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

226 flights are operational weekly from Washington, D.C. to Florida Keys as of December 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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 71% 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.

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 32 per day as of December 2025. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.

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

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

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

On average, it takes 18h 10m to fly from Washington, D.C. to Florida Keys if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into Incheon Intl Airport (the most popular airport in Florida Keys). If you’re flying out of Washington, D.C. and into Incheon Intl Airport, then the flight time is around 18h 43m.

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 December 2025.

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.

$45 Cheap Flights from Washington, D.C. to Florida Keys in 2025/26

1 adult

0 bags

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

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.

11:04 am - 1:49 pm

IAD

MIA

2h 45mnonstop

11:19 am - 2:03 pm

MIA

IAD

2h 44mnonstop

$79Frontier

Sat, Jan 3 - Sat, Jan 17

2:58 pm - 5:50 pm

IAD

MIA

2h 52mnonstop

12:19 pm - 3:03 pm

MIA

IAD

2h 44mnonstop

$81Frontier

Sat, Jan 17 - Mon, Jan 26

11:04 am - 1:49 pm

IAD

MIA

2h 45mnonstop

10:22 am - 1:01 pm

MIA

IAD

2h 39mnonstop

$82Frontier

Sat, Jan 3 - Thu, Jan 8

7:59 pm - 10:56 pm

DCA

MIA

2h 57mnonstop

6:26 am - 9:00 am

MIA

DCA

2h 34mnonstop

$127American Airlines

Sat, Jan 10 - Sat, Jan 17

5:55 am - 8:53 am

DCA

MIA

2h 58mnonstop

5:51 pm - 8:30 pm

MIA

DCA

2h 39mnonstop

$128American Airlines

Tue, Feb 3 - Tue, Feb 10

2:35 pm - 5:33 pm

DCA

MIA

2h 58mnonstop

11:21 am - 2:00 pm

MIA

DCA

2h 39mnonstop

$131Delta

Mon, Jan 12 - Wed, Jan 21

2:55 pm - 5:53 pm

DCA

MIA

2h 58mnonstop

11:21 am - 2:00 pm

MIA

DCA

2h 39mnonstop

$134Delta

Sat, Jan 10 - Wed, Jan 14

6:20 am - 1:30 pm

BWI

EYW

7h 10m1 stop

2:25 pm - 7:03 pm

EYW

BWI

4h 38m1 stop

$188Spirit Airlines

Mon, Jan 19 - Fri, Jan 23

8:20 am - 5:02 pm

IAD

EYW

8h 42m1 stop

6:05 pm - 8:53 pm

EYW

IAD

2h 48mnonstop

$289United Airlines

Sat, Jan 3 - Fri, Jan 9

1:00 pm - 4:22 pm

IAD

EYW

3h 22mnonstop

6:05 pm - 8:53 pm

EYW

IAD

2h 48mnonstop

$297United Airlines

Tue, Jan 13 - Fri, Jan 16

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

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

Frontier

Jan 3

IAD11:04 amWashington, D.C. Dulles Intl

2h 45m

MIA1:49 pmMiami

Jan 17

MIA11:19 amMiami

2h 44m

IAD2:03 pmWashington, D.C. Dulles Intl

$79

Find similar

Frontier

Jan 11

IAD1:46 pmWashington, D.C. Dulles Intl

2h 53m

MIA4:39 pmMiami

Jan 23

MIA5:14 pmMiami

2h 44m

IAD7:58 pmWashington, D.C. Dulles Intl

$80

Find similar

Frontier

Jan 17

IAD2:58 pmWashington, D.C. Dulles Intl

2h 52m

MIA5:50 pmMiami

Jan 26

MIA12:19 pmMiami

2h 44m

IAD3:03 pmWashington, D.C. Dulles Intl

$81

Find similar

American Airlines flights from Washington, D.C. to Florida Keys

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

American Airlines

Jan 10

DCA7:59 pmWashington, D.C. Reagan-National

2h 57m

MIA10:56 pmMiami

Jan 17

MIA6:26 amMiami

2h 34m

DCA9:00 amWashington, D.C. Reagan-National

$127

Find similar

American Airlines

Feb 3

DCA5:55 amWashington, D.C. Reagan-National

2h 58m

MIA8:53 amMiami

Feb 10

MIA5:51 pmMiami

2h 39m

DCA8:30 pmWashington, D.C. Reagan-National

$128

Find similar

American Airlines

Feb 10

DCA8:20 amWashington, D.C. Reagan-National

3h 05m

MIA11:25 amMiami

Feb 18

MIA11:04 amMiami

2h 40m

DCA1:44 pmWashington, D.C. Reagan-National

$142

Find similar

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

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 1/3

11:04 am-1:49 pm

Nonstop2h 45m

Miami

Sat 1/17

11:19 am-2:03 pm

Nonstop2h 44m

$79

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 1/17

2:58 pm-5:50 pm

Nonstop2h 52m

Miami

Mon 1/26

12:19 pm-3:03 pm

Nonstop2h 44m

$81

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 1/3

11:04 am-1:49 pm

Nonstop2h 45m

Miami

Thu 1/8

10:22 am-1:01 pm

Nonstop2h 39m

$82

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 1/10

7:59 pm-10:56 pm

Nonstop2h 57m

Miami

Sat 1/17

6:26 am-9:00 am

Nonstop2h 34m

$127

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 2/3

5:55 am-8:53 am

Nonstop2h 58m

Miami

Tue 2/10

5:51 pm-8:30 pm

Nonstop2h 39m

$128

