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.

Find Cheap Flights to Florida Keys in 2026

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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

Multiple Airlines

Apr 15

PHL

3h 03m

MIA

Apr 20

MIA

2h 42m

PHL

$84

Frontier

Apr 26

PHL

3h 03m

MIA

Apr 28

MIA

3h 04m

PHL

$85

Frontier

Apr 24

PHL

2h 58m

MIA

Apr 28

MIA

3h 04m

PHL

$86

Frontier

Aug 10

PHL

3h 01m

MIA

Aug 12

MIA

2h 53m

PHL

$87

Multiple Airlines

May 15

PHL

2h 46m

MIA

May 19

MIA

3h 07m

PHL

$88

Multiple Airlines

Apr 19

PHL

3h 13m

MIA

Apr 25

MIA

2h 45m

PHL

$89

Frontier

Apr 26

PHL

3h 03m

MIA

Apr 28

MIA

3h 04m

PHL

$90

Frontier

Apr 4

PHL

3h 02m

MIA

Apr 9

MIA

2h 57m

PHL

$91

Frontier

Apr 6

PHL

3h 10m

MIA

Apr 9

MIA

3h 05m

PHL

$92

Spirit Airlines

Apr 7

BOS

3h 33m

MIA

Apr 9

MIA

3h 16m

BOS

$93

Multiple Airlines

Apr 12

LGA

3h 16m

MIA

Apr 16

MIA

2h 55m

LGA

$93

Multiple Airlines

Apr 12

PHL

3h 07m

MIA

Apr 17

MIA

2h 42m

PHL

$93

Flights to Key West

Search all flight deals to Key West

Breeze Airways

Apr 26

MCO

1h 16m

EYW

Apr 30

EYW

1h 20m

MCO

$94

Breeze Airways

Apr 5

MCO

1h 16m

EYW

Apr 9

EYW

1h 20m

MCO

$95

Breeze Airways

Apr 12

MCO

1h 16m

EYW

Apr 16

EYW

1h 20m

MCO

$96

Breeze Airways

May 3

MCO

1h 16m

EYW

May 10

EYW

1h 16m

MCO

$97

Breeze Airways

Apr 5

MCO

1h 16m

EYW

Apr 10

EYW

1h 20m

MCO

$98

Breeze Airways

May 18

MCO

1h 15m

EYW

May 21

EYW

1h 16m

MCO

$103

Breeze Airways

Apr 20

MCO

1h 16m

EYW

Apr 24

EYW

1h 20m

MCO

$104

Breeze Airways

Apr 5

MCO

1h 16m

EYW

Apr 9

EYW

1h 20m

MCO

$105

Breeze Airways

Apr 20

MCO

1h 16m

EYW

Apr 24

EYW

1h 20m

MCO

$108

Breeze Airways

May 10

MCO

1h 15m

EYW

May 28

EYW

1h 16m

MCO

$109

Breeze Airways

Apr 9

MCO

1h 16m

EYW

Apr 15

EYW

1h 20m

MCO

$111

Breeze Airways

Jul 20

MCO

1h 15m

EYW

Jul 23

EYW

1h 16m

MCO

$113

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.

6:05 am - 9:08 am

PHL

MIA

3h 03mnonstop

8:12 am - 10:54 am

MIA

PHL

2h 42mnonstop

$84Multiple Airlines

Wed, Apr 15 - Mon, Apr 20

4:52 pm - 7:55 pm

PHL

MIA

3h 03mnonstop

10:58 am - 2:02 pm

MIA

PHL

3h 04mnonstop

$85Frontier

Sun, Apr 26 - Tue, Apr 28

9:41 pm - 12:39 am

PHL

MIA

2h 58mnonstop

10:58 am - 2:02 pm

MIA

PHL

3h 04mnonstop

$86Frontier

Fri, Apr 24 - Tue, Apr 28

5:32 pm - 8:33 pm

PHL

MIA

3h 01mnonstop

9:38 pm - 12:31 am

MIA

PHL

2h 53mnonstop

$87Frontier

Mon, Aug 10 - Wed, Aug 12

2:20 pm - 5:06 pm

PHL

MIA

2h 46mnonstop

9:38 pm - 12:45 am

MIA

PHL

3h 07mnonstop

$88Multiple Airlines

Fri, May 15 - Tue, May 19

8:30 am - 11:43 am

PHL

MIA

3h 13mnonstop

2:01 pm - 4:46 pm

MIA

PHL

2h 45mnonstop

$89Multiple Airlines

Sun, Apr 19 - Sat, Apr 25

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

$93Spirit Airlines

Tue, Apr 7 - Thu, Apr 9

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

$97Spirit Airlines

Mon, Apr 6 - Thu, Apr 9

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:10 am - 1:49 pm

MIA

DCA

2h 39mnonstop

$177Delta

Sat, May 2 - Sat, May 9

4:59 pm - 7:57 pm

DCA

MIA

2h 58mnonstop

8:20 am - 10:59 am

MIA

DCA

2h 39mnonstop

$179American Airlines

Sat, May 2 - Sat, May 9

Fly from

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 4/15

6:05 am-9:08 am

Nonstop3h 03m

Miami

Mon 4/20

8:12 am-10:54 am

Nonstop2h 42m

$84

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 4/26

4:52 pm-7:55 pm

Nonstop3h 03m

Miami

Tue 4/28

10:58 am-2:02 pm

Nonstop3h 04m

$85

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 4/24

9:41 pm-12:39 am

Nonstop2h 58m

Miami

Tue 4/28

10:58 am-2:02 pm

Nonstop3h 04m

$86

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 8/10

5:32 pm-8:33 pm

Nonstop3h 01m

Miami

Wed 8/12

9:38 pm-12:31 am

Nonstop2h 53m

$87

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 5/15

2:20 pm-5:06 pm

Nonstop2h 46m

Miami

Tue 5/19

9:38 pm-12:45 am

Nonstop3h 07m

$88

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 4/19

8:30 am-11:43 am

Nonstop3h 13m

Miami

Sat 4/25

2:01 pm-4:46 pm

Nonstop2h 45m

$89

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 4/7

6:01 am-9:34 am

Nonstop3h 33m

Miami

Thu 4/9

10:39 am-1:55 pm

Nonstop3h 16m

$93

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 4/6

6:01 am-9:34 am

Nonstop3h 33m

Miami

Thu 4/9

10:39 am-1:55 pm

Nonstop3h 16m

$97

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

Sat 5/9

11:10 am-1:49 pm

Nonstop2h 39m

$177

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 5/2

4:59 pm-7:57 pm

Nonstop2h 58m

Miami

Sat 5/9

8:20 am-10:59 am

Nonstop2h 39m

$179

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	$43
Best Round-Trip Price	$84
Fastest flight time	2h 55m
Popular in	April

The best one-way flight price to Florida Keys from United States in the last 72 hours is $43 (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 $84 (Philadelphia to Miami).

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The fastest flight to Florida Keys from United States takes 2h 55m (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.