Which airline has the best punctuality record on Rome to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

What is the most punctual flight time for Rome to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How often are flights from Rome to Washington, D.C. delayed?

About 24% of weekly flights between Rome and Washington, D.C. have experienced delays in the past year, with the average delay time being 161 minutes.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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.

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

The most flights from FCO to IAD are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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.

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).

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 (75%), Brussels Airlines (75%) or SWISS (75%) as they are the most reliable in getting you off to your destination on time.

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.

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.

$500+ Cheap Flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Best

Last-minute

One-way

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 4, 2026.

Tue 11/105:55 am -

1 stop14h 50m

Sat 11/285:25 pm -

1 stop24h 40m

Deal found 9/3

$500

Sun 11/87:35 pm -

1 stop25h 40m

Tue 11/245:25 pm -

1 stop12h 00m

Deal found 9/3

$501

Thu 10/228:00 pm -

1 stop24h 25m

Thu 11/55:25 pm -

1 stop24h 40m

Deal found 9/2

$502

Thu 10/295:55 am -

1 stop15h 20m

Sun 11/810:30 pm -

1 stop19h 35m

Deal found 9/2

$511

Thu 10/85:55 am -

1 stop20h 40m

Thu 10/225:45 pm -

1 stop12h 50m

Deal found 9/4

$518

Thu 11/55:55 am -

1 stop15h 20m

Thu 11/125:25 pm -

1 stop24h 40m

Deal found 9/2

$520

Sat 11/2111:25 am -

1 stop13h 05m

Mon 11/307:40 pm -

1 stop12h 20m

Deal found 9/3

$521

Wed 10/73:45 pm -

1 stop12h 30m

Wed 10/1411:20 pm -

1 stop33h 15m

Deal found 8/31

$524

Tue 11/105:55 am -

1 stop14h 50m

Fri 12/410:30 pm -

1 stop19h 35m

Deal found 9/3

$526

Thu 10/229:40 am -

1 stop13h 20m

Thu 11/58:30 pm -

1 stop16h 15m

Deal found 8/31

$527

Thu 10/83:45 pm -

1 stop33h 35m

Wed 10/1411:20 pm -

1 stop33h 15m

Deal found 9/3

$529

Best flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Discover carefully curated flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Thu 10/226:30 am -

1 stop15h 05m

Thu 11/512:30 pm -

2 stops17h 00m

Deal found 9/1

$651

Thu 10/19:40 am -

1 stop13h 20m

Thu 10/158:20 pm -

2 stops32h 25m

Deal found 8/31

$653

Thu 2/189:55 am -

1 stop16h 10m

Mon 2/225:20 pm -

1 stop12h 45m

Deal found 9/3

$656

Mon 11/161:20 pm -

1 stop12h 35m

Sun 11/296:05 pm -

1 stop21h 50m

Deal found 8/30

$668

Wed 11/116:10 am -

2 stops16h 16m

Tue 11/2412:35 pm -

2 stops14h 45m

Deal found 8/31

$655

Mon 10/196:50 am -

1 stop15h 15m

Mon 10/266:25 pm -

1 stop14h 35m

Deal found 9/3

$656

Fri 10/29:40 am -

1 stop13h 20m

Fri 10/98:20 pm -

2 stops32h 20m

Deal found 9/3

$668

Tue 9/296:30 am -

2 stops17h 16m

Tue 10/66:32 pm -

2 stops16h 03m

Deal found 9/2

$656

Wed 9/306:30 am -

2 stops17h 16m

Tue 10/66:15 pm -

1 stop11h 10m

Deal found 9/2

$656

Tue 11/106:10 am -

2 stops23h 11m

Sat 11/2810:11 am -

1 stop16h 04m

Deal found 9/3

$659

Thu 10/86:30 am -

2 stops17h 03m

Thu 10/227:45 pm -

2 stops14h 40m

Deal found 9/1

$662

Last-minute flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Discover last-minute flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl. Data last updated September 4, 2026 and is based on user searches.

