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Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $421

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 9/24. 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

Multiple Airlines Logo
7:05 am - 2:35 pmFCO-IAD
13h 30m1 stop
Multiple Airlines Logo
5:25 pm - 7:25 pmIAD-FCO
20h 00m1 stop
$551Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
United Airlines Logo
9:45 am - 3:50 pmFCO-IAD
12h 05m1 stop
United Airlines Logo
8:30 pm - 2:00 pmIAD-FCO
11h 30m1 stop
$552United Airlines
Find Deal
Tue, Nov 18 - Sun, Nov 30
Lufthansa Logo
9:40 am - 3:50 pmFCO-IAD
12h 10m1 stop
Lufthansa Logo
10:55 pm - 11:00 pmIAD-FCO
18h 05m1 stop
$553Lufthansa
Find Deal
Thu, Nov 6 - Thu, Nov 20
Air Canada Logo
11:30 am - 9:05 pmFCO-IAD
15h 35m1 stop
Air Canada Logo
2:25 pm - 11:45 amIAD-FCO
15h 20m1 stop
$554Air Canada
Find Deal
Wed, Oct 1 - Mon, Oct 6
Air Canada Logo
7:05 am - 8:26 pmFCO-IAD
19h 21m2 stops
Air Canada Logo
5:50 pm - 9:25 amIAD-FCO
33h 35m1 stop
$556Air Canada
Find Deal
Tue, Nov 18 - Tue, Dec 2
ITA Airways Logo
10:40 am - 2:40 pmFCO-IAD
10h 00mnonstop
ITA Airways Logo
4:30 pm - 7:15 amIAD-FCO
8h 45mnonstop
$558ITA Airways
Find Deal
Thu, Oct 2 - Mon, Oct 6
Delta Logo
10:05 am - 7:18 pmFCO-IAD
15h 13m2 stops
Delta Logo
6:50 pm - 11:45 amIAD-FCO
10h 55m1 stop
$561Delta
Find Deal
Thu, Nov 6 - Tue, Nov 11
Delta Logo
6:30 am - 3:35 pmFCO-IAD
15h 05m1 stop
Delta Logo
7:59 pm - 4:00 pmIAD-FCO
14h 01m2 stops
$578Delta
Find Deal
Sun, Oct 5 - Mon, Oct 20
ITA Airways Logo
10:40 am - 2:40 pmFCO-IAD
10h 00mnonstop
ITA Airways Logo
12:35 pm - 7:05 amIAD-FCO
12h 30m1 stop
$580ITA Airways
Find Deal
Thu, Oct 2 - Wed, Oct 15
Lufthansa Logo
7:10 am - 1:30 pmFCO-IAD
12h 20m1 stop
Lufthansa Logo
10:55 pm - 9:55 pmIAD-FCO
17h 00m2 stops
$595Lufthansa
Find Deal
Thu, Oct 2 - Wed, Oct 15

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

Our best Delta deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Nov 6
FCO10:05 amRome Fiumicino
15h 13m
2 stops
IAD7:18 pmWashington, D.C. Dulles Intl
Nov 11
IAD6:50 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
FCO11:45 amRome Fiumicino
$561
Find similar
Delta
Oct 5
FCO6:30 amRome Fiumicino
15h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Oct 20
IAD7:59 pmWashington, D.C. Dulles Intl
14h 01m
2 stops
FCO4:00 pmRome Fiumicino
$578
Find similar
Delta
Oct 5
FCO6:30 amRome Fiumicino
15h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Oct 20
IAD7:59 pmWashington, D.C. Dulles Intl
15h 31m
2 stops
FCO5:30 pmRome Fiumicino
$579
Find similar

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 6
FCO9:40 amRome Fiumicino
12h 10m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 20
IAD10:55 pmWashington, D.C. Dulles Intl
18h 05m
1 stop
FCO11:00 pmRome Fiumicino
$553
Find similar
Lufthansa
Oct 2
FCO7:10 amRome Fiumicino
12h 20m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Oct 15
IAD10:55 pmWashington, D.C. Dulles Intl
17h 00m
2 stops
FCO9:55 pmRome Fiumicino
$595
Find similar
Lufthansa
Oct 4
FCO12:50 pmRome Fiumicino
12h 35m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Oct 6
IAD5:40 pmWashington, D.C. Dulles Intl
8h 35m
FCO8:15 amRome Fiumicino
$598
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 September 17, 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-2:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Thu 11/20

5:25 pm-7:25 pm

1 stop20h 00m

$551

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/18

9:45 am-3:50 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Sun 11/30

8:30 pm-2:00 pm

1 stop11h 30m

$552

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/6

9:40 am-3:50 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Thu 11/20

10:55 pm-11:00 pm

1 stop18h 05m

$553

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 10/1

11:30 am-9:05 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 10/6

2:25 pm-11:45 am

1 stop15h 20m

$554

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 11/18

7:05 am-8:26 pm

2 stops19h 21m

Washington, D.C. Dulles Intl

Tue 12/2

5:50 pm-9:25 am

1 stop33h 35m

$556

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/2

10:40 am-2:40 pm

Nonstop10h 00m

Washington, D.C. Dulles Intl

Mon 10/6

4:30 pm-7:15 am

Nonstop8h 45m

$558

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 11/6

10:05 am-7:18 pm

2 stops15h 13m

Washington, D.C. Dulles Intl

Tue 11/11

6:50 pm-11:45 am

1 stop10h 55m

$561

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 10/5

6:30 am-3:35 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 10/20

7:59 pm-4:00 pm

2 stops14h 01m

$578

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/2

10:40 am-2:40 pm

Nonstop10h 00m

Washington, D.C. Dulles Intl

Wed 10/15

12:35 pm-7:05 am

1 stop12h 30m

$580

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/2

7:10 am-1:30 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 10/15

10:55 pm-9:55 pm

2 stops17h 00m

$595

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

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 $611. 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 Tuesday 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 $753. 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 $875.

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 $803 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 $742 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 $589 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 September 2025, prices for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights are approximately 13% 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

$678

Fastest flight time

9h 50m

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 $678. 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 $678.
The fastest flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport takes 9h 50m
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 9h 50m.

  • 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 $541Free CancellationRating
6.7
1,036 reviews
Search ITA Airways flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
8,926 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 18 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 $822. Our users have rated United Airlines at 7.4/10.

  • ITA Airways Flights From Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

    The best ITA Airways deal for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets found on momondo in the last 72 hours was $541, round-trip. It should be noted that an average ITA Airways flight deal for this route in this time was higher, at $648 round-trip. ITA Airways operates 5 flights out of Rome Fiumicino Airport into Washington, D.C. Dulles Intl Airport in an average week, so prices vary by time and availability. 1,036 ITA Airways reviews by users on momondo have scored the airline at 6.7/10.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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