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Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $325

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 2/10. 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
4:40 pm - 3:35 pm
FCO
-
IAD
27h 55m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 12:05 am
IAD
-
FCO
24h 35m
1 stop
$432TAP AIR PORTUGAL
Mon, Mar 9 - Mon, Mar 16
TAP AIR PORTUGAL Logo
7:35 pm - 3:15 pm
FCO
-
IAD
25h 40m
1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pm
IAD
-
FCO
16h 20m
1 stop
$440TAP AIR PORTUGAL
Fri, Feb 13 - Sat, Feb 21
TAP AIR PORTUGAL Logo
6:00 am - 4:15 pm
FCO
-
IAD
15h 15m
1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 11:25 am
IAD
-
FCO
30h 55m
1 stop
$444TAP AIR PORTUGAL
Thu, Mar 12 - Sun, Mar 15
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m
1 stop
$463TAP AIR PORTUGAL
Thu, Feb 12 - Sun, Feb 22
TAP AIR PORTUGAL Logo
4:40 pm - 3:35 pm
FCO
-
IAD
27h 55m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 12:05 am
IAD
-
FCO
24h 35m
1 stop
$464TAP AIR PORTUGAL
Mon, Mar 9 - Tue, Mar 24
TAP AIR PORTUGAL Logo
6:00 am - 4:15 pm
FCO
-
IAD
15h 15m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 12:05 am
IAD
-
FCO
24h 35m
1 stop
$468TAP AIR PORTUGAL
Thu, Mar 12 - Mon, Mar 23
TAP AIR PORTUGAL Logo
4:40 pm - 9:00 pm
FCO
-
IAD
34h 20m
1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:25 am
IAD
-
FCO
11h 55m
1 stop
$475TAP AIR PORTUGAL
Sat, Feb 7 - Tue, Feb 24
TAP AIR PORTUGAL Logo
4:40 pm - 4:15 pm
FCO
-
IAD
28h 35m
1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 12:05 am
IAD
-
FCO
19h 35m
1 stop
$500TAP AIR PORTUGAL
Sun, Mar 8 - Sun, Mar 15
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m
1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pm
IAD
-
FCO
16h 20m
1 stop
$517TAP AIR PORTUGAL
Mon, Feb 9 - Tue, Feb 24
TAP AIR PORTUGAL Logo
4:40 pm - 4:15 pm
FCO
-
IAD
28h 35m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 11:25 am
IAD
-
FCO
11h 55m
1 stop
$522TAP AIR PORTUGAL
Sun, Mar 8 - Mon, Mar 23

TAP AIR PORTUGAL flights from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Mar 9
FCO4:40 pmRome Fiumicino
27h 55m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Mar 16
IAD6:30 pmWashington, D.C. Dulles Intl
24h 35m
1 stop
FCO12:05 amRome Fiumicino
$432
TAP AIR PORTUGAL
Feb 13
FCO7:35 pmRome Fiumicino
25h 40m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Feb 21
IAD5:30 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
FCO3:50 pmRome Fiumicino
$440
TAP AIR PORTUGAL
Mar 12
FCO6:00 amRome Fiumicino
15h 15m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
Mar 15
IAD11:30 pmWashington, D.C. Dulles Intl
30h 55m
1 stop
FCO11:25 amRome Fiumicino
$444

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

Our best Air Canada deals on Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Feb 26
FCO9:35 amRome Fiumicino
16h 54m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Mar 11
IAD9:55 amWashington, D.C. Dulles Intl
17h 00m
1 stop
FCO7:55 amRome Fiumicino
$549
Air Canada
Feb 9
FCO11:15 amRome Fiumicino
16h 10m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Feb 24
IAD12:43 pmWashington, D.C. Dulles Intl
14h 42m
2 stops
FCO9:25 amRome Fiumicino
$552
Air Canada
Feb 1
FCO12:45 pmRome Fiumicino
13h 44m
1 stop
IAD8:29 pmWashington, D.C. Dulles Intl
Feb 17
IAD9:45 amWashington, D.C. Dulles Intl
17h 40m
1 stop
FCO9:25 amRome Fiumicino
$555

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 January 24, 2026.
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

Mon 3/9

4:40 pm-3:35 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Mon 3/16

6:30 pm-12:05 am

1 stop24h 35m

$432

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 2/13

7:35 pm-3:15 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Sat 2/21

5:30 pm-3:50 pm

1 stop16h 20m

$440

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 3/12

6:00 am-4:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-11:25 am

1 stop30h 55m

$444

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 2/12

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 2/22

10:30 pm-12:05 am

1 stop19h 35m

$463

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 3/9

4:40 pm-3:35 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Tue 3/24

6:30 pm-12:05 am

1 stop24h 35m

$464

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 3/12

6:00 am-4:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 3/23

6:30 pm-12:05 am

1 stop24h 35m

$468

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 2/7

4:40 pm-9:00 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:25 am

1 stop11h 55m

$475

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/8

4:40 pm-4:15 pm

1 stop28h 35m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-12:05 am

1 stop19h 35m

$500

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 2/9

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-3:50 pm

1 stop16h 20m

$517

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/8

4:40 pm-4:15 pm

1 stop28h 35m

Washington, D.C. Dulles Intl

Mon 3/23

6:30 pm-11:25 am

1 stop11h 55m

$522

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 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 April is also cheap. Prices for this month can be found on momondo for an average of $645.

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 $691. 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $755 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $779 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 $769 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 January 2026, prices for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights are approximately 14% cheaper 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

$716

Fastest flight time

9h 45m

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 $716. 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 $696.
The fastest flight from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport takes 9h 45m
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 45m.

  • 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
9,194 reviews
Search United Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.1
602 reviews
Search Icelandair 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 6 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 $836. Our users have rated United Airlines at 7.4/10.

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

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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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