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Dulles Intl

$69+ Cheap flights from Fort Lauderdale (FLL) to Dulles Intl (IAD)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
FLL — IAD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Fort Lauderdale to Washington, D.C. Dulles Intl are usually found in February or October, booked 76 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Fort Lauderdale to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Fort Lauderdale (FLL) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$117
(United Airlines)

One-way from

$69
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$242

Good round-trip deal

$236 or less

Good one-way deal

$163 or less
From Fort Lauderdale to Washington, D.C. Dulles Intl
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One-way flight from Fort Lauderdale to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Fort Lauderdale to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Fort Lauderdale to Washington, D.C. Dulles Intl.
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Find flight deals from Fort Lauderdale to Dulles Intl

Cheapest flights from Fort Lauderdale to Dulles Intl
Explore the most affordable flight options available from Fort Lauderdale to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/212:00 pmFLL - IAD
Nonstop2h 34mUnited Airlines
jue. 10/27:46 pmIAD - FLL
Nonstop2h 44mUnited Airlines
Deal found 9/15$117
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mar. 9/3012:00 pmFLL - IAD
Nonstop2h 34mUnited Airlines
mar. 10/77:46 pmIAD - FLL
Nonstop2h 44mUnited Airlines
Deal found 9/16$127
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 11/79:00 amFLL - IAD
Nonstop2h 28mUnited Airlines
dom. 11/95:55 pmIAD - FLL
Nonstop2h 46mUnited Airlines
Deal found 9/16$130
This United Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 11/79:00 amFLL - IAD
Nonstop2h 28mUnited Airlines
mié. 11/125:55 pmIAD - FLL
Nonstop2h 46mUnited Airlines
Deal found 9/15$131
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/212:00 pmFLL - IAD
Nonstop2h 34mUnited Airlines
vie. 10/38:20 amIAD - FLL
1 stop6h 42mUnited Airlines
Deal found 9/15$138
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 10/912:00 pmFLL - IAD
Nonstop2h 34mUnited Airlines
dom. 10/127:46 pmIAD - FLL
Nonstop2h 44mUnited Airlines
Deal found 9/16$142
This CheapOair deal was found by Cheapflights users on 9/15. 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.
vie. 10/176:00 amFLL - IAD
1 stop9h 39mFrontier
mar. 10/219:00 amIAD - FLL
1 stop8h 55mFrontier
Deal found 9/15$143
This CheapOair deal was found by Cheapflights users on 9/15. 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.
lun. 10/206:00 amFLL - IAD
1 stop9h 39mFrontier
jue. 10/236:15 amIAD - FLL
1 stop11h 50mFrontier
Deal found 9/15$144
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
vie. 10/246:57 pmFLL - IAD
1 stop20h 20mFrontier
lun. 10/275:00 pmIAD - FLL
1 stop7h 06mFrontier
Deal found 9/15$148
This CheapOair deal was found by Cheapflights users on 9/15. 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.
vie. 10/36:00 amFLL - IAD
1 stop6h 55mFrontier
dom. 10/51:55 pmIAD - FLL
1 stop9h 57mFrontier
Deal found 9/15$149
This CheapOair deal was found by Cheapflights users on 9/15. 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.
jue. 10/96:00 amFLL - IAD
1 stop9h 38mFrontier
dom. 10/129:07 pmIAD - FLL
1 stop14h 41mFrontier
Deal found 9/15$150

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Lauderdale to Dulles Intl 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Fort Lauderdale to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fort Lauderdale

