Cheap flights To Grassy Key (MIA) from $41

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Cheap Flights to Grassy Key from $41 One Way, $82 Round Trip

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

Sat, Nov 7 - Wed, Nov 11
TPA
Tampa Intl.
EYW
Key West Intl.
$82 Roundtrip, found 5 hours ago
$82
Roundtrip
found 5 hours ago
Select Breeze Airways flight, departing Sat, Nov 7 from Tampa Intl. to Key West Intl., returning Wed, Nov 11, priced at $82 found 5 hours ago
Sat, Sep 12 - Wed, Sep 16
TPA
Tampa Intl.
EYW
Key West Intl.
$83 Roundtrip, found 1 day ago
$83
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Sat, Sep 12 from Tampa Intl. to Key West Intl., returning Wed, Sep 16, priced at $83 found 1 day ago
Mon, Aug 24 - Wed, Sep 2
TPA
Tampa Intl.
EYW
Key West Intl.
$86 Roundtrip, found 3 days ago
$86
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Mon, Aug 24 from Tampa Intl. to Key West Intl., returning Wed, Sep 2, priced at $86 found 3 days ago
Mon, Aug 31 - Thu, Sep 3
PIE
St. Petersburg-Clearwater Intl.
EYW
Key West Intl.
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Allegiant Air flight, departing Mon, Aug 31 from St. Petersburg-Clearwater Intl. to Key West Intl., returning Thu, Sep 3, priced at $86 just found
Wed, Sep 9 - Sat, Sep 12
TPA
Tampa Intl.
EYW
Key West Intl.
$87 Roundtrip, found 2 days ago
$87
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Wed, Sep 9 from Tampa Intl. to Key West Intl., returning Sat, Sep 12, priced at $87 found 2 days ago
Sat, Sep 12 - Wed, Sep 16
TPA
Tampa Intl.
EYW
Key West Intl.
$88 Roundtrip, found 4 hours ago
$88
Roundtrip
found 4 hours ago
Select Breeze Airways flight, departing Sat, Sep 12 from Tampa Intl. to Key West Intl., returning Wed, Sep 16, priced at $88 found 4 hours ago
Mon, Aug 31 - Wed, Sep 9
TPA
Tampa Intl.
EYW
Key West Intl.
$90 Roundtrip, found 18 hours ago
$90
Roundtrip
found 18 hours ago
Select Breeze Airways flight, departing Mon, Aug 31 from Tampa Intl. to Key West Intl., returning Wed, Sep 9, priced at $90 found 18 hours ago
Mon, Aug 24 - Wed, Sep 9
TPA
Tampa Intl.
EYW
Key West Intl.
$91 Roundtrip, found 3 days ago
$91
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Mon, Aug 24 from Tampa Intl. to Key West Intl., returning Wed, Sep 9, priced at $91 found 3 days ago
Wed, Jan 6 - Wed, Jan 13
MCO
Orlando Intl.
EYW
Key West Intl.
$102 Roundtrip, found 20 hours ago
$102
Roundtrip
found 20 hours ago
Select Breeze Airways flight, departing Wed, Jan 6 from Orlando Intl. to Key West Intl., returning Wed, Jan 13, priced at $102 found 20 hours ago
Tue, Sep 29 - Thu, Oct 1
MCO
Orlando Intl.
MIA
Miami Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 29 from Orlando Intl. to Miami Intl., returning Thu, Oct 1, priced at $117 just found

Grassy Key Flight Information

Traveling To
Grassy Key
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Breeze Airways, Allegiant Air, American Airlines
Flight Price
$82
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Grassy Key economy flight packages

Price found within the past 48 hours. Click for updated prices.
Luxuri Suites
3.0-star property

Luxuri Suites

Sep 23 - Sep 30

7 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

United • Roundtrip • Coach
Save 100% on your flight
Price was $1,032, price is now $532 per person
$532
per person
found 1 day ago
The Retreat Collection at 1 Hotel & Homes South Beach
5.0-star property

The Retreat Collection at 1 Hotel & Homes South Beach

Oct 11 - Oct 16

5 night stay

Detroit (DTW) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • Coach
Price was $15,247, price is now $7,350 per person
$7,350
per person
found 2 hours ago
EAST Miami Residences
5.0-star property

EAST Miami Residences

Oct 11 - Oct 16

5 night stay

Detroit (DTW) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • Coach
Save 100% on your flight
Price was $2,239, price is now $1,338 per person
$1,338
per person
found 2 hours ago
Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to Grassy Key
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Grassy Key premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Radisson Resort Miami Beach
4.0-star property

Radisson Resort Miami Beach

7.8/10 Good! (2,402 reviews)

Oct 1 - Oct 6

5 night stay

New York (NYC) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $912, price is now $662 per person
$662
per person
found 19 hours ago
Very nice clean and nice Hotel.

