Cheap flights from San Juan to Duck Key from CA $69

View CA $69 flight on Thu, Jul. 17, 2025Opens in a new window

Popular airlines from San Juan to Duck Key

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Cheap flights from San Juan (SJU) to Duck Key (MIA)

Prices were available within the past 7 days and start at CA $69 for one-way flights and CA $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Jul. 19 - Wed, Jul. 23
SJU
San Juan
MIA
Miami
CA $219 Roundtrip, found 3 days ago
CA $219
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sat, Jul. 19 from San Juan to Miami, returning Wed, Jul. 23, priced at CA $219 found 3 days ago
American Airlines
Sat, Jul. 19 - Wed, Jul. 23
SJU
San Juan
MIA
Miami
CA $243 Roundtrip, found 3 days ago
CA $243
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jul. 19 from San Juan to Miami, returning Wed, Jul. 23, priced at CA $243 found 3 days ago
Spirit Airlines
Sun, Aug. 17 - Tue, Aug. 19
SJU
San Juan
MIA
Miami
CA $273 Roundtrip, found 4 days ago
CA $273
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sun, Aug. 17 from San Juan to Miami, returning Tue, Aug. 19, priced at CA $273 found 4 days ago
Delta
Fri, Aug. 15 - Mon, Aug. 25
SJU
San Juan
MIA
Miami
CA $293 Roundtrip, found 2 days ago
CA $293
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug. 15 from San Juan to Miami, returning Mon, Aug. 25, priced at CA $293 found 2 days ago
United
Tue, Jul. 22 - Wed, Jul. 23
SJU
San Juan
MIA
Miami
CA $582 Roundtrip, found 5 days ago
CA $582
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul. 22 from San Juan to Miami, returning Wed, Jul. 23, priced at CA $582 found 5 days ago
JetBlue Airways
Tue, Jul. 22 - Wed, Aug. 13
SJU
San Juan
MIA
Miami
CA $602 Roundtrip, found 5 days ago
CA $602
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Jul. 22 from San Juan to Miami, returning Wed, Aug. 13, priced at CA $602 found 5 days ago

Find the cheapest month to fly from San Juan (SJU) to Miami (MIA)

February is typically the cheapest month to fly

From CA $110 - CA $461 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.