Cheap Flights To Key Biscayne 2026

Key Biscayne Flights as Low as $69

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 1 - Tue, Oct 20
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$69
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Tue, Oct 20, priced at $69 found 5 days ago
Frontier Airlines
Sun, Oct 4 - Tue, Oct 20
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$72
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Oct 4 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Tue, Oct 20, priced at $72 found 5 days ago
Frontier Airlines
Mon, Oct 19 - Wed, Oct 28
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$74
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Wed, Oct 28, priced at $74 found 1 day ago
Frontier Airlines
Sat, Oct 31 - Wed, Nov 18
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$77
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Oct 31 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Wed, Nov 18, priced at $77 found 5 days ago
Frontier Airlines
Tue, Nov 3 - Wed, Nov 18
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$78
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Wed, Nov 18, priced at $78 found 5 days ago
Frontier Airlines
Mon, Nov 9 - Sat, Nov 14
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$84
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Sat, Nov 14, priced at $84 found 3 days ago
JetBlue Airways
Tue, Dec 29 - Thu, Jan 21
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$197
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Dec 29 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Thu, Jan 21, priced at $197 found 5 days ago
Delta
Sun, Jan 17 - Thu, Jan 21
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$197
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Jan 17 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Thu, Jan 21, priced at $197 found 2 hours ago
JetBlue Airways
Tue, Oct 6 - Wed, Oct 21
EWR
Newark Liberty Intl. Airport
FLL
Fort Lauderdale - Hollywood Intl.
$199
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Oct 6 from Newark Liberty Intl. Airport to Fort Lauderdale - Hollywood Intl., returning Wed, Oct 21, priced at $199 found 1 day ago
Delta
Tue, Oct 6 - Tue, Oct 6
LGA
LaGuardia
FLL
Fort Lauderdale - Hollywood Intl.
$199
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Oct 6 from LaGuardia to Fort Lauderdale - Hollywood Intl., returning Tue, Oct 6, priced at $199 found 6 hours ago
Southwest Airlines
Wed, Nov 4 - Sat, Nov 7
DTW
Detroit Metropolitan Wayne County
FLL
Fort Lauderdale - Hollywood Intl.
$211
Roundtrip
found 20 hours ago
Select Southwest Airlines flight, departing Wed, Nov 4 from Detroit Metropolitan Wayne County to Fort Lauderdale - Hollywood Intl., returning Sat, Nov 7, priced at $211 found 20 hours ago
Frontier Airlines
United
Tue, Nov 3 - Tue, Nov 10
LGA
LaGuardia
FLL
Fort Lauderdale - Hollywood Intl.
$219
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 3 from LaGuardia to Fort Lauderdale - Hollywood Intl., returning Tue, Nov 10, priced at $219 found 1 day ago
Frontier Airlines
Southwest Airlines
American Airlines

Flight Travel Guide to Key Biscayne

No matter how much you fight the travel bug, sometimes there's only one solution—to hop on the next plane to Key Biscayne. AARP Travel Center Powered by Expedia® is here to help you cure that bug with great deals on flights and activities. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed. As an AARP member, you'll pay no booking fees on flights, and often receive exclusive rates on hotels and car rentals.

If you've got a more relaxed schedule, we will have more deals to show you. In other words, you'll have a better chance of finding that affordable flight without searching dozens of other sites.

Airport Transportation

Once you've got your flight scheduled to Key Biscayne with AARP Travel, you might want to book a car so you can get around Key Biscayne. You can request a Key Biscayne rental car under our cars tab and get in the car as soon as you step out of the airport. For more information, check out the Key Biscayne Car Rentals Guide.

Things to Do in Key Biscayne

Not sure where to start? Not to worry—there's plenty to do in this city. Key Biscayne has so much to do, and we can help you get started.

If you're looking for some fun activities to do in Key Biscayne, make sure you look at our "Things to Do in Key Biscayne" page for excursions and activities for the whole crew.

Book Your Hotel in Key Biscayne

Key Biscayne has accommodation options in the area, so you will have no problems finding a place to stay close to all the things you want to see. If you need to stay close to the airport, or another attraction in Key Biscayne, check out our hotel listings page. Remember that you will get the best for your getaway when you book your stay with AARP Travel.

Booking Your Trip

Once you have decided when you want to visit, allow us here at AARP Travel to connect you with inexpensive tickets to Key Biscayne. There is no better time than now to start booking your next trip. Book one of our flights today.