Cheap flights from Washington, D.C. to Florida Keys from $44

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 2/15. 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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0 bags

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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
3:14 pm - 6:06 pm
BWI
-
MIA
2h 52mnonstop
Frontier Logo
8:15 am - 11:06 am
MIA
-
BWI
2h 51mnonstop
$92Frontier
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
3:14 pm - 6:06 pm
BWI
-
MIA
2h 52mnonstop
Frontier Logo
8:15 am - 11:06 am
MIA
-
BWI
2h 51mnonstop
$93Frontier
Sat, Feb 21 - Sat, Feb 28
Multiple Airlines Logo
8:10 pm - 11:04 pm
BWI
-
MIA
2h 54mnonstop
Multiple Airlines Logo
7:05 am - 2:24 pm
MIA
-
BWI
7h 19m
1 stop
$94Multiple Airlines
Sat, Mar 7 - Wed, Mar 11
Delta Logo
3:00 pm - 5:40 pm
DCA
-
MIA
2h 40mnonstop
Delta Logo
11:20 am - 2:01 pm
MIA
-
DCA
2h 41mnonstop
$127Delta
Sat, May 2 - Wed, May 6
Delta Logo
1:45 pm - 4:37 pm
DCA
-
MIA
2h 52mnonstop
Delta Logo
11:20 am - 2:00 pm
MIA
-
DCA
2h 40mnonstop
$137Delta
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
6:59 am - 10:03 am
DCA
-
MIA
3h 04mnonstop
American Airlines Logo
4:31 pm - 7:14 pm
MIA
-
DCA
2h 43mnonstop
$142American Airlines
Wed, Apr 1 - Wed, Apr 8
Spirit Airlines Logo
4:05 pm - 11:30 am
BWI
-
EYW
19h 25m
1 stop
Spirit Airlines Logo
12:25 pm - 9:14 am
EYW
-
BWI
20h 49m
1 stop
$201Spirit Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
12:50 pm - 4:07 pm
IAD
-
EYW
3h 17mnonstop
United Airlines Logo
6:28 pm - 9:18 pm
EYW
-
IAD
2h 50mnonstop
$304United Airlines
Fri, Feb 27 - Thu, Mar 5
American Airlines Logo
8:20 am - 11:26 am
DCA
-
EYW
3h 06mnonstop
American Airlines Logo
6:34 pm - 11:59 pm
EYW
-
DCA
5h 25m
1 stop
$306American Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
6:00 am - 1:23 pm
IAD
-
EYW
7h 23m
1 stop
United Airlines Logo
6:28 pm - 9:18 pm
EYW
-
IAD
2h 50mnonstop
$310United Airlines
Tue, Mar 10 - Tue, Mar 17

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

Our best United Airlines deals on Washington, D.C. to Florida Keys flight tickets
United Airlines
Apr 12
IAD8:35 amWashington, D.C. Dulles Intl
2h 56m
MIA11:31 amMiami
Apr 18
MIA6:00 pmMiami
2h 49m
IAD8:49 pmWashington, D.C. Dulles Intl
$149
United Airlines
Feb 28
IAD1:20 pmWashington, D.C. Dulles Intl
3h 01m
MIA4:21 pmMiami
Mar 12
MIA6:34 pmMiami
2h 50m
IAD9:24 pmWashington, D.C. Dulles Intl
$154
United Airlines
Mar 2
IAD1:20 pmWashington, D.C. Dulles Intl
3h 01m
MIA4:21 pmMiami
Mar 12
MIA6:34 pmMiami
2h 50m
IAD9:24 pmWashington, D.C. Dulles Intl
$157

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

Our best Frontier deals on Washington, D.C. to Florida Keys flight tickets
Frontier
Feb 21
BWI3:14 pmBaltimore/Washington
2h 52m
MIA6:06 pmMiami
Feb 28
MIA8:15 amMiami
2h 51m
BWI11:06 amBaltimore/Washington
$92
Frontier
Feb 21
BWI3:14 pmBaltimore/Washington
2h 52m
MIA6:06 pmMiami
Feb 26
MIA8:00 amMiami
2h 51m
BWI10:51 amBaltimore/Washington
$93
Frontier
Mar 5
BWI9:13 pmBaltimore/Washington
2h 53m
MIA12:06 amMiami
Mar 12
MIA5:01 amMiami
2h 44m
BWI7:45 amBaltimore/Washington
$95

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 February 11, 2026.
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

Sat 2/21

3:14 pm-6:06 pm

Nonstop2h 52m

Miami

Sat 2/28

8:15 am-11:06 am

Nonstop2h 51m

$92

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 2/21

3:14 pm-6:06 pm

Nonstop2h 52m

Miami

Sat 2/28

8:15 am-11:06 am

Nonstop2h 51m

$93

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Sat 3/7

8:10 pm-11:04 pm

Nonstop2h 54m

Miami

Wed 3/11

7:05 am-2:24 pm

1 stop7h 19m

$94

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 5/2

3:00 pm-5:40 pm

Nonstop2h 40m

Miami

Wed 5/6

11:20 am-2:01 pm

Nonstop2h 41m

$127

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 3/11

1:45 pm-4:37 pm

Nonstop2h 52m

Miami

Wed 3/18

11:20 am-2:00 pm

Nonstop2h 40m

$137

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/1

6:59 am-10:03 am

Nonstop3h 04m

Miami

Wed 4/8

4:31 pm-7:14 pm

Nonstop2h 43m

$142

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Tue 3/17

4:05 pm-11:30 am

1 stop19h 25m

Key West

Tue 3/24

12:25 pm-9:14 am

1 stop20h 49m

$201

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Fri 2/27

12:50 pm-4:07 pm

Nonstop3h 17m

Key West

Thu 3/5

6:28 pm-9:18 pm

Nonstop2h 50m

$304

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 3/10

8:20 am-11:26 am

Nonstop3h 06m

Key West

Tue 3/17

6:34 pm-11:59 pm

1 stop5h 25m

$306

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 3/10

6:00 am-1:23 pm

1 stop7h 23m

Key West

Tue 3/17

6:28 pm-9:18 pm

Nonstop2h 50m

$310

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 August is another great option to travel to Florida Keys, with average flight prices from Washington, D.C. averaging around $192.

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 $237.

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 $139. 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 $285.

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 $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 $170 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).
  • 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
8,442 reviews
Search Spirit Airlines flights
DeltaPriceFrom $175Free CancellationRating
7.9
8,180 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,273 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,265 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
Fri 3/13
Fri 3/20

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