Cheap flights from St. Louis to Elliott Key from CA $121

View CA $121 flight on Wed, Aug. 13, 2025Opens in a new window

Popular airlines from St. Louis to Elliott Key

  • American Airlines

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Cheap flights from St. Louis (STL) to Elliott Key (MIA)

Prices were available within the past 7 days and start at CA $121 for one-way flights and CA $380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $380 Roundtrip, found 1 day ago
CA $380
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $380 found 1 day ago
American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $435 Roundtrip, found 1 day ago
CA $435
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $435 found 1 day ago
American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $442 Roundtrip, found 1 day ago
CA $442
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $442 found 1 day ago
American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $448 Roundtrip, found 1 day ago
CA $448
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $448 found 1 day ago
American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $455 Roundtrip, found 1 day ago
CA $455
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $455 found 1 day ago
American Airlines
Thu, Aug. 28 - Sun, Sep. 14
STL
St. Louis
MIA
Miami
CA $496 Roundtrip, found 1 day ago
CA $496
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug. 28 from St. Louis to Miami, returning Sun, Sep. 14, priced at CA $496 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Miami (MIA)

September is typically the cheapest month to fly

From CA $182 - CA $313 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.