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

Nov 19

ATL

1h 57m

MIA

Nov 23

MIA

2h 11m

ATL

$81

Frontier

Sep 15

ATL

2h 03m

MIA

Sep 17

MIA

2h 13m

ATL

$82

Frontier

Sep 14

ATL

2h 01m

MIA

Sep 19

MIA

2h 13m

ATL

$83

Frontier

Oct 8

ATL

2h 00m

MIA

Oct 13

MIA

2h 07m

ATL

$84

Frontier

Oct 19

ATL

2h 00m

MIA

Oct 23

MIA

2h 07m

ATL

$85

Frontier

Nov 6

ATL

2h 02m

MIA

Nov 15

MIA

2h 09m

ATL

$86

Frontier

Nov 6

ATL

2h 02m

MIA

Nov 11

MIA

2h 09m

ATL

$87

Frontier

Sep 12

ATL

2h 03m

MIA

Sep 19

MIA

2h 13m

ATL

$88

Frontier

Oct 31

ATL

2h 03m

MIA

Nov 8

MIA

2h 15m

ATL

$89

Frontier

Oct 8

ATL

2h 00m

MIA

Oct 11

MIA

2h 04m

ATL

$90

Frontier

Oct 2

ATL

1h 55m

MIA

Oct 10

MIA

2h 04m

ATL

$91

Frontier

Sep 19

ATL

2h 03m

MIA

Sep 25

MIA

2h 08m

ATL

$92

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Nov 9

ATL

15h 37m

1 stop

EYW

Nov 18

EYW

9h 45m

1 stop

ATL

$131

Multiple Airlines

Sep 26

ATL

20h 05m

1 stop

EYW

Oct 3

EYW

4h 35m

1 stop

ATL

$132

Multiple Airlines

Sep 26

ATL

14h 22m

1 stop

EYW

Oct 3

EYW

4h 35m

1 stop

ATL

$135

Multiple Airlines

Oct 3

ATL

19h 37m

1 stop

EYW

Oct 7

EYW

9h 50m

1 stop

ATL

$137

Multiple Airlines

Nov 9

ATL

15h 37m

1 stop

EYW

Nov 13

EYW

20h 04m

1 stop

ATL

$142

Multiple Airlines

Nov 14

ATL

27h 49m

1 stop

EYW

Nov 18

EYW

9h 45m

1 stop

ATL

$144

Multiple Airlines

Sep 26

ATL

14h 22m

1 stop

EYW

Oct 1

EYW

7h 53m

1 stop

ATL

$145

Multiple Airlines

Nov 9

ATL

15h 37m

1 stop

EYW

Nov 14

EYW

5h 26m

1 stop

ATL

$148

Multiple Airlines

Sep 19

ATL

14h 22m

1 stop

EYW

Sep 26

EYW

5h 40m

1 stop

ATL

$151

Multiple Airlines

Nov 10

ATL

17h 25m

1 stop

EYW

Nov 18

EYW

9h 45m

1 stop

ATL

$154

Multiple Airlines

Sep 25

ATL

22h 53m

1 stop

EYW

Oct 2

EYW

25h 40m

1 stop

ATL

$157

Multiple Airlines

Oct 10

ATL

14h 01m

1 stop

EYW

Oct 13

EYW

6h 38m

1 stop

ATL

$159

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.

6:30 pm - 8:33 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

9:43 pm - 11:56 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 13mnonstop

$81Frontier

Thu, Sep 17 - Sun, Sep 20

6:35 pm - 8:38 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

5:32 am - 7:40 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$81Frontier

Wed, Sep 16 - Wed, Sep 23

9:15 am - 11:17 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 02mnonstop

7:20 pm - 9:28 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$159American Airlines