Thu 10/13:45 pm -

1 stop33h 35m

Sat 10/178:30 pm -

1 stop12h 05m

Deal found 8/31

$567

Wed 10/73:45 pm -

1 stop12h 30m

Wed 10/1411:20 pm -

1 stop33h 15m

Deal found 8/31

$524

Thu 10/85:55 am -

1 stop20h 40m

Thu 10/225:45 pm -

1 stop12h 50m

Deal found 9/4

$518

Thu 10/83:45 pm -

1 stop33h 35m

Wed 10/1411:20 pm -

1 stop33h 15m

Deal found 9/3

$529

Thu 10/89:40 am -

1 stop13h 20m

Thu 10/228:20 pm -

1 stop16h 15m

Deal found 8/31

$546

Thu 10/228:00 pm -

1 stop24h 25m

Thu 11/55:25 pm -

1 stop24h 40m

Deal found 9/2

$502

Thu 10/229:40 am -

1 stop13h 20m

Thu 11/58:30 pm -

1 stop16h 15m

Deal found 8/31

$527

Thu 10/223:45 pm -

1 stop33h 35m

Thu 11/57:40 pm -

1 stop12h 20m

Deal found 8/31

$591

Thu 10/295:55 am -

1 stop15h 20m

Sun 11/810:30 pm -

1 stop19h 35m

Deal found 9/2

$511

One-way flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Search for one-way flight options from Leonardo da Vinci/Fiumicino to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Fri 10/236:30 am -

1 stop15h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$510

Sat 10/1710:50 pm -

3 stops26h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$512

Tue 10/206:30 am -

2 stops15h 58m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$515

Sat 11/146:10 am -

2 stops17h 18m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$516

Fri 9/2511:10 am -

1 stop15h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$517

Fri 10/234:50 pm -

2 stops28h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$519

Sun 11/111:35 pm -

3 stops22h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/30

$520

Wed 11/1812:15 pm -

3 stops32h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$521

Wed 10/2110:10 am -

1 stop13h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/30

$522

Find flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$500 (lol.travel)
Popular in	January
Cheapest in	April
Average price	$667
Good round-trip deal	$817 or less
Good one-way deal	$740 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. 17% potential increase in price ($185 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

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 Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Fri 10/23

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$511

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Tue 10/20

6:30 am-4:28 pm

2 stops15h 58m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$515

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Tue 10/27

10:20 am-11:16 pm

2 stops17h 56m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$523

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Fri 10/16

5:55 am-8:35 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$528

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Sat 10/3

5:55 am-8:05 pm

1 stop20h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$532

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Sun 9/20

7:05 am-11:30 am

1 stop34h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$632

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Thu 10/22

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Thu 11/5

12:30 pm-11:30 am

2 stops17h 00m

$651

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Thu 10/1

9:40 am-5:00 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Thu 10/15

8:20 pm-10:45 am

2 stops32h 25m

$653

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Wed 11/11

6:10 am-4:26 pm

2 stops16h 16m

Washington, D.C. Dulles Intl

Tue 11/24

12:35 pm-9:20 am

2 stops14h 45m

$655

RomeWashington, D.C.

FCO Rome Fiumicino - IAD Washington, D.C. Dulles Intl

FCOIAD

Rome Fiumicino

Thu 2/18

9:55 am-8:05 pm

1 stop16h 10m

Washington, D.C. Dulles Intl

Mon 2/22

5:20 pm-12:05 pm

1 stop12h 45m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 22 resultsSorted by cheapest first

Compare providers for flights from Leonardo da Vinci/Fiumicino to Dulles Intl

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 September.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 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.

FCO-IAD

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

Prices

Airlines

Delays

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?

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?

Airfare is below average for this route at the moment.

Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $518 and $1,287 in November.
The cheapest round-trip price found within the last 5 days was $500 on TAP AIR PORTUGAL (Nov 10-Nov 28).

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

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

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.

