$39 Cheap Flights to Florida Keys

View $39 flight on Sun, Jun 1, 2025Opens in a new window

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How much is the cheapest flight to Florida Keys?

Prices were available within the past 7 days and start at $39 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, Jun 1 - Wed, Jun 4
ORD
Chicago
MIA
Miami
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Jun 1 from Chicago to Miami, returning Wed, Jun 4, priced at $78 just found
Spirit Airlines
Tue, May 6 - Thu, May 15
EWR
New York
MIA
Miami
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, May 6 from New York to Miami, returning Thu, May 15, priced at $88 just found
Spirit Airlines
Tue, May 6 - Tue, May 6
PHL
Philadelphia
MIA
Miami
$88 Roundtrip, found 4 hours ago
$88
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Tue, May 6 from Philadelphia to Miami, returning Tue, May 6, priced at $88 found 4 hours ago
Spirit Airlines
Thu, May 29 - Thu, May 29
BOS
Boston
MIA
Miami
$93 Roundtrip, just found
$93
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 29 from Boston to Miami, returning Thu, May 29, priced at $93 just found
JetBlue Airways
Tue, Oct 14 - Fri, Oct 17
PHL
Philadelphia
EYW
Key West
$223 Roundtrip, found 5 hours ago
$223
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Tue, Oct 14 from Philadelphia to Key West, returning Fri, Oct 17, priced at $223 found 5 hours ago

Tips to find the cheapest flights to Florida Keys

The cheapest day to fly

Get started finding a cheap flight to Florida Keys on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

June is the cheapest month to fly to Florida Keys. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Florida Keys. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Florida Keys, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Florida Keys

The lowest price for round-trip flights to Florida Keys in 2025 starts from from $77, while one-way tickets start from from $39. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Florida Keys. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Florida Keys

Spirit Airlines, Frontier Airlines, JetBlue Airways are just some of the airlines that can typically offer cheap tickets to Florida Keys. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Florida Keys and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Florida Keys, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Florida Keys. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Florida Keys plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Florida Keys

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Florida Keys.

Stopover savings

The cheapest tickets to Florida Keys are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Florida Keys. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Florida Keys for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Florida Keys. Simply download the free Expedia app to your smart device and activate Florida Keys flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Florida Keys. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Florida Keys?
Flights to Florida Keys are generally the cheapest in June *. You could snap up a great deal for fares in this month if you keep an eye out. *Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to Florida Keys?
Get cheap flights to Florida Keys from New York, Atlanta and Chicago. These cities generally offer the best fares to this popular destination. But bear in mind that stopovers, holiday periods and demand also influence rates, so remain flexible and book when prices are right.
Which US cities fly direct to Florida Keys?
There are 63 US destinations you’re able to fly to Florida Keys nonstop from. Explore your options by using the “Direct flights only” filter on Expedia and choose the ideal starting point for you. Here are some of the leading cities to set off from:

  • New York
  • Atlanta
  • Chicago
  • Dallas
  • Newark

How to find a cheap flight to Florida Keys?
To lock in cheap flights to Florida Keys, book in advance or visit during the off-season months of August and September. Want another tip? Jet off on a Thursday and save 16% on average compared to traveling on a Sunday.* Set up price tracking on the Expedia app and we’ll notify you as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Florida Keys?
Although booking in advance is typically the best way to save cash, don’t worry if your Florida Keys vacation is last minute. You can still get cheap flights to Florida Keys, especially if your plans have a little wiggle room. Try changing your dates, exploring different ticket types or jetting out of an alternative airport.
How far in advance should I book a flight to Florida Keys?
Secure the departure dates you want and a price that fits your budget by booking your domestic flight to Florida Keys up to 28 days in advance. Lock in tickets between two and four months ahead if you’re jetting to Florida Keys from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Florida Keys?
You can save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to snapping up a cheap flight to Florida Keys, it’s all about timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Florida Keys?
With a great selection of airlines that fly to Florida Keys, you’re not short on choice:

  • American Airlines - 6,296 flights to Florida Keys each month, including 5,871 flights to Miami Intl. Airport (MIA) per month.
  • Delta Air Lines - 1,157 flights to Florida Keys each month, including 1,001 flights to Miami Intl. Airport (MIA) per month.
  • United Airlines - 615 flights to Florida Keys each month, including 550 flights to Miami Intl. Airport (MIA) per month.

Can I save money by booking a Florida Keys trip package?
Bundle your accommodations and flights and you could save hundreds of dollars. Better still, you can add extras like tours and car rentals to your Florida Keys flight and hotel package deal. With Expedia, it’s a breeze to organize all your Florida Keys travel arrangements in the same place.
Can I change or cancel my flight to Florida Keys?
It’s often possible to cancel or change your flight to Florida Keys. Many airlines allow you to cancel your flight for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer you a credit toward future flights instead of a direct refund. To secure cheap flights to Florida Keys with flexible change policies, check “Changes included” or “No cancel fee” when you search. Want more details? Check out our Customer Service Portal.
Flights to Florida Keys information
Destination airport
Miami Intl.
Destination airport IATA code
MIA
Destination city name
Miami
Roundtrip price
$77

Trending flights to Florida Keys

Prices were available within the past 7 days and start at $39 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, May 28 - Thu, May 29
LGA
New York
MIA
Miami
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 28 from New York to Miami, returning Thu, May 29, priced at $77 just found

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*Available to One Key members.