Cheap flights from the United States to Florida Keys from $38
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Florida Keys departing on 6/30. 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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How to get the cheapest flight ticket from United States to Florida Keys
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Florida Keys?
The month of January is another great option to travel to Florida Keys, with average flight prices from United States averaging around $192.
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 $586.
What is the cheapest time of day to depart on your flight to Florida Keys?
According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from United States to Florida Keys in the afternoon for as low as $475. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $605.
What is the cheapest United States to Florida Keys flight route?
Fly from Boston Logan Intl to Key West for the best United States - Florida Keys flight prices
How far in advance should I book a flight to Florida Keys?
You are more likely to see cheaper flights to Florida Keys from United States when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $239 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from United States for as low as $182 on momondo.
What cabin class options are available on United States to Florida Keys flights?
There are 4 cabin classes available to choose from on United States to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United States to Florida Keys?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from United States to Florida Keys
What airlines fly to Florida Keys?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Florida Keys from United States according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 5 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Florida Keys on average per day?
410 flights are operational daily from United States to Florida Keys as of June 2025. The most popular departure time for this route is 3:00PM, with 65% of flights per day taking off in the afternoon.
How many flights depart from United States to Florida Keys on average per week?
2,873 flights are operational weekly from United States to Florida Keys as of June 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.
Cheap United States to Florida Keys flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Florida Keys
Best Price Found | $38 |
|---|---|
Fastest flight time | 1h 53m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Florida Keys | 1 airport |
When did momondo last update prices for flights from United States to Florida Keys?
Prices for flights from United States to Florida Keys were last updated today.
How many operators does momondo search for flights from United States to Florida Keys?
There are 9 operators available for flights from United States to Florida Keys as of June 2025.
How old do you have to be to fly from United States to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States 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.
What is the most popular plane model from United States to Florida Keys?
Based on momondo bookings for flights between United States and Florida Keys, the leading plane model is Boeing 787-9 Dreamliner, making up 12.46% of the total bookings. Other popular models include Boeing 777-300ER with 7.78%, Airbus A320neo with 6.91%, and Boeing 777 with 6.89%.
Best airlines flying from United States to Florida Keys
Compare and see reviews for airlines that fly from United States to Florida Keys with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $66 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom $135 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,963 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to Florida Keys?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Florida Keys. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from United States to Florida Keys with flexible booking policies on momondo?
Flights from United States to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from United States to Florida Keys?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Florida Keys from United States.
I’m not ready to book a flight from United States to Florida Keys right now. Can momondo alert me if prices change?
If you are not ready to book a flight from United States to Florida Keys now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florida Keys and let you know when they change.