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

On average, it takes 11h 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 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

Frontier

Apr 13

PHL

2h 59m

MIA

Apr 17

MIA

2h 57m

PHL

$85

Frontier

Apr 24

PHL

3h 01m

MIA

Apr 28

MIA

3h 04m

PHL

$86

Spirit Airlines

Apr 7

PHL

2h 54m

MIA

Apr 16

MIA

2h 42m

PHL

$87

Frontier

Apr 8

PHL

3h 15m

MIA

Apr 10

MIA

3h 05m

PHL

$88

Frontier

May 28

PHL

2h 56m

MIA

Jun 1

MIA

3h 07m

PHL

$89

Frontier

May 29

PHL

2h 56m

MIA

Jun 6

MIA

3h 07m

PHL

$90

Frontier

Apr 13

PHL

2h 59m

MIA

Apr 17

MIA

2h 57m

PHL

$91

Frontier

Apr 7

PHL

3h 15m

MIA

Apr 10

MIA

3h 05m

PHL

$92

Multiple Airlines

Apr 10

LGA

3h 16m

MIA

Apr 15

MIA

2h 55m

LGA

$93

Frontier

Apr 30

PHL

3h 07m

MIA

May 9

MIA

3h 07m

PHL

$93

Frontier

Apr 29

PHL

3h 03m

MIA

May 11

MIA

3h 07m

PHL

$94

Multiple Airlines

Apr 11

LGA

3h 22m

MIA

Apr 16

MIA

2h 55m

LGA

$95

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

May 2

BWI

19h 34m

1 stop

EYW

May 7

EYW

19h 18m

1 stop

BWI

$178

Multiple Airlines

Apr 25

BWI

15h 21m

1 stop

EYW

Apr 30

EYW

26h 41m

1 stop

BWI

$192

Multiple Airlines

May 2

BWI

19h 34m

1 stop

EYW

May 7

EYW

19h 18m

1 stop

BWI

$193

Multiple Airlines

Apr 18

BWI

15h 21m

1 stop

EYW

Apr 30

EYW

10h 40m

1 stop

BWI

$198

Multiple Airlines

Apr 25

BWI

15h 21m

1 stop

EYW

Apr 28

EYW

11h 43m

2 stops

BWI

$199

Multiple Airlines

May 2

BWI

19h 26m

2 stops

EYW

May 7

EYW

19h 18m

1 stop

BWI

$200

Multiple Airlines

Apr 15

BWI

25h 06m

1 stop

EYW

Apr 21

EYW

24h 40m

1 stop

BWI

$201

Multiple Airlines

Apr 25

BWI

16h 28m

2 stops

EYW

Apr 30

EYW

26h 41m

1 stop

BWI

$203

Multiple Airlines

Apr 6

BWI

15h 38m

1 stop

EYW

Apr 16

EYW

16h 56m

1 stop

BWI

$204

Multiple Airlines

Apr 11

BWI

12h 27m

1 stop

EYW

Apr 17

EYW

27h 44m

1 stop

BWI

$206

Multiple Airlines

Apr 29

BWI

25h 06m

1 stop

EYW

May 6

EYW

11h 11m

2 stops

BWI

$208

Multiple Airlines

Apr 8

BWI

12h 27m

1 stop

EYW

Apr 16

EYW

7h 58m

1 stop

BWI

$209

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.

9:15 am - 12:14 pm

PHL

MIA

2h 59mnonstop

3:17 pm - 6:14 pm

MIA

PHL

2h 57mnonstop

$85Frontier

Mon, Apr 13 - Fri, Apr 17

7:30 am - 10:31 am

PHL

MIA

3h 01mnonstop

10:58 am - 2:02 pm

MIA

PHL

3h 04mnonstop

$86Frontier

Fri, Apr 24 - Tue, Apr 28

6:00 am - 9:03 am

PHL

MIA

3h 03mnonstop

10:58 am - 2:02 pm

MIA

PHL

3h 04mnonstop

$87Frontier

Thu, Apr 23 - Tue, Apr 28

2:09 pm - 5:24 pm

PHL

MIA

3h 15mnonstop

5:05 am - 8:10 am

MIA

PHL

3h 05mnonstop

$88Frontier

Wed, Apr 8 - Fri, Apr 10

11:59 am - 2:49 pm

PHL

MIA

2h 50mnonstop

2:01 pm - 4:46 pm

MIA

PHL

2h 45mnonstop

$92Spirit Airlines

Fri, May 1 - Sat, May 2

10:55 pm - 2:11 am

LGA

MIA

3h 16mnonstop

4:05 pm - 7:00 pm

MIA

LGA

2h 55mnonstop

$93Multiple Airlines

Fri, Apr 10 - Wed, Apr 15

6:09 pm - 9:31 pm

LGA

MIA

3h 22mnonstop

4:05 pm - 7:00 pm

MIA

LGA

2h 55mnonstop

$95Multiple Airlines

Sat, Apr 11 - Thu, Apr 16

9:59 am - 1:04 pm

LGA

MIA

3h 05mnonstop

4:05 pm - 7:00 pm

MIA

LGA

2h 55mnonstop

$99Spirit Airlines

Sat, May 9 - Wed, May 13

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$159Delta

Wed, Apr 22 - Tue, Apr 28

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$168Delta

Sat, Apr 25 - Wed, May 6

Fly from

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 4/13

9:15 am-12:14 pm

Nonstop2h 59m

Miami

Fri 4/17

3:17 pm-6:14 pm

Nonstop2h 57m

$85

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 4/24

7:30 am-10:31 am

Nonstop3h 01m

Miami

Tue 4/28

10:58 am-2:02 pm

Nonstop3h 04m

$86

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 4/23

6:00 am-9:03 am

Nonstop3h 03m

Miami

Tue 4/28

10:58 am-2:02 pm

Nonstop3h 04m

$87

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 4/8

2:09 pm-5:24 pm

Nonstop3h 15m

Miami

Fri 4/10

5:05 am-8:10 am

Nonstop3h 05m

$88

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Fri 5/1

11:59 am-2:49 pm

Nonstop2h 50m

Miami

Sat 5/2

2:01 pm-4:46 pm

Nonstop2h 45m

$92

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Fri 4/10

10:55 pm-2:11 am

Nonstop3h 16m

Miami

Wed 4/15

4:05 pm-7:00 pm

Nonstop2h 55m

$93

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Sat 4/11

6:09 pm-9:31 pm

Nonstop3h 22m

Miami

Thu 4/16

4:05 pm-7:00 pm

Nonstop2h 55m

$95

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Sat 5/9

9:59 am-1:04 pm

Nonstop3h 05m

Miami

Wed 5/13

4:05 pm-7:00 pm

Nonstop2h 55m

$99

Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/22

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Tue 4/28

11:22 am-2:03 pm

Nonstop2h 41m

$159

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/25

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Wed 5/6

11:22 am-2:03 pm

Nonstop2h 41m

$168

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 $569.

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	$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 $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 $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.