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Cheap flights from St Louis to Key West (STL - EYW)

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The best prices from St Louis to Key West are usually found in September or August, booked 38 days in advance, depart on a Tuesday or Saturday and return on a Friday

How to find the cheapest flight from
St Louis (STL) to Key West (EYW)

STL - EYW
Price
$342 - $539
EYW
Temperature
77 - 91.4 °F
EYW
Rainfall
1.1 - 6.6 inches
Popular in March High demand for flights, 12% potential price rise
Cheapest in September Best time to find cheap flights, 28% potential price drop
Round-trip from $342 From St Louis to Key West
One-way from $158 One-way flight from St Louis to Key West
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Key West?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 28% on the overall cost on flights from St Louis to Key West.

What is the cheapest month to fly from St Louis to Key West?

Flights from St Louis to Key West lean towards being more expensive in March. Prices are generally better when you fly from St Louis to Key West in September, with the cheapest ticket starting at $175.

Cheap flights from St Louis to Key West in July, August 2020

The best prices found for STL to EYW flights for July, August
16 Jul - 20 Jul
$308pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
28 Jul - 1 Aug
$313pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
6 Jul - 10 Jul
$333pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
United Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Key West 2020 flight deals

Cheap flights to Key West from St Louis found for this year
29 Aug - 5 Sep
$213pp
STL
Lambert-St Louis
Major Airline
   
2 STOPS
EYW
Key West
EYW
Key West
Major Airline
   
2 STOPS
STL
Lambert-St Louis
22 Aug - 26 Aug
$227pp
STL
Lambert-St Louis
Delta
 
1 STOP
EYW
Key West
EYW
Key West
Delta
   
2 STOPS
STL
Lambert-St Louis
11 Aug - 17 Aug
$244pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Key West

Late deals on round-trip flights to Key West from St Louis, departing today and this week
26 Jun - 28 Jun
$842pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

One-way flights to Key West from St Louis

The cheapest one-way flights from St Louis to Key West
1:19 pm - 11:40 am
Multiple Airlines
1 Stop
21h 21m
STL - EYW
Multiple Airlines
$158
Kiwi.com
7:01 am - 3:36 pm
Delta
1 Stop
7h 35m
STL - EYW
Delta
$327
Delta
5:38 am - 12:47 pm
Delta
1 Stop
6h 09m
STL - EYW
Delta
$343
Delta

Related info for your journey

Useful info, stats and facts about St Louis to Key West flights.

Flight FAQs

From St Louis to Key West

Are flight prices decreasing from St Louis to Key West due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Key West for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Key West for under $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Key West for under $300. The cheapest flight booked recently is on Major Airline for just $213, but on average you can expect to pay $280.

Are there nonstop flights from St Louis to Key West for under $200 on Cheapflights?

There are no nonstop flights from St Louis to Key West, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Key West for under $900?

There are currently 1+ open flights from St Louis to Key West within the next 7 days for less than $900.

How popular is this flight route?

Within the past month, 35 users have taken a look at flights from Lambert-St Louis to Key West.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for Delta Air Lines, Inc., as currently they have the cheapest options available from St Louis to Key West. On average you can find 206 flights for this flight path daily.

Does it rain more in St Louis or Key West?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly similar to Key West. You can assume this to be the case over the next 13 days.

Is St Louis weather warmer or cooler than Key West?

We forecast the temperature to be around the 91 °F's in August, on average. The temperature in Key West is generally hotter than in St Louis. Book flights in a timely manner in correlation to your departure date.

Alternative routes for St Louis to Key West

Destination information for Key West

Things to know before you go. Useful info for your trip from St Louis to Key West
Average temperature for July in Key West
89.6 °F
Avg rainfall for July in Key West
3.8 ″

Airports servicing St. Louis

Airports servicing Key West