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Key Biscayne

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Key Biscayne Flights as Low as $57

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Wed, May 20 - Fri, May 22
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$57 Roundtrip, found 1 hour ago
$57
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 20 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Fri, May 22, priced at $57 found 1 hour ago
Frontier Airlines
Mon, Apr 20 - Tue, Apr 28
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Apr 20 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Apr 28, priced at $58 found 1 hour ago
Spirit Airlines
Mon, Apr 20 - Tue, Apr 28
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$73 Roundtrip, found 1 hour ago
$73
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, Apr 20 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Apr 28, priced at $73 found 1 hour ago
Spirit Airlines
Mon, Apr 20 - Wed, Apr 22
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$96 Roundtrip, found 9 hours ago
$96
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Mon, Apr 20 from Newark Liberty Intl. Airport to Miami Intl., returning Wed, Apr 22, priced at $96 found 9 hours ago
Spirit Airlines
Tue, May 5 - Fri, May 8
EWR
Newark Liberty Intl. Airport
FLL
Fort Lauderdale - Hollywood Intl.
$102 Roundtrip, found 22 hours ago
$102
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Tue, May 5 from Newark Liberty Intl. Airport to Fort Lauderdale - Hollywood Intl., returning Fri, May 8, priced at $102 found 22 hours ago
JetBlue Airways
Tue, May 5 - Fri, May 8
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$119 Roundtrip, found 8 hours ago
$119
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Tue, May 5 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Fri, May 8, priced at $119 found 8 hours ago
Delta
Thu, Aug 6 - Sun, Aug 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$119 Roundtrip, found 10 hours ago
$119
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Aug 6 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Aug 9, priced at $119 found 10 hours ago
American Airlines
Sat, May 2 - Tue, May 12
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, May 2 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, May 12, priced at $150 found 1 hour ago
Frontier Airlines
Tue, Apr 28 - Sat, May 9
LAX
Los Angeles Intl.
MIA
Miami Intl.
$160 Roundtrip, found 16 hours ago
$160
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Apr 28 from Los Angeles Intl. to Miami Intl., returning Sat, May 9, priced at $160 found 16 hours ago
Frontier Airlines
Fri, Apr 24 - Tue, Apr 28
LAX
Los Angeles Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$183 Roundtrip, found 16 hours ago
$183
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Los Angeles Intl. to Fort Lauderdale - Hollywood Intl., returning Tue, Apr 28, priced at $183 found 16 hours ago
JetBlue Airways
Mon, Apr 27 - Thu, May 14
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Apr 27 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Thu, May 14, priced at $283 found 4 days ago
JetBlue Airways
Mon, May 4 - Thu, May 7
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, May 4 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Thu, May 7, priced at $299 found 4 days ago
JetBlue Airways
Sun, Oct 18 - Fri, Oct 30
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$367 Roundtrip, found 2 hours ago
$367
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Sun, Oct 18 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Fri, Oct 30, priced at $367 found 2 hours ago
JetBlue Airways
Tue, Apr 28 - Fri, May 1
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Aventura Brightline Train Station, returning Fri, May 1, priced at $379 found 3 hours ago
JetBlue Airways
Tue, Apr 28 - Sat, May 9
LAX
Los Angeles Intl.
AVT
Aventura Brightline Train Station
$476 Roundtrip, found 16 hours ago
$476
Roundtrip
found 16 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Los Angeles Intl. to Aventura Brightline Train Station, returning Sat, May 9, priced at $476 found 16 hours ago
JetBlue Airways
Tue, Apr 28 - Sat, May 9
LAX
Los Angeles Intl.
EKW
Miami Central Brightline Train Station
$476 Roundtrip, found 16 hours ago
$476
Roundtrip
found 16 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Los Angeles Intl. to Miami Central Brightline Train Station, returning Sat, May 9, priced at $476 found 16 hours ago

Cheap Flights to Key Biscayne

Fall in love at first flight with your vacation to Key Biscayne by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Key Biscayne on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Key Biscayne, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Key Biscayne

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Key Biscayne with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the MIA airport.

What is the cheapest month to fly to Key Biscayne?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Key Biscayne are in May, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Key Biscayne?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Key Biscayne.

What airport is best to fly into Key Biscayne?

When you’re planning your trip to Key Biscayne, convenience is the name of the game. Luckily, Key Biscayne Public Seaplane Base Airport is nearby so you can deplane and get going on checking off everything on your Key Biscayne must-do list.

