Cheap flights from Washington, D.C. to Florida Keys from $49

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 6/1. 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
6:28 am - 1:49 pm
BWI
-
MIA
7h 21m
1 stop
Frontier Logo
3:40 pm - 6:32 pm
MIA
-
BWI
2h 52mnonstop
$102Frontier
Wed, Jun 10 - Wed, Jun 17
Frontier Logo
7:27 pm - 10:19 pm
BWI
-
MIA
2h 52mnonstop
Frontier Logo
3:39 pm - 6:32 pm
MIA
-
BWI
2h 53mnonstop
$103Frontier
Wed, Jul 8 - Wed, Jul 15
Frontier Logo
8:52 am - 4:31 pm
BWI
-
MIA
7h 39m
1 stop
Frontier Logo
3:40 pm - 6:32 pm
MIA
-
BWI
2h 52mnonstop
$104Frontier
Thu, Aug 27 - Tue, Sep 1
Delta Logo
2:45 pm - 5:32 pm
DCA
-
MIA
2h 47mnonstop
Delta Logo
11:24 am - 2:05 pm
MIA
-
DCA
2h 41mnonstop
$197Delta
Wed, Jun 10 - Wed, Jun 17
Delta Logo
12:00 pm - 5:40 pm
DCA
-
MIA
5h 40m
1 stop
Delta Logo
11:22 am - 2:05 pm
MIA
-
DCA
2h 43mnonstop
$207Delta
Sat, Jun 20 - Fri, Jul 10
Multiple Airlines Logo
9:59 pm - 11:25 am
BWI
-
EYW
13h 26m
1 stop
Multiple Airlines Logo
10:04 am - 12:11 am
EYW
-
BWI
14h 07m
2 stops
$215Multiple Airlines
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
9:52 pm - 10:19 am
BWI
-
EYW
12h 27m
1 stop
Multiple Airlines Logo
10:04 am - 12:11 am
EYW
-
BWI
14h 07m
2 stops
$217Multiple Airlines
Sat, Sep 12 - Wed, Sep 16
Southwest Logo
4:40 pm - 10:10 pm
DCA
-
MIA
5h 30m
1 stop
Southwest Logo
6:00 am - 2:00 pm
MIA
-
DCA
8h 00m
2 stops
$222Southwest
Tue, Jun 30 - Tue, Jul 14
American Airlines Logo
5:26 pm - 9:57 pm
DCA
-
MIA
4h 31m
1 stop
American Airlines Logo
7:17 pm - 10:00 pm
MIA
-
DCA
2h 43mnonstop
$224American Airlines
Mon, Jun 1 - Tue, Jun 9
American Airlines Logo
8:33 am - 11:48 am
DCA
-
EYW
3h 15mnonstop
American Airlines Logo
5:19 pm - 8:15 pm
EYW
-
DCA
2h 56mnonstop
$314American Airlines
Mon, Jul 20 - Sat, Jul 25

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
May 30
IAD8:45 amWashington, D.C. Dulles Intl
2h 50m
MIA11:35 amMiami
Jun 19
MIA5:22 pmMiami
5h 57m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
$222
United Airlines
May 30
IAD8:45 amWashington, D.C. Dulles Intl
2h 50m
MIA11:35 amMiami
Jun 2
MIA1:10 pmMiami
2h 43m
IAD3:53 pmWashington, D.C. Dulles Intl
$231
United Airlines
May 30
IAD8:15 amWashington, D.C. Dulles Intl
7h 59m
1 stop
MIA4:14 pmMiami
Jun 2
MIA1:10 pmMiami
2h 43m
IAD3:53 pmWashington, D.C. Dulles Intl
$241

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
May 30
DCA2:59 pmWashington, D.C. Reagan-National
2h 53m
MIA5:52 pmMiami
Jun 6
MIA6:25 pmMiami
2h 35m
DCA9:00 pmWashington, D.C. Reagan-National
$212
American Airlines
Jun 1
DCA5:26 pmWashington, D.C. Reagan-National
4h 31m
1 stop
MIA9:57 pmMiami
Jun 9
MIA7:17 pmMiami
2h 43m
DCA10:00 pmWashington, D.C. Reagan-National
$224
American Airlines
Jul 1
DCA7:13 pmWashington, D.C. Reagan-National
2h 47m
MIA10:00 pmMiami
Jul 8
MIA11:59 amMiami
2h 45m
DCA2:44 pmWashington, D.C. Reagan-National
$229

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 May 17, 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

Cheapest round-trip

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Wed 6/10

6:28 am-1:49 pm

1 stop7h 21m

Miami

Wed 6/17

3:40 pm-6:32 pm

Nonstop2h 52m

$102

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Wed 7/8

7:27 pm-10:19 pm

Nonstop2h 52m

Miami

Wed 7/15

3:39 pm-6:32 pm

Nonstop2h 53m

$103

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Thu 8/27

8:52 am-4:31 pm

1 stop7h 39m

Miami

Tue 9/1

3:40 pm-6:32 pm

Nonstop2h 52m

$104
Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 6/10

2:45 pm-5:32 pm

Nonstop2h 47m

Miami

Wed 6/17

11:24 am-2:05 pm

Nonstop2h 41m

$197

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 6/20

12:00 pm-5:40 pm

1 stop5h 40m

Miami

Fri 7/10

11:22 am-2:05 pm

Nonstop2h 43m

$207

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sat 9/5

9:59 pm-11:25 am

1 stop13h 26m

Key West

Wed 9/9

10:04 am-12:11 am

2 stops14h 07m

$215

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sat 9/12

9:52 pm-10:19 am

1 stop12h 27m

Key West

Wed 9/16

10:04 am-12:11 am

2 stops14h 07m

$217

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 6/30

4:40 pm-10:10 pm

1 stop5h 30m

Miami

Tue 7/14

6:00 am-2:00 pm

2 stops8h 00m

$222

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 6/1

5:26 pm-9:57 pm

1 stop4h 31m

Miami

Tue 6/9

7:17 pm-10:00 pm

Nonstop2h 43m

$224

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 7/20

8:33 am-11:48 am

Nonstop3h 15m

Key West

Sat 7/25

5:19 pm-8:15 pm

Nonstop2h 56m

$314

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 $228.

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 $275.

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 $137. 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 $292.

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 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 $232 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 $177 on momondo.

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).

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?

  • 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 $219Free CancellationRating
6.2
8,623 reviews
Search Spirit Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,731 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.

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1 adult
Tue 6/16
Tue 6/23

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