How long is the flight from United States to Florida Keys?

On average, it takes 10h 55m to fly from United States to Florida Keys if you fly out of Los Angeles (the most popular airport in United States) and into Kastrup Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Miami and into Kastrup Copenhagen, then the flight time is around 9h 05m.

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Recent flights found to popular cities in Florida Keys

Find flights to these popular cities in Florida Keys from your nearest airport.

Flights to Miami

Search all flight deals to Miami

Frontier

Apr 29

PHL

3h 03m

MIA

May 2

MIA

3h 04m

PHL

$74

Frontier

Mar 10

JFK

3h 19m

MIA

Mar 14

MIA

3h 07m

JFK

$75

Multiple Airlines

Mar 10

LGA

3h 14m

MIA

Mar 13

MIA

2h 54m

LGA

$75

Frontier

Apr 14

PHL

3h 03m

MIA

Apr 15

MIA

3h 04m

PHL

$75

Multiple Airlines

Mar 8

LGA

3h 14m

MIA

Mar 12

MIA

2h 54m

LGA

$76

Frontier

Apr 19

PHL

3h 13m

MIA

Apr 21

MIA

3h 04m

PHL

$76

Frontier

Mar 17

JFK

3h 19m

MIA

Mar 20

MIA

3h 07m

JFK

$77

Frontier

Mar 24

LGA

3h 14m

MIA

Mar 31

MIA

3h 11m

LGA

$77

Frontier

Jun 2

PHL

2h 56m

MIA

Jun 5

MIA

3h 03m

PHL

$77

Frontier

Mar 17

JFK

3h 19m

MIA

Mar 18

MIA

3h 07m

JFK

$78

Frontier

Mar 17

LGA

3h 14m

MIA

Mar 20

MIA

3h 11m

LGA

$78

Frontier

Mar 22

PHL

2h 58m

MIA

Mar 28

MIA

2h 55m

PHL

$78

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Apr 20

ATL

6h 26m

1 stop

EYW

Apr 22

EYW

9h 44m

1 stop

ATL

$166

Multiple Airlines

Mar 30

ATL

6h 26m

1 stop

EYW

Apr 30

EYW

7h 02m

1 stop

ATL

$167

Multiple Airlines

Apr 21

ATL

12h 26m

1 stop

EYW

Apr 24

EYW

10h 38m

1 stop

ATL

$169

Multiple Airlines

Mar 25

ATL

10h 21m

1 stop

EYW

Apr 1

EYW

9h 44m

1 stop

ATL

$171

Multiple Airlines

Mar 9

ATL

6h 26m

1 stop

EYW

Mar 12

EYW

11h 49m

1 stop

ATL

$174

Multiple Airlines

Apr 25

BWI

19h 20m

1 stop

EYW

Apr 30

EYW

10h 35m

1 stop

BWI

$176

Multiple Airlines

Apr 2

ATL

3h 51m

1 stop

EYW

Apr 8

EYW

11h 49m

1 stop

ATL

$176

Multiple Airlines

Apr 18

ATL

10h 21m

1 stop

EYW

Apr 21

EYW

8h 45m

1 stop

ATL

$178

Multiple Airlines

Mar 30

ATL

6h 26m

1 stop

EYW

Apr 3

EYW

12h 01m

1 stop

ATL

$181

Multiple Airlines

Mar 12

ATL

7h 18m

1 stop

EYW

Mar 15

EYW

25h 36m

1 stop

ATL

$182

Multiple Airlines

Apr 13

ATL

6h 26m

1 stop

EYW

Apr 16

EYW

5h 24m

1 stop

ATL

$184

Multiple Airlines

May 3

BWI

15h 16m

1 stop

EYW

May 7

EYW

8h 43m

1 stop

BWI

$185

Find the cheapest flights from the United States to Florida Keys

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

6:50 am - 9:53 am

PHL

MIA

3h 03mnonstop

10:13 am - 1:17 pm

MIA

PHL

3h 04mnonstop

$74Frontier

Wed, Apr 29 - Sat, May 2

11:02 am - 2:21 pm

JFK

MIA

3h 19mnonstop

7:00 am - 10:07 am

MIA

JFK

3h 07mnonstop

$75Frontier

Tue, Mar 10 - Sat, Mar 14

3:54 pm - 7:32 pm

BOS

MIA

3h 38mnonstop

8:37 pm - 11:59 pm

MIA

BOS

3h 22mnonstop

$81Spirit Airlines

Sun, Mar 8 - Wed, Mar 11

8:30 pm - 11:39 pm

LGA

MIA

3h 09mnonstop

4:05 pm - 7:00 pm

MIA

LGA

2h 55mnonstop

$81Spirit Airlines

Tue, Mar 24 - Wed, Mar 25

8:09 pm - 11:01 pm

DCA

MIA

2h 52mnonstop

6:21 am - 9:00 am

MIA

DCA

2h 39mnonstop

$136American Airlines

Sat, Apr 25 - Tue, Apr 28

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$137Delta

Sat, Apr 18 - Fri, Apr 24

7:00 am - 9:45 am

DCA

MIA

2h 45mnonstop

8:45 pm - 11:28 pm

MIA

DCA

2h 43mnonstop

$138American Airlines

Wed, Apr 8 - Wed, Apr 15

1:45 pm - 4:37 pm

DCA

MIA

2h 52mnonstop