Reviewed on Aug 21, 2026

Andaz Miami Beach Resort & Spa
5.0-star property

Andaz Miami Beach Resort & Spa

9.2/10 Wonderful! (378 reviews)

Oct 1 - Oct 6

5 night stay

New York (NYC) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Save 100% on your flight
Price was $1,847, price is now $1,175 per person
$1,175
per person
found 19 hours ago
Bar

Reviewed on Aug 21, 2026

Fontainebleau Miami Beach
4.5-star property

Fontainebleau Miami Beach

8.4/10 Very Good! (8,706 reviews)

Oct 1 - Oct 6

5 night stay

New York (NYC) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Save 100% on your flight
Price was $1,498, price is now $991 per person
$991
per person
found 19 hours ago

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See all available trips from New York to Grassy Key
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Grassy Key business class flight packages

Price found within the past 48 hours. Click for updated prices.
Fontainebleau Miami Beach
4.5-star property

Fontainebleau Miami Beach

8.4/10 Very Good! (8,706 reviews)

Oct 9 - Oct 14

5 night stay

New York (LGA) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Save 100% on your flight
Price was $2,086, price is now $1,387 per person
$1,387
per person
found 1 day ago

1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,586 reviews)

Oct 9 - Oct 14

5 night stay

New York (LGA) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Save 100% on your flight
Price was $3,894, price is now $2,323 per person
$2,323
per person
found 1 day ago

Andaz Miami Beach Resort & Spa
5.0-star property

Andaz Miami Beach Resort & Spa

9.2/10 Wonderful! (378 reviews)

Oct 9 - Oct 14

5 night stay

New York (LGA) to Miami (MIA)

Frontier Airlines • Non-stop roundtrip • BusinessClass
Save 100% on your flight
Price was $2,188, price is now $1,486 per person
$1,486
per person
found 1 day ago
Bar

Reviewed on Aug 21, 2026

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Grassy Key first class flight packages

Price found within the past 48 hours. Click for updated prices.
Pelican Grand Beach Resort - A Noble House Resort
4.0-star property

Pelican Grand Beach Resort - A Noble House Resort

8.8/10 Excellent! (1,681 reviews)

Oct 4 - Oct 9

5 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

United • Roundtrip • FirstClass
Price was $2,119, price is now $1,451 per person
$1,451
per person
found 1 day ago

Villas At Hawks Cay Resort
4.0-star property

Villas At Hawks Cay Resort

8/10 Very Good! (227 reviews)

Oct 9 - Oct 12

3 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

United • FirstClass

Miami (MIA) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Price was $2,107, price is now $1,585 per person
$1,585
per person
found 1 day ago

EAST Miami Residences
5.0-star property

EAST Miami Residences

9.2/10 Wonderful! (143 reviews)

Oct 9 - Oct 12

3 night stay

Newark Liberty Intl. Airport (EWR) to Miami (MIA)

United • FirstClass

Miami (MIA) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • FirstClass
Price was $2,124, price is now $1,630 per person
$1,630
per person
found 1 day ago
Great staff. Really try to sort out any issues and requests.

Reviewed on Aug 20, 2026

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Grassy Key

Save money on your flights to Grassy Key as well as on hotel and car packages.

 

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Snap up cheap Grassy Key flights at Orbitz, and pay no booking fees. We also don’t charge fees when your plans change or are cancelled. While you’re there, check out our low fare deals on flights to other locations besides flights to Grassy Key.

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Mix and Match

At Orbitz, we turned a great idea from the world of fashion into another way for you to save money. When you shop our low cost tickets on flights to any destination, don’t be afraid to mix and match different airlines for maximum savings on your Grassy Key flights air ticket. Save more on air travel every day in every way at Orbitz.

