Cheap flights from St. Louis to Louisville from $103
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Louisville departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from St. Louis to Louisville
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How to get the cheapest flight ticket from St. Louis to Louisville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Louisville?
On average, the least expensive day to fly to Louisville from St. Louis is on a Thursday. momondo users have found tickets for Thursday departures for as low as $346. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Louisville on a Monday will generally be more expensive and average around $391. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Louisville?
Our data shows that the cheapest St. Louis to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $350. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $438 per ticket.
What is the cheapest airline that flies from Lambert-St Louis to Louisville Intl?
Spirit Airlines and Southwest are the most popular carriers operating from Lambert-St Louis to Louisville Intl
What airlines fly to Louisville?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Louisville from St. Louis according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 5 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Louisville
Cheap St. Louis to Louisville (STL to SDF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Louisville
How far is Lambert-St Louis to Louisville Intl by plane?
There are 241.7 mi between Lambert-St Louis and Louisville Intl. By plane, this route typically takes 3h 47m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Louisville Intl Airport?
Prices for flights from Lambert-St Louis Airport to Louisville Intl Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Louisville Intl Airport?
As of May 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Louisville Intl Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from St. Louis to Louisville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Louisville is Southwest (54% of total bookings). The next most popular airline is American Airlines (46%).
Best airlines flying from St. Louis to Louisville
Compare and see reviews for airlines that fly from St. Louis to Louisville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $216 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $220 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Louisville?
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Why should I use momondo to find a flight deal from St. Louis to Louisville?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from St. Louis.
Can I find flights from St. Louis to Louisville with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Louisville from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Louisville?
Once you have performed a search for St. Louis to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Louisville right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Louisville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.