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Dulles Intl

$433+ Cheap flights from Fiumicino (FCO) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 February or September, booked 74 days in advance, depart on a Saturday or Tuesday and return on a Sunday

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 diciembre 12, 2025.

This lol.travel deal was found by Cheapflights users on 12/10. 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.
lun. 12/157:35 pmFCO - IAD
1 stop25h 00mTAP AIR PORTUGAL
dom. 2/1510:30 pmIAD - FCO
1 stop30h 55mTAP AIR PORTUGAL
Deal found 12/10$523
This lol.travel deal was found by Cheapflights users on 12/10. 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.
vie. 12/264:40 pmFCO - IAD
1 stop28h 35mTAP AIR PORTUGAL
mar. 12/305:30 pmIAD - FCO
1 stop24h 35mTAP AIR PORTUGAL
Deal found 12/10$618
This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amFCO - IAD
1 stop15h 15mTAP AIR PORTUGAL
mar. 12/305:30 pmIAD - FCO
1 stop11h 55mTAP AIR PORTUGAL
Deal found 12/10$642
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amFCO - IAD
1 stop15h 15mTAP AIR PORTUGAL
dom. 1/1810:30 pmIAD - FCO
1 stop19h 35mTAP AIR PORTUGAL
Deal found 12/10$652
This lol.travel deal was found by Cheapflights users on 12/11. 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.
sáb. 12/276:00 amFCO - IAD
1 stop15h 15mTAP AIR PORTUGAL
mié. 12/3110:30 pmIAD - FCO
1 stop19h 35mTAP AIR PORTUGAL
Deal found 12/11$685
This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1212:20 pmFCO - IAD
1 stop13h 35mBritish Airways
mar. 12/309:45 pmIAD - FCO
1 stop13h 10mBritish Airways
Deal found 12/10$714
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1912:15 pmFCO - IAD
1 stop14h 45mTAP AIR PORTUGAL
lun. 12/295:30 pmIAD - FCO
1 stop24h 35mTAP AIR PORTUGAL
Deal found 12/10$738
This lol.travel deal was found by Cheapflights users on 12/11. 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.
mar. 12/237:35 pmFCO - IAD
1 stop31h 25mTAP AIR PORTUGAL
sáb. 1/105:30 pmIAD - FCO
1 stop24h 35mTAP AIR PORTUGAL
Deal found 12/11$763
This Expedia deal was found by Cheapflights users on 12/10. 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.
lun. 12/157:50 amFCO - IAD
2 stops21h 18mBritish Airways
dom. 2/156:20 pmIAD - FCO
1 stop12h 05mBritish Airways
Deal found 12/10$787
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:10 amFCO - IAD
1 stop15h 55mDelta
dom. 1/1812:23 pmIAD - FCO
2 stops14h 32mDelta
Deal found 12/10$793

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$433
(lol.travel)

Popular in

January

Cheapest in

February

Average price

$918

Good round-trip deal

$724 or less

Good one-way deal

$679 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
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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.
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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 diciembre 12, 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

sáb. 1/24

11:25 am-6:30 pm

1 stop13h 05m

Washington, D.C. Dulles Intl

sáb. 1/31

7:40 pm-2:00 pm

1 stop12h 20m

$533

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mar. 1/20

6:00 am-2:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

vie. 1/30

10:30 pm-6:45 pm

1 stop14h 15m

$553

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

lun. 1/19

6:50 pm-3:35 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

dom. 2/1

5:46 pm-9:55 pm

2 stops22h 09m

$620

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mar. 2/10

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

jue. 3/12

7:05 pm-11:55 am

1 stop11h 50m

$627

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mié. 2/11

6:10 am-4:46 pm

2 stops16h 36m

Washington, D.C. Dulles Intl

jue. 3/12

7:50 pm-3:15 pm

1 stop14h 25m

$628

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

sáb. 3/7

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

dom. 3/15

7:59 pm-4:25 pm

2 stops15h 26m

$628

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mar. 1/20

6:10 am-7:09 pm

2 stops18h 59m

Washington, D.C. Dulles Intl

vie. 1/30

3:42 pm-10:30 am

1 stop12h 48m

$632

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

sáb. 1/24

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

sáb. 1/31

7:49 pm-5:25 pm

2 stops15h 36m

$634

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

sáb. 5/16

10:00 am-3:50 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

dom. 5/17

5:30 pm-8:15 am

Nonstop8h 45m

$685

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

sáb. 1/24

7:05 am-3:50 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

sáb. 1/31

8:20 am-2:00 pm

2 stops23h 40m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 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 December.
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 December 5, 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 73 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 $437). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $796). 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 diciembre 12, 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 29% versus a flight in the morning.

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
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 diciembre 12, 2025.
Read reviews from past customers who have flown United Airlines 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
9,095 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 13h 05m. Icelandair provides one of the quickest options available for as low as $533. Airlines will cover a distance of 4491 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($672), offers the cheapest pricing from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Users have found that United Airlines is 17% 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $305. However, be on the lookout for offers from TAP AIR PORTUGAL and Icelandair, 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 Austrian Airlines (85%), Brussels Airlines (85%) or Lufthansa (85%) 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 $991 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $570 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $448.

  • 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 $437). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $796). 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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 Reagan-National flights
Leonardo da Vinci/Fiumicino to Baltimore flights
Ciampino to Baltimore flights

Top airline flying from Leonardo da Vinci/Fiumicino to Dulles Intl

Discover the top airline 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$672Average$852FlexibilityNo cancel feeOn-time69%

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