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Dulles Intl

$478+ Cheap flights from Fiumicino (FCO) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Leonardo da Vinci/Fiumicino to Dulles Intl with Cheapflights

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Cheapflights Tip: The best prices from Rome Fiumicino to Washington, D.C. Dulles Intl are usually found in September or February, booked 88 days in advance, depart on a Saturday or Thursday and return on a Sunday

Cheap flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Leonardo da Vinci/Fiumicino (FCO) 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(United Airlines)

One-way from

$478
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$792

Good round-trip deal

$653 or less

Good one-way deal

$740 or less
Provider with most accurate pricing for Rome Fiumicino-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Rome Fiumicino-Washington, D.C. Dulles Intl flights.
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From Rome Fiumicino to Washington, D.C. Dulles Intl
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One-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Rome Fiumicino to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl.
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Find flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl

Cheapest flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 11/227:05 amFCO - IAD
1 stop14h 45mUnited Airlines
Mon 12/88:30 pmIAD - FCO
1 stop11h 30mUnited Airlines
Deal found 10/25$579
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 11/137:05 amFCO - IAD
1 stop14h 45mUnited Airlines
Wed 11/265:33 pmIAD - FCO
1 stop11h 22mUnited Airlines
Deal found 10/25$581
This Booking.com deal was found by Cheapflights users on 10/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amFCO - IAD
1 stop19h 10mLufthansa
Wed 11/265:40 pmIAD - FCO
1 stop18h 35mLufthansa
Deal found 10/25$582
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:15 pmFCO - IAD
1 stop26h 25mMultiple Airlines
Thu 11/275:40 pmIAD - FCO
Nonstop8h 50mMultiple Airlines
Deal found 10/25$584
This Expedia deal was found by Cheapflights users on 10/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:15 pmFCO - IAD
1 stop26h 25mMultiple Airlines
Sun 11/235:40 pmIAD - FCO
Nonstop8h 50mMultiple Airlines
Deal found 10/26$586
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:15 pmFCO - IAD
1 stop26h 25mSWISS
Thu 11/278:30 pmIAD - FCO
1 stop30h 10mSWISS
Deal found 10/25$587
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:30 amFCO - IAD
1 stop15h 00mAmerican Airlines
Fri 12/59:45 pmIAD - FCO
1 stop11h 10mAmerican Airlines
Deal found 10/26$588
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/257:05 amFCO - IAD
1 stop19h 10mUnited Airlines
Tue 12/168:15 amIAD - FCO
2 stops27h 40mUnited Airlines
Deal found 10/26$589
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:15 pmFCO - IAD
1 stop25h 15mMultiple Airlines
Thu 11/275:40 pmIAD - FCO
Nonstop8h 50mMultiple Airlines
Deal found 10/27$590
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 11/141:15 pmFCO - IAD
1 stop13h 39mUnited Airlines
Mon 12/15:40 pmIAD - FCO
Nonstop8h 50mUnited Airlines
Deal found 10/25$592
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/711:00 amFCO - IAD
Nonstop10h 25mUnited Airlines
Sun 11/239:45 amIAD - FCO
1 stop17h 10mUnited Airlines
Deal found 10/27$593

Cheapflights Fare Finder

 
Customize your flight search to find flights from Leonardo da Vinci/Fiumicino 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 October 27, 2025.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Leonardo da Vinci/Fiumicino

Fly to

Dulles Intl

Route

Depart

Return

Price

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 11/22

7:05 am-3:50 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 12/8

8:30 pm-2:00 pm

1 stop11h 30m

$579

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 11/14

7:30 am-3:45 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 11/27

6:20 pm-11:25 am

1 stop11h 05m

$589

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/25

7:05 am-8:15 pm

1 stop19h 10m

Washington, D.C. Dulles Intl

Tue 12/16

8:15 am-5:55 pm

2 stops27h 40m

$589

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/25

9:35 am-8:54 pm

2 stops17h 19m

Washington, D.C. Dulles Intl

Tue 12/2

1:20 pm-10:55 am

2 stops15h 35m

$592

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 11/21

1:15 pm-8:54 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

Sun 12/7

12:46 pm-7:55 am

1 stop13h 09m

$592

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 11/23

11:00 am-3:25 pm

Nonstop10h 25m

Washington, D.C. Dulles Intl

Mon 12/8

5:40 pm-8:30 am

Nonstop8h 50m

$592

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 11/22

11:00 am-3:25 pm

Nonstop10h 25m

Washington, D.C. Dulles Intl

Sun 12/7

5:40 pm-8:30 am

Nonstop8h 50m

$592

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 11/22

11:00 am-3:25 pm

Nonstop10h 25m

Washington, D.C. Dulles Intl

Sat 12/6

5:40 pm-8:30 am

Nonstop8h 50m

$592

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 11/7

11:00 am-3:25 pm

Nonstop10h 25m

Washington, D.C. Dulles Intl

Sun 11/23

9:45 am-8:55 am

1 stop17h 10m

$593

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/4

5:10 pm-6:45 pm

1 stop31h 35m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 17 results
1
2

Compare providers for flights from Leonardo da Vinci/Fiumicino to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Leonardo da Vinci/Fiumicino to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Leonardo da Vinci/Fiumicino to Dulles Intl. Price data was last updated on October 24, 2025.

The price you pay for your flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $427). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $610). 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 FCO to IAD?

Find hourly flight availability from Leonardo da Vinci/Fiumicino 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 October 27, 2025.

When flying from Rome Fiumicino Airport 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 30% versus a flight in the morning.

The best insider tips for Rome Fiumicino Airport 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 Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport trip
Airports
FCO

For a fast track through security at FCO, pay a small fee for expedited lanes, saving time on international departures.

Read more about FCOby Robert Schrader
IAD

Use the Silver Line Metro for a cheap, 40-minute ride from IAD to Washington, D.C., with a station just five minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Robert Schrader

Robert Schrader

Expert on FCO

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

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

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 October 27, 2025.
Read reviews from past customers who have flown United Airlines and ITA Airways from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. 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.
United Airlines
7.4
Good
8,996 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
ITA Airways
6.7
Okay
1,077 reviews
United Airlines
7.4
Good
8,996 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to Dulles Intl. 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 Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

    A quick flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport can take about 14h 45m. United Airlines provides one of the quickest options available for as low as $579. Airlines will cover a distance of 4491 mi.

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

    According to our current data, ITA Airways ($558), and United Airlines ($672) offers the cheapest pricing from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Users have found that ITA Airways is 25% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport consider choosing Austrian Airlines (82%), Brussels Airlines (82%) or SWISS (82%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,107 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $565 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $426.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Leonardo da Vinci/Fiumicino to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Leonardo da Vinci/Fiumicino to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Leonardo da Vinci/Fiumicino to Dulles Intl.

  • Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Dulles Intl?

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino 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 Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $427). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $610). 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
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Leonardo da Vinci/Fiumicino to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Leonardo da Vinci/Fiumicino to Baltimore flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Ciampino to Baltimore flights

Top 2 airlines flying from Leonardo da Vinci/Fiumicino to Dulles Intl

Discover the top 2 airlines that operate flights from Leonardo da Vinci/Fiumicino 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$558Average$640FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$672Average$839FlexibilityNo cancel feeOn-time69%

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