
Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $171 (Kiwi.com)  | 
One-way from | $55 (Frontier)  | 
Popular in | March | 
Cheapest in | September | 
Average price | $419 | 
Fly from
Fly to
Route
Depart
Return
Price
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Wed 3/18
11:30 am-6:30 pm
1 stop6h 00m
Key West
Wed 3/25
6:31 am-10:29 am
1 stop4h 58m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Sat 12/6
6:00 am-1:51 pm
1 stop6h 51m
Key West
Tue 12/9
7:00 am-1:18 pm
2 stops7h 18m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Tue 12/2
2:05 pm-11:50 pm
2 stops8h 45m
Key West
Tue 12/9
7:00 am-3:37 pm
2 stops9h 37m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Sat 12/6
2:09 pm-11:07 pm
2 stops7h 58m
Key West
Wed 12/10
7:00 am-1:18 pm
2 stops7h 18m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Mon 1/26
5:11 pm-1:30 pm
2 stops19h 19m
Key West
Fri 1/30
1:06 pm-10:33 pm
1 stop10h 27m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Sun 12/14
1:57 pm-8:06 pm
1 stop5h 09m
Key West
Sat 12/20
6:20 pm-11:42 pm
1 stop6h 22m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Mon 12/15
9:30 am-4:07 pm
1 stop5h 37m
Key West
Sat 12/20
11:57 am-5:51 pm
1 stop6h 54m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Fri 1/9
6:02 pm-11:56 pm
1 stop4h 54m
Key West
Tue 1/13
12:00 pm-5:22 pm
1 stop6h 22m
Kansas CityKey West
MCI - EYW
MCIEYW
Kansas City
Wed 11/19
6:00 am-8:15 am
1 stop25h 15m
Key West
Sat 11/22
5:28 pm-8:05 am
1 stop15h 37m
St. LouisKey West
STL - EYW
STLEYW
Lambert-St Louis
Sun 1/11
6:00 am-2:54 pm
2 stops7h 54m
Key West
Sat 1/17
6:06 am-3:04 pm
2 stops9h 58m
Currently, April is the cheapest month in which you can book a flight from Missouri to Florida Keys (average of $189). Flying from Missouri to Florida Keys in August is currently the most expensive (average of $258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$189 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$486 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$457 | FlexibilityNo cancel fee | On-time69% |