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Key Biscayne

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Key Biscayne Flights as Low as $55

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

Spirit Airlines
Tue, Mar 31 - Sat, Apr 4
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$55 Roundtrip, found 4 hours ago
$55
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Tue, Mar 31 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Apr 4, priced at $55 found 4 hours ago
Frontier Airlines
Wed, Apr 1 - Tue, Apr 14
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$57 Roundtrip, found 4 hours ago
$57
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Tue, Apr 14, priced at $57 found 4 hours ago
Frontier Airlines
Sat, Apr 11 - Wed, Apr 29
PHL
Philadelphia Intl.
MIA
Miami Intl.
$66 Roundtrip, found 3 hours ago
$66
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Philadelphia Intl. to Miami Intl., returning Wed, Apr 29, priced at $66 found 3 hours ago
Spirit Airlines
Wed, Apr 8 - Wed, Apr 29
PHL
Philadelphia Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$66 Roundtrip, found 16 hours ago
$66
Roundtrip
found 16 hours ago
Select Spirit Airlines flight, departing Wed, Apr 8 from Philadelphia Intl. to Fort Lauderdale - Hollywood Intl., returning Wed, Apr 29, priced at $66 found 16 hours ago
Frontier Airlines
Tue, Apr 7 - Wed, Apr 8
TTN
Mercer
FLL
Fort Lauderdale - Hollywood Intl.
$80 Roundtrip, found 2 days ago
$80
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 7 from Mercer to Fort Lauderdale - Hollywood Intl., returning Wed, Apr 8, priced at $80 found 2 days ago
Spirit Airlines
Tue, Apr 14 - Tue, Apr 21
LGA
LaGuardia
MIA
Miami Intl.
$99 Roundtrip, found 3 hours ago
$99
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, Apr 14 from LaGuardia to Miami Intl., returning Tue, Apr 21, priced at $99 found 3 hours ago
Spirit Airlines
Mon, Apr 20 - Thu, Apr 23
LGA
LaGuardia
FLL
Fort Lauderdale - Hollywood Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Apr 20 from LaGuardia to Fort Lauderdale - Hollywood Intl., returning Thu, Apr 23, priced at $119 found 1 day ago
JetBlue Airways
Fri, Apr 24 - Sun, Apr 26
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$126 Roundtrip, just found
$126
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Apr 24 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Sun, Apr 26, priced at $126 just found
American Airlines
Tue, May 5 - Tue, May 19
TTN
Mercer
FLL
Fort Lauderdale - Hollywood Intl.
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, May 5 from Mercer to Fort Lauderdale - Hollywood Intl., returning Tue, May 19, priced at $139 found 5 days ago
JetBlue Airways
Sat, May 16 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, May 16 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Wed, May 20, priced at $264 found 4 days ago
JetBlue Airways
Sat, May 9 - Tue, May 12
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$266 Roundtrip, found 6 days ago
$266
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, May 9 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Tue, May 12, priced at $266 found 6 days ago
JetBlue Airways
Tue, Apr 28 - Tue, Apr 28
PHL
Philadelphia Intl.
EKW
Miami Central Brightline Train Station
$270 Roundtrip, found 6 days ago
$270
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Philadelphia Intl. to Miami Central Brightline Train Station, returning Tue, Apr 28, priced at $270 found 6 days ago
JetBlue Airways
Sat, Apr 11 - Tue, Apr 21
LGA
LaGuardia
EKW
Miami Central Brightline Train Station
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Apr 11 from LaGuardia to Miami Central Brightline Train Station, returning Tue, Apr 21, priced at $316 found 5 days ago
JetBlue Airways
Tue, May 5 - Fri, May 15
LGA
LaGuardia
AVT
Aventura Brightline Train Station
$347 Roundtrip, found 6 days ago
$347
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, May 5 from LaGuardia to Aventura Brightline Train Station, returning Fri, May 15, priced at $347 found 6 days ago
JetBlue Airways
Mon, May 25 - Wed, Jun 3
PHL
Philadelphia Intl.
AVT
Aventura Brightline Train Station
$366 Roundtrip, found 6 days ago
$366
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, May 25 from Philadelphia Intl. to Aventura Brightline Train Station, returning Wed, Jun 3, priced at $366 found 6 days ago
American Airlines
Tue, May 12 - Wed, May 27
TTN
Mercer
MIA
Miami Intl.
$383 Roundtrip, found 4 days ago
$383
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, May 12 from Mercer to Miami Intl., returning Wed, May 27, priced at $383 found 4 days 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 March, 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 $55, 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 $55 right now, why wait?

Key Biscayne Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$54

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! (7,991 reviews)
Very disappointing stay. The hotel is extremely outdated and poorly maintained. The room smelled bad and there was dust everywhere, which made it feel very dirty and uncomfortable. It did not feel clean at all. The service was also poor and unprofessional. We chose this hotel for a special day, and ...

Reviewed on Mar 17, 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! (249 reviews)
Staff was fabulous…newly renovated rooms, great food and pool area!

Reviewed on Mar 16, 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! (2,980 reviews)
Overall Great!

Reviewed on Mar 17, 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! (2,732 reviews)
I am not happy for what I paid. They don’t even give you a bottle of water. I waited about 30 minutes for shampoo to be delivered to the room. Asked for late check out and they did not wanted to give me the option. Asked for beach towels and they do not provide it either. The floor is broken in the ...

Reviewed on Mar 16, 2026

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Mondrian South Beach
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! (993 reviews)
Nice staff and good location.

Reviewed on Mar 17, 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! (3,606 reviews)
Pics on EXPEDIA are not accurate. Hotel does not have a pool. My heat in my room did not work and the rooms are old looking.

Reviewed on Mar 16, 2026

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Clarion Inn & Suites Miami International Airport
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! (1,610 reviews)
Not as clean as when i visited before, carpet should be either cleaned or completely replaced. The elevators were out of service so i had to take the stairs up to my room with heavy luggage, room had a moldy smell, no ice other vending machines available . Entrance way was extremely slippery almost ...

Reviewed on Mar 16, 2026

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Catalina Hotel & Beach Club
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! (2,568 reviews)
Yes

Reviewed on Mar 16, 2026

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Holiday Inn Miami - International Airport by IHG
See all 16,608 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.