Cheap flights from Rome to Washington, D.C. from $504

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 6/15. 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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Icelandair Logo
3:45 pm - 10:15 pm
FCO
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m
1 stop
$520Icelandair
Fri, Sep 11 - Sun, Sep 20
TAP AIR PORTUGAL Logo
5:55 am - 4:15 pm
FCO
-
IAD
15h 20m
1 stop
TAP AIR PORTUGAL Logo
5:25 pm - 6:45 pm
IAD
-
FCO
19h 20m
1 stop
$526TAP AIR PORTUGAL
Thu, Oct 29 - Thu, Nov 5
Icelandair Logo
3:45 pm - 7:20 pm
FCO
-
IAD
33h 35m
1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m
1 stop
$530Icelandair
Wed, Sep 9 - Wed, Sep 16
Icelandair Logo
3:45 pm - 10:15 pm
FCO
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m
1 stop
$543Icelandair
Fri, Aug 28 - Thu, Sep 24
Icelandair Logo
3:45 pm - 10:15 pm
FCO
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m
1 stop
$552Icelandair
Fri, Aug 28 - Wed, Sep 23
Icelandair Logo
3:45 pm - 7:20 pm
FCO
-
IAD
33h 35m
1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m
1 stop
$553Icelandair
Wed, Aug 26 - Wed, Sep 23
Aer Lingus Logo
11:10 am - 7:00 pm
FCO
-
IAD
13h 50m
1 stop
Aer Lingus Logo
5:15 pm - 7:55 pm
IAD
-
FCO
20h 40m
1 stop
$580Aer Lingus
Thu, Jun 4 - Sun, Jun 7
Aer Lingus Logo
7:30 am - 3:45 pm
FCO
-
IAD
14h 15m
1 stop
Aer Lingus Logo
9:00 pm - 7:55 pm
IAD
-
FCO
16h 55m
1 stop
$582Aer Lingus
Thu, Jun 4 - Sun, Jun 14
Multiple Airlines Logo
6:00 am - 3:10 pm
CIA
-
IAD
39h 10m
3 stops
Multiple Airlines Logo
8:18 am - 7:25 pm
IAD
-
CIA
29h 07m
3 stops
$845Multiple Airlines
Thu, Jun 4 - Sun, Jun 7
Multiple Airlines Logo
6:00 am - 7:35 pm
CIA
-
IAD
19h 35m
2 stops
Multiple Airlines Logo
6:15 pm - 7:55 pm
IAD
-
CIA
19h 40m
2 stops
$865Multiple Airlines
Sat, Jun 6 - Sat, Jun 13

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

Our best British Airways deals on Rome to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
May 19
FCO2:15 pmRome Fiumicino
14h 51m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
Jun 1
IAD10:25 pmWashington, D.C. Dulles Intl
14h 55m
1 stop
FCO7:20 pmRome Fiumicino
$598
British Airways
May 19
FCO2:15 pmRome Fiumicino
14h 51m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
May 29
IAD5:35 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
FCO11:25 amRome Fiumicino
$609
British Airways
May 21
FCO1:30 pmRome Fiumicino
16h 43m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
Jun 3
IAD10:25 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
FCO4:55 pmRome Fiumicino
$611

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

Our best Aer Lingus deals on Rome to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Jun 4
FCO11:10 amRome Fiumicino
13h 50m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
Jun 7
IAD5:15 pmWashington, D.C. Dulles Intl
20h 40m
1 stop
FCO7:55 pmRome Fiumicino
$580
Aer Lingus
Jun 4
FCO7:30 amRome Fiumicino
14h 15m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Jun 14
IAD9:00 pmWashington, D.C. Dulles Intl
16h 55m
1 stop
FCO7:55 pmRome Fiumicino
$582
Aer Lingus
Jun 4
FCO7:30 amRome Fiumicino
14h 15m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Jun 14
IAD5:15 pmWashington, D.C. Dulles Intl
20h 40m
1 stop
FCO7:55 pmRome Fiumicino
$583

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 May 15, 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

Cheapest round-trip
Quickest round-trip

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 9/11

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sun 9/20

8:30 pm-2:35 pm

1 stop12h 05m

$520

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 10/29

5:55 am-4:15 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Thu 11/5

5:25 pm-6:45 pm

1 stop19h 20m

$526

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 9/9

3:45 pm-7:20 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Wed 9/16

8:30 pm-2:35 pm

1 stop12h 05m

$530

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 8/28

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Thu 9/24

8:30 pm-2:35 pm

1 stop12h 05m

$543

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Fri 8/28

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Wed 9/23

8:30 pm-2:35 pm

1 stop12h 05m

$552

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 8/26

3:45 pm-7:20 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Wed 9/23

8:30 pm-2:35 pm

1 stop12h 05m

$553

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 6/4

11:10 am-7:00 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Sun 6/7

5:15 pm-7:55 pm

1 stop20h 40m

$580

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 6/4

7:30 am-3:45 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 6/14

9:00 pm-7:55 pm

1 stop16h 55m

$582

RomeWashington, D.C.

CIA - IAD

CIAIAD

Rome Ciampino

Thu 6/4

6:00 am-3:10 pm

3 stops39h 10m

Washington, D.C. Dulles Intl

Sun 6/7

8:18 am-7:25 pm

3 stops29h 07m

$845

RomeWashington, D.C.

CIA - IAD

CIAIAD

Rome Ciampino

Sat 6/6

6:00 am-7:35 pm

2 stops19h 35m

Washington, D.C. Dulles Intl

Sat 6/13

6:15 pm-7:55 pm

2 stops19h 40m

$865

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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, August 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 $421. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $427.

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

Our data shows that Friday 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 $724. When flying out on a Monday, 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 $849.

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 $771 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 $795 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

Can stopping save me money on Rome to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Rome to Washington, D.C. Dulles Intl Airport flight.

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

As of May 2026, prices for Rome to Washington, D.C. Dulles Intl Airport flights are approximately 1% 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

$744

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 $744. The best round-trip flight deal from Rome to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $841.
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.

Frequently asked questions about flying from Rome to Washington, D.C. Dulles Intl Airport

  • 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 $618Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.0
654 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 $618 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $772 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
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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
Sun 6/14
Sun 6/21

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