Mon, Oct 26 - Sun, Nov 1

5:38 am - 7:40 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 02mnonstop

9:50 pm - 11:55 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 05mnonstop

$159American Airlines

Wed, Jan 13 - Sun, Jan 17

10:57 pm - 12:52 amATL Atlanta Hartsfield-Jackson-MIA Miami

1h 55mnonstop

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

2h 01mnonstop

$159Delta

Mon, Feb 8 - Tue, Feb 16

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

1h 55mnonstop

7:00 am - 9:04 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 04mnonstop

$159Delta

Mon, Jan 11 - Tue, Jan 19

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

3h 20mnonstop

4:06 pm - 6:31 pmMIA Miami-ORD Chicago O'Hare Intl

3h 25mnonstop

$171United Airlines

Mon, Dec 14 - Thu, Jan 7

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

5:29 pm - 9:45 pmORD Chicago O'Hare Intl-MIA Miami

3h 16mnonstop

6:57 am - 9:30 amMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$172Alaska Airlines

Sat, Oct 3 - Mon, Oct 5

12:52 pm - 8:38 pmBOS Boston Logan Intl-MIA Miami

7h 46m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 9:29 amMIA Miami-BOS Boston Logan Intl

35h 59m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$211Multiple Airlines

Tue, Sep 29 - Thu, Oct 1

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

Enter your travel dates to find the best prices.

2:17 pm - 4:21 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 04mnonstop

9:43 pm - 11:56 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 13mnonstop

$98Frontier

Wed, Sep 2 - Wed, Sep 9

2:17 pm - 4:21 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 04mnonstop

4:30 pm - 6:46 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$98Frontier

Wed, Sep 2 - Thu, Oct 1

8:30 pm - 11:50 pmJFK New York John F Kennedy Intl-MIA Miami

3h 20mnonstop

8:36 am - 11:33 amMIA Miami-JFK New York John F Kennedy Intl

2h 57mnonstop

$286American Airlines

Tue, Sep 1 - Wed, Sep 30

6:35 am - 1:11 pmJFK New York John F Kennedy Intl-MIA Miami

6h 36m1 stop Charlotte Douglas

8:36 am - 11:33 amMIA Miami-JFK New York John F Kennedy Intl

2h 57mnonstop

$296American Airlines

Tue, Sep 1 - Wed, Sep 30

11:05 am - 2:21 pmJFK New York John F Kennedy Intl-MIA Miami

3h 16mnonstop

7:06 am - 10:00 amMIA Miami-JFK New York John F Kennedy Intl

2h 54mnonstop

$296Delta

Tue, Sep 1 - Wed, Sep 30

7:55 pm - 11:37 pmJFK New York John F Kennedy Intl-MIA Miami

3h 42mnonstop

7:06 am - 10:00 amMIA Miami-JFK New York John F Kennedy Intl

2h 54mnonstop

$296Delta

Tue, Sep 1 - Sat, Sep 26

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

3h 16mnonstop

11:25 am - 2:29 pmMIA Miami-EWR Newark

3h 04mnonstop

$306United Airlines

Tue, Sep 1 - Wed, Sep 30

1:30 pm - 10:00 pmLGA New York LaGuardia-MIA Miami

8h 30m1 stop Houston Hobby

12:50 pm - 10:10 pmMIA Miami-LGA New York LaGuardia

9h 20m2 stops Lambert-St Louis Chicago Midway

$344Southwest

Thu, Sep 3 - Tue, Sep 29

7:20 am - 11:25 amATL Atlanta Hartsfield-Jackson-MIA Miami

4h 05m1 stop Orlando

7:00 am - 6:00 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

11h 00m2 stops Orlando Nashville Intl

$348Southwest

Thu, Sep 3 - Thu, Sep 10

11:30 am - 2:46 pmEWR Newark-MIA Miami

3h 16mnonstop

5:37 pm - 8:43 pmMIA Miami-EWR Newark

3h 06mnonstop

$386United Airlines

Wed, Sep 2 - Tue, Sep 15

Recent direct flight deals from the United States to Florida Keys

Enter your travel dates to find the best prices.

