$100 Cheap American Airlines flights Lafayette (LFT) to St. Louis (STL)

Scoring cheap one-way American Airlines flights from LFT to STL from $100 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $224 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to St. Louis are usually cheaper in the low-season months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Start searching one to three months ahead of your departure date to get cheaper fares on American Airlines flights from Lafayette Regional Airport (LFT) to Lambert-St. Louis Intl. Airport (STL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct journey from LFT to STL with American Airlines or any other airlines, select the “Nonstop” filter when looking for flights.

To find the earliest departure from LFT to STL with American Airlines, filter your search by “Morning” and “Early Morning.” Choosing an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

American Airlines flights from Lafayette Regional Airport (LFT) to St. Louis land at Lambert-St. Louis Intl. Airport (STL). This is the main gateway here.

In most cases, you can cancel or reschedule your flight, although additional fees may apply if you made your booking more than 24 hours ago. Want to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t penalize you if you have to revise your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.