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

Find Cheap Flights to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Jul 14

BWI

2h 52m

MIA

Jul 21

MIA

2h 53m

BWI

$102

Frontier

Jul 21

BWI

2h 52m

MIA

Jul 28

MIA

2h 53m

BWI

$103

Frontier

Aug 10

BWI

2h 52m

MIA

Aug 14

MIA

2h 53m

BWI

$104

Frontier

Sep 25

BWI

2h 47m

MIA

Sep 28

MIA

6h 09m

1 stop

BWI

$106

Frontier

Jul 14

DFW

3h 10m

MIA

Jul 15

MIA

3h 17m

DFW

$107

Frontier

Jul 15

BWI

2h 52m

MIA

Jul 16

MIA

2h 53m

BWI

$107

Frontier

Jul 28

DFW

3h 10m

MIA

Jul 29

MIA

3h 17m

DFW

$108

Frontier

Jul 13

BWI

2h 52m

MIA

Jul 18

MIA

2h 53m

BWI

$108

Frontier

Aug 11

DFW

3h 10m

MIA

Aug 13

MIA

3h 17m

DFW

$109

Frontier

Jul 1

BWI

2h 55m

MIA

Jul 10

MIA

2h 53m

BWI

$109

Frontier

Jul 28

DFW

3h 10m

MIA

Jul 29

MIA

3h 17m

DFW

$110

Frontier

Jun 29

BWI

2h 55m

MIA

Jun 30

MIA

2h 52m

BWI

$110

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Aug 18

ATL

17h 52m

1 stop

EYW

Aug 25

EYW

5h 29m

1 stop

ATL

$160

Multiple Airlines

Sep 15

ATL

23h 30m

1 stop

EYW

Sep 23

EYW

4h 35m

1 stop

ATL

$166

Multiple Airlines

Sep 15

ATL

12h 01m

1 stop

EYW

Sep 19

EYW

4h 35m

1 stop

ATL

$172

Multiple Airlines

Sep 15

ATL

12h 01m

1 stop

EYW

Sep 24

EYW

8h 17m

1 stop

ATL

$175

Multiple Airlines

Aug 29

PHL

24h 42m

1 stop

EYW

Sep 3

EYW

5h 23m

1 stop

PHL

$175

Multiple Airlines

Sep 18

ATL

12h 01m

1 stop

EYW

Sep 25

EYW

19h 50m

1 stop

ATL

$181

Multiple Airlines

Sep 18

ATL

12h 01m

1 stop

EYW

Sep 23

EYW

4h 35m

1 stop

ATL

$182

Multiple Airlines

Jul 14

ATL

15h 28m

1 stop

EYW

Jul 21

EYW

5h 23m

1 stop

ATL

$184

Multiple Airlines

Sep 19

ATL

13h 58m

1 stop

EYW

Sep 25

EYW

19h 50m

1 stop

ATL

$185

Multiple Airlines

Aug 16

PHL

16h 05m

1 stop

EYW

Aug 20

EYW

14h 12m

1 stop

PHL

$185

Multiple Airlines

Sep 19

ATL

13h 58m

1 stop

EYW

Sep 23

EYW

10h 14m

1 stop

ATL

$186

Multiple Airlines

Sep 5

ATL

25h 09m

1 stop

EYW

Sep 10

EYW

8h 17m

1 stop

ATL

$187

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.

