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Uncover the best deals on St Louis to Key West flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - EYW Flights
Useful information for finding best airline tickets from Lambert St Louis International to Key West International on your next trip.
Cheapest Round Trip Flight
$398
Delta Airlines
• 1 stop
• 10h 23m
Jul 20 – Jul 27
The cheapest round trip flight from St Louis to Key West (STL-EYW-STL) is currently $398
Fastest Flight
10h 23m
The fastest nonstop flight from St Louis to Key West (STL-EYW) takes 10h 23m
Top Airlines Flying from St Louis to Key West
Latest Flight Deals from St Louis (STL) to Key West (EYW)
Compare and book low fare round-trip air tickets from St Louis to Key West. Ideal for travelers with confirmed return itineraries.
Jul 20 - Jul 27, Economy
St Louis → Key West
10h 23m
6:00 AM - 1:23 PM • 1 stop
St Louis → Key West
10h 35m
6:18 PM - 11:53 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
13h 52m
10:19 AM - 7:51 PM • 2 stops
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
17h 3m
6:00 AM - 5:23 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
13h 20m
10:51 AM - 7:51 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
20h 51m
6:00 AM - 7:51 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Flying to Key West soon? We've surfaced some of the most affordable last-minute flights from St Louis to Key West, ideal for urgent plans or spontaneous trips.
Jul 20 - Jul 27, Economy
St Louis → Key West
10h 23m
6:00 AM - 1:23 PM • 1 stop
St Louis → Key West
10h 35m
6:18 PM - 11:53 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
13h 52m
10:19 AM - 7:51 PM • 2 stops
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
17h 3m
6:00 AM - 5:23 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
13h 20m
10:51 AM - 7:51 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
Jul 20 - Jul 27, Economy
St Louis → Key West
20h 51m
6:00 AM - 7:51 PM • 1 stop
St Louis → Key West
7h 37m
6:18 PM - 10:15 PM • 1 stop
Delta Airlines
FAQs on St Louis to Key West Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to EYW?
The most popular airline flying from St Louis to Key West are
Can I fly from STL to EYW non-stop?
NO
Which airlines fly nonstop between St Louis and Key West?
The non-stop flights between St Louis and Key West are .
What’s the earliest departure time from STL to EYW Airport?
The earliest flight leaves STL at 6:00 am and lands in EYW - Key West International
What are the airports in Key West?
EYW
Can I make changes to my St Louis to Key West flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to EYW?
Read the fare rules of the St Louis to Key West air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Key West?
operate flights between St Louis and Key West
How long does a flight from St Louis to Key West take?
It takes approximately 3 hour to fly non-stop from STL to EYW, which is 1100.35 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Key West (EYW) ?
In the past couple of days, the cheapest tickets to EYW from STL were found on DL : USD 653
Do I need a passport to fly between STL and EYW?
No
What’s the latest departure time from STL to EYW ?
The last flight leaves STL at 10:51 am
St Louis (STL) to Key West (EYW): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Key West International , Key West, US |
| Distance | 1100 miles |
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