How long is the flight from Washington, D.C. to Florida Keys?

On average, it takes 9h 55m to fly from Washington, D.C. to Florida Keys if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Baltimore and into Copenhagen, then the flight time is around 10h 25m.

How many flights depart from Washington, D.C. to Florida Keys on average per day?

The number of flights available between Washington, D.C. and Florida Keys is 18 per day as of March 2026. The most frequent departure time is 1:00PM, with 66% of daily flights leaving in the afternoon.

How many flights depart from Washington, D.C. to Florida Keys on average per week?

128 flights are operational weekly from Washington, D.C. to Florida Keys as of March 2026. The most popular departure day for this route is Sat, with 27% of flights per week taking off on this day.

What is the cheapest airline that flies from Washington, D.C. to Florida Keys?

Frontier, Allegiant Air, and Spirit Airlines are the most popular carriers operating from Washington, D.C. to Florida Keys

What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 4 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Florida Keys?

Prices for flights from Washington, D.C. to Florida Keys are updated daily.

How many operators does momondo search for flights from Washington, D.C. to Florida Keys?

The number of operators available for flights from Washington, D.C. to Florida Keys is 8 as of March 2026.

How old do you have to be to fly from Washington, D.C. to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$52 Cheap Flights from Washington, D.C. to Florida Keys in 2026

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Find the cheapest flights from Washington, D.C. to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:27 pm - 10:12 pm

