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Dulles Intl

$453+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Find cheap flights from Leonardo da Vinci/Fiumicino to Dulles Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Rome Fiumicino to Washington, D.C. Dulles Intl are usually found in May or September, booked 89 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 April 24, 2026.

This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:45 pm
FCO
-
IAD
1 stop12h 30m
Icelandair
Sun 5/2411:20 pm
IAD
-
FCO
1 stop33h 15m
Icelandair
Deal found 4/23$514
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:45 pm
FCO
-
IAD
1 stop12h 30m
Icelandair
Wed 5/278:30 pm
IAD
-
FCO
1 stop11h 55m
Icelandair
Deal found 4/21$529
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:55 pm
FCO
-
IAD
1 stop33h 25m
Icelandair
Tue 5/268:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 4/21$531
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 4/283:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Tue 5/58:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 4/20$544
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/183:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Tue 5/268:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 4/21$551
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Thu 5/213:55 pm
FCO
-
IAD
1 stop33h 25m
Icelandair
Wed 5/278:30 pm
IAD
-
FCO
1 stop11h 55m
Icelandair
Deal found 4/20$552
This Icelandair deal was found by Cheapflights users on 4/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:45 pm
FCO
-
IAD
1 stop12h 30m
Icelandair
Fri 5/2911:20 pm
IAD
-
FCO
1 stop33h 05m
Icelandair
Deal found 4/20$553
This Icelandair deal was found by Cheapflights users on 4/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:55 pm
FCO
-
IAD
1 stop33h 25m
Icelandair
Fri 5/2911:20 pm
IAD
-
FCO
1 stop33h 05m
Icelandair
Deal found 4/20$554
This Icelandair deal was found by Cheapflights users on 4/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Sun 5/2411:20 pm
IAD
-
FCO
1 stop33h 15m
Icelandair
Deal found 4/21$555
This lol.travel deal was found by Cheapflights users on 4/23. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:50 am
FCO
-
IAD
1 stop16h 40m
British Airways
Tue 6/97:20 pm
IAD
-
FCO
1 stop13h 50m
British Airways
Deal found 4/23$581
This lol.travel deal was found by Cheapflights users on 4/22. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:15 am
FCO
-
IAD
1 stop16h 15m
British Airways
Sat 6/135:40 pm
IAD
-
FCO
1 stop11h 45m
British Airways
Deal found 4/22$596

Find 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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$514
(Mytrip)

One-way from

$453
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$678

Good round-trip deal

$778 or less

Good one-way deal

$722 or less
Provider with most accurate pricing for Rome Fiumicino-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rome Fiumicino-Washington, D.C. Dulles Intl flights.
Search Deals
From Rome Fiumicino to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Rome Fiumicino to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl.
Search Deals

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 April 24, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 9/17

7:10 am-1:35 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Mon 9/21

5:35 pm-8:15 am

Nonstop8h 40m

$648

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 8/5

12:20 pm-8:20 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 8/21

7:15 pm-10:25 pm

1 stop21h 10m

$795

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 5/23

8:15 pm-4:45 pm

1 stop26h 30m

Washington, D.C. Dulles Intl

Tue 6/2

8:20 pm-7:25 pm

1 stop17h 05m

$807

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 6/3

3:20 pm-7:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Wed 6/10

8:20 pm-2:20 pm

1 stop12h 00m

$817
Quickest round-trip

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 8/2

10:20 am-2:30 pm

Nonstop10h 10m

Washington, D.C. Dulles Intl

Fri 8/21

4:30 pm-7:15 am

Nonstop8h 45m

$831

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 6/23

5:50 pm-3:10 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 8/12

10:35 pm-12:15 am

1 stop19h 40m

$865

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 8/15

9:00 am-10:59 pm

1 stop19h 59m

Washington, D.C. Dulles Intl

Sun 3/14

7:50 pm-5:25 pm

1 stop16h 35m

$915

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 8/3

10:20 am-2:30 pm

Nonstop10h 10m

Washington, D.C. Dulles Intl

Fri 8/21

4:30 pm-7:15 am

Nonstop8h 45m

$919

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 8/12

3:20 pm-7:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Sun 3/14

6:40 pm-8:30 am

Nonstop8h 50m

$974
Cheapest one-way

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 6/13

7:15 am-3:50 pm

1 stop14h 35m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rome Fiumicino Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 82 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, May is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $640). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,370). 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 April 24, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on FCO

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

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 April 24, 2026.
Read reviews from past customers who have flown United Airlines and Icelandair 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
9,648 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,648 reviews
United Airlines
7.4
Good
9,648 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Icelandair
7.0
Good
639 reviews
United Airlines
7.4
Good
9,648 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 12h 25m. United Airlines provides one of the quickest options available for as low as $648. Airlines will cover a distance of 4491 mi. This flight may include one or multiple stops.

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

    According to our current data, United Airlines ($618), and Icelandair ($771) offers the cheapest pricing from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Users have found that United Airlines is 23% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $373. However, be on the lookout for offers from TAP AIR PORTUGAL and Aer Lingus, as they are both options that can get you from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport for a low price.

  • 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 SAUDIA (71%), SWISS (69%) or Air Canada (69%) 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 $888 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $475 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $605.

  • 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, May is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $640). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,370). 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
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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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

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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$791FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$771Average$1,380FlexibilityNo cancel feeOn-time76%

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