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 29

BWI

2h 53m

MIA

Sep 1

MIA

2h 55m

BWI

$110

Frontier

Oct 3

BWI

2h 54m

MIA

Oct 10

MIA

2h 38m

BWI

$111

Frontier

Aug 28

BWI

2h 53m

MIA

Sep 13

MIA

2h 40m

BWI

$113

Frontier

Sep 12

BWI

2h 54m

MIA

Sep 14

MIA

2h 40m

BWI

$114

Frontier

Sep 10

BWI

2h 54m

MIA

Sep 14

MIA

2h 40m

BWI

$115

Frontier

Sep 12

BWI

2h 54m

MIA

Sep 14

MIA

11h 55m

1 stop

BWI

$116

Frontier

Sep 24

BWI

2h 54m

MIA

Sep 28

MIA

2h 40m

BWI

$117

Frontier

Aug 31

BWI

25h 33m

1 stop

MIA

Sep 2

MIA

2h 55m

BWI

$119

Frontier

Aug 31

BWI

2h 53m

MIA

Sep 3

MIA

2h 55m

BWI

$120

Frontier

Sep 1

BWI

2h 53m

MIA

Sep 6

MIA

2h 55m

BWI

$121

Frontier

Aug 31

BWI

2h 53m

MIA

Sep 5

MIA

9h 33m

1 stop

BWI

$122

Frontier

Sep 14

BWI

2h 54m

MIA

Sep 17

MIA

11h 14m

1 stop

BWI

$123

Flights to Key West

Search all flight deals to Key West

Multiple Airlines

Sep 26

ATL

15h 15m

1 stop

EYW

Oct 1

EYW

7h 53m

1 stop

ATL

$130

Multiple Airlines

Sep 26

ATL

15h 15m

1 stop

EYW

Oct 2

EYW

20h 02m

1 stop

ATL

$135

Multiple Airlines

Sep 27

PHL

5h 21m

1 stop

EYW

Sep 30

EYW

22h 37m

1 stop

PHL

$136

Multiple Airlines

Sep 26

ATL

15h 15m

1 stop

EYW

Oct 3

EYW

5h 40m

1 stop

ATL

$137

Multiple Airlines

Sep 28

PHL

6h 19m

1 stop

EYW

Oct 2

EYW

11h 31m

1 stop

PHL

$137

Multiple Airlines

Sep 26

ATL

18h 32m

1 stop

EYW

Sep 30

EYW

22h 57m

1 stop

ATL

$138

Multiple Airlines

Sep 6

ATL

9h 10m

1 stop

EYW

Sep 16

EYW

22h 57m

1 stop

ATL

$139

Multiple Airlines

Sep 27

PHL

5h 21m

1 stop

EYW

Oct 1

EYW

12h 29m

1 stop

PHL

$139

Multiple Airlines

Sep 5

ATL

26h 02m

1 stop

EYW

Sep 9

EYW

22h 57m

1 stop

ATL

$140

Multiple Airlines

Sep 15

PHL

13h 25m

1 stop

EYW

Sep 30

EYW

22h 37m

1 stop

PHL

$141

Multiple Airlines

Sep 26

ATL

15h 15m

1 stop

EYW

Oct 6

EYW

6h 38m

1 stop

ATL

$142

Multiple Airlines

Sep 6

ATL

9h 10m

1 stop

EYW

Sep 16

EYW

5h 47m

1 stop

ATL

$143

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.

8:48 pm - 11:41 pmBWI Baltimore/Washington-MIA Miami

2h 53mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$110Frontier

Sat, Aug 29 - Tue, Sep 1

8:48 pm - 11:41 pmBWI Baltimore/Washington-MIA Miami

2h 53mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$110Frontier

Sat, Aug 29 - Tue, Sep 1

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

2h 50mnonstop

11:50 am - 2:25 pmMIA Miami-BWI Baltimore/Washington

2h 35mnonstop

$166Southwest

Sat, Sep 19 - Tue, Sep 22

10:55 am - 1:35 pmBWI Baltimore/Washington-MIA Miami

2h 40mnonstop

6:30 am - 9:00 amMIA Miami-BWI Baltimore/Washington

2h 30mnonstop

$166Southwest

Wed, Sep 16 - Sat, Sep 19

6:59 pm - 11:11 pmORD Chicago O'Hare Intl-MIA Miami

3h 12mnonstop

8:59 pm - 11:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 31mnonstop

$175American Airlines

Sat, Sep 5 - Sun, Sep 6

6:59 pm - 11:11 pmORD Chicago O'Hare Intl-MIA Miami

3h 12mnonstop

8:59 pm - 11:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 31mnonstop

$181American Airlines

Tue, Sep 1 - Sat, Sep 5

7:30 am - 11:54 amORD Chicago O'Hare Intl-MIA Miami

3h 24mnonstop

3:57 pm - 6:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$181United Airlines

