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Duck Key

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Duck Key Flights as Low as $56

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.
MIA
Miami Intl.
$56 Roundtrip, found 4 hours ago
$56
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Aug 29, priced at $56 found 4 hours ago
Spirit Airlines
Thu, May 14 - Thu, May 21
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$70 Roundtrip, found 1 day ago
$70
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, May 14 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, May 21, priced at $70 found 1 day ago
Frontier Airlines
Mon, May 4 - Thu, May 14
RDU
Raleigh - Durham Intl.
MIA
Miami Intl.
$77 Roundtrip, found 9 hours ago
$77
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, May 4 from Raleigh - Durham Intl. to Miami Intl., returning Thu, May 14, priced at $77 found 9 hours ago
Spirit Airlines
Mon, Aug 31 - Thu, Sep 10
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$100 Roundtrip, found 17 hours ago
$100
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Mon, Aug 31 from Newark Liberty Intl. Airport to Miami Intl., returning Thu, Sep 10, priced at $100 found 17 hours ago
Delta
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$147 Roundtrip, found 4 hours ago
$147
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Aug 29, priced at $147 found 4 hours ago
American Airlines
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$147 Roundtrip, found 4 hours ago
$147
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Aug 29, priced at $147 found 4 hours ago
United
Sun, May 24 - Thu, May 28
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$197 Roundtrip, found 17 hours ago
$197
Roundtrip
found 17 hours ago
Select United flight, departing Sun, May 24 from Newark Liberty Intl. Airport to Miami Intl., returning Thu, May 28, priced at $197 found 17 hours ago
United
Wed, Jun 3 - Wed, Jun 10
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$289 Roundtrip, found 17 hours ago
$289
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Key West Intl., returning Wed, Jun 10, priced at $289 found 17 hours ago
JetBlue Airways
Mon, May 18 - Thu, May 21
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$308 Roundtrip, found 2 hours ago
$308
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Mon, May 18 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Thu, May 21, priced at $308 found 2 hours ago
JetBlue Airways
Sat, May 16 - Wed, May 20
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, May 16 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Wed, May 20, priced at $309 found 2 days ago
Delta
Sat, Jun 20 - Wed, Jul 1
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$327 Roundtrip, found 17 hours ago
$327
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Jun 20 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Wed, Jul 1, priced at $327 found 17 hours ago
JetBlue Airways
Wed, May 27 - Wed, Jun 3
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$345 Roundtrip, found 4 days ago
$345
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, May 27 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Wed, Jun 3, priced at $345 found 4 days ago
JetBlue Airways
Wed, May 6 - Tue, May 12
RDU
Raleigh - Durham Intl.
EKW
Miami Central Brightline Train Station
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, May 6 from Raleigh - Durham Intl. to Miami Central Brightline Train Station, returning Tue, May 12, priced at $349 found 4 days ago
JetBlue Airways
Sat, Aug 8 - Tue, Aug 25
RDU
Raleigh - Durham Intl.
AVT
Aventura Brightline Train Station
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 8 from Raleigh - Durham Intl. to Aventura Brightline Train Station, returning Tue, Aug 25, priced at $387 found 3 days ago
JetBlue Airways
Mon, Aug 31 - Thu, Sep 10
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$388 Roundtrip, found 1 day ago
$388
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Aug 31 from Newark Liberty Intl. Airport to Aventura Brightline Train Station, returning Thu, Sep 10, priced at $388 found 1 day ago
Alaska Airlines
Thu, Sep 10 - Sun, Sep 13
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$27,726 Roundtrip, found 4 days ago
$27,726
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep 10 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Sep 13, priced at $27,726 found 4 days ago

Cheap Flights to Duck Key

Fall in love at first flight with your vacation to Duck Key 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 Duck Key on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Duck Key

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Duck Key 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 Duck Key?

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 Duck Key are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Duck Key?

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 Duck Key.

What airport is best to fly into Duck Key?

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

How much are flights to Duck Key?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Duck Key on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, 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 Duck Key?

The trick to saving a stack of cash on your flight to Duck Key? 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 $56 right now, why wait?

