56m

Lambert-St Louis

Fri 5/17

3 stops30h 09m

$282

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Fri 8/30

1 stop6h 05m

Lambert-St Louis

Mon 9/2

1 stop3h 49m

$311

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

2 stops26h 56m

Lambert-St Louis

Fri 5/17

3 stops21h 51m

$316

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 7/15

1 stop4h 36m

Lambert-St Louis

Thu 7/18

1 stop5h 07m

$321

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

3 stops28h 08m

Lambert-St Louis

Fri 5/17

3 stops30h 09m

$340

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

3 stops23h 35m

Lambert-St Louis

Fri 5/17

3 stops21h 51m

$395

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 5/13

1 stop6h 09m

Lambert-St Louis

Fri 5/17

1 stop5h 23m

$403

Louisville IntlLambert-St Louis

SDF - STL

SDFSTL

Louisville Intl

Tue 5/14

1 stop4h 32m

Lambert-St Louis

Wed 5/15

1 stop4h 29m

$435

Flights are sorted by cheapest first

Deals found on 4/26

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Louisville to St. Louis flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Louisville to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Louisville to St. Louis is currently $183 while a round-trip flight costs $339. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Louisville to St. Louis (average of $323). Flying from Louisville to St. Louis in July is currently the most expensive (average of $378). 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

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 April 27, 2024.
Peruse reviews from past customers who have flown with Delta, American Airlines and Spirit Airlines from Louisville to St. Louis to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,875 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Spirit Airlines
6.4
Okay
8,743 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

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 Louisville to St. Louis. 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 Louisville to St. Louis for under $300 on Cheapflights?

    Yes, there are multiple flights from Louisville to St. Louis for under $300. The cheapest flight booked recently is on Spirit Airlines for just $244, but on average you can expect to pay $394.

  • Are there last-minute flights available from Louisville to St. Louis for under $300?

    There are currently 7+ open flights from Louisville to St. Louis within the next 7 days for less than $300.

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

    According to our current data, Spirit Airlines ($244), American Airlines ($311), and Delta ($403) offers the cheapest pricing from Louisville to St. Louis. Spirit Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular airlines that fly from Louisville to St. Louis?

    Before booking your flight from Louisville to St. Louis check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

  • What does SDF to STL mean?

    Great question - SDF to STL just means Louisville Intl Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville 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.

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

    Many airlines flying from Louisville to St. Louis 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 Louisville to St. Louis?

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

    The Louisville to St. Louis flight deals you see on this page were last updated on 4/27.

See more FAQs

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

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Top 3 airlines flying from Louisville to St. Louis

Discover the top 3 airlines that operate flights from Louisville 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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$206Average$361FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$219Average$355FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$258Average$302FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Louisville to St. Louis by cabin class

Find flights from Louisville to St. Louis, 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

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 Louisville to St. Louis?

Cheapflights makes it easy to find Louisville to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Louisville to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Not ready to book yet? You can track prices for flights from Louisville to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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