$125 Cheap Flights from Lafayette (LFT) to St. Louis (STL)

View $125 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Lafayette Regional Airport (LFT) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Lafayette to St. Louis (LFT-STL)

Prices were available within the past 7 days and start at $125 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 31 - Mon, Nov 10
LFT
Lafayette
STL
St. Louis
$249 Roundtrip, found 3 hours ago
$249
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Oct 31 from Lafayette to St. Louis, returning Mon, Nov 10, priced at $249 found 3 hours ago
American Airlines
Fri, Oct 31 - Sat, Nov 8
LFT
Lafayette
STL
St. Louis
$249 Roundtrip, found 3 hours ago
$249
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Lafayette to St. Louis, returning Sat, Nov 8, priced at $249 found 3 hours ago
United
Thu, Apr 16 - Sun, Apr 19
LFT
Lafayette
STL
St. Louis
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Apr 16 from Lafayette to St. Louis, returning Sun, Apr 19, priced at $249 found 1 hour ago
Delta
Wed, Oct 29 - Fri, Oct 31
LFT
Lafayette
STL
St. Louis
$250 Roundtrip, found 21 hours ago
$250
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 29 from Lafayette to St. Louis, returning Fri, Oct 31, priced at $250 found 21 hours ago
Delta
Tue, Dec 2 - Wed, Dec 3
LFT
Lafayette
STL
St. Louis
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 2 from Lafayette to St. Louis, returning Wed, Dec 3, priced at $251 found 4 days ago
American Airlines
Fri, Oct 31 - Sat, Nov 8
LFT
Lafayette
STL
St. Louis
$254 Roundtrip, found 3 hours ago
$254
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Lafayette to St. Louis, returning Sat, Nov 8, priced at $254 found 3 hours ago
United
Fri, Oct 31 - Sat, Nov 8
LFT
Lafayette
STL
St. Louis
$254 Roundtrip, found 3 hours ago
$254
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 31 from Lafayette to St. Louis, returning Sat, Nov 8, priced at $254 found 3 hours ago
Delta
Sat, Oct 18 - Tue, Oct 21
LFT
Lafayette
STL
St. Louis
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 18 from Lafayette to St. Louis, returning Tue, Oct 21, priced at $259 found 1 day ago
United
Fri, Apr 17 - Mon, Apr 20
LFT
Lafayette
STL
St. Louis
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 17 from Lafayette to St. Louis, returning Mon, Apr 20, priced at $262 found 1 day ago
United
Thu, Oct 16 - Sat, Oct 18
LFT
Lafayette
STL
St. Louis
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 16 from Lafayette to St. Louis, returning Sat, Oct 18, priced at $264 found 6 days ago

Find the cheapest month to fly from Lafayette (LFT) to St. Louis (STL)

May is typically the cheapest month to fly

From $198 - $545 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $254
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $254
Flights from Lafayette (LFT) to St. Louis (STL)
Origin airport
Lafayette Regional
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
597 mi

Lafayette to St. Louis Flights

The cheapest times to fly from Lafayette to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lafayette to St. Louis are during the month of October. You can find some of the cheapest flights from Lafayette to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lafayette to St. Louis

Sunday is one of the best days to book for cheap flights from Lafayette to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lafayette to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lafayette to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lafayette to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lafayette to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $125 or cheap return flight from $249 from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL)?
October is the most affordable month to fly from LFT to STL. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LFT to STL flight.
How many flights per day from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to book a flight with a layover if you're traveling from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from LFT to STL?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until right before your break to book a flight from LFT to STL generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a LFT to STL flight and hotel package?
Securing a LFT to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can modify or cancel your LFT to STL flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.