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 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

10,165 reviews

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

10,165 reviews

United Airlines

7.4

Good

10,165 reviews

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

6.9

Okay

740 reviews

United Airlines

7.4

Good

10,165 reviews

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

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 20m. Delta provides one of the quickest options available for as low as $653. 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 ($628), and Icelandair ($1,269) offers the cheapest pricing from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Users have found that United Airlines is 27% 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 Austrian Airlines (75%), Brussels Airlines (75%) or SWISS (75%) 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 $1,813 for a flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $673 while the most popular route, (Rome Fiumicino - Washington, D.C. Dulles Intl) is currently priced at $502.
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

Alexandria

Owings Mills

Arlington

Tysons

Lanham

Reston

Herndon

Rockville

Chantilly

Hyattsville

Fredericksburg

Woodbridge

Falls Church

Sterling

Hanover

Laurel

Oxon Hill

Clinton

Hunt Valley

Silver Spring

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Dulles Intl flight routes

Flights by cabin class

Other flight options

Other flights from Leonardo da Vinci/Fiumicino

Popular flights

Alternative routes for Leonardo da Vinci/Fiumicino to Dulles Intl

Leonardo da Vinci/Fiumicino to Baltimore flights

Top 2 airlines flying from Leonardo da Vinci/Fiumicino to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$628	Average$836	FlexibilityNo cancel fee	On-time69%
Icelandair	Cheapest$1,269	Average$1,380	FlexibilityNo cancel fee	On-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.

$500+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl

Cheapest flights from Leonardo da Vinci/Fiumicino to Dulles IntlExplore 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 4, 2026.

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 4, 2026.

Best flights from Leonardo da Vinci/Fiumicino to Dulles IntlDiscover carefully curated flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Discover carefully curated flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from Leonardo da Vinci/Fiumicino to Dulles IntlDiscover last-minute flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl. Data last updated September 4, 2026 and is based on user searches.

Discover last-minute flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl. Data last updated September 4, 2026 and is based on user searches.

One-way flights from Leonardo da Vinci/Fiumicino to Dulles IntlSearch for one-way flight options from Leonardo da Vinci/Fiumicino to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Search for one-way flight options from Leonardo da Vinci/Fiumicino to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Find flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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.

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 September.

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.

Cheapflights Insights

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

What is the cheapest time of day to fly from FCO to IAD?

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?

Airfare is below average for this route at the moment.

Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $518 and $1,287 in November.The cheapest round-trip price found within the last 5 days was $500 on TAP AIR PORTUGAL (Nov 10-Nov 28).

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

The most flights from FCO to IAD are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Rome to Washington, D.C. delayed?

About 24% of weekly flights between Rome and Washington, D.C. have experienced delays in the past year, with the average delay time being 161 minutes.

What is the most punctual flight time for Rome to Washington, D.C. flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Rome to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

Reviews of airlines servicing Dulles Intl

Related info for your journey

How long is the flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

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

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

What are the most reliable airlines from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Leonardo da Vinci/Fiumicino to Dulles Intl that include hotel bookings?

How can I 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?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.

Search flights from Leonardo da Vinci/Fiumicino to Dulles Intl by cabin class

Find flights from Leonardo da Vinci/Fiumicino to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Leonardo da Vinci/Fiumicino and Dulles Intl flights

Browse other Leonardo da Vinci/Fiumicino and Dulles Intl flight options. Last updated on September 4, 2026.

Other flights from Leonardo da Vinci/Fiumicino

Browse through other flights departing from Leonardo da Vinci/Fiumicino. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

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 4, 2026.

Best flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Discover carefully curated flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.

Last-minute flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Discover last-minute flight deals from Leonardo da Vinci/Fiumicino to Dulles Intl. Data last updated September 4, 2026 and is based on user searches.

One-way flights from Leonardo da Vinci/Fiumicino to Dulles Intl
Search for one-way flight options from Leonardo da Vinci/Fiumicino to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.

Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $518 and $1,287 in November.
The cheapest round-trip price found within the last 5 days was $500 on TAP AIR PORTUGAL (Nov 10-Nov 28).