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Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $474

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome Fiumicino Airport to Washington, D.C. departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rome Fiumicino Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 am - 3:50 pmFCO-IAD
14h 45m1 stop
United Airlines Logo
9:45 am - 8:55 amIAD-FCO
17h 10m1 stop
$578United Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 26
United Airlines Logo
7:05 am - 3:50 pmFCO-IAD
14h 45m1 stop
United Airlines Logo
8:30 pm - 2:00 pmIAD-FCO
11h 30m1 stop
$581United Airlines
Find Deal
Wed, Nov 5 - Thu, Jan 15
Multiple Airlines Logo
9:40 am - 8:26 pmFCO-IAD
16h 46m2 stops
Multiple Airlines Logo
9:45 am - 8:55 amIAD-FCO
17h 10m1 stop
$583Multiple Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 26
Multiple Airlines Logo
9:40 am - 8:26 pmFCO-IAD
16h 46m2 stops
Multiple Airlines Logo
9:45 am - 8:55 amIAD-FCO
17h 10m1 stop
$584Multiple Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 26
SWISS Logo
8:15 pm - 4:40 pmFCO-IAD
26h 25m1 stop
SWISS Logo
8:30 pm - 2:00 pmIAD-FCO
11h 30m1 stop
$585SWISS
Find Deal
Wed, Nov 5 - Tue, Nov 11
American Airlines Logo
7:30 am - 3:45 pmFCO-IAD
14h 15m1 stop
American Airlines Logo
9:45 pm - 3:20 pmIAD-FCO
11h 35m1 stop
$587American Airlines
Find Deal
Fri, Nov 14 - Thu, Nov 27
SWISS Logo
8:15 pm - 4:40 pmFCO-IAD
26h 25m1 stop
SWISS Logo
8:30 pm - 7:25 pmIAD-FCO
16h 55m1 stop
$588SWISS
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Thu, Nov 6 - Sat, Dec 6
Air Canada Logo
9:40 am - 9:20 pmFCO-IAD
17h 40m2 stops
Air Canada Logo
9:00 am - 8:55 amIAD-FCO
17h 55m2 stops
$589Air Canada
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Thu, Nov 13 - Wed, Nov 26
Air Canada Logo
7:05 am - 4:27 pmFCO-IAD
15h 22m2 stops
Air Canada Logo
9:00 am - 8:55 amIAD-FCO
17h 55m2 stops
$590Air Canada
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Sat, Nov 22 - Sun, Nov 30
American Airlines Logo
11:00 am - 11:08 pmFCO-IAD
18h 08m2 stops
American Airlines Logo
11:25 am - 9:00 amIAD-FCO
15h 35m2 stops
$612American Airlines
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Fri, Dec 5 - Mon, Dec 8

Lufthansa flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Nov 8
FCO11:00 amRome Fiumicino
10h 25m
IAD3:25 pmWashington, D.C. Dulles Intl
Nov 24
IAD5:40 pmWashington, D.C. Dulles Intl
8h 50m
FCO8:30 amRome Fiumicino
$593
Find similar
Lufthansa
Nov 5
FCO11:00 amRome Fiumicino
10h 25m
IAD3:25 pmWashington, D.C. Dulles Intl
Nov 11
IAD5:40 pmWashington, D.C. Dulles Intl
8h 50m
FCO8:30 amRome Fiumicino
$676
Find similar
Lufthansa
Oct 29
FCO11:00 amRome Fiumicino
10h 25m
IAD4:25 pmWashington, D.C. Dulles Intl
Nov 4
IAD10:00 pmWashington, D.C. Dulles Intl
18h 50m
1 stop
FCO10:50 pmRome Fiumicino
$682
Find similar

United Airlines flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Nov 13
FCO7:05 amRome Fiumicino
14h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 26
IAD9:45 amWashington, D.C. Dulles Intl
17h 10m
1 stop
FCO8:55 amRome Fiumicino
$578
Find similar
United Airlines
Nov 5
FCO7:05 amRome Fiumicino
14h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Jan 15
IAD8:30 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
FCO2:00 pmRome Fiumicino
$581
Find similar
United Airlines
Nov 5
FCO7:05 amRome Fiumicino
30h 22m
2 stops
IAD7:27 amWashington, D.C. Dulles Intl
Nov 11
IAD8:30 amWashington, D.C. Dulles Intl
17h 15m
1 stop
FCO7:45 amRome Fiumicino
$582
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 23, 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

Fly to

Route

Depart

Return

Price

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/13

7:05 am-3:50 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Wed 11/26

9:45 am-8:55 am

1 stop17h 10m

$578

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 11/5

7:05 am-3:50 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Thu 1/15

8:30 pm-2:00 pm

1 stop11h 30m

$581

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/13

9:40 am-8:26 pm

2 stops16h 46m

Washington, D.C. Dulles Intl

Wed 11/26

9:45 am-8:55 am

1 stop17h 10m

$583

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/13

9:40 am-8:26 pm

2 stops16h 46m

Washington, D.C. Dulles Intl

Wed 11/26

9:45 am-8:55 am

1 stop17h 10m

$584

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 11/5

8:15 pm-4:40 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Tue 11/11

8:30 pm-2:00 pm

1 stop11h 30m

$585

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 11/14

7:30 am-3:45 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 11/27

9:45 pm-3:20 pm

1 stop11h 35m

$587

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/6

8:15 pm-4:40 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Sat 12/6

8:30 pm-7:25 pm

1 stop16h 55m

$588

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/13

9:40 am-9:20 pm

2 stops17h 40m

Washington, D.C. Dulles Intl

Wed 11/26

9:00 am-8:55 am

2 stops17h 55m

$589

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 11/22

7:05 am-4:27 pm

2 stops15h 22m

Washington, D.C. Dulles Intl

Sun 11/30

9:00 am-8:55 am

2 stops17h 55m

$590

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 12/5

11:00 am-11:08 pm

2 stops18h 08m

Washington, D.C. Dulles Intl

Mon 12/8

11:25 am-9:00 am

2 stops15h 35m

$612

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rome Fiumicino Airport and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, September is the cheapest month to fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $622. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $633.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $747. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport for around $887.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $704 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $795 on average. Flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Rome Fiumicino to Washington, D.C. Dulles Intl flight route?

Fly from Rome Fiumicino to Washington, D.C. Dulles Intl for the best Rome Fiumicino - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $748 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport for as low as $570 on momondo.

What cabin class options are available on Rome Fiumicino to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Rome Fiumicino to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport (FCO to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$702

Fastest flight time

10h 00m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport in the past 72 hours is $702. The best round-trip flight deal from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $601.
The fastest flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport takes 10h 00m
Direct flights go from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Rome Fiumicino to Washington, D.C. Dulles Intl by plane?

    The distance between Rome Fiumicino and Washington, D.C. Dulles Intl is about 4490.8 mi. A reasonable flight in good conditions will take 10h 25m.

  • When did momondo last update prices for flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $558Free CancellationRating
6.7
1,074 reviews
Search ITA Airways flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights

  • United Airlines Flights From Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport, operating 10 flights/week on average for this route. A good United Airlines flight deal for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport starts from $672 round-trip, up to an average price of $839. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Rome to Washington, D.C.?

Finding the right flight to Washington, D.C. from Rome is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Rome to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Rome on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rome to Washington, D.C.?

Once all potential Rome to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rome to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rome to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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