Dulles Intl

$421+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
Oct 11 — Oct 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Leonardo da Vinci/Fiumicino to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Thursday or Tuesday 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 September 11, 2025.

Round-trip from

$559
(Delta)

One-way from

$421
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$612

Good round-trip deal

$683 or less

Good one-way deal

$677 or less
From Rome Fiumicino to Washington, D.C. Dulles Intl
One-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Rome Fiumicino to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Rome Fiumicino to Washington, D.C. Dulles Intl.

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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:05 amFCO - IAD
2 stops18h 58mDelta
Mon 2/212:30 pmIAD - FCO
2 stops17h 15mDelta
Deal found 9/11$559
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 12/186:10 amFCO - IAD
1 stop15h 55mDelta
Sun 1/185:25 pmIAD - FCO
2 stops18h 00mDelta
Deal found 9/10$561
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:35 pmFCO - IAD
1 stop13h 15mTAP AIR PORTUGAL
Thu 9/2510:20 pmIAD - FCO
1 stop19h 50mTAP AIR PORTUGAL
Deal found 9/11$562
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amFCO - IAD
1 stop15h 15mTAP AIR PORTUGAL
Tue 1/65:30 pmIAD - FCO
1 stop19h 15mTAP AIR PORTUGAL
Deal found 9/11$563
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:45 pmFCO - IAD
1 stop27h 35mTAP AIR PORTUGAL
Wed 9/245:50 pmIAD - FCO
1 stop19h 10mTAP AIR PORTUGAL
Deal found 9/10$564
This KLM deal was found by Cheapflights users on 9/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:10 amFCO - IAD
1 stop15h 55mMultiple Airlines
Fri 2/66:50 pmIAD - FCO
1 stop10h 55mMultiple Airlines
Deal found 9/11$565
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/96:30 amFCO - IAD
1 stop15h 05mDelta
Tue 10/147:59 pmIAD - FCO
2 stops15h 31mDelta
Deal found 9/9$566
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/26:30 amFCO - IAD
1 stop15h 05mDelta
Tue 10/217:59 pmIAD - FCO
2 stops15h 31mDelta
Deal found 9/10$567
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:20 amFCO - IAD
1 stop14h 10mAer Lingus
Wed 1/75:05 pmIAD - FCO
1 stop11h 35mAer Lingus
Deal found 9/11$568
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:40 amFCO - IAD
Nonstop10h 00mITA Airways
Sat 10/44:30 pmIAD - FCO
Nonstop8h 45mITA Airways
Deal found 9/9$569
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:10 amFCO - IAD
2 stops16h 13mDelta
Sat 2/146:50 pmIAD - FCO
1 stop10h 55mDelta
Deal found 9/11$570
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:30 amFCO - IAD
1 stop15h 05mDelta
Fri 11/147:49 pmIAD - FCO
2 stops17h 56mDelta
Deal found 9/11$571

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 September 11, 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

Thu 12/18

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Sun 1/18

5:00 pm-5:25 pm

2 stops18h 25m

$559

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/18

10:05 am-11:03 pm

2 stops18h 58m

Washington, D.C. Dulles Intl

Mon 2/2

12:30 pm-11:45 am

2 stops17h 15m

$559

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/18

10:05 am-11:03 pm

2 stops18h 58m

Washington, D.C. Dulles Intl

Mon 2/9

1:00 pm-11:45 am

2 stops16h 45m

$559

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 12/18

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Sun 1/18

6:50 pm-5:25 pm

1 stop16h 35m

$561

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 11/17

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Sun 2/1

6:50 pm-3:20 pm

1 stop14h 30m

$565

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 10/15

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Sun 10/26

7:50 pm-5:25 pm

1 stop16h 35m

$565

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/27

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Fri 12/5

12:19 pm-8:55 am

2 stops14h 36m

$565

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 11/17

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Sun 2/1

12:30 pm-11:45 am

2 stops17h 15m

$565

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/20

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Fri 2/6

7:59 pm-3:20 pm

2 stops13h 21m

$565

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/9

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 10/15

7:59 pm-5:30 pm

2 stops15h 31m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
1
2
3

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

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 August 29, 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, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Rome Fiumicino Airport 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 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 September 11, 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 at noon, which can drop the price by up to 5% 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?

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 September 11, 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.

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 15h 55m. Delta provides one of the quickest options available for as low as $559. 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 ($541), 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 26% 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 (69%), Brussels Airlines (69%) or SWISS (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 $817 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $580 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, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Rome Fiumicino Airport 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
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$541Average$640FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$672Average$826FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.