Cheap Flights from Miami to Key West
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RatePunk searches hundreds of travel sites at once for deals on flights to Key West
Prices updated today
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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)
Today’s best flight deals from Miami to Key West
Explore current cheapest deals departing from Miami to Key West
2026-10-13 – 2026-10-21
MIA - Key West
45% AI deal score
$242
$206
Round trip
2026-10-14 – 2026-10-21
MIA - Key West
46% AI deal score
$253
$210
Round trip
2026-11-07 – 2026-11-11
MIA - Key West
46% AI deal score
$268
$215
Round trip
2026-10-13 – 2026-11-04
MIA - Key West
39% AI deal score
$212
$215
Round trip
2026-10-13 – 2026-11-11
MIA - Key West
39% AI deal score
$212
$215
Round trip
2026-11-03 – 2026-11-11
MIA - Key West
44% AI deal score
$243
$215
Round trip
2026-10-31 – 2026-11-04
MIA - Key West
46% AI deal score
$264
$215
Round trip
2026-10-31 – 2026-11-11
MIA - Key West
42% AI deal score
$228
$215
Round trip
2026-10-13 – 2026-10-28
MIA - Key West
40% AI deal score
$218
$215
Round trip
2026-10-27 – 2026-11-11
MIA - Key West
40% AI deal score
$218
$215
Round trip
