Cheap flights from Washington, D.C. to Florida Keys from $32

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 8/17. 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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0 bags

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

Cheap round-trip flights

Frontier Logo
2:31 pm - 5:20 pmBWI-MIA
2h 49mnonstop
Frontier Logo
4:01 pm - 6:50 pmMIA-BWI
2h 49mnonstop
$64Frontier
Find Deal
Mon, Sep 1 - Fri, Sep 5
Frontier Logo
7:48 pm - 10:42 pmBWI-MIA
2h 54mnonstop
Frontier Logo
4:01 pm - 6:50 pmMIA-BWI
2h 49mnonstop
$66Frontier
Find Deal
Thu, Sep 25 - Sat, Sep 27
Spirit Airlines Logo
5:30 pm - 8:24 pmBWI-MIA
2h 54mnonstop
Spirit Airlines Logo
9:29 pm - 11:59 pmMIA-BWI
2h 30mnonstop
$73Spirit Airlines
Find Deal
Sat, Aug 23 - Thu, Aug 28
Spirit Airlines Logo
5:30 pm - 8:24 pmBWI-MIA
2h 54mnonstop
Spirit Airlines Logo
9:29 pm - 11:59 pmMIA-BWI
2h 30mnonstop
$76Spirit Airlines
Find Deal
Sun, Aug 17 - Sat, Aug 30
Delta Logo
2:55 pm - 5:44 pmDCA-MIA
2h 49mnonstop
Delta Logo
11:15 am - 1:45 pmMIA-DCA
2h 30mnonstop
$147Delta
Find Deal
Tue, Sep 30 - Tue, Oct 7
American Airlines Logo
6:01 pm - 8:50 pmDCA-MIA
2h 49mnonstop
American Airlines Logo
8:51 pm - 11:20 pmMIA-DCA
2h 29mnonstop
$155American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
Delta Logo
2:59 pm - 5:45 pmDCA-MIA
2h 46mnonstop
Delta Logo
11:29 am - 2:00 pmMIA-DCA
2h 31mnonstop
$157Delta
Find Deal
Wed, Sep 10 - Mon, Sep 15
American Airlines Logo
6:00 am - 8:47 amDCA-MIA
2h 47mnonstop
American Airlines Logo
9:50 am - 12:21 pmMIA-DCA
2h 31mnonstop
$159American Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
United Airlines Logo
8:25 am - 11:16 amIAD-MIA
2h 51mnonstop
United Airlines Logo
1:15 pm - 3:50 pmMIA-IAD
2h 35mnonstop
$167United Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
United Airlines Logo
6:00 am - 2:14 pmDCA-EYW
8h 14m1 stop
United Airlines Logo
3:50 pm - 9:36 pmEYW-DCA
5h 46m1 stop
$325United Airlines
Find Deal
Sat, Aug 30 - Thu, Sep 4

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
Nov 8
DCA6:01 pmWashington, D.C. Reagan-National
2h 49m
MIA8:50 pmMiami
Nov 12
MIA8:51 pmMiami
2h 29m
DCA11:20 pmWashington, D.C. Reagan-National
American Airlines
Oct 4
DCA6:00 amWashington, D.C. Reagan-National
2h 47m
MIA8:47 amMiami
Oct 8
MIA9:50 amMiami
2h 31m
DCA12:21 pmWashington, D.C. Reagan-National
American Airlines
Sep 20
DCA3:55 pmWashington, D.C. Reagan-National
2h 41m
MIA6:36 pmMiami
Sep 28
MIA8:27 pmMiami
2h 33m
DCA11:00 pmWashington, D.C. Reagan-National

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

Our best Southwest deals on Washington, D.C. to Florida Keys flight tickets
Southwest
Sep 3
DCA2:10 pmWashington, D.C. Reagan-National
7h 35m
1 stop
MIA9:45 pmMiami
Sep 5
MIA7:35 amMiami
7h 25m
1 stop
DCA3:00 pmWashington, D.C. Reagan-National
Southwest
Sep 3
DCA11:55 amWashington, D.C. Reagan-National
8h 45m
2 stops
MIA8:40 pmMiami
Sep 6
MIA5:50 amMiami
5h 40m
1 stop
DCA11:30 amWashington, D.C. Reagan-National
Southwest
Oct 29
DCA1:30 pmWashington, D.C. Reagan-National
8h 25m
2 stops
MIA9:55 pmMiami
Nov 2
MIA5:55 amMiami
4h 05m
1 stop
DCA10:00 amWashington, D.C. Reagan-National

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 July 31, 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

Mon 9/1

2:31 pm-5:20 pm

Nonstop2h 49m

Miami

Fri 9/5

4:01 pm-6:50 pm

Nonstop2h 49m

$64

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Thu 9/25

7:48 pm-10:42 pm

Nonstop2h 54m

Miami

Sat 9/27

4:01 pm-6:50 pm

Nonstop2h 49m

$66

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 8/23

5:30 pm-8:24 pm

Nonstop2h 54m

Miami

Thu 8/28

9:29 pm-11:59 pm

Nonstop2h 30m

$73

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sun 8/17

5:30 pm-8:24 pm

Nonstop2h 54m

Miami

Sat 8/30

9:29 pm-11:59 pm

Nonstop2h 30m

$76

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 9/30

2:55 pm-5:44 pm

Nonstop2h 49m

Miami

Tue 10/7

11:15 am-1:45 pm

Nonstop2h 30m

$147

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 11/8

6:01 pm-8:50 pm

Nonstop2h 49m

Miami

Wed 11/12

8:51 pm-11:20 pm

Nonstop2h 29m

$155

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 9/10

2:59 pm-5:45 pm

Nonstop2h 46m

Miami

Mon 9/15

11:29 am-2:00 pm

Nonstop2h 31m

$157

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 10/4

6:00 am-8:47 am

Nonstop2h 47m

Miami

Wed 10/8

9:50 am-12:21 pm

Nonstop2h 31m

$159

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sat 9/27

8:25 am-11:16 am

Nonstop2h 51m

Miami

Mon 9/29

1:15 pm-3:50 pm

Nonstop2h 35m

$167

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 8/30

6:00 am-2:14 pm

1 stop8h 14m

Key West

Thu 9/4

3:50 pm-9:36 pm

1 stop5h 46m

$325

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 $252. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $398.

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 $153. 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 $467.

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 $217 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 $150 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

Best Price Found

$32

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Florida Keys

1 airport
The best one-way flight to Florida Keys from Washington, D.C. in the past 72 hours is $32. The best round-trip flight deal from Washington, D.C. to Florida Keys found on momondo in the last 72 hours is $64.
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 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
DeltaPriceFrom $175Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 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
Tue 8/5
Tue 8/12

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Popular cities in Florida Keys

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