Flights From Boston (BOS) to Key Biscayne (MIA)

Selected fares from Boston to Key Biscayne

The cheapest prices found with in the last 7 days for return flights were CA $109 and CA $37 for one-way flights to Key Biscayne for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat., May 31 - Sat., Jun. 7

BOS

Logan Intl.

FLL

Fort Lauderdale - Hollywood Intl.

CA $109 Roundtrip, found 9 hours ago

CA $109

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Sat., May 31 from Logan Intl. to Fort Lauderdale - Hollywood Intl., returning Sat., Jun. 7, priced at CA $109 found 9 hours ago

Thu., Jun. 5 - Thu., Jun. 12

BOS

Logan Intl.

MIA

Miami Intl.

CA $116 Roundtrip, found 7 hours ago

CA $116

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Thu., Jun. 5 from Logan Intl. to Miami Intl., returning Thu., Jun. 12, priced at CA $116 found 7 hours ago

Tue., Jul. 8 - Tue., Jul. 15

BOS

Logan Intl.

MIA

Miami Intl.

CA $139 Roundtrip, found 4 days ago

CA $139

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Tue., Jul. 8 from Logan Intl. to Miami Intl., returning Tue., Jul. 15, priced at CA $139 found 4 days ago