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Duck Key

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Duck Key Flights as Low as $118

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

Frontier Airlines
Fri, Aug 28 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$118 Roundtrip, found 2 hours ago
$118
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Aug 28 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Sep 1, priced at $118 found 2 hours ago
Frontier Airlines
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$128 Roundtrip, found 2 hours ago
$128
Roundtrip
found 2 hours 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 2 hours ago
Frontier Airlines
Wed, Jul 8 - Sat, Jul 11
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$131 Roundtrip, found 1 hour ago
$131
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sat, Jul 11, priced at $131 found 1 hour ago
Frontier Airlines
Tue, Sep 8 - Mon, Sep 28
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$139 Roundtrip, found 16 hours ago
$139
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Sep 8 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Mon, Sep 28, priced at $139 found 16 hours ago
Frontier Airlines
Mon, Sep 14 - Thu, Sep 17
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$140 Roundtrip, found 2 days ago
$140
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Sep 14 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Sep 17, priced at $140 found 2 days ago
Frontier Airlines
Mon, Jul 6 - Thu, Jul 9
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$142 Roundtrip, found 6 hours ago
$142
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Jul 6 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Thu, Jul 9, priced at $142 found 6 hours ago
Frontier Airlines
Tue, Jul 14 - Sun, Jul 19
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$143 Roundtrip, found 1 day ago
$143
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Sun, Jul 19, priced at $143 found 1 day ago
Delta
Fri, Aug 28 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Aug 28 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Sep 1, priced at $159 found 2 hours ago
American Airlines
Fri, Aug 28 - Tue, Sep 1
ATL
Hartsfield-Jackson Atlanta Intl.
MIA
Miami Intl.
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Aug 28 from Hartsfield-Jackson Atlanta Intl. to Miami Intl., returning Tue, Sep 1, priced at $167 found 2 hours ago
United
Tue, Sep 15 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, Oct 6, priced at $177 found 1 day ago
Delta
Sat, Sep 19 - Tue, Sep 29
ATL
Hartsfield-Jackson Atlanta Intl.
EYW
Key West Intl.
$299 Roundtrip, found 4 hours ago
$299
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 19 from Hartsfield-Jackson Atlanta Intl. to Key West Intl., returning Tue, Sep 29, priced at $299 found 4 hours ago
Delta
Tue, Sep 15 - Sat, Sep 19
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 15 from Newark Liberty Intl. Airport to Key West Intl., returning Sat, Sep 19, priced at $309 found 1 hour ago
JetBlue Airways
Sat, Aug 15 - Wed, Aug 26
ATL
Hartsfield-Jackson Atlanta Intl.
EKW
Miami Central Brightline Train Station
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Aug 15 from Hartsfield-Jackson Atlanta Intl. to Miami Central Brightline Train Station, returning Wed, Aug 26, priced at $329 found 1 day ago
JetBlue Airways
Tue, Aug 18 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
AVT
Aventura Brightline Train Station
$350 Roundtrip, found 2 hours ago
$350
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Aventura Brightline Train Station, returning Sat, Aug 29, priced at $350 found 2 hours ago
JetBlue Airways
Sat, Aug 29 - Fri, Sep 11
EWR
Newark Liberty Intl. Airport
EKW
Miami Central Brightline Train Station
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Aug 29 from Newark Liberty Intl. Airport to Miami Central Brightline Train Station, returning Fri, Sep 11, priced at $360 found 4 days ago
JetBlue Airways
Tue, Sep 15 - Tue, Oct 6
EWR
Newark Liberty Intl. Airport
AVT
Aventura Brightline Train Station
$382 Roundtrip, found 1 day ago
$382
Roundtrip
found 1 day 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 1 day 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 $118, 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 $118 right now, why wait?

Duck Key Flight Information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Roundtrip price
$118

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! (1,015 reviews)
"Could have been worse, could have been better. Stayed in a 2 bedroom premium villa which was supposedly recently renovated. Still felt kind of run down. Booked for the dolphins and kids pool, but dolphins moved and kids pool was closed for construction of new water park. Hotel did not accommodate ..."

Reviewed on Jun 11, 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! (207 reviews)
"Everything!!!"

Reviewed on Jun 2, 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 ...
7.6/10 Good! (186 reviews)
"Villa was clean and well-supplied. Location, location, location was PERFECT! 3rd party booking sent check-in email to them rather than me but one short phone call and check-in information was sent within 5 minutes. Looking forward to staying here again."

Reviewed on May 20, 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! (1,183 reviews)
"just fabulous. highlight was mahina - the restaurant. so good."

Reviewed on Jun 11, 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! (1,314 reviews)
"I like everything about this place"

Reviewed on Jun 11, 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! (1,302 reviews)
"Although this is priced at a high end resort, there is nothing high end about it. Needs a lot of updating. Our room was very much in need of some deep cleaning and updating. We stayed on the 5th floor which smelled of pot the whole stay. Housekeeping was ok but very inconsistent. There is absolutely ..."

Reviewed on Jun 9, 2026

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Amara Cay Resort
Fairfield Inn & Suites by Marriott Marathon Florida Keys

Fairfield Inn & Suites by Marriott Marathon Florida Keys

3 out of 5
13201 Overseas Hwy Marathon FL
Book a stay at this business-friendly hotel in Marathon. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the breakfast and the restaurant ...
9.2/10 Wonderful! (1,158 reviews)
"Wonderful place"

Reviewed on Jun 10, 2026

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Fairfield Inn & Suites by Marriott Marathon Florida Keys
Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

Faro Blanco Resort Marathon Florida Keys, Curio by Hilton

4 out of 5
1996 Overseas Highway Marathon FL
Book a stay at this spa resort in Marathon. Enjoy free WiFi, 4 outdoor pools, and a full-service spa. Our guests praise the pool and the restaurant in our reviews. ...
8.6/10 Excellent! (1,161 reviews)
"Amazing location and super pet friendly!"

Reviewed on Jun 12, 2026

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Faro Blanco Resort Marathon Florida Keys, Curio by Hilton
See all 2,469 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.