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Florida Keys

$54+ Cheap flights from Dulles Intl (IAD) to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EYW
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Dulles Intl to Florida Keys

Keep the following information in mind while searching for Dulles Intl to Florida Keys flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$95
(Frontier)

One-way from

$54
(Priceline)

Popular in

December

Cheapest in

February

Average price

$212
Provider with most accurate pricing for Washington, D.C. (WAS)-Miami flight deals.
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From Washington, D.C. Dulles Intl to Florida Keys
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One-way flight from Washington, D.C. Dulles Intl to Florida Keys
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Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Florida Keys

Cheapest flights from Dulles Intl to Florida Keys
Explore the most affordable flight options available from Dulles Intl to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:00 pmIAD - MIA
Nonstop2h 43mFrontier
Thu 11/1312:28 pmMIA - IAD
Nonstop2h 47mFrontier
Deal found 10/20$95
This WAYA deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:44 pmIAD - MIA
1 stop6h 50mFrontier
Fri 11/1411:31 amMIA - IAD
Nonstop2h 47mFrontier
Deal found 10/21$96
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:26 amIAD - MIA
Nonstop2h 48mUnited Airlines
Thu 12/115:56 pmMIA - IAD
1 stop5h 59mUnited Airlines
Deal found 10/21$97
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:19 pmIAD - MIA
1 stop7h 27mFrontier
Sun 12/148:30 amMIA - IAD
Nonstop2h 39mFrontier
Deal found 10/20$99
This WAYA deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:19 pmIAD - MIA
1 stop7h 27mFrontier
Sun 12/78:30 amMIA - IAD
Nonstop2h 39mFrontier
Deal found 10/20$100
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:00 pmIAD - MIA
Nonstop2h 43mFrontier
Mon 11/177:07 pmMIA - IAD
1 stop5h 04mFrontier
Deal found 10/21$102
This Priceline deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:10 pmIAD - MIA
Nonstop2h 47mFrontier
Mon 11/312:22 pmMIA - IAD
Nonstop2h 47mFrontier
Deal found 10/19$103
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:10 pmIAD - MIA
Nonstop2h 47mFrontier
Thu 10/305:05 amMIA - IAD
1 stop11h 29mFrontier
Deal found 10/20$104
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:19 pmIAD - MIA
1 stop7h 27mFrontier
Fri 12/1212:26 pmMIA - IAD
Nonstop2h 39mFrontier
Deal found 10/21$105
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:47 amIAD - MIA
1 stop27h 42mFrontier
Fri 10/3112:20 pmMIA - IAD
Nonstop2h 34mFrontier
Deal found 10/20$106
This Frontier deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:04 pmIAD - MIA
Nonstop2h 43mFrontier
Thu 11/67:07 pmMIA - IAD
1 stop5h 04mFrontier
Deal found 10/21$107
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:43 amIAD - EYW
1 stop20h 24mMultiple Airlines
Mon 12/221:10 pmEYW - IAD
1 stop8h 03mMultiple Airlines
Deal found 10/21$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Florida Keys that are best for you.

Fly from

Dulles Intl

Fly to

Florida Keys

Route

Depart

Return

Price

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 11/19

8:25 am-11:14 am

Nonstop2h 49m

Miami

Wed 11/26

12:51 pm-3:25 pm

Nonstop2h 34m

$151

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 10/29

8:45 am-2:37 pm

1 stop5h 52m

Miami

Thu 11/6

4:49 pm-10:58 pm

1 stop6h 09m

$177

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 11/19

6:00 am-11:24 am

1 stop5h 24m

Miami

Thu 11/27

12:51 pm-3:25 pm

Nonstop2h 34m

$187

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sun 1/18

1:20 pm-4:22 pm

Nonstop3h 02m

Miami

Thu 1/22

1:45 pm-4:25 pm

Nonstop2h 40m

$192

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Tue 10/28

8:45 am-2:37 pm

1 stop5h 52m

Miami

Fri 10/31

12:51 pm-3:25 pm

Nonstop2h 34m

$193

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 12/3

8:26 am-11:14 am

Nonstop2h 48m

Miami

Tue 12/9

10:54 am-4:30 pm

1 stop5h 36m

$196

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 10/27

8:25 am-11:14 am

Nonstop2h 49m

Miami

Fri 10/31

12:51 pm-3:25 pm

Nonstop2h 34m

$230

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Sun 1/18

1:20 pm-4:22 pm

Nonstop3h 02m

Miami

Tue 1/20

5:40 pm-11:18 pm

1 stop5h 38m

$231

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 11/24

8:25 am-11:14 am

Nonstop2h 49m

Miami

Thu 11/27

12:51 pm-3:25 pm

Nonstop2h 34m

$284

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Tue 11/4

8:25 am-11:14 am

Nonstop2h 49m

Miami

Fri 11/7

12:51 pm-3:25 pm

Nonstop2h 34m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 44 results
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Best time to book a flight from Dulles Intl to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Florida Keys

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Florida Keys?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Florida Keys (average of $179). Flying from Washington, D.C. Dulles Intl Airport to Florida Keys in May is currently the most expensive (average of $419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to EOA?

Find hourly flight availability from Dulles Intl to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Florida Keys at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated October 22, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Florida Keys, such as Delta, United Airlines, and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
United Airlines
7.4
Good
8,988 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.2
Good
11,029 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Spirit Airlines
6.3
Okay
8,097 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Frontier
5.8
Fair
3,129 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Florida Keys?

    For as low as $151, United Airlines can have you in Florida Keys from Washington, D.C. Dulles Intl Airport in 2h 49m. Airlines will cover a distance of 923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Florida Keys one-way?

    One-way options have recently been found by users for as low as $61 on Frontier. Other airlines that offer cheap prices include United Airlines from $64 and Allegiant Air from $132 one-way.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Florida Keys?

    Looking at all options, your cheapest flight can be booked for $233. While the most popular route (Washington, D.C. Dulles Intl - Miami) can be booked for $54 on average, our data indicates $484 when flying from Washington, D.C. Dulles Intl Airport to Florida Keys.

  • Can I find deals for flights from Dulles Intl to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Florida Keys.

  • Can I find deals for business class flights from Dulles Intl to Florida Keys?

    Yes. Cheapflights offers flight deals from Dulles Intl to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Florida Keys?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Florida Keys (average of $179). Flying from Washington, D.C. Dulles Intl Airport to Florida Keys in May is currently the most expensive (average of $419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Florida Keys

Discover the top 3 airlines that operate flights from Dulles Intl to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$488FlexibilityNo cancel feeOn-time71%

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