Search Cheap Flights to
Key Biscayne

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Key Biscayne Flights as Low as $108

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

Frontier Airlines
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Sat, Aug 29, priced at $108 found 1 hour ago
Frontier Airlines
Sun, Jul 19 - Fri, Jul 24
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$111 Roundtrip, found 7 hours ago
$111
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sun, Jul 19 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Fri, Jul 24, priced at $111 found 7 hours ago
Frontier Airlines
Tue, Jun 23 - Thu, Jul 9
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$116 Roundtrip, found 1 hour ago
$116
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jun 23 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Thu, Jul 9, priced at $116 found 1 hour ago
Frontier Airlines
Fri, Oct 23 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Mon, Oct 26, priced at $118 found 1 hour ago
Frontier Airlines
Wed, Jun 24 - Wed, Jul 8
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$121 Roundtrip, found 3 hours ago
$121
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Jun 24 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Wed, Jul 8, priced at $121 found 3 hours ago
Frontier Airlines
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$128 Roundtrip, found 1 hour ago
$128
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Aug 29, priced at $128 found 1 hour ago
Delta
Sat, Dec 12 - Tue, Dec 15
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Dec 12 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Tue, Dec 15, priced at $129 found 1 hour ago
Frontier Airlines
Fri, Jul 10 - Wed, Jul 15
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$131 Roundtrip, just found
$131
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jul 10 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Wed, Jul 15, priced at $131 just found
American Airlines
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Sat, Aug 29, priced at $169 found 1 hour ago
JetBlue Airways
Tue, Jul 7 - Tue, Jul 7
ATL
Hartsfield-Jackson Atlanta Intl.
FLL
Fort Lauderdale - Hollywood Intl.
$176 Roundtrip, found 20 hours ago
$176
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Tue, Jul 7 from Hartsfield-Jackson Atlanta Intl. to Fort Lauderdale - Hollywood Intl., returning Tue, Jul 7, priced at $176 found 20 hours ago
United
Sat, Aug 29 - Wed, Sep 16
EWR
Newark Liberty Intl. Airport
FLL
Fort Lauderdale - Hollywood Intl.
$187 Roundtrip, found 3 hours ago
$187
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 29 from Newark Liberty Intl. Airport to Fort Lauderdale - Hollywood Intl., returning Wed, Sep 16, priced at $187 found 3 hours ago
United
Tue, Sep 15 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$187 Roundtrip, found 18 hours ago
$187
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Sep 15 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, Oct 6, priced at $187 found 18 hours ago
JetBlue Airways
Mon, Oct 12 - Thu, Oct 15
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Oct 12 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Thu, Oct 15, priced at $289 found 5 days ago
JetBlue Airways
Mon, Oct 12 - Thu, Oct 15
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Oct 12 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Thu, Oct 15, priced at $289 found 5 days ago
JetBlue Airways
Fri, Aug 28 - Fri, Sep 11
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Fri, Sep 11, priced at $350 found 2 days ago
JetBlue Airways
Tue, Sep 15 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$382 Roundtrip, found 18 hours ago
$382
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Tue, Sep 15 from Newark Liberty Intl. Airport to Aventura Brightline Train Station, returning Tue, Oct 6, priced at $382 found 18 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 August, 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 $108, 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 $108 right now, why wait?

Key Biscayne Flight Information
Destination airport
Fort Lauderdale Brightline Train Station
Destination airport IATA code
FBT
Roundtrip price
$139

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! (8,321 reviews)
"It was a wonderful experience Beautiful hotel."

Reviewed on Jun 6, 2026

Get rates
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! (628 reviews)
"Enjoyed my stay"

Reviewed on Jun 6, 2026

Get rates
Loews Miami Beach Hotel – South Beach
Signia by Hilton Diplomat Beach Resort

Signia by Hilton Diplomat Beach Resort

4.5 out of 5
3555 S Ocean Dr Hollywood FL
Book a stay at this luxury resort in Hollywood. Enjoy a full-service spa, 5 restaurants, and a beach locale. Our guests praise the pool and the helpful staff ...
8.2/10 Very Good! (180 reviews)
"Me encantó este hotel muy limpio vistas hermosas el personal muy atento y agradable"

Reviewed on Jun 3, 2026

Get rates
Signia by Hilton Diplomat Beach Resort
Ramada by Wyndham Miami Springs/Miami International Airport

Ramada by Wyndham Miami Springs/Miami International Airport

2.5 out of 5
5001 NW 36th St. Miami Springs FL
Stay at this hotel in Miami Springs. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the breakfast and the pool in our reviews. Popular ...
8.2/10 Very Good! (6,456 reviews)
"No elevator in the property"

Reviewed on Jun 6, 2026

Get rates
Ramada by Wyndham Miami Springs/Miami International Airport
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! (3,901 reviews)
"Only here for one night convenient location staff friendly and hotel very clean. Only reason for 4 stars is the TV not working."

Reviewed on Jun 6, 2026

Get rates
Kompose Boutique Hotel Miami Airport
Novotel Miami Brickell

Novotel Miami Brickell

4 out of 5
1500 SW 1st Avenue Miami FL
Book a stay at this business-friendly hotel in Miami. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the pool and the helpful ...
9/10 Wonderful! (2,685 reviews)
"Clean, quiet, modern, near train and good restaurants! Second time staying. Will return."

Reviewed on Jun 5, 2026

Get rates
Novotel Miami Brickell
citizenM Miami Worldcenter

citizenM Miami Worldcenter

4 out of 5
700 NE 2ND AVENUE Miami FL
Book a stay at this business-friendly hotel in Miami. Enjoy free WiFi, 2 bars/lounges, and breakfast (surcharge). Our guests praise the breakfast and the pool ...
9.2/10 Wonderful! (6,602 reviews)
"Everything was perfect except for one of the staff members, African American lady with a bob cut she were a black citizen jacket with an hood, she was not friendly at all she has an terrible attitude problem, I had a decaf coffee which was part of the breakfast I paid for about 630 am that staff ..."

Reviewed on Jun 5, 2026

Get rates
citizenM Miami Worldcenter
The Sunny

The Sunny

4 out of 5
16701 Collins Avenue Sunny Isles Beach FL
Book a stay at this beach resort in Sunny Isles Beach. Enjoy 2 restaurants, a private beach, and 2 bars/lounges. Our guests praise the pool and the clean rooms ...
8.6/10 Excellent! (345 reviews)
"Was all good"

Reviewed on Jun 6, 2026

Get rates
The Sunny
See all 17,613 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.