Frequently asked questions

Which airlines fly to Grassy Key?
Look for a flight that suits your schedule among the 20 airlines that jet into Key West Intl. Airport (EYW). The easiest way to save on ticket prices is to book early. Take a look at these popular domestic air carriers and land a great deal today:

  • American Airlines - 118 flights to Grassy Key per month
  • Silver Airways - 57 flights to Grassy Key per month
  • Delta - 45 flights to Grassy Key per month

How much is a flight to Grassy Key?
This week, prices fluctuated between $82 and $117 for a return trip to Grassy Key. Tickets one-way originating from Tampa (TPA) sank as low as just $41 during the same period.
How to book the cheapest flight to Grassy Key?
Picking up cheap flights to Grassy Key is as easy as booking your ticket with Orbitz. But if you'd love to make sure you're grabbing the best flight deals around, here are a few tips to keep your wallet happy:

  • Consider departing from or arriving at other airports to save on your flight. Enter your preferred departure and arrival airports in the form fields, then select the 'Nearby airports' function below. It will list any available options.
  • If you're flexible with your schedule, click on the 'Show flexible dates' link. You'll see the flight deals for the days around your chosen departure. Ticket prices often vary depending on what day it is.
  • You can also use the 'Show options' link to filter results for your preferred airline, seating class, and nonstop and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you'd like to fly.
  • Reserve your airfare as soon as you know your travel dates. While it does happen from time to time, airline tickets rarely drop in price as your departure date gets closer.
  • Save big on your vacation by bundling your flights, hotels and car rental into an Orbitz package deal. Your travel budget will thank you.
  • Flying during the busy season often means pricey airfares. Try to travel outside of popular dates, such as school breaks, Thanksgiving and Easter.

What is the best time to book a flight to Grassy Key?
If possible, purchase your flights to Grassy Key in January. This is the best month to get low airfares, closely followed by February and August. With a little organizing, you're sure to find a cheap flight with Orbitz.
What day of the week is the cheapest to book a flight to Grassy Key?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase seats to Grassy Key. The vacation of your dreams starts with an impressive flight deal!
What is the cheapest day of the week to fly to Grassy Key?
According to Orbitz data from 2020, you'll want to kick off your trip on a Monday to score cheap flights to Grassy Key. Next cheapest day? Tuesday. Saturday will cost the most. So, consider departing early in the week if you want to book a bargain fare without paying premium prices.
What is the cheapest month to fly to Grassy Key?
To pick up cheap flights to Grassy Key, you should pack your bags and jet off in August. Orbitz data shows that generally, this is the best month to save a bundle on your fare. If you're considering flying to Grassy Key in June, bear in mind that this is the most expensive time to take a trip.
Which airlines allow free cancellation?
When searching for your Grassy Key flights on Orbitz, select "Filter by flexible change policies." This filter will show you all the carriers offering free cancellation within 24 hours of booking and no change fees. Relax knowing that if things unexpectedly change, your reservation can too.
What do I need for the flight to Grassy Key?
The secret to a comfortable and successful flight is to prepare well. Listed below are some handy tips to help you get ready for your adventure:

  • Before you take your seat on the plane, you'll need to show proof of identification, such as your passport. You'll also need your ticket. If you're traveling with the kids, check with your airline about which documents they require — if any.
  • To keep you amused on your short trip to Grassy Key, download some new tracks or stock up the audiobook library on your tablet. Food can also be a nice distraction while in the air, so pack some light snacks.
  • Even if you're traveling when it's hot and sticky outside, bring a cardigan or sweater on board with you. Cabins are notorious for getting a bit chilly!

How do I get cheap first-class/business deals to Grassy Key?
Smart travelers are pros at finding first or business-class flights to Grassy Key without the hefty price tag. You can do the same with these handy tips:

  • Being flexible isn't just useful for your yoga. Have some room to move around your travel dates so you can pick up cheaper airfares when they crop up.
  • Look for a budget airline that offers business-class seats. They often come with more legroom and a glass of Champagne — and a more attractive price.
  • Bid for an upgrade in online auctions (if available) or upgrade your seat with your frequent flyer points.

What is the best time to go to Grassy Key?
Grassy Key is a fantastic getaway destination year-round, but the most popular months to visit are January, February and September. If you're a fan of warmer weather, make your way there in summertime. Like most places in the Northern Hemisphere, the summer season gets underway June 20. At this time, temperatures normally hover between 80 ºF and 85 ºF during the daytime.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.