An aerial view of a coastal town with clear blue waters, a marina, and a long pier extending into the sea.

Cheap Flights to Duck Key

View ฿3,650 flight on Sat, 19 Sept 2026Opens in a new window

Flight 1

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Cheap round-trip flights to Duck Key

Prices were available within the past 7 days and start at ฿3,650 for one-way flights and ฿7,300 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
United
American Airlines

Frequently asked questions

How do I find cheap flights to Duck Key that have flexible change policies?
By using our smart "No change fee" filter, that's how. Just enter your origin, destination and travel dates, click the "Search" button, then mark the checkbox directly under the "Flexible change policies" subheading (to the left of your screen). Expedia makes it easy to find flexible, low-cost fares to Duck Key.
Which airlines fly to Duck Key?
Figure out your ideal travel dates and then make your way towards Duck Key with one of these well-known airlines:
  • American Airlines - 5,497 flights to or near Duck Key each month, including 5,223 flights to Miami Intl. Airport (MIA) per month.
  • Delta Air Lines - 975 flights to or near Duck Key each month, including 853 flights to Miami Intl. Airport (MIA) per month.
  • Spirit Airlines - 577 flights to or near Duck Key each month, including 577 flights to Miami Intl. Airport (MIA) per month.
How can I find cheap tickets to Duck Key?
In the last seven days, ฿7,300 was the lowest price for a flight to Duck Key. If you want to save even more, book in advance and be flexible with your travel dates. Search for your journey to Duck Key, then see prices for nearby days by clicking on our "flexible dates" link.
How much is a flight to Duck Key?
If you were jetting one way from Chicago (ORD), you could've picked up an affordable fare for just ฿3,650 in the last seven days. Round-trip journeys to Duck Key ranged from ฿7,300 to ฿36,205 over the same period.
What are the most popular airports to fly into in Duck Key?
Deciding on an airport comes down to factors including your budget and carrier. Here are your two options in Duck Key:
  • Miami Intl. Airport (MIA) - 7,981 flights per month.
  • Key West Intl. Airport (EYW) - 624 flights per month.
How much is a plane ticket to Duck Key?
Seats to Duck Key varied from ฿7,300 to ฿36,205 in the last seven days. Normally, the sooner you book the better the deal.
What months are the cheapest to book a flight to Duck Key?
Reserve your ticket in February to unlock the lowest-priced flights to Duck Key. The festive month of December is generally the most expensive time to purchase an airfare.

Book with confidence

Flights to Duck Key

Searching for cheap flights to Duck Key? No travel company presents more choices than Expedia if you're looking to compare flights to Duck Key. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Duck Key. Expedia provides the cheapest flights to Duck Key and you may find even greater savings if you combine your flight to Duck Key with a hotel stay. Travellers who are flexible about flight times can benefit from last minute cheap flights to Duck Key.

Expedia is the largest online travel agency which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Duck Key for that period and let you choose your preferred time and airline.

Travel information

Destination airport
Miami Intl.
Destination airport IATA code
MIA
Destination city name
Miami
Return price
฿7,300

Trending flights to Duck Key

Prices were available within the past 7 days and start at ฿3,650 for one-way flights and ฿7,300 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Oman Air
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