Duck Key Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$67

Last Minute Hotel Deals in Duck Key

Hawks Cay Resort

Hawks Cay Resort

4 out of 5
61 Hawks Cay Blvd Marathon FL
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 3 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
8.2/10 Very Good! (1,006 reviews)
Th resort itself was very impressive. Staff was very friendly, accommodating and so helpful. I would say pay attention to extra fees that the resort may hold on to, so you can plan for that, if needed. If you book through something like Expedia, call the resort ahead of time to make sure they are ...

Reviewed on Apr 26, 2026

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Hawks Cay Resort
Villas At Hawks Cay Resort

Villas At Hawks Cay Resort

4 out of 5
61 Hawks Cay Boulevard Marathon FL
Book a stay at this luxury resort in Marathon. Enjoy free WiFi, 3 outdoor pools, and a full-service spa. Popular attractions Little Conch Key and Walkers Island ...
8.2/10 Very Good! (194 reviews)
No clean product for the kitchen area, dish seemed to a be little dirty. Could have to better upgrade, no extra sheets for the fold out couch. The Fold out couch very unfortunate.

Reviewed on Apr 26, 2026

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Villas At Hawks Cay Resort
Village at Hawks Cay Villas by KeysCaribbean

Village at Hawks Cay Villas by KeysCaribbean

3 out of 5
300 Duck Key Drive Marathon FL
Stay at this hotel in Marathon. Enjoy free WiFi, free parking, and 2 restaurants. Our guests praise the property condition in our reviews. Popular attractions ...
7.4/10 Good! (182 reviews)
AC worked well. Didn't use pool.

Reviewed on Apr 5, 2026

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Village at Hawks Cay Villas by KeysCaribbean
Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

5 out of 5
1 Knights Key Boulevard Marathon FL
Book a stay at this luxury hotel in Marathon. Enjoy free WiFi, 5 outdoor pools, and a full-service spa. Our guests praise the pool and the helpful staff in our ...
9.2/10 Wonderful! (1,133 reviews)
Beautiful property and nice spacious rooms. Stayed in a 2 bedroom and the space was great, but would have preferred the layout to be flipped to have the King in the main room and the 2 queens in the extra bedroom up front so the kids had their own space. Balcony was large and furniture was nice. ...

Reviewed on Apr 27, 2026

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Isla Bella Beach Resort & Spa
Lime Tree Bay Resort

Lime Tree Bay Resort

3.5 out of 5
68500 Overseas Hwy Long Key FL
Book a stay at this beach resort in Long Key. Enjoy free WiFi, free parking, and 3 outdoor pools. Our guests praise the pool and the helpful staff in our reviews. ...
9.2/10 Wonderful! (1,254 reviews)
Melanie at reception was very friendly and made us feel very welcome. She directed us to our room that was ready early and advised us of the amenities available to us. We were in accommodation over the road (very busy) which was less than ideal and disappointing but the accommodation was nice but ...

Reviewed on Apr 27, 2026

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Lime Tree Bay Resort
Amara Cay Resort

Amara Cay Resort

4 out of 5
80001 Overseas Hwy Islamorada FL
Book a stay at this beach resort in Islamorada. Enjoy 2 restaurants, a private beach, and 3 bars/lounges. Our guests praise the pool and the helpful staff in ...
8.8/10 Excellent! (1,267 reviews)
Nice quiet, relaxing property

Reviewed on Apr 24, 2026

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Amara Cay Resort
Kingsail Resort

Kingsail Resort

2 out of 5
7050 Overseas Highway Marathon FL
Stay at this motel in Marathon. Enjoy free WiFi, free parking, and a marina. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (1,048 reviews)
Staff was great on my late check in Biggest issue was I stayed there just to launch my boat It’s a very difficult ramp with the only option of backing down Problem was cars were parked were it would have been almost impossible to back in . I ended up going to the public ramp at 7 mile bridge .

Reviewed on Apr 26, 2026

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Kingsail Resort
Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys

3 out of 5
2146 Overseas Hwy Marathon FL
Book a stay at this beach hotel in Marathon. Enjoy free WiFi, 2 outdoor pools, and a beach locale. Our guests praise the pool and the helpful staff in our reviews. ...
9/10 Wonderful! (1,000 reviews)
EVERYTHING GOOD

Reviewed on Apr 20, 2026

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Courtyard by Marriott Faro Blanco Resort, Marathon Florida Keys
See all 2,438 properties in Duck Key
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.