Cheap flights To Grassy Key (MIA) from $30

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Cheap Flights to Grassy Key from $30 One Way, $61 Round Trip

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

Tue, Mar 3 - Wed, Mar 4
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$61 Roundtrip, found 4 hours ago
$61
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, Mar 3 from John F. Kennedy Intl. to Miami Intl., returning Wed, Mar 4, priced at $61 found 4 hours ago
Wed, Feb 25 - Tue, Mar 3
LGA
LaGuardia
MIA
Miami Intl.
$62 Roundtrip, found 6 hours ago
$62
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Wed, Feb 25 from LaGuardia to Miami Intl., returning Tue, Mar 3, priced at $62 found 6 hours ago
Tue, Feb 24 - Sat, Feb 28
LGA
LaGuardia
MIA
Miami Intl.
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Feb 24 from LaGuardia to Miami Intl., returning Sat, Feb 28, priced at $63 found 1 hour ago
Tue, Feb 24 - Sat, Feb 28
LGA
LaGuardia
MIA
Miami Intl.
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Feb 24 from LaGuardia to Miami Intl., returning Sat, Feb 28, priced at $63 found 1 hour ago
Tue, Mar 3 - Wed, Mar 11
JFK
John F. Kennedy Intl.
MIA
Miami Intl.
$65 Roundtrip, found 5 hours ago
$65
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Mar 3 from John F. Kennedy Intl. to Miami Intl., returning Wed, Mar 11, priced at $65 found 5 hours ago
Mon, Mar 2 - Tue, Mar 3
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$71 Roundtrip, found 5 hours ago
$71
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Mon, Mar 2 from Newark Liberty Intl. Airport to Miami Intl., returning Tue, Mar 3, priced at $71 found 5 hours ago
Mon, Apr 27 - Sat, May 2
EWR
Newark Liberty Intl. Airport
MIA
Miami Intl.
$147 Roundtrip, just found
$147
Roundtrip
just found
Select United flight, departing Mon, Apr 27 from Newark Liberty Intl. Airport to Miami Intl., returning Sat, May 2, priced at $147 just found
Sat, May 30 - Thu, Jun 4
LGA
LaGuardia
MIA
Miami Intl.
$147 Roundtrip, found 16 hours ago
$147
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, May 30 from LaGuardia to Miami Intl., returning Thu, Jun 4, priced at $147 found 16 hours ago
Sat, May 30 - Thu, Jun 4
LGA
LaGuardia
MIA
Miami Intl.
$147 Roundtrip, found 16 hours ago
$147
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, May 30 from LaGuardia to Miami Intl., returning Thu, Jun 4, priced at $147 found 16 hours ago
Sun, Apr 26 - Thu, Apr 30
EWR
Newark Liberty Intl. Airport
EYW
Key West Intl.
$165 Roundtrip, found 3 days ago
$165
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sun, Apr 26 from Newark Liberty Intl. Airport to Key West Intl., returning Thu, Apr 30, priced at $165 found 3 days ago

Grassy Key Flight Information

Traveling To
Grassy Key
Destination Airport IATA Code
MIA
Number of Airlines Serving
Airlines
Frontier Airlines, Spirit Airlines, United, American Airlines, Delta
Flight Price
$61
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.
Creekside Inn
2.5-star property

Creekside Inn

Apr 5 - Apr 10

5 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $1,457, price is now $690 per person
$690
per person
found 1 day ago
Park Central South Beach
4.0-star property

Park Central South Beach

Mar 21 - Mar 28

7 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $1,900, price is now $965 per person
$965
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

Mar 23 - Mar 26

3 night stay

Boston (BOS) to Miami (MIA)

Spirit Airlines • Roundtrip • Coach
Price was $9,804, price is now $5,143 per person
$5,143
per person
found 1 day ago
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Grassy Key premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Kompose Boutique Hotel Miami Airport
3.0-star property

Kompose Boutique Hotel Miami Airport

9.2/10 Wonderful! (1,907 reviews)

Mar 20 - Mar 25

5 night stay

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

Spirit Airlines • PremiumEconomy

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

Delta • PremiumEconomy
Save 100% on your flight
Price was $1,051, price is now $636 per person
$636
per person
found 1 day ago
Would def stay here again

Reviewed on Dec 4, 2025

The Retreat Collection at 1 Hotel & Homes South Beach
5.0-star property

The Retreat Collection at 1 Hotel & Homes South Beach

8/10 Very Good! (1 review)

Apr 6 - Apr 11

5 night stay

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

Delta • PremiumEconomy

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

Spirit Airlines • PremiumEconomy
Price was $21,305, price is now $11,743 per person
$11,743
per person
found 1 day ago
Fort Lauderdale Beach Resort by Vacatia
4.5-star property

Fort Lauderdale Beach Resort by Vacatia

8.4/10 Very Good! (436 reviews)

Mar 20 - Mar 25

5 night stay

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

Spirit Airlines • PremiumEconomy

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

Delta • PremiumEconomy
Save 100% on your flight
Price was $1,080, price is now $651 per person
$651
per person
found 1 day ago
Property needs some updating, carpet in the bedroom is so old and dirty.

Reviewed on Oct 22, 2025

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Grassy Key first class flight packages

Price found within the past 48 hours. Click for updated prices.
Cavalier Hotel South Beach
3.5-star property

Cavalier Hotel South Beach

8.4/10 Very Good! (1,001 reviews)

Mar 12 - Mar 16

4 night stay

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

American Airlines • Roundtrip • FirstClass
Price was $2,076, price is now $1,470 per person
$1,470
per person
found 1 day ago
Staff was great, elevator is tired, but I loved the proximity to everything

Reviewed on Jan 3, 2026

The Retreat Collection at 1 Hotel & Homes South Beach
5.0-star property

The Retreat Collection at 1 Hotel & Homes South Beach

8/10 Very Good! (1 review)

Mar 28 - Apr 2

5 night stay

New York (NYC) to Miami (MIA)

American Airlines • FirstClass

Miami (MIA) to New York (NYC)

Spirit Airlines • FirstClass
Price was $19,873, price is now $10,935 per person
$10,935
per person
found 1 day ago
1 Hotel South Beach
5.0-star property

1 Hotel South Beach

9.4/10 Exceptional! (1,365 reviews)

Mar 12 - Mar 16

4 night stay

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

American Airlines • Roundtrip • FirstClass
Save 100% on your flight
Price was $4,690, price is now $3,284 per person
$3,284
per person
found 1 day ago
The best hotel I have ever stayed in!

Reviewed on Jan 17, 2026

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See all available trips from Newark Liberty Intl. Airport to Grassy Key
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Grassy Key

Traveling to Grassy Key and need a cheap flight? Orbitz has great deals on flights to Grassy Key right now. Plus, we offer big discounts on hotel rooms and car rentals for a great money-saving trip.

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Orbitz Customers Are Truly #1

Orbitz takes pride in providing the best customer experience possible, and that effort doesn't end with discount flights to Grassy Key or user-friendly mobile apps and web tools. Orbitz Customer Service is always ready to answer questions and help you with booking, planning, or canceling your Grassy Key flights. When you need us, we’re here for you!

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 $61 and $165 for a return trip to Grassy Key. Tickets one-way originating from New York (LGA) sank as low as just $30 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.