Popular airlines from St. Louis to Key Colony Beach
American AirlinesAmerican Airlines
DeltaDelta
UnitedUnited
Southwest AirlinesSouthwest Airlines
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
Today's featured flight deals from St. Louis to Key Colony Beach
Nonstop
Carry-on included
Lower price than typical
- St. Louis (STL) to Miami (MIA).Southwest Airlines, nonstop.Departing on Sat, Sep 6 at 5:55pm from St. Louis, arriving at 9:40pm in Miami.Returning on Sat, Sep 13 at 5:50am from Miami, arriving at 7:40am in St. Louis.Select Southwest Airlines flight departing on Sat, Sep 6 at 5:55pm from St. Louis, returning on Sat, Sep 13 at 5:50am from Miami priced at $27930% less than typical$279
- St. Louis (STL) to Miami (MIA).Southwest Airlines, nonstop.Departing on Sun, Sep 7 at 8:20pm from St. Louis, arriving on Mon, Sep 8 at 12:05am in Miami.Returning on Sat, Sep 13 at 5:50am from Miami, arriving at 7:40am in St. Louis.Select Southwest Airlines flight departing on Sun, Sep 7 at 8:20pm from St. Louis, returning on Sat, Sep 13 at 5:50am from Miami priced at $31420% less than typical$314
- St. Louis (STL) to Miami (MIA).Southwest Airlines, nonstop.Departing on Sun, Aug 31 at 6:30pm from St. Louis, arriving at 10:15pm in Miami.Returning on Sat, Sep 6 at 5:50am from Miami, arriving at 7:40am in St. Louis.Select Southwest Airlines flight departing on Sun, Aug 31 at 6:30pm from St. Louis, returning on Sat, Sep 6 at 5:50am from Miami priced at $37420% less than typical$374
Cheap Flights from St. Louis to Key Colony Beach (STL-MIA)
Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Oct 28 - Wed, Oct 29
STL
St. Louis
MIA
Miami
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Sat, Oct 25 - Tue, Nov 4
STL
St. Louis
MIA
Miami
$169 Roundtrip, found 9 hours ago
$169
Roundtrip
found 9 hours ago
Wed, Sep 24 - Wed, Oct 8
STL
St. Louis
MIA
Miami
$169 Roundtrip, found 6 hours ago
$169
Roundtrip
found 6 hours ago
Sun, Nov 16 - Wed, Nov 19
STL
St. Louis
MIA
Miami
$176 Roundtrip, just found
$176
Roundtrip
just found
Sat, Sep 27 - Tue, Sep 30
STL
St. Louis
MIA
Miami
$178 Roundtrip, just found
$178
Roundtrip
just found
Tue, Oct 28 - Wed, Nov 5
STL
St. Louis
EYW
Key West
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Find the cheapest month to fly from St. Louis (STL) to Miami (MIA)
October is typically the cheapest month to fly
From $145 - $326 per traveler.
Graph displaying average flight prices per month
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*Available to One Key members.