Cheap Flights from Louisville Muhammad Ali International to St Louis

Compare Louisville Muhammad Ali International to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Louisville Muhammad Ali International to St Louis

Looking for a cheap last-minute deal or the best return flight from Louisville Muhammad Ali International Airport to St Louis Airport? If you want to travel next month, return fares start from R 4,851. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Louisville Muhammad Ali International to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Louisville Muhammad Ali International to St Louis flights are currently cheapest in July.

Louisville Muhammad Ali International to St Louis: Alternative routes

Compare routes from Louisville Muhammad Ali International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Louisville to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 2,119
Cheapest month to flyJuly

Finding cheap flights from Louisville Muhammad Ali International to St Louis: Frequently asked questions

The best price we found for a return flight from Louisville Muhammad Ali International to St Louis is R 4,840. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Louisville Muhammad Ali International to St Louis. But we found flights with one or more stops from R 4,825.
As of May 2026, there are no flights flying from Louisville Muhammad Ali International to St Louis.
The cheapest month to fly from Louisville Muhammad Ali International to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Louisville Muhammad Ali International Airport to St Louis Airport on Thursday, 25 June 2026.
No airlines currently offer direct flights between Louisville Muhammad Ali International Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Breeze Airways offers the cheapest flight tickets to St Louis.

Travelling from Louisville International Airport-Standiford Field (SDF) to Lambert-St. Louis International Airport (STL): what you need to know

  • The timezone in St Louis is UTC-5, which is one hour behind Louisville.

  • Get to the airport on time so you don't miss your SDF to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months like July, it's a good idea to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport. Here are the top stopovers between SDF and STL:

    • O'Hare International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Chicago Midway International Airport

How to find the cheapest flights from Louisville International Airport-Standiford Field (SDF) to Lambert-St. Louis International Airport (STL)

  • The cheapest price we've found for a one-way Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport flight is R 2,119. A return ticket right now is R 4,840. Depending on the availability when you book, these fares can change.

  • It's a good idea to book early if you want to find cheap tickets from SDF to STL. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport is more likely if you're flexible with your travel plans. Use the 'Whole month' search tool to see the best prices throughout the month and snap up a great deal.

  • Landing cheap flights from SDF to STL is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Tailor your trip with filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport.

Handy information about Louisville International Airport-Standiford Field (SDF)

  • SDF's address is 600 Terminal Drive.

  • Of the flights that depart from Louisville International Airport-Standiford Field, 77.69% land on schedule at their destination.

  • To get to Louisville International Airport-Standiford Field from central Louisville, it takes around 25 minutes if you're travelling by car. This depends on traffic, however. It's approximately 23 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 2 hours 40 minutes.

  • Looking for a handy hotel near SDF? If you've booked an early flight from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport to the centre of St Louis has a drive time of around 20 minutes. It's approximately 26 kilometres away.

  • If you're using public transport, expect a journey of around 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport is April, while July is the most popular. Choose the ideal time to go to St Louis based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in St Louis is July, with temperatures ranging between 17ºC (63ºF) and 33ºC (91ºF). Book your flights from Louisville International Airport-Standiford Field to Lambert-St. Louis International Airport in this month if this is the type of weather you like.

  • January sees average temperatures of between -8ºC (18ºF) and 7ºC (45ºF). Look for cheap tickets from SDF to STL around that time if you like cooler conditions.

Explore more of United States

  • St Louis has plenty to offer, but there are so many other corners of United States just waiting to be discovered. Around 418 kilometres north-east of St Louis, a trip to Chicago will keep your itinerary busy. Don't miss top attractions like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 370 kilometres east of St Louis, Indianapolis is another essential stop in United States. Get a taste of what this destination has to offer at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.