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

Aug 28

ATL

2h 04m

MIA

Aug 31

MIA

2h 20m

ATL

$95

Frontier

Jul 15

ATL

2h 04m

MIA

Jul 22

MIA

2h 12m

ATL

$96

Frontier

Jul 11

ATL

2h 06m

MIA

Jul 18

MIA

2h 20m

ATL

$97

Frontier

Jul 11

ATL

2h 09m

MIA

Jul 18

MIA

2h 32m

ATL

$98

Frontier

Jul 18

ATL

2h 09m

MIA

Jul 21

MIA

2h 12m

ATL

$99

Frontier

Sep 3

ATL

2h 10m

MIA

Sep 26

MIA

2h 13m

ATL

$102

Frontier

Aug 20

ATL

2h 04m

MIA

Sep 4

MIA

2h 32m

ATL

$103

Frontier

Sep 19

ATL

1h 59m

MIA

Sep 27

MIA

2h 16m

ATL

$104

Frontier

Jul 16

ATL

2h 04m

MIA

Jul 19

MIA

2h 20m

ATL

$105

Frontier

Jul 23

ATL

2h 10m

MIA

Jul 28

MIA

2h 32m

ATL

$108

Frontier

Jul 28

BWI

2h 52m

MIA

Jul 29

MIA

2h 53m

BWI

$108

Frontier

Jul 18

ATL

2h 10m

MIA

Jul 20

MIA

2h 20m

ATL

$109

Flights to Key West

Search all flight deals to Key West

Breeze Airways

Aug 24

MCO

1h 15m

EYW

Aug 27

EYW

1h 16m

MCO

$97

Breeze Airways

Aug 23

MCO

1h 15m

EYW

Aug 27

EYW

1h 16m

MCO

$98

Breeze Airways

Aug 23

MCO

1h 15m

EYW

Aug 27

EYW

1h 16m

MCO

$101

Breeze Airways

Aug 23

MCO

1h 15m

EYW

Aug 27

EYW

1h 16m

MCO

$102

Breeze Airways

Aug 24

MCO

1h 15m

EYW

Aug 31

EYW

1h 15m

MCO

$103

Breeze Airways

Dec 7

MCO

1h 23m

EYW

Dec 8

EYW

1h 18m

MCO

$104

Breeze Airways

Jul 31

MCO

1h 15m

EYW

Aug 6

EYW

1h 16m

MCO

$107

Breeze Airways

Aug 7

MCO

1h 15m

EYW

Aug 13

EYW

1h 16m

MCO

$108

Breeze Airways

Oct 5

MCO

1h 23m

EYW

Oct 8

EYW

1h 18m

MCO

$109

Breeze Airways

Oct 26

MCO

1h 23m

EYW

Oct 29

EYW

1h 18m

MCO

$110

Breeze Airways

Jul 13

MCO

1h 15m

EYW

Jul 17

EYW

1h 15m

MCO

$112

Breeze Airways

Jul 13

MCO

1h 15m

EYW

Jul 17

EYW

1h 15m

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.