7:27 pm - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$102Frontier

Tue, Jul 14 - Tue, Jul 21

7:27 pm - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$103Frontier

Tue, Jul 21 - Tue, Jul 28

8:40 pm - 11:28 pm

DCA

MIA

2h 48mnonstop

12:00 pm - 2:46 pm

MIA

DCA

2h 46mnonstop

$157American Airlines

Tue, Aug 4 - Tue, Aug 11

2:00 pm - 4:47 pm

DCA

MIA

2h 47mnonstop

11:28 am - 6:59 pm

MIA

DCA

7h 31m

1 stop

$167Delta

Tue, Aug 4 - Tue, Aug 11

7:25 pm - 10:55 pm

HOU

MIA

2h 30mnonstop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$169Southwest

Wed, Jul 22 - Tue, Jul 28

5:25 pm - 8:16 pm

DCA

MIA

2h 51mnonstop

6:35 am - 9:05 am

MIA

DCA

2h 30mnonstop

$173American Airlines

Sat, Sep 12 - Tue, Sep 15

4:00 pm - 9:34 pm

DCA

MIA

5h 34m

1 stop

2:08 pm - 8:33 pm

MIA

DCA

6h 25m

1 stop

$177Delta

Tue, Aug 4 - Tue, Aug 11

9:15 am - 3:50 pm

HOU

MIA

5h 35m

1 stop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$179Southwest

Tue, Jul 28 - Wed, Jul 29

5:55 am - 2:46 pm

ORD

MIA

7h 51m

1 stop

12:17 pm - 2:48 pm

MIA

ORD

3h 31mnonstop

$193United Airlines

Wed, Sep 16 - Tue, Sep 22

8:45 am - 11:35 am

IAD

MIA

2h 50mnonstop

8:45 am - 4:35 pm

MIA

IAD

7h 50m

1 stop

$194United Airlines

Tue, Aug 4 - Tue, Aug 11

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Tue 7/14

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Tue 7/21

3:39 pm-6:32 pm

Nonstop2h 53m

$102

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Tue 7/21

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Tue 7/28

3:39 pm-6:32 pm

Nonstop2h 53m

$103

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 8/4

8:40 pm-11:28 pm

Nonstop2h 48m

Miami

Tue 8/11

12:00 pm-2:46 pm

Nonstop2h 46m

$157

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 8/4

2:00 pm-4:47 pm

Nonstop2h 47m

Miami

Tue 8/11

11:28 am-6:59 pm

1 stop7h 31m

$167

Quickest round-trip

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 7/22

7:25 pm-10:55 pm

Nonstop2h 30m

Miami

Tue 7/28

5:45 am-7:20 am

Nonstop2h 35m

$169

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 9/12

5:25 pm-8:16 pm

Nonstop2h 51m

Miami

Tue 9/15

6:35 am-9:05 am

Nonstop2h 30m

$173

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 8/4

4:00 pm-9:34 pm

1 stop5h 34m

Miami

Tue 8/11

2:08 pm-8:33 pm

1 stop6h 25m

$177

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 7/28

9:15 am-3:50 pm

1 stop5h 35m

Miami

Wed 7/29

5:45 am-7:20 am

Nonstop2h 35m

$179

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

Wed 9/16

5:55 am-2:46 pm

1 stop7h 51m

Miami

Tue 9/22

12:17 pm-2:48 pm

Nonstop3h 31m

$193

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Tue 8/4

8:45 am-11:35 am

Nonstop2h 50m

Miami

Tue 8/11

8:45 am-4:35 pm

1 stop7h 50m

$194

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 Wednesday when prices can be found for as low as $553. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $631.

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	$42
Best Round-Trip Price	$102
Fastest flight time	2h 25m
Popular in	December

The best one-way flight price to Florida Keys from United States in the last 5 days is $42 (Baltimore/Washington to Miami).

Search Deals

The best round-trip flight price to Florida Keys from United States in the last 5 days is $102 (Baltimore/Washington to Miami).

Search Deals

The fastest flight to Florida Keys from United States takes 2h 25m (Houston Hobby to Miami).

Search Deals

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

Search Deals

Frequently asked questions about flying to Florida Keys

What airlines fly to Florida Keys?

Of the 5 airlines that fly to Florida Keys, American Airlines, Delta and Allegiant Air happen to be the most favored based on our user data. American Airlines is the most popular among the three airlines, with 58% 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 Wednesday 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 June 2026, there are 7 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.