Cheap Flights from St. Louis (STL) to Key West (EYW)

Popular airlines from Lambert-St. Louis International Airport (STL) to Key West Intl. Airport (EYW)

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Find the cheapest month to fly from St. Louis (STL) to Key West (EYW)

May is typically the cheapest month to fly

From CA $272 - CA $771 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Key West (STL - EYW) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Key West Intl.
Distance
1763 km

St. Louis to Key West Flights

The easy way to book your flights from St. Louis to Key West 

With Expedia, it’s simple to find and book flights to Key West from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Key West Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Key West today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Key West Intl., EYW 

Sort your search results by price to find great deals on your flight from St. Louis to Key West—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Key West from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Key West  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Key West from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Key West with Expedia today.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to Key West Intl. Airport (EYW)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between STL and EYW was . Cheap tickets don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to EYW?
This differs between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Key West Intl. Airport (EYW) that have flexible change policies?
Flights from STL to Key West Intl. Airport (EYW) offering flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between flights, without any extra fees to worry about.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to EYW?
The flight time from Lambert Field to EYW is about 5 hours and 15 minutes. Put your headphones on, listen to a gripping podcast and your time in the air will fly by.
How far is the flight from STL to Key West Intl. Airport (EYW)?
Around 1,800 kilometres separates St. Louis and Key West, so pack some entertainment to keep you busy for a few hours. That juicy novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Key West Intl. Airport (EYW)?
If you want to travel straight from Lambert-St. Louis Intl. Airport (STL) to Key West Intl. Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Lambert-St. Louis Intl. Airport (STL) to EYW flight tickets cheaper when they're purchased at the last minute?
Tickets from STL to EYW are available up to a year prior to departure on Expedia. And although you may nab a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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