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

Oct 5

ATL

1h 55m

MIA

Oct 12

MIA

2h 04m

ATL

$81

Frontier

Sep 17

ATL

1h 55m

MIA

Sep 20

MIA

2h 13m

ATL

$82

Frontier

Sep 9

ATL

2h 03m

MIA

Sep 16

MIA

2h 08m

ATL

$83

Frontier

Sep 9

ATL

2h 03m

MIA

Sep 13

MIA

2h 08m

ATL

$84

Frontier

Sep 9

ATL

2h 03m

MIA

Sep 13

MIA

2h 08m

ATL

$85

Frontier

Oct 13

ATL

1h 58m

MIA

Oct 16

MIA

2h 07m

ATL

$86

Frontier

Sep 9

ATL

2h 03m

MIA

Sep 13

MIA

2h 08m

ATL

$87

Frontier

Sep 12

ATL

2h 03m

MIA

Sep 19

MIA

2h 13m

ATL

$88

Frontier

Sep 12

ATL

1h 55m

MIA

Sep 20

MIA

2h 08m

ATL

$89

Frontier

Sep 10

ATL

2h 00m

MIA

Sep 14

MIA

2h 23m

ATL

$90

Frontier

Sep 12

ATL

2h 03m

MIA

Sep 17

MIA

2h 13m

ATL

$91

Frontier

Oct 15

ATL

2h 00m

MIA

Oct 16

MIA

2h 04m

ATL

$92

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Oct 2

PHL

15h 24m

1 stop

EYW

Oct 7

EYW

26h 28m

1 stop

PHL

$180

Multiple Airlines

Oct 2

PHL

15h 24m

1 stop

EYW

Oct 7

EYW

26h 28m

1 stop

PHL

$181

Multiple Airlines

Sep 26

PHL

14h 21m

1 stop

EYW

Oct 1

EYW

12h 29m

1 stop

PHL

$184

Multiple Airlines

Oct 2

PHL

20h 26m

1 stop

EYW

Oct 15

EYW

7h 23m

1 stop

PHL

$186

Multiple Airlines

Nov 9

PHL

18h 37m

1 stop

EYW

Nov 13

EYW

6h 24m

1 stop

PHL

$198

Multiple Airlines

Oct 2

PHL

20h 26m

1 stop

EYW

Oct 7

EYW

13h 14m

2 stops

PHL

$200

Multiple Airlines

Sep 26

PHL

26h 19m

2 stops

EYW

Oct 1

EYW

12h 29m

1 stop

PHL

$201

Multiple Airlines

Sep 11

PHL

27h 24m

1 stop

EYW

Sep 19

EYW

9h 00m

1 stop

PHL

$202

Multiple Airlines

Sep 26

PHL

14h 21m

1 stop

EYW

Oct 3

EYW

22h 37m

1 stop

PHL

$203

Multiple Airlines

Nov 6

PHL

15h 25m

1 stop

EYW

Nov 13

EYW

11h 30m

1 stop

PHL

$206

Multiple Airlines

Sep 26

PHL

26h 19m

2 stops

EYW

Oct 3

EYW

22h 37m

1 stop

PHL

$208

Multiple Airlines

Oct 5

PHL

6h 19m

1 stop

EYW

Oct 16

EYW

10h 35m

1 stop

PHL

$210

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.

