Flights to Duck Key, Marathon from NT$4,787

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.

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.

In the last seven days, NT$4,787 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.

If you were jetting one way from New York (JFK), you could’ve picked up an affordable fare for just NT$2,394 in the last seven days. Round-trip journeys to Duck Key ranged from NT$4,787 to NT$42,319 over the same period.

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.

If you’re not fixed on your travel dates to Duck Key, try to depart early in the week. The most affordable day to take off is usually Tuesday, closely followed by Monday. Saturday is typically the most expensive day, with many people opting to take off on the weekend.

Seats to Duck Key varied from NT$4,787 to NT$42,319 in the last seven days. Normally, the sooner you book the better the deal.

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.