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Cheap Flights from St Louis to Key West, FL, United States - STL to EYW

Popular flights from St Louis to Key West

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.

Alaska Airlines
Departure Date Return Date Lowest Price
Jun 11, 2016 Jun 18, 2016 $588
American Airlines
Departure Date Return Date Lowest Price
Aug 27, 2016 Sep 7, 2016 $354
United Airlines
Departure Date Return Date Lowest Price
Jul 20, 2016 Jul 26, 2016 $364
Jul 26, 2016 Aug 10, 2016 $364
Aug 2, 2016 Aug 12, 2016 $364
Aug 6, 2016 Aug 13, 2016 $364
Aug 10, 2016 Aug 15, 2016 $364

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 $391.

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
$376 $356 $364 $452 $390 $424 $376

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 United 5/17/16 5/24/16 2 $389
June St Louis Key West United 6/7/16 6/14/16 2 $389
July St Louis Key West American 7/26/16 8/10/16 1 $356
August St Louis Key West American 8/27/16 9/7/16 1 $354
September St Louis Key West American 9/17/16 9/23/16 1 $356
October St Louis Key West American 10/30/16 11/9/16 1 $353
November St Louis Key West American 11/4/16 11/11/16 1 $452
December St Louis Key West American 12/25/16 12/31/16 1 $634

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)

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 DTW / 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 $328
St Louis to Ft Lauderdale American, United $325
St Louis to Orlando American, Alaska, JetBlue, Frontier, United $128
St Louis to Atlanta American, Alaska, Frontier, United $98
St Louis to Ft Myers American, Alaska, United $360
St Louis to Tampa American, Alaska, United $187
St Louis to Dallas - Ft Worth American, Alaska, United $189
St Louis to West Palm Beach American, Alaska, United $325
St Louis to Chicago American, Alaska, United $211
St Louis to New York American, Alaska, United $242
St Louis to Sarasota - Bradenton American, United $353

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Cancun American, AeroMexico, Alaska, JetBlue, Frontier, Sun Country, United, Volaris $241

Cheap Domestic Flights to Key West - EYW

FlightsAirlineLowest Price
Springfield to Key West American, United $460
Peoria to Key West American, United $390
Moline to Key West American, United $390
Evansville to Key West American, United $454
Moline to Miami American, Alaska, United $297
Peoria to Miami American, United $330
Springfield to Miami American, United $409
Bloomington - Normal to Miami American $274
Champaign to Miami American $365
Evansville to Miami American, United $391
Bloomington - Normal to Orlando American $254
Moline to Orlando American, United $254
Peoria to Ft Lauderdale American, United $303
Springfield to Ft Lauderdale American, United $446
Moline to Ft Lauderdale American, United $260
Springfield to Orlando American, Alaska, United $449
Springfield to Miami American, United $486
Bloomington - Normal to Ft Lauderdale American $269
Cheap Flights from St Louis to Key West, FL, United States, from $354 Round trip from STL to EYW