3:01 pm - 5:04 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

5:05 am - 7:20 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 15mnonstop

$80Frontier

Sat, Oct 31 - Sat, Nov 7

7:50 pm - 9:50 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 00mnonstop

5:05 am - 7:12 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 07mnonstop

$80Frontier

Fri, Oct 16 - Sat, Oct 17

5:10 am - 7:10 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 00mnonstop

9:45 pm - 11:57 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 12mnonstop

$159American Airlines

Thu, Feb 18 - Fri, Feb 26

5:09 pm - 7:15 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 06mnonstop

7:42 am - 9:48 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 06mnonstop

$159American Airlines

Fri, Dec 11 - Mon, Dec 14

7:25 am - 9:31 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 06mnonstop

6:00 am - 8:04 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 04mnonstop

$159Delta

Thu, Dec 10 - Sun, Dec 13

8:50 pm - 10:45 pmATL Atlanta Hartsfield-Jackson-MIA Miami

1h 55mnonstop

3:35 pm - 5:36 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 01mnonstop

$159Delta

Wed, Feb 3 - Wed, Feb 10

6:12 pm - 10:31 pmORD Chicago O'Hare Intl-MIA Miami

3h 19mnonstop

4:50 pm - 7:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 40mnonstop

$171United Airlines

Tue, Nov 10 - Thu, Nov 12

2:20 pm - 6:40 pmORD Chicago O'Hare Intl-MIA Miami

3h 20mnonstop

7:00 am - 9:36 amMIA Miami-ORD Chicago O'Hare Intl

3h 36mnonstop

$171United Airlines

Tue, Dec 1 - Sat, Dec 5

7:25 pm - 11:05 pmATL Atlanta Hartsfield-Jackson-MIA Miami

3h 40m1 stop Orlando

12:35 pm - 8:55 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

8h 20m1 stop Chicago Midway

$179Southwest

Mon, Oct 26 - Wed, Oct 28

1:35 pm - 8:05 pmATL Atlanta Hartsfield-Jackson-MIA Miami

6h 30m1 stop Orlando

4:45 pm - 8:45 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

4h 00m1 stop Orlando

$179Southwest

Wed, Sep 23 - Wed, Sep 30

Recent last minute flight deals from the United States to Florida Keys

Enter your travel dates to find the best prices.

11:26 am - 1:32 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 06mnonstop

8:10 am - 10:30 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 20mnonstop

$122Frontier

Sat, Aug 29 - Wed, Sep 2

8:55 pm - 11:05 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 10mnonstop

8:10 am - 10:30 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 20mnonstop

$128Frontier

Thu, Aug 27 - Sun, Aug 30

6:25 pm - 9:42 pmLGA New York LaGuardia-MIA Miami

3h 17mnonstop

12:34 pm - 3:30 pmMIA Miami-LGA New York LaGuardia

2h 56mnonstop

$341American Airlines

Sat, Aug 29 - Sat, Sep 19

12:25 pm - 3:37 pmEWR Newark-MIA Miami

3h 12mnonstop

7:40 pm - 10:49 pmMIA Miami-EWR Newark

3h 09mnonstop

$341American Airlines

Wed, Aug 26 - Fri, Sep 25

7:10 am - 10:19 amLGA New York LaGuardia-MIA Miami

3h 09mnonstop

3:35 pm - 6:48 pmMIA Miami-LGA New York LaGuardia

3h 13mnonstop

$341Delta

Tue, Aug 25 - Fri, Sep 11

5:10 pm - 9:01 pmLGA New York LaGuardia-MIA Miami

3h 51mnonstop

9:00 am - 11:57 amMIA Miami-LGA New York LaGuardia

2h 57mnonstop

$341Delta

Wed, Aug 26 - Fri, Sep 11

1:15 pm - 4:31 pmEWR Newark-MIA Miami

3h 16mnonstop

8:54 am - 11:58 amMIA Miami-EWR Newark

3h 04mnonstop

$341United Airlines

Wed, Aug 26 - Wed, Sep 30

11:50 am - 7:15 pmATL Atlanta Hartsfield-Jackson-MIA Miami

7h 25m2 stops Baltimore/Washington Orlando

4:45 pm - 8:40 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

3h 55m1 stop Orlando

$348Southwest

Sat, Aug 29 - Wed, Sep 2

11:50 am - 8:15 pmATL Atlanta Hartsfield-Jackson-MIA Miami

8h 25m1 stop Baltimore/Washington

7:00 am - 3:55 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

8h 55m2 stops Orlando Nashville Intl

$348Southwest

Sat, Aug 29 - Sat, Sep 5

3:38 pm - 6:52 pmEWR Newark-MIA Miami

3h 14mnonstop

7:00 am - 9:59 amMIA Miami-EWR Newark

2h 59mnonstop

$366United Airlines

Sat, Aug 29 - Sat, Sep 5

Recent direct flight deals from the United States to Florida Keys

Enter your travel dates to find the best prices.