Sun, Sep 6 - Thu, Sep 10

10:30 am - 2:51 pmORD Chicago O'Hare Intl-MIA Miami

3h 21mnonstop

3:57 pm - 6:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$181United Airlines

Fri, Sep 11 - Mon, Sep 14

8:10 am - 3:55 pmBWI Baltimore/Washington-MIA Miami

7h 45m1 stop Atlanta Hartsfield-Jackson

10:34 am - 5:03 pmMIA Miami-BWI Baltimore/Washington

6h 29m1 stop Atlanta Hartsfield-Jackson

$197Delta

Wed, Dec 2 - Wed, Dec 9

7:52 pm - 12:59 amBWI Baltimore/Washington-MIA Miami

5h 07m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:56 pmMIA Miami-BWI Baltimore/Washington

5h 56m1 stop Atlanta Hartsfield-Jackson

$197Delta

Mon, Nov 9 - Sat, Nov 14

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

Enter your travel dates to find the best prices.

7:27 pm - 10:19 pmBWI Baltimore/Washington-MIA Miami

2h 52mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$143Frontier

Sat, Aug 15 - Wed, Aug 19

7:27 pm - 10:19 pmBWI Baltimore/Washington-MIA Miami

2h 52mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$145Frontier

Sat, Aug 15 - Wed, Aug 19

1:35 pm - 4:15 pmBWI Baltimore/Washington-MIA Miami

2h 40mnonstop

7:00 am - 1:35 pmMIA Miami-BWI Baltimore/Washington

6h 35m2 stops Orlando Atlanta Hartsfield-Jackson

$314Southwest

Sat, Aug 15 - Sat, Aug 22

7:24 pm - 11:36 pmBWI Baltimore/Washington-MIA Miami

4h 12m1 stop Charlotte Douglas

10:10 am - 3:14 pmMIA Miami-BWI Baltimore/Washington

5h 04m1 stop Charlotte Douglas

$319American Airlines

Wed, Aug 12 - Tue, Aug 18

7:24 pm - 11:36 pmBWI Baltimore/Washington-MIA Miami

4h 12m1 stop Charlotte Douglas

6:30 am - 11:09 amMIA Miami-BWI Baltimore/Washington

4h 39m1 stop Charlotte Douglas

$319American Airlines

Wed, Aug 12 - Wed, Aug 19

9:40 am - 6:45 pmBWI Baltimore/Washington-MIA Miami

9h 05m2 stops Grand Rapids Gerald R. Ford Intl Nashville Intl

7:45 am - 2:20 pmMIA Miami-BWI Baltimore/Washington

6h 35m1 stop Lambert-St Louis

$324Southwest

Sat, Aug 15 - Sat, Aug 22

2:59 pm - 6:30 pmLGA New York LaGuardia-MIA Miami

3h 31mnonstop

8:50 am - 11:54 amMIA Miami-LGA New York LaGuardia

3h 04mnonstop

$336Delta

Wed, Aug 12 - Tue, Sep 1

6:00 pm - 9:39 pmLGA New York LaGuardia-MIA Miami

3h 39mnonstop

7:40 pm - 10:59 pmMIA Miami-LGA New York LaGuardia

3h 19mnonstop

$336Delta

Sat, Aug 15 - Tue, Sep 1

8:29 pm - 11:44 pmEWR Newark-MIA Miami

3h 15mnonstop

8:25 am - 11:25 amMIA Miami-EWR Newark

3h 00mnonstop

$336United Airlines

Wed, Aug 12 - Sat, Sep 12

8:16 am - 11:11 amIAD Washington, D.C. Dulles Intl-MIA Miami

2h 55mnonstop

1:44 pm - 4:17 pmMIA Miami-IAD Washington, D.C. Dulles Intl

2h 33mnonstop

$347United Airlines

Fri, Aug 14 - Mon, Sep 14

Recent direct flight deals from the United States to Florida Keys

Enter your travel dates to find the best prices.