11:20 am - 2:00 pm

MIA

DCA

2h 40mnonstop

$147Delta

Wed, Mar 11 - Wed, Mar 18

6:00 am - 12:40 pm

DCA

MIA

6h 40m

1 stop

6:40 am - 2:20 pm

MIA

DCA

7h 40m

1 stop

$152Southwest

Tue, Apr 14 - Tue, Apr 21

8:00 am - 2:05 pm

DCA

MIA

6h 05m

1 stop

12:10 pm - 6:20 pm

MIA

DCA

6h 10m

1 stop

$154Southwest

Sat, Apr 4 - Wed, Apr 8

Fly from

Route

Depart

Return

Price

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 4/29

6:50 am-9:53 am

Nonstop3h 03m

Miami

Sat 5/2

10:13 am-1:17 pm

Nonstop3h 04m

$74

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 3/10

11:02 am-2:21 pm

Nonstop3h 19m

Miami

Sat 3/14

7:00 am-10:07 am

Nonstop3h 07m

$75

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sun 3/8

3:54 pm-7:32 pm

Nonstop3h 38m

Miami

Wed 3/11

8:37 pm-11:59 pm

Nonstop3h 22m

$81

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Tue 3/24

8:30 pm-11:39 pm

Nonstop3h 09m

Miami

Wed 3/25

4:05 pm-7:00 pm

Nonstop2h 55m

$81

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/25

8:09 pm-11:01 pm

Nonstop2h 52m

Miami

Tue 4/28

6:21 am-9:00 am

Nonstop2h 39m

$136

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/18

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Fri 4/24

11:22 am-2:03 pm

Nonstop2h 41m

$137

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/8

7:00 am-9:45 am

Nonstop2h 45m

Miami

Wed 4/15

8:45 pm-11:28 pm

Nonstop2h 43m

$138

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 3/11

1:45 pm-4:37 pm

Nonstop2h 52m

Miami

Wed 3/18

11:20 am-2:00 pm

Nonstop2h 40m

$147

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-12:40 pm

1 stop6h 40m

Miami

Tue 4/21

6:40 am-2:20 pm

1 stop7h 40m

$152

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/4

8:00 am-2:05 pm

1 stop6h 05m

Miami

Wed 4/8

12:10 pm-6:20 pm

1 stop6h 10m

$154

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Florida Keys flights insights and trends

Explore insights for your Florida Keys flight to craft the best travel plan

Prices

Airlines

Other information

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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 $524. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $566.

Cheapest flights to cities in Florida Keys

Click on the cities below to find out when it's cheapest to fly to Florida Keys from United States

Miami

Find flights to Miami

Cheap Florida Keys flight deals and tips

Summary info about Florida Keys flight prices, duration and airlines

Best One-Way Price	$37
Best Round-Trip Price	$74
Fastest flight time	2h 53m
Popular in	December

The best one-way flight price to Florida Keys from United States in the last 72 hours is $37 (Philadelphia to Miami).

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The best round-trip flight price to Florida Keys from United States in the last 72 hours is $74 (Philadelphia to Miami).

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The fastest flight to Florida Keys from United States takes 2h 53m (Baltimore/Washington to Miami).

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December has the highest demand for flights to Florida Keys, with a 0% price increase on average.

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Frequently asked questions about flying to Florida Keys

What airlines fly to Florida Keys?

Of the 6 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 60% 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 Tuesday 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 February 2026, there are 10 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.