HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$470+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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.

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 July 21, 2026.

This Mytrip deal was found by Cheapflights users on 7/18. 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.
Tue 9/13:45 pm
FCO
-
IAD
1 stop12h 30m
Icelandair
Tue 9/88:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 7/18$470
This Mytrip deal was found by Cheapflights users on 7/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:45 pm
FCO
-
IAD
1 stop12h 30m
Icelandair
Sun 9/68:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 7/16$471
This lol.travel deal was found by Cheapflights users on 7/20. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:55 am
FCO
-
IAD
1 stop15h 15m
TAP AIR PORTUGAL
Wed 9/910:35 pm
IAD
-
FCO
1 stop29h 45m
TAP AIR PORTUGAL
Deal found 7/20$480
This oojo deal was found by Cheapflights users on 7/17. 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 9/248:00 pm
FCO
-
IAD
1 stop24h 25m
TAP AIR PORTUGAL
Sun 10/45:40 pm
IAD
-
FCO
1 stop25h 20m
TAP AIR PORTUGAL
Deal found 7/17$491
This Icelandair deal was found by Cheapflights users on 7/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Wed 9/3011:20 pm
IAD
-
FCO
1 stop33h 15m
Icelandair
Deal found 7/16$497
This lol.travel deal was found by Cheapflights users on 7/18. 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.
Thu 9/108:00 pm
FCO
-
IAD
1 stop24h 25m
TAP AIR PORTUGAL
Mon 9/215:40 pm
IAD
-
FCO
1 stop24h 35m
TAP AIR PORTUGAL
Deal found 7/18$498
This Icelandair deal was found by Cheapflights users on 7/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Thu 9/248:30 pm
IAD
-
FCO
1 stop12h 05m
Icelandair
Deal found 7/16$502
This Icelandair deal was found by Cheapflights users on 7/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:45 pm
FCO
-
IAD
1 stop33h 35m
Icelandair
Fri 9/2511:20 pm
IAD
-
FCO
1 stop33h 15m
Icelandair
Deal found 7/16$504
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:45 pm
FCO
-
IAD
1 stop26h 40m
TAP AIR PORTUGAL
Sat 10/310:35 pm
IAD
-
FCO
1 stop19h 40m
TAP AIR PORTUGAL
Deal found 7/20$523

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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$916

Good round-trip deal

$760 or less

Good one-way deal

$723 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
Highest demand for flights based on searches. 18% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 21, 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 10/1

5:45 pm-2:25 pm

1 stop26h 40m

Washington, D.C. Dulles Intl

Sat 10/3

10:35 pm-12:15 am

1 stop19h 40m

$523

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/1

9:40 am-5:00 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Mon 10/5

8:20 pm-6:35 pm

1 stop16h 15m

$677
Quickest round-trip

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 9/26

10:20 am-2:30 pm

Nonstop10h 10m

Washington, D.C. Dulles Intl

Sat 10/3

4:30 pm-7:15 am

Nonstop8h 45m

$722

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 8/30

9:30 am-5:00 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 9/14

8:20 pm-10:20 am

2 stops32h 00m

$736

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 8/18

1:30 pm-8:56 pm

1 stop13h 26m

Washington, D.C. Dulles Intl

Tue 8/25

5:45 pm-12:55 pm

1 stop13h 10m

$782

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 9/23

10:00 am-4:05 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 9/27

5:15 pm-8:15 am

Nonstop9h 00m

$782

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/1

1:20 pm-8:00 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Mon 10/5

5:15 pm-8:15 am

Nonstop9h 00m

$784

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 9/6

6:50 am-8:00 pm

1 stop19h 10m

Washington, D.C. Dulles Intl

Tue 9/22

8:20 pm-2:20 pm

1 stop12h 00m

$786

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 8/27

3:20 pm-7:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-2:20 pm

1 stop12h 00m

$801

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 8/3

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Sun 8/16

9:45 pm-7:05 pm

1 stop15h 20m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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

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

Currently, April is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $639). 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 July 21, 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 July 21, 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
10,013 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,013 reviews
United Airlines
7.4
Good
10,013 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.0
Good
715 reviews
United Airlines
7.4
Good
10,013 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 10h 10m. Scandinavian Airlines provides one of the quickest options available for as low as $705. 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 26% 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 $299. 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 ASKY (85%), United Airlines (79%) or Ethiopian Air (79%) 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 $1,266 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $682 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $498.

  • 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, April is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (average of $639). 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
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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.
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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$827FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$771Average$1,380FlexibilityNo cancel feeOn-time76%

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.