Cheap flights from the United States to Florida Keys from $54

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 6/16. 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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0 bags

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Find the cheapest flights from the United States to Florida Keys

Recent round-trip flight deals from the United States to Florida Keys

Enter your travel dates to find the best prices.
Frontier Logo
10:02 am - 2:12 pm
DFW
-
MIA
3h 10mnonstop
Frontier Logo
6:50 am - 9:07 am
MIA
-
DFW
3h 17mnonstop
$98Frontier
Tue, Jul 14 - Wed, Jul 22
Frontier Logo
10:02 am - 2:12 pm
DFW
-
MIA
3h 10mnonstop
Frontier Logo
6:50 am - 9:07 am
MIA
-
DFW
3h 17mnonstop
$103Frontier
Wed, Jul 15 - Wed, Jul 22
Southwest Logo
12:55 pm - 8:10 pm
DCA
-
MIA
7h 15m
1 stop
Southwest Logo
7:10 am - 12:35 pm
MIA
-
DCA
5h 25m
1 stop
$171Southwest
Tue, Aug 11 - Tue, Aug 18
Southwest Logo
7:25 pm - 10:55 pm
HOU
-
MIA
2h 30mnonstop
Southwest Logo
6:45 am - 8:20 am
MIA
-
HOU
2h 35mnonstop
$171Southwest
Tue, Jul 28 - Wed, Aug 5
American Airlines Logo
9:30 am - 12:20 pm
DCA
-
MIA
2h 50mnonstop
American Airlines Logo
8:54 pm - 11:41 pm
MIA
-
DCA
2h 47mnonstop
$177American Airlines
Sat, Aug 15 - Thu, Aug 20
American Airlines Logo
5:00 am - 7:40 am
DCA
-
MIA
2h 40mnonstop
American Airlines Logo
3:31 pm - 6:09 pm
MIA
-
DCA
2h 38mnonstop
$178American Airlines
Mon, Sep 21 - Wed, Sep 30
Delta Logo
7:05 am - 10:23 am
JFK
-
MIA
3h 18mnonstop
Delta Logo
7:00 am - 11:59 am
MIA
-
JFK
4h 59m
1 stop
$182Delta
Tue, Aug 11 - Thu, Aug 20
United Airlines Logo
8:29 pm - 11:44 pm
EWR
-
MIA
3h 15mnonstop
United Airlines Logo
7:59 pm - 11:07 pm
MIA
-
EWR
3h 08mnonstop
$184United Airlines
Sat, Aug 22 - Wed, Aug 26
Delta Logo
7:05 am - 10:23 am
JFK
-
MIA
3h 18mnonstop
Delta Logo
7:00 am - 10:01 am
MIA
-
JFK
3h 01mnonstop
$187Delta
Sat, Sep 5 - Sun, Sep 13
United Airlines Logo
3:38 pm - 6:52 pm
EWR
-
MIA
3h 14mnonstop
United Airlines Logo
7:00 am - 9:59 am
MIA
-
EWR
2h 59mnonstop
$187United Airlines
Sun, Sep 6 - Wed, Sep 9

American Airlines flights from United States to Florida Keys

Our best American Airlines deals on United States to Florida Keys flight tickets
American Airlines
Aug 15
DCA9:30 amWashington, D.C. Reagan-National
2h 50m
MIA12:20 pmMiami
Aug 20
MIA8:54 pmMiami
2h 47m
DCA11:41 pmWashington, D.C. Reagan-National
$177
American Airlines
Aug 3
DCA9:55 amWashington, D.C. Reagan-National
2h 43m
MIA12:38 pmMiami
Aug 11
MIA8:00 amMiami
2h 39m
DCA10:39 amWashington, D.C. Reagan-National
$187
American Airlines
Sep 6
JFK7:30 amNew York John F Kennedy Intl
3h 12m
MIA10:42 amMiami
Sep 12
MIA10:24 amMiami
3h 01m
JFK1:25 pmNew York John F Kennedy Intl
$188

