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Flights to Grassy Key, Marathon from NT$29,670

View NT$17,381 flight on Thu, 2026/9/10Opens in a new window

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How much is the cheapest flight to Grassy Key?

Prices were available within the past 7 days and start at NT$17,381 for one-way flights and NT$29,670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
STARLUX Airlines
Korean Air
United
China Airlines

Frequently asked questions

How do I find cheap flights to Grassy Key that have flexible change policies?
When it comes to traveling these days, flexibility is key. That's why we have a "No change fee" filter to help you find flexible, cheap flights to Grassy Key. It's on the left of your screen directly underneath the "Flexible change policies" heading.
Which airlines fly to Grassy Key?
With a good range of airlines flying into or near Grassy Key, you're spoiled for choice:
  • American Airlines - 5,497 flights to or near Grassy Key each month, including 5,223 flights to Miami Intl. Airport (MIA) per month.
  • Delta Air Lines - 975 flights to or near Grassy Key each month, including 853 flights to Miami Intl. Airport (MIA) per month.
  • Spirit Airlines - 577 flights to or near Grassy Key each month, including 577 flights to Miami Intl. Airport (MIA) per month.
How can I find cheap tickets to Grassy Key?
You'll always find an amazing deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred travel date, then check the flexible dates box above to see a list of prices for nearby days. NT$29,670 was the cheapest price for a flight to Grassy Key in the last seven days.
How much is a flight to Grassy Key?
The price of a round-trip ticket to Grassy Key in the last seven days ranged between NT$29,670 and NT$38,536. If you were heading one way from Taipei (TPE), you could have purchased a fare from just NT$17,381.
What are the most popular airports to fly into in Grassy Key?
When it comes to selecting which Grassy Key airport to jet into, here are your options:
  • Miami Intl. Airport (MIA) - 7,981 flights per month.
  • Key West Intl. Airport (EYW) - 624 flights per month.
When is the cheapest time to fly to Grassy Key?
Jet off on a Tuesday to improve your chances of getting the cheapest flight to Grassy Key. Mondays are usually the next most affordable day to depart. Saturday is normally the costliest day to fly anywhere.
How much is a plane ticket to Grassy Key?
In the last seven days, tickets to Grassy Key fluctuated between NT$29,670 and NT$38,536. Prices usually rise as your travel date nears, so land yourself a bargain today.
What months are the cheapest to book a flight to Grassy Key?
Snap up your ticket in February to enjoy the lowest-priced flights to Grassy Key. December is often the most expensive time to purchase a fare.

Travel information

Destination airport
Miami Intl.
Destination airport IATA code
MIA
Destination city name
Miami
Roundtrip price
NT$29,670

Trending flights to Grassy Key

Prices were available within the past 7 days and start at NT$17,381 for one-way flights and NT$29,670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta

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