2:17 pm - 4:21 pm

ATL

MIA

2h 04mnonstop

8:10 am - 10:30 am

MIA

ATL

2h 20mnonstop

$95Frontier

Fri, Aug 28 - Mon, Aug 31

2:29 pm - 4:33 pm

ATL

MIA

2h 04mnonstop

11:19 am - 1:31 pm

MIA

ATL

2h 12mnonstop

$96Frontier

Wed, Jul 15 - Wed, Jul 22

11:47 am - 1:53 pm

ATL

MIA

2h 06mnonstop

8:30 am - 10:50 am

MIA

ATL

2h 20mnonstop

$97Frontier

Sat, Jul 11 - Sat, Jul 18

6:25 pm - 9:50 pm

HOU

MIA

2h 25mnonstop

6:45 am - 8:20 am

MIA

HOU

2h 35mnonstop

$169Southwest

Wed, Aug 12 - Wed, Aug 19

7:25 pm - 10:55 pm

HOU

MIA

2h 30mnonstop

5:45 am - 7:20 am

MIA

HOU

2h 35mnonstop

$177Southwest

Tue, Jul 21 - Thu, Aug 6

6:00 pm - 9:39 pm

LGA

MIA

3h 39mnonstop

7:15 am - 10:10 am

MIA

LGA

2h 55mnonstop

$197Delta

Sat, Aug 22 - Thu, Aug 27

8:40 pm - 11:28 pm

DCA

MIA

2h 48mnonstop

8:30 pm - 11:09 pm

MIA

DCA

2h 39mnonstop

$199American Airlines

Sat, Jul 25 - Mon, Jul 27

11:05 am - 2:26 pm

JFK

MIA

3h 21mnonstop

7:44 pm - 10:59 pm

MIA

JFK

3h 15mnonstop

$199Delta

Wed, Sep 16 - Mon, Sep 21

8:40 pm - 11:28 pm

DCA

MIA

2h 48mnonstop

10:10 pm - 12:49 am

MIA

DCA

2h 39mnonstop

$200American Airlines

Sat, Aug 1 - Mon, Aug 3

8:04 pm - 11:22 pm

EWR

MIA

3h 18mnonstop

7:07 am - 10:11 am

MIA

EWR

3h 04mnonstop

$227United Airlines

Wed, Jul 29 - Sun, Aug 9

Fly from

Route

Depart

Return

Price

Cheapest round-trip

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Fri 8/28

2:17 pm-4:21 pm

Nonstop2h 04m

Miami

Mon 8/31

8:10 am-10:30 am

Nonstop2h 20m

$95

Quickest round-trip

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Wed 7/15

2:29 pm-4:33 pm

Nonstop2h 04m

Miami

Wed 7/22

11:19 am-1:31 pm

Nonstop2h 12m

$96

AtlantaMiami

ATL - MIA

ATLMIA

Atlanta Hartsfield-Jackson

Sat 7/11

11:47 am-1:53 pm

Nonstop2h 06m

Miami

Sat 7/18

8:30 am-10:50 am

Nonstop2h 20m

$97

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Wed 8/12

6:25 pm-9:50 pm

Nonstop2h 25m

Miami

Wed 8/19

6:45 am-8:20 am

Nonstop2h 35m

$169

HoustonMiami

HOU - MIA

HOUMIA

Houston Hobby

Tue 7/21

7:25 pm-10:55 pm

Nonstop2h 30m

Miami

Thu 8/6

5:45 am-7:20 am

Nonstop2h 35m

$177

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Sat 8/22

6:00 pm-9:39 pm

Nonstop3h 39m

Miami

Thu 8/27

7:15 am-10:10 am

Nonstop2h 55m

$197

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 7/25

8:40 pm-11:28 pm

Nonstop2h 48m

Miami

Mon 7/27

8:30 pm-11:09 pm

Nonstop2h 39m

$199

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 9/16

11:05 am-2:26 pm

Nonstop3h 21m

Miami

Mon 9/21

7:44 pm-10:59 pm

Nonstop3h 15m

$199

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 8/1

8:40 pm-11:28 pm

Nonstop2h 48m

Miami

Mon 8/3

10:10 pm-12:49 am

Nonstop2h 39m

$200

NewarkMiami

EWR - MIA

EWRMIA

Newark

Wed 7/29

8:04 pm-11:22 pm

Nonstop3h 18m

Miami

Sun 8/9

7:07 am-10:11 am

Nonstop3h 04m

$227

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 $557. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $634.

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	$40
Best Round-Trip Price	$95
Fastest flight time	2h 10m
Popular in	December

The best one-way flight price to Florida Keys from United States in the last 5 days is $40 (Atlanta Hartsfield-Jackson to Miami).

Search Deals

The best round-trip flight price to Florida Keys from United States in the last 5 days is $95 (Atlanta Hartsfield-Jackson to Miami).

Search Deals

The fastest flight to Florida Keys from United States takes 2h 10m (Atlanta Hartsfield-Jackson 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 July 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.