Flights to St. Thomas from Key Largo - $251

View $251 flight on Sun, Jul 20, 2025Opens in a new window

Popular airlines from Key Largo to St. Thomas

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Cheap Flights from Key Largo to St. Thomas (MIA-STT)

Prices were available within the past 7 days and start at $251 for one-way flights and $330 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 3 - Sun, Nov 9
MIA
Miami
STT
St. Thomas
$330 Roundtrip, just found
$330
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 3 from Miami to St. Thomas, returning Sun, Nov 9, priced at $330 just found
Delta
Sun, Oct 5 - Tue, Oct 7
MIA
Miami
STT
St. Thomas
$339 Roundtrip, just found
$339
Roundtrip
just found
Select Delta flight, departing Sun, Oct 5 from Miami to St. Thomas, returning Tue, Oct 7, priced at $339 just found
American Airlines
Sat, Oct 25 - Thu, Oct 30
MIA
Miami
STT
St. Thomas
$355 Roundtrip, found 2 hours ago
$355
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Miami to St. Thomas, returning Thu, Oct 30, priced at $355 found 2 hours ago
Spirit Airlines
Thu, Aug 7 - Wed, Aug 13
MIA
Miami
STT
St. Thomas
$360 Roundtrip, found 3 days ago
$360
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Miami to St. Thomas, returning Wed, Aug 13, priced at $360 found 3 days ago
United
Sat, Oct 4 - Sun, Oct 12
MIA
Miami
STT
St. Thomas
$439 Roundtrip, just found
$439
Roundtrip
just found
Select United flight, departing Sat, Oct 4 from Miami to St. Thomas, returning Sun, Oct 12, priced at $439 just found
Frontier Airlines
Mon, Aug 4 - Tue, Aug 12
MIA
Miami
STT
St. Thomas
$457 Roundtrip, found 5 days ago
$457
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Aug 4 from Miami to St. Thomas, returning Tue, Aug 12, priced at $457 found 5 days ago

Find the cheapest month to fly from Miami (MIA) to St. Thomas (STT)

August is typically the cheapest month to fly

From $114 - $512 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cyril E. King STT. Cheapest option available. Flights from $330
STT
Cyril E. King
Cheapest
Flights from $330
Select flight to Terrance B. Lettsome Intl. EIS. Flights from $965
EIS
Terrance B. Lettsome Intl.
Flights from $965
Select flight to Antonio Rivera Rodriguez VQS. Flights from $449
VQS
Antonio Rivera Rodriguez
Flights from $449
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