$18 Cheap flights to Florida Keys
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Florida Keys departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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What is the cheapest day to depart on your flight to Florida Keys?
The cheapest day to depart from United States to Florida Keys is on a Saturday when prices can be found for as low as $533. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $589.
Cheapest flights to cities in Florida Keys
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Cheap Florida Keys flight deals and tips
Summary info about Florida Keys flight prices, duration and airlines
Best One-Way Price | $17 |
|---|---|
Best Round-Trip Price | $18 |
Fastest flight time | 2h 46m |
Popular in | February |
Frequently asked questions about flying to Florida Keys
What airlines fly to Florida Keys?
Of the 7 airlines that fly to Florida Keys, American Airlines, Delta and United Airlines happen to be the most favored based on our user data. American Airlines is the most popular among the three airlines, with 61% of users choosing them for their travels to Florida Keys.
What is the best day of the week to fly to Florida Keys?
Flying to Florida Keys on a Saturday or Wednesday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Florida Keys is on a Sunday.
When did momondo last update prices for flights to Florida Keys?
Prices for flights to Florida Keys were last updated today.
How many operators does momondo search for flights to Florida Keys?
As of July 2025, there are 8 operators available to choose from for flights to Florida Keys.
How old do you have to be to fly to Florida Keys?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal to Florida Keys?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Florida Keys. momondo saves you time and could save you money on your trip.
Can I find flights to Florida Keys with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Florida Keys with this policy.
How can momondo help me find flights to Florida Keys?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Florida Keys.
I’m not ready to book a flight to Florida Keys right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Florida Keys and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.