Delta flights from United States to Florida Keys

Our best Delta deals on United States to Florida Keys flight tickets
Delta
Aug 14
ATL11:05 pmAtlanta Hartsfield-Jackson
2h 02m
MIA1:07 amMiami
Aug 18
MIA12:05 pmMiami
2h 10m
ATL2:15 pmAtlanta Hartsfield-Jackson
$159
Delta
Aug 11
JFK7:05 amNew York John F Kennedy Intl
3h 18m
MIA10:23 amMiami
Aug 20
MIA7:00 amMiami
4h 59m
1 stop
JFK11:59 amNew York John F Kennedy Intl
$182
Delta
Sep 5
JFK3:10 pmNew York John F Kennedy Intl
3h 43m
MIA6:53 pmMiami
Sep 11
MIA7:30 pmMiami
3h 17m
JFK10:47 pmNew York John F Kennedy Intl
$187

momondo Fare Finder

 
Customize your flight search to find flights from United States to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 3, 2026.
Use the filters below to find and compare flights from the United States to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Tue 7/14

10:02 am-2:12 pm

Nonstop3h 10m

Miami

Wed 7/22

6:50 am-9:07 am

Nonstop3h 17m

$98

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Wed 7/15

10:02 am-2:12 pm

Nonstop3h 10m

Miami

Wed 7/22

6:50 am-9:07 am

Nonstop3h 17m

$103

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 8/11

12:55 pm-8:10 pm

1 stop7h 15m

Miami

Tue 8/18

7:10 am-12:35 pm

1 stop5h 25m

$171
Quickest round-trip

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 7/28

7:25 pm-10:55 pm

Nonstop2h 30m

Miami

Wed 8/5

6:45 am-8:20 am

Nonstop2h 35m

$171

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 8/15

9:30 am-12:20 pm

Nonstop2h 50m

Miami

Thu 8/20

8:54 pm-11:41 pm

Nonstop2h 47m

$177

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 9/21

5:00 am-7:40 am

Nonstop2h 40m

Miami

Wed 9/30

3:31 pm-6:09 pm

Nonstop2h 38m

$178

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 8/11

7:05 am-10:23 am

Nonstop3h 18m

Miami

Thu 8/20

7:00 am-11:59 am

1 stop4h 59m

$182

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sat 8/22

8:29 pm-11:44 pm

Nonstop3h 15m

Miami

Wed 8/26

7:59 pm-11:07 pm

Nonstop3h 08m

$184

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Sat 9/5

7:05 am-10:23 am

Nonstop3h 18m

Miami

Sun 9/13

7:00 am-10:01 am

Nonstop3h 01m

$187

NewarkMiami

EWR - MIA

EWRMIA

Newark

Sun 9/6

3:38 pm-6:52 pm

Nonstop3h 14m

Miami

Wed 9/9

7:00 am-9:59 am

Nonstop2h 59m

$187

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

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 October is another great option to travel to Florida Keys, with average flight prices from United States averaging around $268.

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 Wednesday when prices can be found for as low as $548. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $618.

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 $480. 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 $590.

What is the cheapest United States to Florida Keys flight route?

Fly from Newark 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 weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $232 when searching 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.

Can stopping save me money on United States to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between United States to Florida Keys.

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

Fastest flight time

0h 49m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from United States to Florida Keys takes 0h 49m
Direct flights go from United States to Florida Keys every day.
There are 3 airports in Florida Keys. From United States there are direct flights to Miami (MIA).

Frequently asked questions about flying from the United States to Florida Keys

  • 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?

  • 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?

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
DeltaPriceFrom $98Free CancellationRating
7.9
8,397 reviews
Search Delta flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
9,779 reviews
Search United Airlines flights
JetBluePriceFrom $210Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
American AirlinesPriceFrom $224Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights

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.

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1 adult
Fri 7/3
Fri 7/10

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Popular flights according to clicks in the last 7 days on momondo