8:48 pm - 11:41 pmBWI Baltimore/Washington-MIA Miami

2h 53mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$110Frontier

Sat, Aug 29 - Tue, Sep 1

8:48 pm - 11:41 pmBWI Baltimore/Washington-MIA Miami

2h 53mnonstop

5:08 pm - 8:03 pmMIA Miami-BWI Baltimore/Washington

2h 55mnonstop

$110Frontier

Sat, Aug 29 - Tue, Sep 1

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

2h 50mnonstop

11:50 am - 2:25 pmMIA Miami-BWI Baltimore/Washington

2h 35mnonstop

$166Southwest

Sat, Sep 19 - Tue, Sep 22

10:55 am - 1:35 pmBWI Baltimore/Washington-MIA Miami

2h 40mnonstop

6:30 am - 9:00 amMIA Miami-BWI Baltimore/Washington

2h 30mnonstop

$166Southwest

Wed, Sep 16 - Sat, Sep 19

6:59 pm - 11:11 pmORD Chicago O'Hare Intl-MIA Miami

3h 12mnonstop

8:59 pm - 11:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 31mnonstop

$175American Airlines

Sat, Sep 5 - Sun, Sep 6

6:59 pm - 11:11 pmORD Chicago O'Hare Intl-MIA Miami

3h 12mnonstop

8:59 pm - 11:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 31mnonstop

$181American Airlines

Tue, Sep 1 - Sat, Sep 5

7:30 am - 11:54 amORD Chicago O'Hare Intl-MIA Miami

3h 24mnonstop

3:57 pm - 6:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$181United Airlines

Sun, Sep 6 - Thu, Sep 10

10:30 am - 2:51 pmORD Chicago O'Hare Intl-MIA Miami

3h 21mnonstop

3:57 pm - 6:30 pmMIA Miami-ORD Chicago O'Hare Intl

3h 33mnonstop

$181United Airlines

Fri, Sep 11 - Mon, Sep 14

1:35 pm - 4:21 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 46mnonstop

11:15 am - 1:49 pmMIA Miami-DCA Washington, D.C. Reagan-National

2h 34mnonstop

$209Delta

Sat, Sep 12 - Sat, Sep 19

1:35 pm - 4:21 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 46mnonstop

11:15 am - 1:49 pmMIA Miami-DCA Washington, D.C. Reagan-National

2h 34mnonstop

$209Delta

Wed, Sep 23 - Tue, Sep 29

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Sat 8/29

8:48 pm-11:41 pm

Nonstop2h 53m

Miami

Tue 9/1

5:08 pm-8:03 pm

Nonstop2h 55m

$110

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Sat 8/29

8:48 pm-11:41 pm

Nonstop2h 53m

Miami

Tue 9/1

5:08 pm-8:03 pm

Nonstop2h 55m

$110

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Sat 9/19

5:30 pm-8:20 pm

Nonstop2h 50m

Miami

Tue 9/22

11:50 am-2:25 pm

Nonstop2h 35m

$166

Quickest round-trip

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Wed 9/16

10:55 am-1:35 pm

Nonstop2h 40m

Miami

Sat 9/19

6:30 am-9:00 am

Nonstop2h 30m

$166

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Sat 9/5

6:59 pm-11:11 pm

Nonstop3h 12m

Miami

Sun 9/6

8:59 pm-11:30 pm

Nonstop3h 31m

$175

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Tue 9/1

6:59 pm-11:11 pm

Nonstop3h 12m

Miami

Sat 9/5

8:59 pm-11:30 pm

Nonstop3h 31m

$181

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Sun 9/6

7:30 am-11:54 am

Nonstop3h 24m

Miami

Thu 9/10

3:57 pm-6:30 pm

Nonstop3h 33m

$181

ChicagoMiami

ORD Chicago O'Hare Intl - MIA Miami

ORDMIA

Chicago O'Hare Intl

Fri 9/11

10:30 am-2:51 pm

Nonstop3h 21m

Miami

Mon 9/14

3:57 pm-6:30 pm

Nonstop3h 33m

$181

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Wed 12/2

8:10 am-3:55 pm

1 stop7h 45m

Miami

Wed 12/9

10:34 am-5:03 pm

1 stop6h 29m

$197

BaltimoreMiami

BWI Baltimore/Washington - MIA Miami

BWIMIA

Baltimore/Washington

Mon 11/9

7:52 pm-12:59 am

1 stop5h 07m

Miami

Sat 11/14

7:00 am-12:56 pm

1 stop5h 56m

$197

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 $642.

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	$55
Best Round-Trip Price	$110
Fastest flight time	2h 53m
Popular in	December

The best one-way flight price to Florida Keys from United States in the last 5 days is $55 (Baltimore/Washington to Miami).

Search Deals

The best round-trip flight price to Florida Keys from United States in the last 5 days is $110 (Baltimore/Washington to Miami).

Search Deals

The fastest flight to Florida Keys from United States takes 2h 53m (Baltimore/Washington to Miami).

Search Deals

December has the highest demand for flights to Florida Keys, with a 12% 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.