$230 Cheap Flights from St. Louis to Key West

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Lambert-St. Louis Intl. to Key West Intl.

Amazing STL to EYW Flight Deals

The cheapest flights to Key West Intl. found within the past 7 days were $369 round trip and $230 one way. Prices and availability subject to change. Additional terms may apply.

Best Key West Intl. Flight and Hotel Packages

Key West Intl. flight + hotel packages - economy flights

The Southernmost Inn - Adults Only
Kimpton Ridley House, an IHG Hotel
Pier House Resort & Spa
Margaritaville Beach House Key West
The Reach Key West, Curio Collection by Hilton
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Frequently asked questions

Can I catch a flight from Lambert-St. Louis Intl. Airport (STL) to Key West Intl. Airport (EYW) right now?
It’s wise to know about any travel advice reports and quarantine requirements in effect in your destination city. Make sure you visit our Covid-19 Travel Advisor for up-to-date info on flying to Key West Intl. Airport from Lambert-St. Louis Intl. Airport (STL).
Are there direct flights from STL to Key West Intl. Airport (EYW)?
Factor in time for a stopover when jetting from St. Louis Lambert International Airport to Key West Intl. Airport (EYW). You won’t find any direct flights on this route, however American Airlines, United Airlines and Delta will get you to Monroe County as quickly as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Key West Intl. Airport, please visit our Customer Service Portal.
How long is the flight from STL to Key West Intl. Airport?
It typically takes about 4 hours and 40 minutes to travel from STL to EYW. You’ll be in your seat for a while, so keep yourself amused with a television show or flip through a magazine.
What is the flight distance from St. Louis Lambert International Airport to Key West Intl. Airport (EYW)?
Covering 1,100 mi between STL and STL calls for a glass of red and a binge-watching session. Adjust your seat, pull a blanket over your lap and just enjoy the ride.
What airlines fly from Lambert-St. Louis Intl. Airport (STL) to EYW?
Unfortunately, there are no airlines currently offering direct flights between Lambert Field and EYW. In the interest of saving yourself some time, book well in advance to find the best price and route.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Silver Airways or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From Lambert-St. Louis Intl.
Traveling To Key West Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price $369

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Key West International Airport.

Distance:
1,201.00 miles

Discover our best flights from St. Louis STL to Key West EYW. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Key West EYW at the right price  

Airfares to Key West EYW from St. Louis STL currently cost between $369 and $379. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Key West EYW 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Key West EYW on Travelocity starting at $230. Prices and availability subject to change. Additional terms may apply. 

 

Get to Key West EYW from St. Louis STL quicker with direct flights. 

Get to Key West faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to EYW from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Key West EYW

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to EYW from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Key West EYW today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from St. Louis STL to Key West EYW. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Key West EYW from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to EYW from STL have this option.  

 

Travel with confidence when you book flights to Key West EYW from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.