Cheap flights from Washington, D.C. to Florida Keys from $42

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:51 pm - 9:46 pmBWI-MIA
2h 55mnonstop
Frontier Logo
7:00 am - 2:06 pmMIA-BWI
7h 06m1 stop
$84Frontier
Find Deal
ن, ديسمبر 8 - ن, ديسمبر 15
Frontier Logo
5:52 pm - 8:47 pmBWI-MIA
2h 55mnonstop
Frontier Logo
7:00 am - 2:06 pmMIA-BWI
7h 06m1 stop
$85Frontier
Find Deal
س, ديسمبر 6 - ن, ديسمبر 8
Spirit Airlines Logo
10:22 am - 6:44 pmBWI-MIA
8h 22m1 stop
Spirit Airlines Logo
4:09 pm - 11:19 pmMIA-BWI
7h 10m1 stop
$117Spirit Airlines
Find Deal
ث, نوفمبر 18 - س, نوفمبر 22
Spirit Airlines Logo
9:36 pm - 11:23 amBWI-MIA
37h 47m2 stops
Spirit Airlines Logo
4:09 pm - 11:19 pmMIA-BWI
7h 10m1 stop
$126Spirit Airlines
Find Deal
ث, نوفمبر 18 - س, نوفمبر 22
Delta Logo
2:25 pm - 5:17 pmDCA-MIA
2h 52mnonstop
Delta Logo
11:24 am - 1:59 pmMIA-DCA
2h 35mnonstop
$133Delta
Find Deal
ر, ديسمبر 3 - ر, ديسمبر 10
American Airlines Logo
6:00 pm - 8:52 pmDCA-MIA
2h 52mnonstop
American Airlines Logo
10:04 am - 12:41 pmMIA-DCA
2h 37mnonstop
$135American Airlines
Find Deal
ث, ديسمبر 2 - ث, ديسمبر 9
American Airlines Logo
5:00 am - 7:58 amDCA-MIA
2h 58mnonstop
American Airlines Logo
6:26 am - 9:00 amMIA-DCA
2h 34mnonstop
$137American Airlines
Find Deal
ح, يناير 18 - خ, يناير 22
Delta Logo
2:35 pm - 5:33 pmDCA-MIA
2h 58mnonstop
Delta Logo
11:21 am - 2:00 pmMIA-DCA
2h 39mnonstop
$140Delta
Find Deal
ث, يناير 20 - ج, يناير 23
United Airlines Logo
1:00 pm - 4:22 pmIAD-EYW
3h 22mnonstop
United Airlines Logo
2:25 pm - 9:13 pmEYW-IAD
6h 48m1 stop
$287United Airlines
Find Deal
ن, يناير 26 - ج, يناير 30
United Airlines Logo
1:00 pm - 4:22 pmIAD-EYW
3h 22mnonstop
United Airlines Logo
2:05 pm - 9:22 pmEYW-IAD
7h 17m1 stop
$296United Airlines
Find Deal
ث, يناير 27 - س, يناير 31

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

Our best Southwest deals on Washington, D.C. to Florida Keys flight tickets
Southwest
Dec 15
BWI1:25 pmBaltimore/Washington
2h 45m
MIA4:10 pmMiami
Dec 18
MIA6:00 amMiami
2h 35m
BWI8:35 amBaltimore/Washington
Southwest
Dec 2
BWI6:00 pmBaltimore/Washington
2h 45m
MIA8:45 pmMiami
Dec 9
MIA7:10 amMiami
2h 35m
BWI9:45 amBaltimore/Washington
Southwest
Jan 20
BWI6:15 pmBaltimore/Washington
2h 45m
MIA9:00 pmMiami
Jan 22
MIA7:55 amMiami
9h 00m
2 stops
BWI4:55 pmBaltimore/Washington

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

Our best Spirit Airlines deals on Washington, D.C. to Florida Keys flight tickets
Spirit Airlines
Nov 18
BWI10:22 amBaltimore/Washington
8h 22m
1 stop
MIA6:44 pmMiami
Nov 22
MIA4:09 pmMiami
7h 10m
1 stop
BWI11:19 pmBaltimore/Washington
Spirit Airlines
Nov 18
BWI10:22 amBaltimore/Washington
8h 22m
1 stop
MIA6:44 pmMiami
Nov 21
MIA12:28 pmMiami
10h 51m
1 stop
BWI11:19 pmBaltimore/Washington
Spirit Airlines
Nov 18
BWI9:36 pmBaltimore/Washington
37h 47m
2 stops
MIA11:23 amMiami
Nov 22
MIA4:09 pmMiami
7h 10m
1 stop
BWI11:19 pmBaltimore/Washington

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated نوفمبر 5, 2025.
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

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

ن 12/8

6:51 pm-9:46 pm

Nonstop2h 55m

Miami

ن 12/15

7:00 am-2:06 pm

1 stop7h 06m

$84

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

س 12/6

5:52 pm-8:47 pm

Nonstop2h 55m

Miami

ن 12/8

7:00 am-2:06 pm

1 stop7h 06m

$85

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

ث 11/18

10:22 am-6:44 pm

1 stop8h 22m

Miami

س 11/22

4:09 pm-11:19 pm

1 stop7h 10m

$117

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

ث 11/18

9:36 pm-11:23 am

2 stops37h 47m

Miami

س 11/22

4:09 pm-11:19 pm

1 stop7h 10m

$126

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

ر 12/3

2:25 pm-5:17 pm

Nonstop2h 52m

Miami

ر 12/10

11:24 am-1:59 pm

Nonstop2h 35m

$133

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

ث 12/2

6:00 pm-8:52 pm

Nonstop2h 52m

Miami

ث 12/9

10:04 am-12:41 pm

Nonstop2h 37m

$135

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

ح 1/18

5:00 am-7:58 am

Nonstop2h 58m

Miami

خ 1/22

6:26 am-9:00 am

Nonstop2h 34m

$137

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

ث 1/20

2:35 pm-5:33 pm

Nonstop2h 58m

Miami

ج 1/23

11:21 am-2:00 pm

Nonstop2h 39m

$140

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

ن 1/26

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

ج 1/30

2:25 pm-9:13 pm

1 stop6h 48m

$287

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

ث 1/27

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

س 1/31

2:05 pm-9:22 pm

1 stop7h 17m

$296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

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

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 $152.

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 $201. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $261.

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 evening. momondo users have found flights departing from Washington, D.C. to Florida Keys in the evening for as low as $176. 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 $318.

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 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 $266 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 2 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 39m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from Washington, D.C. to Florida Keys takes 2h 39m
Direct flights go from Washington, D.C. to Florida Keys every day.
There is 1 airport near Florida Keys: Miami (MIA)
  • 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?

  • 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?

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 AirlinesPriceFrom $105Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
DeltaPriceFrom $117Free CancellationRating
7.9
8,003 reviews
Search Delta flights
United AirlinesPriceFrom $173Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,040 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.

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1 adult
ج 12/5
ج 12/12

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