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 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 San Francisco and into Kastrup Copenhagen, then the flight time is around 10h 15m.

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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 6

PHL

3h 10m

MIA

Apr 9

MIA

3h 05m

PHL

$86

Frontier

Apr 6

PHL

3h 10m

MIA

Apr 16

MIA

3h 02m

PHL

$87

Frontier

Apr 6

PHL

3h 10m

MIA

Apr 8

MIA

3h 04m

PHL

$88

Frontier

Apr 21

PHL

3h 03m

MIA

Apr 29

MIA

3h 04m

PHL

$89

Spirit Airlines

Apr 13

BOS

3h 33m

MIA

Apr 14

MIA

3h 16m

BOS

$90

Frontier

Apr 28

PHL

3h 03m

MIA

May 2

MIA

3h 04m

PHL

$90

Spirit Airlines

Apr 20

LGA

3h 05m

MIA

Apr 22

MIA

2h 55m

LGA

$91

Spirit Airlines

May 15

PHL

2h 46m

MIA

May 18

MIA

2h 45m

PHL

$91

Frontier

May 2

PHL

3h 03m

MIA

May 9

MIA

3h 07m

PHL

$92

Spirit Airlines

Apr 5

BOS

3h 33m

MIA

Apr 9

MIA

3h 16m

BOS

$93

Multiple Airlines

Apr 13

PHL

3h 03m

MIA

Apr 17

MIA

2h 42m

PHL

$93

Multiple Airlines

Apr 13

LGA

3h 16m

MIA

Apr 15

MIA

2h 55m

LGA

$94

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Apr 11

ATL

11h 31m

1 stop

EYW

Apr 17

EYW

21h 01m

1 stop

ATL

$147

Multiple Airlines

Apr 18

ATL

11h 31m

1 stop

EYW

Apr 21

EYW

8h 45m

1 stop

ATL

$152

Multiple Airlines

Apr 9

ATL

4h 01m

1 stop

EYW

Apr 16

EYW

5h 24m

1 stop

ATL

$155

Multiple Airlines

Apr 14

ATL

12h 26m

1 stop

EYW

Apr 21

EYW

8h 45m

1 stop

ATL

$158

Multiple Airlines

Mar 30

ATL

6h 26m

1 stop

EYW

Apr 3

EYW

21h 30m

1 stop

ATL

$160

Multiple Airlines

Apr 14

ATL

12h 26m

1 stop

EYW

Apr 21

EYW

8h 45m

1 stop

ATL

$161

Multiple Airlines

May 11

ATL

21h 59m

1 stop

EYW

May 14

EYW

7h 51m

1 stop

ATL

$162

Multiple Airlines

Apr 13

ATL

13h 31m

1 stop

EYW

Apr 17

EYW

11h 57m

1 stop

ATL

$163

Multiple Airlines

Apr 18

ATL

10h 21m

1 stop

EYW

Apr 21

EYW

21h 37m

1 stop

ATL

$164

Multiple Airlines

Mar 31

ATL

3h 52m

1 stop

EYW

Apr 3

EYW

21h 30m

1 stop

ATL

$166

Multiple Airlines

Apr 13

ATL

6h 26m

1 stop

EYW

Apr 17

EYW

21h 01m

1 stop

ATL

$169

Multiple Airlines

Mar 30

ATL

6h 26m

1 stop

EYW

Apr 1

EYW

19h 11m

1 stop

ATL

$171

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.

5:32 pm - 8:28 pm

PHL

MIA

2h 56mnonstop

9:38 pm - 12:45 am

MIA

PHL

3h 07mnonstop

$85Frontier

Sun, May 10 - Wed, May 13

7:41 pm - 10:51 pm

PHL

MIA

3h 10mnonstop

5:01 am - 8:06 am

MIA

PHL

3h 05mnonstop

$86Frontier

Mon, Apr 6 - Thu, Apr 9

5:32 pm - 8:28 pm

PHL

MIA

2h 56mnonstop

9:38 pm - 12:45 am

MIA

PHL

3h 07mnonstop

$87Frontier

Thu, May 14 - Mon, May 18

7:41 pm - 10:51 pm

PHL

MIA

3h 10mnonstop

10:00 am - 1:04 pm

MIA

PHL

3h 04mnonstop

$88Frontier

Mon, Apr 6 - Wed, Apr 8

2:20 pm - 5:06 pm

PHL

MIA

2h 46mnonstop

7:36 am - 10:21 am

MIA

PHL

2h 45mnonstop

$91Spirit Airlines

Fri, May 15 - Mon, May 18

9:59 am - 1:04 pm

LGA

MIA

3h 05mnonstop

4:05 pm - 7:00 pm

MIA

LGA

2h 55mnonstop

$91Spirit Airlines

Mon, Apr 20 - Wed, Apr 22

10:00 am - 12:51 pm

DCA

MIA

2h 51mnonstop

4:31 pm - 7:14 pm

MIA

DCA

2h 43mnonstop

$176American Airlines

Wed, Apr 29 - Wed, May 6

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$177Delta

Sat, May 2 - Wed, May 6

11:35 am - 8:40 pm

DCA

MIA

9h 05m

2 stops

12:10 pm - 6:20 pm

MIA

DCA

6h 10m

1 stop

$182Southwest

Tue, Apr 7 - Wed, Apr 8

12:40 pm - 8:40 pm

DCA

MIA

8h 00m

1 stop

7:00 am - 3:55 pm

MIA

DCA

8h 55m

1 stop

$187Southwest

Wed, Apr 22 - Sat, May 9

Fly from

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 5/10

5:32 pm-8:28 pm

Nonstop2h 56m

Miami

Wed 5/13

9:38 pm-12:45 am

Nonstop3h 07m

$85

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 4/6

7:41 pm-10:51 pm

Nonstop3h 10m

Miami

Thu 4/9

5:01 am-8:06 am

Nonstop3h 05m

$86

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 5/14

5:32 pm-8:28 pm

Nonstop2h 56m

Miami

Mon 5/18

9:38 pm-12:45 am

Nonstop3h 07m

$87

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 4/6

7:41 pm-10:51 pm

Nonstop3h 10m

Miami

Wed 4/8

10:00 am-1:04 pm

Nonstop3h 04m

$88

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 5/15

2:20 pm-5:06 pm

Nonstop2h 46m

Miami

Mon 5/18

7:36 am-10:21 am

Nonstop2h 45m

$91

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Mon 4/20

9:59 am-1:04 pm

Nonstop3h 05m

Miami

Wed 4/22

4:05 pm-7:00 pm

Nonstop2h 55m

$91

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/29

10:00 am-12:51 pm

Nonstop2h 51m

Miami

Wed 5/6

4:31 pm-7:14 pm

Nonstop2h 43m

$176

Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 5/2

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Wed 5/6

11:22 am-2:03 pm

Nonstop2h 41m

$177

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 4/7

11:35 am-8:40 pm

2 stops9h 05m

Miami

Wed 4/8

12:10 pm-6:20 pm

1 stop6h 10m

$182

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/22

12:40 pm-8:40 pm

1 stop8h 00m

Miami

Sat 5/9

7:00 am-3:55 pm

1 stop8h 55m

$187

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

See prices from:

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 $523. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $565.

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	$39
Best Round-Trip Price	$85
Fastest flight time	2h 45m
Popular in	April

The best one-way flight price to Florida Keys from United States in the last 72 hours is $39 (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 $85 (Philadelphia to Miami).

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The fastest flight to Florida Keys from United States takes 2h 45m (Baltimore/Washington to Miami).

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April has the highest demand for flights to Florida Keys, with a 9% 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 March 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.