Cheap flights from Rome to Washington, D.C. from $320

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 to Washington, D.C. departing on 4/26. 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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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
$445TAP AIR PORTUGAL
Mon, Mar 9 - Mon, Mar 16
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 11:25 am
IAD
-
FCO
11h 55m
1 stop
$474TAP AIR PORTUGAL
Thu, Mar 5 - Mon, Mar 16
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
FCO
-
IAD
14h 45m
1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 3:50 pm
IAD
-
FCO
35h 20m
1 stop
$526TAP AIR PORTUGAL
Fri, Mar 6 - Sun, Mar 22
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
FCO
-
IAD
14h 45m
1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 6:45 pm
IAD
-
FCO
14h 15m
1 stop
$566TAP AIR PORTUGAL
Fri, Mar 6 - Sun, Mar 22
ITA Airways Logo
10:20 am - 3:40 pm
FCO
-
IAD
10h 20mnonstop
ITA Airways Logo
4:30 pm - 7:15 am
IAD
-
FCO
8h 45mnonstop
$568ITA Airways
Sun, Mar 15 - Tue, Mar 31
ITA Airways Logo
10:20 am - 3:40 pm
FCO
-
IAD
10h 20mnonstop
ITA Airways Logo
4:30 pm - 7:15 am
IAD
-
FCO
8h 45mnonstop
$569ITA Airways
Sun, Mar 15 - Tue, Mar 31
ITA Airways Logo
10:20 am - 3:40 pm
FCO
-
IAD
10h 20mnonstop
ITA Airways Logo
4:30 pm - 7:15 am
IAD
-
FCO
8h 45mnonstop
$576ITA Airways
Sun, Mar 15 - Tue, Mar 31
ITA Airways Logo
10:20 am - 3:40 pm
FCO
-
IAD
10h 20mnonstop
ITA Airways Logo
4:30 pm - 7:15 am
IAD
-
FCO
8h 45mnonstop
$582ITA Airways
Sun, Mar 15 - Tue, Mar 31
ITA Airways Logo
10:20 am - 2:30 pm
FCO
-
IAD
10h 10mnonstop
ITA Airways Logo
4:30 pm - 7:15 am
IAD
-
FCO
8h 45mnonstop
$588ITA Airways
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
9:40 pm - 4:05 pm
CIA
-
IAD
24h 25m
2 stops
Multiple Airlines Logo
7:50 pm - 7:35 pm
IAD
-
CIA
18h 45m
2 stops
$727Multiple Airlines
Sat, Feb 21 - Mon, Mar 9

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

Our best TAP AIR PORTUGAL deals on Rome 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
$445
TAP AIR PORTUGAL
Mar 5
FCO6:00 amRome Fiumicino
15h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Mar 16
IAD6:30 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
FCO11:25 amRome Fiumicino
$474
TAP AIR PORTUGAL
Mar 6
FCO12:15 pmRome Fiumicino
14h 45m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Mar 22
IAD11:30 pmWashington, D.C. Dulles Intl
35h 20m
1 stop
FCO3:50 pmRome Fiumicino
$526

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

Our best Icelandair deals on Rome to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Feb 21
FCO11:25 amRome Fiumicino
13h 05m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 9
IAD8:40 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
FCO2:00 pmRome Fiumicino
$590
Icelandair
Mar 4
FCO11:25 amRome Fiumicino
13h 05m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
May 28
IAD8:30 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
FCO2:35 pmRome Fiumicino
$614
Icelandair
Mar 18
FCO11:25 amRome Fiumicino
13h 05m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Mar 24
IAD8:40 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
FCO2:00 pmRome Fiumicino
$628

momondo Fare Finder

 
Customize your flight search to find flights from Rome 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 February 11, 2026.
Use the filters below to find and compare flights from Rome 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

$445

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 3/5

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 3/16

6:30 pm-11:25 am

1 stop11h 55m

$474

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 3/6

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 3/22

11:30 pm-3:50 pm

1 stop35h 20m

$526

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 3/6

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 3/22

11:30 pm-6:45 pm

1 stop14h 15m

$566

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/15

10:20 am-3:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-7:15 am

Nonstop8h 45m

$568

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/15

10:20 am-3:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-7:15 am

Nonstop8h 45m

$569

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/15

10:20 am-3:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-7:15 am

Nonstop8h 45m

$576

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 3/15

10:20 am-3:40 pm

Nonstop10h 20m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-7:15 am

Nonstop8h 45m

$582

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 5/1

10:20 am-2:30 pm

Nonstop10h 10m

Washington, D.C. Dulles Intl

Sun 5/10

4:30 pm-7:15 am

Nonstop8h 45m

$588

RomeWashington, D.C.

CIA - IAD

CIAIAD

Rome Ciampino

Sat 2/21

9:40 pm-4:05 pm

2 stops24h 25m

Washington, D.C. Dulles Intl

Mon 3/9

7:50 pm-7:35 pm

2 stops18h 45m

$727

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 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 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 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 $568. 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 $577.

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 $726. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Rome 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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $756 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 $780 on average. Flights to Washington, D.C. Dulles Intl Airport from Rome in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Rome Fiumicino to Washington, D.C. Dulles Intl for the best Rome - 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 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 $790 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 for as low as $589 on momondo.

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

There are 3 cabin classes available to choose from on Rome 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 to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of February 2026, prices for Rome 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 to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Rome 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 to Washington, D.C. Dulles Intl Airport (ROM to IAD) flight deals and tips

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

Best Price Found

$699

Fastest flight time

9h 45m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Rome in the past 72 hours is $699. The best round-trip flight deal from Rome to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $688.
The fastest flight from Rome to Washington, D.C. Dulles Intl Airport takes 9h 45m
Direct flights go from Rome to Washington, D.C. Dulles Intl Airport every day.
  • How far is Rome to Washington, D.C. Dulles Intl by plane?

    A flight from Rome to Washington, D.C. Dulles Intl will travel around 4497.4 mi. Typically, this will take 9h 45m by plane in normal conditions.

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

    Prices for flights from Rome to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Washington, D.C. Dulles Intl Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Rome to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $628Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.1
611 reviews
Search Icelandair flights
  • United Airlines Flights From Rome to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from Rome to Washington, D.C. Dulles Intl Airport start from $628 round-trip. Over the 3 United Airlines flights for this route in a normal week, average airfare is usually $827 round-trip - but some users have found much cheaper deals with momondo.

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
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rome to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

All flight searches from Rome to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Rome and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Rome to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Fri 3/13
Fri 3/20

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