Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $373

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 3/4. 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.
TAP AIR PORTUGAL Logo
7:35 pm - 3:15 pm
FCO
-
IAD
25h 40m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$434TAP AIR PORTUGAL
Sun, Mar 1 - Sun, Mar 15
TAP AIR PORTUGAL Logo
6:00 am - 3:35 pm
FCO
-
IAD
14h 35m1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 11:25 am
IAD
-
FCO
11h 55m1 stop
$435TAP AIR PORTUGAL
Tue, Mar 10 - Mon, Mar 23
TAP AIR PORTUGAL Logo
4:40 pm - 9:00 pm
FCO
-
IAD
34h 20m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$442TAP AIR PORTUGAL
Thu, Jan 22 - Fri, Feb 6
TAP AIR PORTUGAL Logo
4:40 pm - 9:00 pm
FCO
-
IAD
34h 20m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pm
IAD
-
FCO
16h 20m1 stop
$453TAP AIR PORTUGAL
Thu, Jan 22 - Sat, Jan 31
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 6:45 pm
IAD
-
FCO
14h 15m1 stop
$489TAP AIR PORTUGAL
Thu, Jan 22 - Fri, Feb 6
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
FCO
-
IAD
14h 45m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$499TAP AIR PORTUGAL
Sun, Jan 18 - Sun, Feb 1
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
FCO
-
IAD
14h 45m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$505TAP AIR PORTUGAL
Sun, Jan 18 - Sun, Feb 1
TAP AIR PORTUGAL Logo
4:40 pm - 3:15 pm
FCO
-
IAD
28h 35m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$506TAP AIR PORTUGAL
Sun, Jan 18 - Sun, Feb 1
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pm
IAD
-
FCO
16h 20m1 stop
$508TAP AIR PORTUGAL
Thu, Jan 29 - Sat, Feb 7
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
FCO
-
IAD
14h 45m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$514TAP AIR PORTUGAL
Sun, Jan 18 - Sun, Jan 25

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

Our best American Airlines deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 4
FCO12:20 pmRome Fiumicino
33h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 8
IAD6:20 pmWashington, D.C. Dulles Intl
11h 05m
1 stop
FCO11:25 amRome Fiumicino
American Airlines
Feb 3
FCO7:25 amRome Fiumicino
14h 10m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 10
IAD6:20 pmWashington, D.C. Dulles Intl
19h 20m
1 stop
FCO7:40 pmRome Fiumicino
American Airlines
Dec 26
FCO11:00 amRome Fiumicino
19h 04m
2 stops
IAD12:04 amWashington, D.C. Dulles Intl
Jan 7
IAD9:45 pmWashington, D.C. Dulles Intl
32h 15m
1 stop
FCO12:00 pmRome Fiumicino

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
Dec 25
FCO6:10 amRome Fiumicino
15h 55m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 10
IAD7:49 pmWashington, D.C. Dulles Intl
15h 36m
2 stops
FCO5:25 pmRome Fiumicino
Delta
Dec 25
FCO6:10 amRome Fiumicino
17h 28m
2 stops
IAD5:38 pmWashington, D.C. Dulles Intl
Jan 10
IAD7:49 pmWashington, D.C. Dulles Intl
15h 36m
2 stops
FCO5:25 pmRome Fiumicino
Delta
Dec 26
FCO10:05 amRome Fiumicino
19h 03m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
Jan 7
IAD7:49 pmWashington, D.C. Dulles Intl
15h 36m
2 stops
FCO5:25 pmRome Fiumicino

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 December 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

Sun 3/1

7:35 pm-3:15 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-12:05 am

1 stop19h 35m

$434

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 3/10

6:00 am-3:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Mon 3/23

6:30 pm-11:25 am

1 stop11h 55m

$435

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 1/22

4:40 pm-9:00 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

Fri 2/6

10:30 pm-12:05 am

1 stop19h 35m

$442

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 1/22

4:40 pm-9:00 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

Sat 1/31

5:30 pm-3:50 pm

1 stop16h 20m

$453

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 1/22

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Fri 2/6

10:30 pm-6:45 pm

1 stop14h 15m

$489

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 1/18

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 2/1

10:30 pm-12:05 am

1 stop19h 35m

$499

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 1/18

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 2/1

10:30 pm-12:05 am

1 stop19h 35m

$505

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 1/18

4:40 pm-3:15 pm

1 stop28h 35m

Washington, D.C. Dulles Intl

Sun 2/1

10:30 pm-12:05 am

1 stop19h 35m

$506

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 1/29

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sat 2/7

5:30 pm-3:50 pm

1 stop16h 20m

$508

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 1/18

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 1/25

10:30 pm-12:05 am

1 stop19h 35m

$514

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, February 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 $558. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $622.

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

Our data shows that Saturday 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 $719. 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 $931.

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 afternoon when prices are $756 on average. Flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport in the afternoon 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 $789 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 December 2025, prices for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights are approximately 43% 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

$679

Fastest flight time

10h 05m

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 $679. 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 $717.
The fastest flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport takes 10h 05m
Direct flights go from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport every day.
  • 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 05m.

  • 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
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,105 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 14 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 $649 round-trip, up to an average price of $841. 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
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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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1 adult
Thu 1/22
Thu 1/29

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