BWI

MIA

2h 45mnonstop

3:55 pm - 6:42 pm

MIA

BWI

2h 47mnonstop

$106Frontier

Fri, May 8 - Thu, May 14

7:48 pm - 10:46 pm

BWI

MIA

2h 58mnonstop

8:00 am - 10:51 am

MIA

BWI

2h 51mnonstop

$108Frontier

Sat, Apr 11 - Sat, Apr 18

7:27 pm - 10:12 pm

BWI

MIA

2h 45mnonstop

6:11 pm - 7:43 am

MIA

BWI

13h 32m

1 stop

$109Multiple Airlines

Tue, May 26 - Tue, Jun 2

5:49 pm - 12:49 am

BWI

MIA

7h 00m

1 stop

5:30 am - 8:20 am

MIA

BWI

2h 50mnonstop

$110Frontier

Wed, Apr 15 - Thu, Apr 16

5:53 pm - 12:49 am

BWI

MIA

6h 56m

1 stop

3:55 pm - 6:42 pm

MIA

BWI

2h 47mnonstop

$111Frontier

Sat, May 2 - Fri, May 8

7:48 pm - 10:46 pm

BWI

MIA

2h 58mnonstop

9:45 pm - 10:00 am

MIA

BWI

12h 15m

1 stop

$115Multiple Airlines

Sat, Apr 11 - Tue, Apr 14

3:00 pm - 5:40 pm

DCA

MIA

2h 40mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$159Delta

Wed, Apr 22 - Tue, Apr 28

7:00 am - 1:30 pm

DCA

EYW

6h 30m

1 stop

1:22 pm - 7:45 pm

EYW

DCA

6h 23m

1 stop

$309Delta

Sat, May 16 - Wed, May 20

8:20 am - 11:24 am

DCA

EYW

3h 04mnonstop

12:04 pm - 2:52 pm

EYW

DCA

2h 48mnonstop

$314American Airlines

Wed, Apr 8 - Wed, Apr 15

6:25 am - 4:30 pm

IAD

EYW

10h 05m

2 stops

4:20 pm - 11:59 pm

EYW

IAD

7h 39m

1 stop

$314American Airlines

Sat, May 16 - Wed, May 20

Frontier flights from Washington, D.C. to Florida Keys

Our best Frontier deals on Washington, D.C. to Florida Keys flight tickets

Frontier

May 8

BWI7:27 pmBaltimore/Washington

2h 45m

MIA10:12 pmMiami

May 14

MIA3:55 pmMiami

2h 47m

BWI6:42 pmBaltimore/Washington

$106

Frontier

Apr 6

BWI5:59 pmBaltimore/Washington

2h 54m

MIA8:53 pmMiami

Apr 10

MIA2:00 pmMiami

2h 49m

BWI4:49 pmBaltimore/Washington

$107

Frontier

Apr 11

BWI7:48 pmBaltimore/Washington

2h 58m

MIA10:46 pmMiami

Apr 18

MIA8:00 amMiami

2h 51m

BWI10:51 amBaltimore/Washington

$108

Delta flights from Washington, D.C. to Florida Keys

Our best Delta deals on Washington, D.C. to Florida Keys flight tickets

Delta

Apr 22

DCA3:00 pmWashington, D.C. Reagan-National

2h 40m

MIA5:40 pmMiami

Apr 28

MIA11:22 amMiami

2h 41m

DCA2:03 pmWashington, D.C. Reagan-National

$159

Delta

Apr 25

DCA3:00 pmWashington, D.C. Reagan-National

2h 40m

MIA5:40 pmMiami

May 5

MIA11:22 amMiami

2h 41m

DCA2:03 pmWashington, D.C. Reagan-National

$168

Delta

Apr 25

DCA3:00 pmWashington, D.C. Reagan-National

2h 40m

MIA5:40 pmMiami

May 2

MIA11:22 amMiami

2h 41m

DCA2:03 pmWashington, D.C. Reagan-National

$177

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Fri 5/8

7:27 pm-10:12 pm

Nonstop2h 45m

Miami

Thu 5/14

3:55 pm-6:42 pm

Nonstop2h 47m

$106

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 4/11

7:48 pm-10:46 pm

Nonstop2h 58m

Miami

Sat 4/18

8:00 am-10:51 am

Nonstop2h 51m

$108

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Tue 5/26

7:27 pm-10:12 pm

Nonstop2h 45m

Miami

Tue 6/2

6:11 pm-7:43 am

1 stop13h 32m

$109

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Wed 4/15

5:49 pm-12:49 am

1 stop7h 00m

Miami

Thu 4/16

5:30 am-8:20 am

Nonstop2h 50m

$110

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 5/2

5:53 pm-12:49 am

1 stop6h 56m

Miami

Fri 5/8

3:55 pm-6:42 pm

Nonstop2h 47m

$111

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 4/11

7:48 pm-10:46 pm

Nonstop2h 58m

Miami

Tue 4/14

9:45 pm-10:00 am

1 stop12h 15m

$115

Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/22

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Tue 4/28

11:22 am-2:03 pm

Nonstop2h 41m

$159

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

7:00 am-1:30 pm

1 stop6h 30m

Key West

Wed 5/20

1:22 pm-7:45 pm

1 stop6h 23m

$309

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 4/8

8:20 am-11:24 am

Nonstop3h 04m

Key West

Wed 4/15

12:04 pm-2:52 pm

Nonstop2h 48m

$314

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/16

6:25 am-4:30 pm

2 stops10h 05m

Key West

Wed 5/20

4:20 pm-11:59 pm

1 stop7h 39m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Washington, D.C. averaging around $191.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Washington, D.C. to Florida Keys is on a Monday when prices can be found for as low as $166. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $258.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Washington, D.C. to Florida Keys in the afternoon for as low as $137. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $287.

What is the cheapest Washington, D.C. to Florida Keys flight route?

Fly from Washington, D.C. Dulles Intl to Key West for the best Washington, D.C. - Florida Keys flight prices

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $226 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Washington, D.C. for as low as $176 on momondo.

What cabin class options are available on Washington, D.C. to Florida Keys flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Florida Keys flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Florida Keys.

Cheap Washington, D.C. to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Florida Keys

Fastest flight time	2h 35m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Washington, D.C. to Florida Keys takes 2h 35m

Direct flights go from Washington, D.C. to Florida Keys every day.

There are 3 airports in Florida Keys. From Washington, D.C. there are direct flights to Miami (MIA).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Florida Keys?
Prices for flights from Washington, D.C. to Florida Keys are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Florida Keys?
The number of operators available for flights from Washington, D.C. to Florida Keys is 8 as of March 2026.
How old do you have to be to fly from Washington, D.C. to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Florida Keys is Airbus A320-100/200, representing 11.92% of all bookings. The subsequent popular models are Airbus A320neo at 11.29%, Boeing 777 at 11.11%, and Airbus A321neo at 7.86%.

Best airlines flying from Washington, D.C. to Florida Keys

Compare and see reviews for airlines that fly from Washington, D.C. to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,552 reviews	Search Spirit Airlines flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,357 reviews	Search Delta flights
American Airlines	PriceFrom $255	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,500 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Florida Keys?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Florida Keys for you.

Can I find flights from Washington, D.C. to Florida Keys with flexible booking policies on momondo?

Flights from Washington, D.C. to Florida Keys with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Florida Keys?

Once all potential Washington, D.C. to Florida Keys flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Florida Keys right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Florida Keys now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Florida Keys and let you know when they change.