Cheap flights from Louisville to St. Louis from $99
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to St. Louis departing on 8/14. 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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American Airlines flights from Louisville to St. Louis
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Delta flights from Louisville to St. Louis
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How to get the cheapest flight ticket from Louisville to St. Louis
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 St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $297. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $475. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Louisville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $304 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $344 per ticket.
What is the cheapest Louisville Intl to Lambert-St Louis flight route?
Fly from Louisville Intl to Lambert-St Louis for the best Louisville Intl - Lambert-St Louis flight prices
What cabin class options are available on Louisville Intl to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Louisville Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Louisville Intl to Lambert-St Louis?
Delta, Southwest, and Spirit Airlines are the most popular carriers operating from Louisville Intl to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to St. Louis from Louisville according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
When to book flights from Louisville to St. Louis
Cheap Louisville to St. Louis (SDF to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to St. Louis
How far is Louisville Intl to Lambert-St Louis by plane?
Lambert-St Louis is 241.7 mi away from Louisville Intl. 3h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Louisville Intl Airport to Lambert-St Louis Airport?
Prices for flights from Louisville Intl Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Lambert-St Louis Airport?
There is 1 operator available for flights from Louisville Intl Airport to Lambert-St Louis Airport as of June 2025.
How old do you have to be to fly from Louisville Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to St. Louis?
Based on momondo bookings for flights between Louisville and St. Louis, the leading airline is Delta, making up 100% of the total bookings.
Best airlines flying from Louisville to St. Louis
Compare and see reviews for airlines that fly from Louisville to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $226 | Free Cancellation | Rating 8.0 7,950 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Louisville to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Louisville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Louisville to St. Louis?
Once you have performed a search for Louisville to St. Louis 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 Louisville to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Louisville and alert you when they change.