Cheap Flights to Grassy Key: Grassy Key Flight Deals

View €260 flight on Mon, 18 May 2026Opens in a new window

Flight 1

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Cheap round-trip flights to Grassy Key

Prices were available within the past 7 days and start at €260 for one-way flights and €399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, 16 Sept - Wed, 23 Sept
BCN
Barcelona
MIA
Miami
€399 Return, found 12 hours ago
€399
Return
found 12 hours ago
Select Iberia flight, departing Wed, 16 Sept from Barcelona to Miami, returning Wed, 23 Sept, priced at €399 found 12 hours ago
British Airways
Tue, 9 Jun - Sat, 20 Jun
DUB
Dublin
MIA
Miami
€493 Return, found 9 hours ago
€493
Return
found 9 hours ago
Select British Airways flight, departing Tue, 9 Jun from Dublin to Miami, returning Sat, 20 Jun, priced at €493 found 9 hours ago
Scandinavian Airlines
Wed, 3 Feb - Wed, 17 Feb
DUB
Dublin
MIA
Miami
€500 Return, found 1 day ago
€500
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 3 Feb from Dublin to Miami, returning Wed, 17 Feb, priced at €500 found 1 day ago
Finnair
Sun, 3 May - Sat, 9 May
DUB
Dublin
MIA
Miami
€503 Return, found 8 hours ago
€503
Return
found 8 hours ago
Select Finnair flight, departing Sun, 3 May from Dublin to Miami, returning Sat, 9 May, priced at €503 found 8 hours ago
American Airlines
Thu, 28 May - Thu, 11 Jun
DUB
Dublin
MIA
Miami
€509 Return, found 4 days ago
€509
Return
found 4 days ago
Select American Airlines flight, departing Thu, 28 May from Dublin to Miami, returning Thu, 11 Jun, priced at €509 found 4 days ago

Frequently asked questions

How do I find cheap flights to Grassy Key that have flexible change policies?
When it comes to travelling 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. €399 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 €399 and €509. If you were heading one way from Barcelona (BCN), you could have purchased a fare from just €260.
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.

How much is a plane ticket to Grassy Key?
In the last seven days, tickets to Grassy Key fluctuated between €399 and €509. 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
Return price
€492

Trending flights to Grassy Key

Prices were available within the past 7 days and start at €260 for one-way flights and €399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 9 Jun - Sat, 20 Jun
DUB
Dublin
MIA
Miami
€493 Return, found 9 hours ago
€493
Return
found 9 hours ago
Select British Airways flight, departing Tue, 9 Jun from Dublin to Miami, returning Sat, 20 Jun, priced at €493 found 9 hours ago

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