$132 Cheap Flights from Fort Myers (RSW) to St. Louis (STL)

  • 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
Find available prices by choosing your travel dates.

Cheap Flights from Fort Myers to St. Louis (RSW-STL)

Prices were available within the past 7 days and start at $132 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
American Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
United
Delta
Sun Country Airlines

Frequently asked questions

How much does a flight from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag cheap return tickets starting at $305 from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving RSW on May 11 2025 and touching down at STL. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from RSW to STL?
The cheapest flights from RSW to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
Board a nonstop flight with Southwest Airlines and head straight from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from RSW to STL?
With tickets starting at $162 for a one-way flight from RSW to STL, Southwest Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from RSW on May 12 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
With, on average, 3 nonstop flights that operate from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL) each day, you’ll be jetting off in no time.
What are the most popular departure times for flights from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
The 8 AM departures from RSW to STL are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from RSW to STL?
Depart on a Friday if you’re looking for the largest selection of flights from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
Catch the earliest flight at around 6:45AM UTC-5, heading out of Southwest Florida Intl. Airport (RSW). You’ll be traveling for roughly 2h 45m, coming in to land at Lambert-St. Louis Intl. Airport (STL) at approximately 8:30AM UTC-6.
How long does it take to fly from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
The average flight time from RSW to STL is 2 hours and 46 minutes, covering a distance of 980 mi.
What airline has the least delays from RSW to STL?
Southwest Airlines has the best performance for on-time direct flights from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL), with an on-time rating of 82%. Use the Expedia App to check your flight schedule before you leave and get real-time alerts about any changes.
What is the best time to fly from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
To land at Lambert-St. Louis Intl. Airport (STL) on schedule, book a flight that leaves from Southwest Florida Intl. Airport (RSW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for St. Louis from Southwest Florida Intl. Airport (RSW)?
If you’re taking a direct flight from Southwest Florida Intl. Airport (RSW) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from RSW to STL are usually more expensive. To lock in the lowest prices, start searching for flights as early as possible. That said, if you’re flexible with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a RSW to STL flight and hotel package?
Booking a RSW to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Southwest Florida Intl. Airport (RSW) to Lambert-St. Louis Intl. Airport (STL)?
Generally, it’s possible to reschedule or cancel your RSW to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.