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 70% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

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 22 per day as of June 2026. The most frequent departure time is 8:00AM, with 83% of daily flights leaving at noon.

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

155 flights are operational weekly from Washington, D.C. to Florida Keys as of June 2026. The most popular departure day for this route is Fri, with 20% of flights per week taking off on this day.

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

On average, it takes 9h 12m 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 05m.

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

Southwest, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Florida Keys

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 6 as of June 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.

$49 Cheap Flights from Washington, D.C. to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

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 - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$108Frontier

Tue, Jul 28 - Wed, Jul 29

7:27 pm - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$109Frontier

Mon, Jul 13 - Wed, Jul 15

7:27 pm - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$110Frontier

Mon, Jul 13 - Thu, Jul 16

7:27 pm - 10:19 pm

BWI

MIA

2h 52mnonstop

3:39 pm - 6:32 pm

MIA

BWI

2h 53mnonstop

$111Frontier

Fri, Jul 10 - Thu, Jul 16

8:40 pm - 11:28 pm

DCA

MIA

2h 48mnonstop

1:42 pm - 4:26 pm

MIA

DCA

2h 44mnonstop

$199American Airlines

Sat, Jul 25 - Thu, Jul 30

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

1:35 pm - 4:21 pm

DCA

MIA

2h 46mnonstop

11:15 am - 1:49 pm

MIA

DCA

2h 34mnonstop

$207Delta

Thu, Sep 24 - Sun, Sep 27

2:43 pm - 5:33 pm

DCA

MIA

2h 50mnonstop

6:25 am - 12:42 pm

MIA

DCA

6h 17m

1 stop

$209Delta

Sat, Jul 25 - Thu, Jul 30

9:52 pm - 11:35 am

BWI

EYW

13h 43m

1 stop

12:59 pm - 4:12 pm

EYW

BWI

27h 13m

2 stops

$214Multiple Airlines

Sat, Sep 19 - Fri, Sep 25

9:52 pm - 11:35 am

BWI

EYW

13h 43m

1 stop

10:59 am - 9:28 am

EYW

BWI

22h 29m

1 stop

$228Multiple Airlines

Sat, Sep 19 - Fri, Sep 25

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

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

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

Delta

Jul 11

DCA2:43 pmWashington, D.C. Reagan-National

2h 50m

MIA5:33 pmMiami

Jul 16

MIA11:22 amMiami

2h 43m

DCA2:05 pmWashington, D.C. Reagan-National

$199

Delta

Sep 28

DCA1:35 pmWashington, D.C. Reagan-National

2h 46m

MIA4:21 pmMiami

Oct 6

MIA11:20 amMiami

2h 36m

DCA1:56 pmWashington, D.C. Reagan-National

$203

Delta

Sep 24

DCA1:35 pmWashington, D.C. Reagan-National

2h 46m

MIA4:21 pmMiami

Sep 27

MIA11:15 amMiami

2h 34m

DCA1:49 pmWashington, D.C. Reagan-National

$207

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

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

Frontier

Jul 10

BWI7:27 pmBaltimore/Washington

2h 52m

MIA10:19 pmMiami

Jul 16

MIA3:39 pmMiami

2h 53m

BWI6:32 pmBaltimore/Washington

$108

Frontier

Jul 13

BWI7:27 pmBaltimore/Washington

2h 52m

MIA10:19 pmMiami

Jul 15

MIA3:39 pmMiami

2h 53m

BWI6:32 pmBaltimore/Washington

$109

Frontier

Jul 13

BWI7:27 pmBaltimore/Washington

2h 52m

MIA10:19 pmMiami

Jul 16

MIA3:39 pmMiami

2h 53m

BWI6:32 pmBaltimore/Washington

$110

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

Tue 7/28

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Wed 7/29

3:39 pm-6:32 pm

Nonstop2h 53m

$108

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 7/13

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Wed 7/15

3:39 pm-6:32 pm

Nonstop2h 53m

$109

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 7/13

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Thu 7/16

3:39 pm-6:32 pm

Nonstop2h 53m

$110

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Fri 7/10

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Thu 7/16

3:39 pm-6:32 pm

Nonstop2h 53m

$111

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 7/25

8:40 pm-11:28 pm

Nonstop2h 48m

Miami

Thu 7/30

1:42 pm-4:26 pm

Nonstop2h 44m

$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

Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Thu 9/24

1:35 pm-4:21 pm

Nonstop2h 46m

Miami

Sun 9/27

11:15 am-1:49 pm

Nonstop2h 34m

$207

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 7/25

2:43 pm-5:33 pm

Nonstop2h 50m

Miami

Thu 7/30

6:25 am-12:42 pm

1 stop6h 17m

$209

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sat 9/19

9:52 pm-11:35 am

1 stop13h 43m

Key West

Fri 9/25

12:59 pm-4:12 pm

2 stops27h 13m

$214

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sat 9/19

9:52 pm-11:35 am

1 stop13h 43m

Key West

Fri 9/25

10:59 am-9:28 am

1 stop22h 29m

$228

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 January is another great option to travel to Florida Keys, with average flight prices from Washington, D.C. averaging around $227.

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 $173. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $291.

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 $135. 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 $300.

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

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

How far in advance should I book a flight from Washington, D.C. 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 $247 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 $189 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

Frequently asked questions about flying from Washington, D.C. to Florida Keys

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 6 as of June 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 11.33% of all bookings. The subsequent popular models are Airbus A321neo at 10.86%, Airbus A320neo at 10.35%, and Boeing 777 at 9.88%.

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
Delta	PriceFrom $248	Free Cancellation	Rating 7.8 8,449 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.1 11,768 reviews	Search American Airlines flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,894 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.