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

This is the cheapest round-trip 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 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rome to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:45 pm - 7:20 pm
FCO
-
IAD
33h 35m
1 stop
Icelandair Logo
8:40 pm - 2:00 pm
IAD
-
FCO
12h 20m
1 stop
$504Icelandair
Mon, Oct 12 - Mon, Oct 26
Icelandair Logo
3:55 pm - 7:20 pm
FCO
-
IAD
33h 25m
1 stop
Icelandair Logo
11:20 pm - 2:35 pm
IAD
-
FCO
33h 15m
1 stop
$509Icelandair
Thu, Aug 20 - Sat, Sep 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
$510Icelandair
Mon, Aug 24 - Wed, Sep 9
TAP AIR PORTUGAL Logo
5:40 pm - 3:10 pm
FCO
-
IAD
27h 30m
1 stop
TAP AIR PORTUGAL Logo
5:05 pm - 12:25 pm
IAD
-
FCO
13h 20m
1 stop
$511TAP AIR PORTUGAL
Sat, Oct 10 - Sat, Oct 24
TAP AIR PORTUGAL Logo
8:00 pm - 3:10 pm
FCO
-
IAD
25h 10m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m
1 stop
$512TAP AIR PORTUGAL
Tue, Oct 20 - Sun, Nov 22
Icelandair Logo
3:45 pm - 10:15 pm
FCO
-
IAD
12h 30m
1 stop
Icelandair Logo
8:30 pm - 2:25 pm
IAD
-
FCO
11h 55m
1 stop
$514Icelandair
Sat, Sep 5 - Sat, Sep 12
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
$515Icelandair
Mon, Aug 31 - Sun, Sep 13
Scandinavian Airlines Logo
11:55 am - 5:15 pm
FCO
-
IAD
35h 20m
1 stop
Scandinavian Airlines Logo
8:30 pm - 11:05 am
IAD
-
FCO
32h 35m
1 stop
$517Scandinavian Airlines
Wed, Dec 23 - Thu, Jan 7
Multiple Airlines Logo
6:15 am - 3:10 pm
CIA
-
IAD
38h 55m
3 stops
Multiple Airlines Logo
8:30 pm - 9:30 pm
IAD
-
CIA
19h 00m
3 stops
$838Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
Multiple Airlines Logo
6:15 am - 7:00 pm
CIA
-
IAD
42h 45m
3 stops
Multiple Airlines Logo
7:40 pm - 4:40 pm
IAD
-
CIA
15h 00m
2 stops
$858Multiple Airlines
Tue, Oct 20 - Thu, Nov 26

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

Our best Scandinavian Airlines deals on Rome to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
Dec 23
FCO11:55 amRome Fiumicino
35h 20m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Jan 7
IAD8:30 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
FCO11:05 amRome Fiumicino
$517
Scandinavian Airlines
Dec 22
FCO11:55 amRome Fiumicino
35h 20m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Jan 7
IAD8:30 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
FCO11:05 amRome Fiumicino
$540
Scandinavian Airlines
Dec 21
FCO5:55 pmRome Fiumicino
53h 20m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
Jan 9
IAD8:30 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
FCO11:05 amRome Fiumicino
$548

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
Oct 10
FCO5:40 pmRome Fiumicino
27h 30m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Oct 24
IAD5:05 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
FCO12:25 pmRome Fiumicino
$511
TAP AIR PORTUGAL
Oct 20
FCO8:00 pmRome Fiumicino
25h 10m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Nov 22
IAD10:30 pmWashington, D.C. Dulles Intl
19h 35m
1 stop
FCO12:05 amRome Fiumicino
$512
TAP AIR PORTUGAL
Nov 22
FCO5:55 amRome Fiumicino
20h 40m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Dec 7
IAD5:25 pmWashington, D.C. Dulles Intl
24h 40m
1 stop
FCO12:05 amRome Fiumicino
$522

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 July 1, 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

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 10/12

3:45 pm-7:20 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Mon 10/26

8:40 pm-2:00 pm

1 stop12h 20m

$504

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 8/20

3:55 pm-7:20 pm

1 stop33h 25m

Washington, D.C. Dulles Intl

Sat 9/5

11:20 pm-2:35 pm

1 stop33h 15m

$509

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 8/24

3:45 pm-7:20 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Wed 9/9

8:30 pm-2:35 pm

1 stop12h 05m

$510

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 10/10

5:40 pm-3:10 pm

1 stop27h 30m

Washington, D.C. Dulles Intl

Sat 10/24

5:05 pm-12:25 pm

1 stop13h 20m

$511

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Tue 10/20

8:00 pm-3:10 pm

1 stop25h 10m

Washington, D.C. Dulles Intl

Sun 11/22

10:30 pm-12:05 am

1 stop19h 35m

$512
Quickest round-trip

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 9/5

3:45 pm-10:15 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Sat 9/12

8:30 pm-2:25 pm

1 stop11h 55m

$514

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Mon 8/31

3:45 pm-7:20 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Sun 9/13

8:30 pm-2:35 pm

1 stop12h 05m

$515

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 12/23

11:55 am-5:15 pm

1 stop35h 20m

Washington, D.C. Dulles Intl

Thu 1/7

8:30 pm-11:05 am

1 stop32h 35m

$517

RomeWashington, D.C.

CIA - IAD

CIAIAD

Rome Ciampino

Tue 8/25

6:15 am-3:10 pm

3 stops38h 55m

Washington, D.C. Dulles Intl

Mon 8/31

8:30 pm-9:30 pm

3 stops19h 00m

$838

RomeWashington, D.C.

CIA - IAD

CIAIAD

Rome Ciampino

Tue 10/20

6:15 am-7:00 pm

3 stops42h 45m

Washington, D.C. Dulles Intl

Thu 11/26

7:40 pm-4:40 pm

2 stops15h 00m

$858

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, 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 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 $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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $779 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 $841 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

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

There are 3 cabin classes available to choose from on Rome to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 July 2026, prices for Rome to Washington, D.C. Dulles Intl Airport flights are approximately 4% cheaper 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

$756

Fastest flight time

9h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Rome in the past 72 hours is $756. The best round-trip flight deal from Rome to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $772.
The fastest flight from Rome to Washington, D.C. Dulles Intl Airport takes 9h 55m
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 55m 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
9,908 reviews
Search United Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.0
694 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 21 United Airlines flights for this route in a normal week, average airfare is usually $810 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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 7/31
Fri 8/7

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