Fly to

Dulles Intl

Route

Depart

Return

Price

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

mié. 10/1

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

lun. 10/6

7:46 pm-10:30 pm

Nonstop2h 44m

$117

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

vie. 10/17

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

sáb. 10/25

7:46 pm-10:30 pm

Nonstop2h 44m

$117

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

jue. 10/9

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

dom. 10/12

7:46 pm-10:30 pm

Nonstop2h 44m

$142

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

vie. 10/10

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

dom. 10/12

7:46 pm-10:30 pm

Nonstop2h 44m

$142

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

jue. 10/2

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

dom. 10/5

7:46 pm-10:30 pm

Nonstop2h 44m

$142

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

sáb. 10/11

6:39 am-3:17 pm

1 stop8h 38m

Washington, D.C. Dulles Intl

mié. 10/15

9:00 am-5:29 pm

1 stop8h 29m

$143

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

sáb. 11/1

10:04 am-4:25 pm

1 stop6h 21m

Washington, D.C. Dulles Intl

lun. 11/3

8:27 am-11:13 am

Nonstop2h 46m

$152

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

sáb. 10/11

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

mar. 10/14

6:15 am-2:06 pm

1 stop7h 51m

$152

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

sáb. 10/25

8:25 am-4:26 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

lun. 10/27

5:55 pm-8:41 pm

Nonstop2h 46m

$152

Fort LauderdaleWashington, D.C.

FLL - IAD

FLLIAD

Fort Lauderdale

sáb. 9/27

12:00 pm-2:34 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

mar. 9/30

7:46 pm-10:30 pm

Nonstop2h 44m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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The best insider tips for Fort Lauderdale to Washington, D.C. Dulles Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Fort Lauderdale to Washington, D.C. Dulles Intl Airport trip
Airports
FLL

For a smooth parking experience, download the FLL Airport App for real-time parking info and guidance.

Read more about FLLby Paul Rubio
IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cheap way to the city.

Read more about IADby Ramsey Qubein
Our travel experts
Paul Rubio

Paul Rubio

Expert on FLL

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Fort Lauderdale to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Fort Lauderdale 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 Fort Lauderdale to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Fort Lauderdale to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Fort Lauderdale to Dulles Intl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Fort Lauderdale to Washington, D.C. Dulles Intl Airport, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Fort Lauderdale to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Fort Lauderdale to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 FLL to IAD?

Find hourly flight availability from Fort Lauderdale to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

When flying from Fort Lauderdale to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 71% versus a flight at noon.

What is the cheapest day to fly from Fort Lauderdale to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Fort Lauderdale to Dulles Intl. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Fort Lauderdale to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated septiembre 17, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Fort Lauderdale to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

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

  • What airport do you fly from for flights from Fort Lauderdale to Washington, D.C. Dulles Intl?

    Fort Lauderdale (FLL) is the airport you will fly out of if you book a flight from Fort Lauderdale to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Fort Lauderdale; the airport handles an average of 5 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Fort Lauderdale airport to Washington, D.C. Dulles Intl. It is only a 3.4 mi journey to Fort Lauderdale (FLL) from Fort Lauderdale’s city center.

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

    United Airlines can get you from Fort Lauderdale to Washington, D.C. Dulles Intl Airport in just under 2h 34m. Your travel time will be generally consistent. Airlines will cover a distance of 903 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Fort Lauderdale to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Frontier ($37), Spirit Airlines ($96), and Delta ($108) offers the cheapest pricing from Fort Lauderdale to Washington, D.C. Dulles Intl Airport. Frontier is 86% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Fort Lauderdale to Washington, D.C. Dulles Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Fort Lauderdale to Washington, D.C. Dulles Intl Airport on time: Sun Country Air (100%), United Airlines (97%), Azul (95%).

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

    The cheapest flight price from Fort Lauderdale to Washington, D.C. Dulles Intl Airport is $83. On average you can expect to pay $645. The most popular route, (Fort Lauderdale - Washington, D.C. Dulles Intl), can usually be booked for $117.

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

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

  • How can I find direct flights from Fort Lauderdale to Dulles Intl?

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

  • Can I find deals for business class flights from Fort Lauderdale to Dulles Intl?

    Yes. Cheapflights offers flight deals from Fort Lauderdale to Dulles Intl 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 Fort Lauderdale to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Fort Lauderdale to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Fort Lauderdale to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Alternative routes for Fort Lauderdale to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Fort Lauderdale to Dulles Intl

Discover the top 6 airlines that operate flights from Fort Lauderdale to Dulles Intl. 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$136FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$96Average$115FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$230FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$120Average$217FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$155Average$278FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$320FlexibilityNo cancel feeOn-time71%

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