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 1/12

2:35 pm-5:33 pm

Nonstop2h 58m

Miami

Wed 1/21

11:21 am-2:00 pm

Nonstop2h 39m

$131

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 1/10

2:55 pm-5:53 pm

Nonstop2h 58m

Miami

Wed 1/14

11:21 am-2:00 pm

Nonstop2h 39m

$134

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Mon 1/19

6:20 am-1:30 pm

1 stop7h 10m

Key West

Fri 1/23

2:25 pm-7:03 pm

1 stop4h 38m

$188

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 1/3

8:20 am-5:02 pm

1 stop8h 42m

Key West

Fri 1/9

6:05 pm-8:53 pm

Nonstop2h 48m

$289

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 1/13

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

Fri 1/16

6:05 pm-8:53 pm

Nonstop2h 48m

$297

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 $146.

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 Sunday 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 $257.

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 $154. 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 $291.

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 $241 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 $179 on momondo.

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

There are 3 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 December 2025.
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 A320neo, representing 13.46% of all bookings. The subsequent popular models are Airbus A320-100/200 at 8.63%, Boeing 777 at 8.06%, and Airbus A321neo at 8.03%.

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 8,193 reviews	Search Spirit Airlines flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
United Airlines	PriceFrom $186	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,052 reviews	Search American 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.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 1/21

Wed 1/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $38

Flights to Miamifrom $49

Flights to Chicagofrom $44

Flights to Orlandofrom $29

Flights to San Franciscofrom $49

Flights to Las Vegasfrom $39

Flights to Washington, D.C.from $58

Flights to Bostonfrom $50

Flights to Atlantafrom $46

Flights to Dallasfrom $51

Flights to Seattlefrom $62

Washington, D.C. flight routes

Flights from Baltimore/Washington to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Baltimore/Washington to Orlando

Flights from Washington, D.C. Dulles Intl to Tampa

Flights from Baltimore/Washington to Chicago O'Hare Intl

Cheap flights from Washington, D.C. to Florida Keys from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Florida Keys departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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

American Airlines flights from Washington, D.C. to Florida Keys

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

momondo Fare Finder

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

See travel insights to Florida Keys from

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

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 $146.

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 Sunday 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 $257.

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

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?

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

There are 3 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.

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

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

What airlines fly to Florida Keys?

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 32 per day as of December 2025. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.

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

226 flights are operational weekly from Washington, D.C. to Florida Keys as of December 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

How long is the flight from 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

Direct flights

Airports in Florida Keys

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

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

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

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

What is the most popular plane model from Washington, D.C. to Florida Keys?

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

Why use momondo?

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

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

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

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

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo