Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Cheap Flights from St Louis to Key West, FL, United States - STL to EYW Last modified: May 30, 2016 1:52 PM

Popular flights from St Louis to Key West Last modified: May 30, 2016 1:52 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Sep 2, 2016 $369
Aug 25, 2016 Sep 2, 2016 $369
Aug 30, 2016 Sep 9, 2016 $369
Aug 31, 2016 Sep 9, 2016 $369
Sep 1, 2016 Sep 9, 2016 $369
United Airlines
Departure Date Return Date Lowest Price
Jul 19, 2016 Jul 26, 2016 $380
Jul 27, 2016 Aug 3, 2016 $380
Aug 2, 2016 Aug 10, 2016 $380
Aug 3, 2016 Aug 10, 2016 $380
Aug 6, 2016 Aug 13, 2016 $380

How Much Does it Cost to Fly from St Louis to Key West (STL to EYW)?

We have collected flight cost data from across the web for travel from St Louis to Key West, and have found the average flight price for this trip to be $370.

When Can I Buy the Cheapest Flight from St Louis to Key West (STL to EYW)?

Airlines can adjust prices for plane tickets from St Louis to Key West based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to Key West

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Key West.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$370 $369 $370 $369 $370 $370 $370

Lowest Fares Chart By Month from St Louis to Key West

The chart below shows the lowest fare by month when flying from St Louis to Key West.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis Key West American 5/31/16 6/11/16 2 $631
June St Louis Key West American 6/26/16 7/7/16 1 $432
July St Louis Key West American 7/19/16 7/26/16 1 $372
August St Louis Key West American 8/23/16 9/2/16 1 $369
September St Louis Key West American 9/1/16 9/9/16 1 $369
October St Louis Key West United 10/6/16 10/11/16 2 $425
November St Louis Key West American 11/4/16 11/11/16 1 $372
December St Louis Key West American 12/2/16 12/9/16 2 $376
TIPSave $8 by flying into Ft Lauderdale instead of Key West from St Louis

Round Trip vs One Way Flights from St Louis to Key West (STL to EYW)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Key West. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Key West is $344.

The average price for round trip flights from St Louis to Key West is $374.

St Louis to Key West Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Key West?
Answer: Atlanta, GA

Airlines Flying from St Louis to Key West (STL to EYW) Number of flights searched: 76Last modified: May 30, 2016 1:52 PM

Below are the different airlines that fly from St Louis to Key West with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Key West.

St Louis to Key West
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American MIA X X X X X X X
American ORD / MIA X X X X X X X
Delta ATL X X X X X X X
Delta CVG / ATL X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Key West, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Miami American, Alaska, United $354
St Louis to Ft Lauderdale American, Alaska, United $364
St Louis to Orlando American, Alaska, JetBlue, Frontier, United $128
St Louis to Atlanta American, Alaska, Frontier, United $78
St Louis to Ft Myers American, Alaska, United $360
St Louis to Tampa American, Alaska, United $363
St Louis to Dallas - Ft Worth American, Alaska, United $209
St Louis to West Palm Beach American, United $353
St Louis to Chicago American, Alaska, United $219
St Louis to New York American, Alaska, United $235
St Louis to Sarasota - Bradenton American, United $366

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Cancun American, AeroMexico, Alaska, JetBlue, Frontier, Sun Country, United, Volaris $276

Cheap Domestic Flights to Key West - EYW

FlightsAirlineLowest Price
Springfield to Key West American, United $708
Peoria to Key West American, United $430
Moline to Key West American, United $460
Evansville to Key West American, United $435
Moline to Miami American, United $234
Peoria to Miami American, United $233
Springfield to Miami American, United $368
Bloomington - Normal to Miami American $264
Champaign to Miami American $542
Evansville to Miami American, United $369
Bloomington - Normal to Orlando American $354
Moline to Orlando American, United $260
Peoria to Ft Lauderdale American, United $321
Springfield to Ft Lauderdale American, United $369
Moline to Ft Lauderdale American, United $300
Springfield to Orlando American, United $369
Springfield to Miami American, United $368
Bloomington - Normal to Ft Lauderdale American $356
Cheap Flights from St Louis to Key West, FL, United States, from $369 Round trip from STL to EYW