Cheap flights from Philadelphia to Key Biscayne from CA $60

View CA $60 flight on Wed, Aug. 6, 2025Opens in a new window

Popular airlines from Philadelphia to Key Biscayne

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Cheap flights from Philadelphia (ILG) to Key Biscayne (MIA)

Prices were available within the past 7 days and start at CA $60 for one-way flights and CA $119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Jul. 29 - Sat, Aug. 2
PHL
Philadelphia
FLL
Fort Lauderdale
CA $119 Roundtrip, found 22 hours ago
CA $119
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Tue, Jul. 29 from Philadelphia to Fort Lauderdale, returning Sat, Aug. 2, priced at CA $119 found 22 hours ago
American Airlines
Mon, Jul. 28 - Fri, Aug. 1
PHL
Philadelphia
FLL
Fort Lauderdale
CA $160 Roundtrip, found 1 day ago
CA $160
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jul. 28 from Philadelphia to Fort Lauderdale, returning Fri, Aug. 1, priced at CA $160 found 1 day ago
JetBlue Airways
Tue, Jul. 29 - Sat, Aug. 2
PHL
Philadelphia
FLL
Fort Lauderdale
CA $161 Roundtrip, found 22 hours ago
CA $161
Roundtrip
found 22 hours ago
Select JetBlue Airways flight, departing Tue, Jul. 29 from Philadelphia to Fort Lauderdale, returning Sat, Aug. 2, priced at CA $161 found 22 hours ago
Spirit Airlines
Sun, Aug. 24 - Sun, Aug. 31
PHL
Philadelphia
MIA
Miami
CA $162 Roundtrip, found 2 days ago
CA $162
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sun, Aug. 24 from Philadelphia to Miami, returning Sun, Aug. 31, priced at CA $162 found 2 days ago
Delta
Mon, Jul. 28 - Fri, Aug. 1
PHL
Philadelphia
FLL
Fort Lauderdale
CA $194 Roundtrip, found 1 day ago
CA $194
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jul. 28 from Philadelphia to Fort Lauderdale, returning Fri, Aug. 1, priced at CA $194 found 1 day ago
United
Sun, Jul. 27 - Thu, Jul. 31
PHL
Philadelphia
MIA
Miami
CA $483 Roundtrip, found 2 days ago
CA $483
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jul. 27 from Philadelphia to Miami, returning Thu, Jul. 31, priced at CA $483 found 2 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Miami (MIA)

March is typically the cheapest month to fly

From CA $79 - CA $641 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.