6:30 pm - 8:33 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

9:43 pm - 11:56 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 13mnonstop

$81Frontier

Thu, Sep 17 - Sun, Sep 20

6:35 pm - 8:38 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 03mnonstop

5:32 am - 7:40 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$81Frontier

Wed, Sep 16 - Wed, Sep 23

9:15 am - 11:17 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 02mnonstop

7:20 pm - 9:28 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$159American Airlines

Mon, Oct 26 - Sun, Nov 1

5:38 am - 7:40 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 02mnonstop

9:50 pm - 11:55 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 05mnonstop

$159American Airlines

Wed, Jan 13 - Sun, Jan 17

10:57 pm - 12:52 amATL Atlanta Hartsfield-Jackson-MIA Miami

1h 55mnonstop

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

2h 01mnonstop

$159Delta

Mon, Feb 8 - Tue, Feb 16

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

1h 55mnonstop

7:00 am - 9:04 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 04mnonstop

$159Delta

Mon, Jan 11 - Tue, Jan 19

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

3h 20mnonstop

4:06 pm - 6:31 pmMIA Miami-ORD Chicago O'Hare Intl

3h 25mnonstop

$171United Airlines

Mon, Dec 14 - Thu, Jan 7

10:45 am - 2:55 pmORD Chicago O'Hare Intl-MIA Miami

3h 10mnonstop

4:06 pm - 6:31 pmMIA Miami-ORD Chicago O'Hare Intl

3h 25mnonstop

$171United Airlines

Mon, Jan 11 - Tue, Jan 12

5:29 pm - 9:45 pmORD Chicago O'Hare Intl-MIA Miami

3h 16mnonstop

6:57 am - 9:30 amMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$172Alaska Airlines

Sat, Oct 3 - Mon, Oct 5

5:25 pm - 8:16 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 51mnonstop

12:13 pm - 2:49 pmMIA Miami-DCA Washington, D.C. Reagan-National

2h 36mnonstop

$10,479Alaska Airlines

Thu, Oct 1 - Mon, Oct 5

Fly from

Route

Depart

Return

Price

Cheapest round-trip

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Thu 9/17

6:30 pm-8:33 pm

Nonstop2h 03m

Miami

Sun 9/20

9:43 pm-11:56 pm

Nonstop2h 13m

$81

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Wed 9/16

6:35 pm-8:38 pm

Nonstop2h 03m

Miami

Wed 9/23

5:32 am-7:40 am

Nonstop2h 08m

$81

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Mon 10/26

9:15 am-11:17 am

Nonstop2h 02m

Miami

Sun 11/1

7:20 pm-9:28 pm

Nonstop2h 08m

$159

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Wed 1/13

5:38 am-7:40 am

Nonstop2h 02m

Miami

Sun 1/17

9:50 pm-11:55 pm

Nonstop2h 05m

$159

Quickest round-trip

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Mon 2/8

10:57 pm-12:52 am

Nonstop1h 55m

Miami

Tue 2/16

3:35 pm-5:36 pm

Nonstop2h 01m

$159

AtlantaMiami

ATL Atlanta Hartsfield-Jackson - MIA Miami

ATLMIA

Atlanta Hartsfield-Jackson

Mon 1/11

8:50 pm-10:45 pm

Nonstop1h 55m

Miami

Tue 1/19

7:00 am-9:04 am

Nonstop2h 04m

$159

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Mon 12/14

2:20 pm-6:40 pm

Nonstop3h 20m

Miami

Thu 1/7

4:06 pm-6:31 pm

Nonstop3h 25m

$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

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Sat 10/3

5:29 pm-9:45 pm

Nonstop3h 16m

Miami

Mon 10/5

6:57 am-9:30 am

Nonstop3h 33m

$172

BostonMiami

BOS Boston Logan Intl - MIA Miami

BOSMIA

Boston Logan Intl

Tue 9/29

12:52 pm-8:38 pm

1 stop7h 46m

Miami

Thu 10/1

9:30 pm-9:29 am

2 stops35h 59m

$211

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 $562. 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	$41
Best Round-Trip Price	$81
Fastest flight time	2h 03m
Popular in	December

The best one-way flight price to Florida Keys from United States in the last 5 days is $41 (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 $81 (Atlanta Hartsfield-Jackson to Miami).

Search Deals

The fastest flight to Florida Keys from United States takes 2h 03m (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.