HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$489+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
FCO — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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.

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 Wednesday or Tuesday and return on a Monday

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 junio 12, 2025.

Round-trip from

$576
(Travelis)

One-way from

$489
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$697

Good round-trip deal

$573 or less

Good one-way deal

$644 or less
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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.
Search Deals

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 junio 12, 2025.

This Travelis deal was found by Cheapflights users on 6/12. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/236:00 amFCO - IAD
1 stop15h 35mKLM
lun. 7/71:00 pmIAD - FCO
1 stop14h 20mKLM
Deal found 6/12$576
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/266:00 amFCO - IAD
1 stop15h 35mMultiple Airlines
sáb. 7/129:20 pmIAD - FCO
1 stop11h 30mMultiple Airlines
Deal found 6/10$579
This Delta deal was found by Cheapflights users on 6/10. 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.
dom. 6/226:00 amFCO - IAD
1 stop15h 35mDelta
lun. 7/79:20 pmIAD - FCO
1 stop11h 30mDelta
Deal found 6/10$581
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2610:40 amFCO - IAD
Nonstop10h 00mITA Airways
mar. 7/154:30 pmIAD - FCO
Nonstop8h 45mITA Airways
Deal found 6/12$583
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/182:05 pmFCO - IAD
1 stop12h 15mBritish Airways
dom. 11/29:55 pmIAD - FCO
1 stop12h 35mBritish Airways
Deal found 6/11$589
This FlightHub deal was found by Cheapflights users on 6/12. 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.
mié. 6/253:45 pmFCO - IAD
1 stop12h 25mIcelandair
dom. 7/611:15 pmIAD - FCO
1 stop33h 20mIcelandair
Deal found 6/12$591
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1712:20 pmFCO - IAD
1 stop13h 30mAir France
lun. 6/239:20 pmIAD - FCO
1 stop11h 30mAir France
Deal found 6/10$608
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/255:45 pmFCO - IAD
1 stop27h 35mTAP AIR PORTUGAL
vie. 8/110:20 pmIAD - FCO
1 stop19h 50mTAP AIR PORTUGAL
Deal found 6/10$617
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:00 amFCO - IAD
1 stop11h 50mLufthansa
mar. 10/215:40 pmIAD - FCO
Nonstop8h 35mLufthansa
Deal found 6/11$628
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/287:10 amFCO - IAD
1 stop12h 20mUnited Airlines
mié. 10/295:10 pmIAD - FCO
2 stops20h 10mUnited Airlines
Deal found 6/11$633
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/37:10 amFCO - IAD
2 stops19h 55mAir Canada
mié. 10/291:20 pmIAD - FCO
2 stops22h 50mAir Canada
Deal found 6/11$638
This FlightHub deal was found by Cheapflights users on 6/10. 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.
mar. 7/87:00 amFCO - IAD
1 stop34h 45mTurkish Airlines
vie. 7/181:30 pmIAD - FCO
1 stop28h 00mTurkish Airlines
Deal found 6/10$639

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 junio 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

lun. 6/23

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

lun. 7/7

1:00 pm-9:20 am

1 stop14h 20m

$576

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

jue. 6/26

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

sáb. 7/12

9:20 pm-2:50 pm

1 stop11h 30m

$579

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

dom. 6/22

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

lun. 7/7

9:20 pm-2:50 pm

1 stop11h 30m

$581

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

jue. 6/26

10:40 am-2:40 pm

Nonstop10h 00m

Washington, D.C. Dulles Intl

mar. 7/15

4:30 pm-7:15 am

Nonstop8h 45m

$583

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

sáb. 10/18

2:05 pm-8:20 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

dom. 11/2

9:55 pm-4:30 pm

1 stop12h 35m

$589

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mié. 6/25

3:45 pm-10:10 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

dom. 7/6

11:15 pm-2:35 pm

1 stop33h 20m

$591

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

jue. 7/3

5:55 am-3:20 pm

1 stop15h 25m

Washington, D.C. Dulles Intl

jue. 7/10

10:20 pm-4:45 pm

1 stop12h 25m

$596

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

jue. 6/26

9:00 am-4:44 pm

1 stop13h 44m

Washington, D.C. Dulles Intl

dom. 7/6

9:20 pm-2:50 pm

1 stop11h 30m

$609

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mié. 10/15

10:00 am-3:50 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

lun. 10/20

10:05 pm-1:05 pm

Nonstop9h 00m

$628

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

mar. 12/9

1:30 pm-8:15 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

dom. 1/11

5:40 pm-10:50 am

1 stop11h 10m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 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 June 9, 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 $309). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 junio 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 morning, which can drop the price by up to 2% versus a flight at noon.

Weekly flight availability from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Leonardo da Vinci/Fiumicino to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from FCO to IAD are scheduled on a Thursday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
To help decide which airline to fly from Rome to Washington, D.C., see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, KLM ($576), Delta ($581), and ITA Airways ($586) offers the cheapest pricing from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Users have found that KLM is 22% 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 Aer Lingus, with whom users have recently found tickets for as low as $511. However, be on the lookout for offers from Icelandair and Royal Air Maroc, 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 (77%), Brussels Airlines (77%) or SWISS (77%) 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 $1,229 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $546 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $378.

  • 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 $309). Flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Rome Fiumicino Airport?

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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

Top 3 airlines flying from Leonardo da Vinci/Fiumicino to Dulles Intl

Discover the top 3 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$526Average$620FlexibilityNo cancel feeOn-time81%
Aer LingusCheapest$557Average$677FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$682Average$831FlexibilityNo 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.