$144 Cheap United flights St. Louis (STL) to Fort Lauderdale (FLL)

View $144 flight on Wed, Feb 11, 2026Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$144 Cheap United flights St. Louis (STL) to Fort Lauderdale (FLL)

Prices were available within the past 7 days and start at $144 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 14 - Wed, Oct 22
STL
St. Louis
FLL
Fort Lauderdale
$287 Roundtrip, found 3 hours ago
$287
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 14 from St. Louis to Fort Lauderdale, returning Wed, Oct 22, priced at $287 found 3 hours ago
Flights from St. Louis (STL) to Fort Lauderdale (FLL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Fort Lauderdale - Hollywood Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
1057 mi
Average flight time
3 hours 40 mins

Frequently asked questions

How much is a United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Fort Lauderdale - Hollywood Intl. Airport (FLL)?
Finding cheap one-way United Airlines flights from STL to FLL from $144 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $287 for your next getaway.**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.
What is the cheapest month to fly from STL to FLL with United Airlines?
September is one of the cheapest months to jet away to Fort Lauderdale with United Airlines. You could also find excellent prices on one-way and round-trip fares in October.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Fort Lauderdale - Hollywood Intl. Airport (FLL) with United Airlines?
Look for affordable United Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Fort Lauderdale - Hollywood Intl. Airport (FLL) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.
Does United Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Fort Lauderdale - Hollywood Intl. Airport (FLL)?
Simply enter your dates, press search and check the "Nonstop" filter on Expedia to browse any direct flights from STL to FLL with United Airlines or another airline.
What is the earliest United Airlines flight from STL to FLL?
Search United Airlines's earliest flights from STL to FLL by using our "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.
What airports does United Airlines fly into in Fort Lauderdale?
Fort Lauderdale - Hollywood Intl. Airport (FLL) is the primary Fort Lauderdale hub for United Airlines flights from Lambert-St. Louis Intl. Airport (STL).
Why fly with United Airlines from STL to FLL?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to leave from STL to FLL with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Fort Lauderdale - Hollywood Intl. Airport (FLL)?
Depending on your ticket type, a fee generally applies if you cancel or change your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when searching for flights. For more details on canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.