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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 10/27. 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

Spirit Airlines Logo
5:01 pm - 7:43 pmBWI-MIA
2h 42mnonstop
Spirit Airlines Logo
3:45 pm - 6:27 pmMIA-BWI
2h 42mnonstop
$78Spirit Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 17
Multiple Airlines Logo
5:01 pm - 7:43 pmBWI-MIA
2h 42mnonstop
Multiple Airlines Logo
8:50 am - 11:35 amMIA-BWI
2h 45mnonstop
$79Multiple Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Frontier Logo
12:00 pm - 2:55 pmBWI-MIA
2h 55mnonstop
Frontier Logo
4:01 pm - 6:50 pmMIA-BWI
2h 49mnonstop
$84Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Frontier Logo
12:00 pm - 2:55 pmBWI-MIA
2h 55mnonstop
Frontier Logo
4:01 pm - 6:50 pmMIA-BWI
2h 49mnonstop
$86Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
American Airlines Logo
5:55 pm - 8:46 pmDCA-MIA
2h 51mnonstop
American Airlines Logo
6:00 am - 8:26 amMIA-DCA
2h 26mnonstop
$117American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
United Airlines Logo
8:25 am - 11:16 amIAD-MIA
2h 51mnonstop
United Airlines Logo
12:51 pm - 3:25 pmMIA-IAD
2h 34mnonstop
$117United Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 30
American Airlines Logo
8:07 pm - 10:55 pmDCA-MIA
2h 48mnonstop
American Airlines Logo
8:35 pm - 11:06 pmMIA-DCA
2h 31mnonstop
$118American Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
8:25 am - 11:16 amIAD-MIA
2h 51mnonstop
United Airlines Logo
1:15 pm - 3:50 pmMIA-IAD
2h 35mnonstop
$127United Airlines
Find Deal
Mon, Sep 29 - Sat, Oct 4
Delta Logo
2:40 pm - 5:17 pmDCA-MIA
2h 37mnonstop
Delta Logo
11:15 am - 1:45 pmMIA-DCA
2h 30mnonstop
$131Delta
Find Deal
Mon, Oct 20 - Tue, Oct 28
Delta Logo
2:55 pm - 5:44 pmDCA-MIA
2h 49mnonstop
Delta Logo
11:15 am - 1:45 pmMIA-DCA
2h 30mnonstop
$134Delta
Find Deal
Mon, Sep 29 - Sat, Oct 11

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

Our best Frontier deals on Washington, D.C. to Florida Keys flight tickets
Frontier
Sep 22
BWI12:00 pmBaltimore/Washington
2h 55m
MIA2:55 pmMiami
Sep 26
MIA4:01 pmMiami
2h 49m
BWI6:50 pmBaltimore/Washington
$84
Find similar
Frontier
Sep 29
BWI12:00 pmBaltimore/Washington
2h 55m
MIA2:55 pmMiami
Oct 3
MIA4:01 pmMiami
2h 49m
BWI6:50 pmBaltimore/Washington
$86
Find similar
Frontier
Sep 26
BWI12:00 pmBaltimore/Washington
2h 55m
MIA2:55 pmMiami
Oct 12
MIA8:50 amMiami
2h 45m
BWI11:35 amBaltimore/Washington
$91
Find similar

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

Our best Delta deals on Washington, D.C. to Florida Keys flight tickets
Delta
Oct 20
DCA2:40 pmWashington, D.C. Reagan-National
2h 37m
MIA5:17 pmMiami
Oct 28
MIA11:15 amMiami
2h 30m
DCA1:45 pmWashington, D.C. Reagan-National
$131
Find similar
Delta
Sep 29
DCA2:55 pmWashington, D.C. Reagan-National
2h 49m
MIA5:44 pmMiami
Oct 11
MIA11:15 amMiami
2h 30m
DCA1:45 pmWashington, D.C. Reagan-National
$134
Find similar
Delta
Sep 29
DCA2:55 pmWashington, D.C. Reagan-National
2h 49m
MIA5:44 pmMiami
Oct 2
MIA11:29 amMiami
2h 31m
DCA2:00 pmWashington, D.C. Reagan-National
$137
Find similar

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 September 16, 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 10/13

5:01 pm-7:43 pm

Nonstop2h 42m

Miami

Fri 10/17

3:45 pm-6:27 pm

Nonstop2h 42m

$78

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Fri 10/24

5:01 pm-7:43 pm

Nonstop2h 42m

Miami

Mon 10/27

8:50 am-11:35 am

Nonstop2h 45m

$79

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Fri 10/3

12:00 pm-2:55 pm

Nonstop2h 55m

Miami

Mon 10/6

4:01 pm-6:50 pm

Nonstop2h 49m

$84

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 9/29

12:00 pm-2:55 pm

Nonstop2h 55m

Miami

Fri 10/3

4:01 pm-6:50 pm

Nonstop2h 49m

$86

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Fri 10/3

5:55 pm-8:46 pm

Nonstop2h 51m

Miami

Wed 10/8

6:00 am-8:26 am

Nonstop2h 26m

$117

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 10/1

8:25 am-11:16 am

Nonstop2h 51m

Miami

Thu 10/30

12:51 pm-3:25 pm

Nonstop2h 34m

$117

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Fri 10/3

8:07 pm-10:55 pm

Nonstop2h 48m

Miami

Mon 10/6

8:35 pm-11:06 pm

Nonstop2h 31m

$118

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 9/29

8:25 am-11:16 am

Nonstop2h 51m

Miami

Sat 10/4

1:15 pm-3:50 pm

Nonstop2h 35m

$127

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 10/20

2:40 pm-5:17 pm

Nonstop2h 37m

Miami

Tue 10/28

11:15 am-1:45 pm

Nonstop2h 30m

$131

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 9/29

2:55 pm-5:44 pm

Nonstop2h 49m

Miami

Sat 10/11

11:15 am-1:45 pm

Nonstop2h 30m

$134

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 $149.

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 Thursday when prices can be found for as low as $224. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $282.

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 at noon. momondo users have found flights departing from Washington, D.C. to Florida Keys at noon for as low as $138. 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 $337.

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 $282 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 $181 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 36m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from Washington, D.C. to Florida Keys takes 2h 36m
Direct flights go from Washington, D.C. to Florida Keys every day.
There is 1 airport near Florida Keys: 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?

  • 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 $117Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free 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.

An easier way to manage your Florida Keys trip

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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
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