3:01 pm - 5:04 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

5:05 am - 7:20 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 15mnonstop

$80Frontier

Sat, Oct 31 - Sat, Nov 7

7:50 pm - 9:50 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 00mnonstop

5:05 am - 7:12 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 07mnonstop

$80Frontier

Fri, Oct 16 - Sat, Oct 17

5:10 am - 7:10 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 00mnonstop

9:45 pm - 11:57 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 12mnonstop

$159American Airlines

Thu, Feb 18 - Fri, Feb 26

12:48 pm - 2:47 pmATL Atlanta Hartsfield-Jackson-MIA Miami

1h 59mnonstop

7:38 pm - 9:47 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 09mnonstop

$159American Airlines

Thu, Jan 28 - Sun, Jan 31

7:25 am - 9:31 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 06mnonstop

6:00 am - 8:04 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 04mnonstop

$159Delta

Thu, Dec 10 - Sun, Dec 13

8:50 pm - 10:45 pmATL Atlanta Hartsfield-Jackson-MIA Miami

1h 55mnonstop

3:35 pm - 5:36 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 01mnonstop

$159Delta

Wed, Feb 3 - Wed, Feb 10

6:12 pm - 10:31 pmORD Chicago O'Hare Intl-MIA Miami

3h 19mnonstop

4:50 pm - 7:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 40mnonstop

$171United Airlines

Tue, Nov 10 - Thu, Nov 12

2:20 pm - 6:40 pmORD Chicago O'Hare Intl-MIA Miami

3h 20mnonstop

7:00 am - 9:36 amMIA Miami-ORD Chicago O'Hare Intl

3h 36mnonstop

$171United Airlines

Tue, Dec 1 - Sat, Dec 5

5:30 pm - 8:20 pmBWI Baltimore/Washington-MIA Miami

2h 50mnonstop

7:30 am - 10:00 amMIA Miami-BWI Baltimore/Washington

2h 30mnonstop

$217Southwest

Sat, Sep 19 - Wed, Sep 23

5:55 pm - 8:30 pmBWI Baltimore/Washington-MIA Miami

2h 35mnonstop

6:25 am - 9:00 amMIA Miami-BWI Baltimore/Washington

2h 35mnonstop

$217Southwest

Sat, Oct 3 - Mon, Oct 5

Fly from

Route

Depart

Return

Price

Cheapest round-trip

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Sat 10/31

3:01 pm-5:04 pm

Nonstop2h 03m

Miami

Sat 11/7

5:05 am-7:20 am

Nonstop2h 15m

$80

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Fri 10/16

7:50 pm-9:50 pm

Nonstop2h 00m

Miami

Sat 10/17

5:05 am-7:12 am

Nonstop2h 07m

$80

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Thu 2/18

5:10 am-7:10 am

Nonstop2h 00m

Miami

Fri 2/26

9:45 pm-11:57 pm

Nonstop2h 12m

$159

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Fri 12/11

5:09 pm-7:15 pm

Nonstop2h 06m

Miami

Mon 12/14

7:42 am-9:48 am

Nonstop2h 06m

$159

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Thu 12/10

7:25 am-9:31 am

Nonstop2h 06m

Miami

Sun 12/13

6:00 am-8:04 am

Nonstop2h 04m

$159

Quickest round-trip

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Wed 2/3

8:50 pm-10:45 pm

Nonstop1h 55m

Miami

Wed 2/10

3:35 pm-5:36 pm

Nonstop2h 01m

$159

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Tue 11/10

6:12 pm-10:31 pm

Nonstop3h 19m

Miami

Thu 11/12

4:50 pm-7:30 pm

Nonstop3h 40m

$171

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Tue 12/1

2:20 pm-6:40 pm

Nonstop3h 20m

Miami

Sat 12/5

7:00 am-9:36 am

Nonstop3h 36m

$171

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Mon 10/26

7:25 pm-11:05 pm

1 stop3h 40m

Miami

Wed 10/28

12:35 pm-8:55 pm

1 stop8h 20m

$179

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Wed 9/23

1:35 pm-8:05 pm

1 stop6h 30m

Miami

Wed 9/30

4:45 pm-8:45 pm

1 stop4h 00m

$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 Wednesday when prices can be found for as low as $561. The most expensive day to fly to Florida Keys is Sunday, with ticket prices averaging around $644.

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	$80
Fastest flight time	1h 58m
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 $80 (Atlanta Hartsfield-Jackson to Miami).

Search Deals

The fastest flight to Florida Keys from United States takes 1h 58m (Atlanta Hartsfield-Jackson to Miami).

Search Deals

December has the highest demand for flights to Florida Keys, with a 15% 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 57% 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 August 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.