How much are flights to Key Biscayne?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Key Biscayne on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $57, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Key Biscayne?

The trick to saving a stack of cash on your flight to Key Biscayne? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $57 right now, why wait?

Key Biscayne Flight Information
Destination airport
Fort Lauderdale - Hollywood Intl.
Destination airport IATA code
FLL
Roundtrip price
$57

Last Minute Hotel Deals in Key Biscayne

Fontainebleau Miami Beach

Fontainebleau Miami Beach

4.5 out of 5
4441 Collins Avenue Miami Beach FL
Book a stay at this luxury hotel in Miami Beach. Enjoy free WiFi, 3 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in ...
8.4/10 Very Good! (8,044 reviews)
When we first arrived our room was filthy dirty. I immediately called down to the front to report the problem and was told a house keeping manager would call us back. A few minutes later the house keeping manager showed up to our room without notice to see what the problem was. We showed her all ...

Reviewed on Apr 6, 2026

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Fontainebleau Miami Beach
Loews Miami Beach Hotel – South Beach

Loews Miami Beach Hotel – South Beach

4.5 out of 5
1601 Collins Ave Miami Beach FL
Book a stay at this luxury hotel in Miami Beach. Enjoy a full-service spa, 4 restaurants, and a beach locale. Our guests praise the breakfast and the pool in ...
9.2/10 Wonderful! (314 reviews)
We always happy to stay in this hotel

Reviewed on Apr 6, 2026

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Loews Miami Beach Hotel – South Beach
Kompose Boutique Hotel Miami Airport

Kompose Boutique Hotel Miami Airport

3 out of 5
3401 NW 25th St Miami FL
Book a stay at this business-friendly hotel in Miami. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Popular attractions Kaseya Center ...
9/10 Wonderful! (3,187 reviews)
Clean Room

Reviewed on Apr 6, 2026

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Kompose Boutique Hotel Miami Airport
Mondrian South Beach

Mondrian South Beach

4.5 out of 5
1100 West Ave Miami Beach FL
Book a stay at this luxury hotel in Miami Beach. Enjoy free WiFi, a full-service spa, and a marina. Our guests praise the pool and the helpful staff in our reviews. ...
8/10 Very Good! (2,772 reviews)
Hotel is getting a bit worn. Very loud!

Reviewed on Apr 6, 2026

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Mondrian South Beach
Catalina Hotel & Beach Club

Catalina Hotel & Beach Club

3.5 out of 5
1732 Collins Ave Miami Beach FL
Stay at this hotel in Miami Beach. Enjoy free WiFi, 2 outdoor pools, and 2 restaurants. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7/10 Good! (1,700 reviews)
Room was not ready until 4PM exactly. They refuse to let us check you in early. Manager was rude and the valet staff was even worse. The room was dirty, had flies in the room, limited towels, and had a portable air conditioner. I would not recommend this place to worse enemy.

Reviewed on Apr 6, 2026

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Catalina Hotel & Beach Club
Park Central South Beach

Park Central South Beach

4 out of 5
640 Ocean Dr Miami Beach FL
Book a stay at this beach resort in Miami Beach. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the pool and the helpful staff in our ...
8.6/10 Excellent! (1,098 reviews)
Great staff. Room small and not so clean

Reviewed on Apr 5, 2026

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Park Central South Beach
Clarion Inn & Suites Miami International Airport

Clarion Inn & Suites Miami International Airport

2.5 out of 5
5325 NW 36th Street Miami Springs FL
Stay at this hotel in Miami Springs. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms ...
7/10 Good! (3,679 reviews)
Guess services as always

Reviewed on Apr 6, 2026

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Clarion Inn & Suites Miami International Airport
Holiday Inn Miami - International Airport by IHG

Holiday Inn Miami - International Airport by IHG

3 out of 5
1111 S Royal Poinciana Blvd Miami Springs FL
Book a stay at this business-friendly hotel in Miami Springs. Enjoy free WiFi, a free airport shuttle, and 24-hour room service. Our guests praise the restaurant ...
8.2/10 Very Good! (2,576 reviews)
Property was clean and staff was very helpful. Property need updating and repair. Elevator was not working, paint bubbled.

Reviewed on Apr 6, 2026

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Holiday Inn Miami - International Airport by IHG
See all 16,842 properties in Key Biscayne
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.