Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $375

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 2/5. 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 - 3:15 pm
FCO
-
IAD
28h 35m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$433TAP AIR PORTUGAL
Sun, Jan 25 - Sun, Feb 1
Icelandair Logo
3:45 pm - 10:30 pm
FCO
-
IAD
12h 45m1 stop
Icelandair Logo
8:30 pm - 2:35 pm
IAD
-
FCO
12h 05m1 stop
$439Icelandair
Wed, May 13 - Sat, May 23
Icelandair Logo
3:45 pm - 10:30 pm
FCO
-
IAD
12h 45m1 stop
Icelandair Logo
11:35 pm - 11:35 pm
IAD
-
FCO
18h 00m1 stop
$440Icelandair
Wed, May 13 - Fri, May 22
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
FCO
-
IAD
15h 15m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 12:05 am
IAD
-
FCO
19h 35m1 stop
$448TAP AIR PORTUGAL
Sat, Mar 7 - Sun, Mar 15
British Airways Logo
8:30 pm - 6:45 pm
FCO
-
BWI
28h 15m1 stop
British Airways Logo
8:35 pm - 5:35 pm
BWI
-
FCO
15h 00m1 stop
$615British Airways
Sat, Jan 24 - Sat, Jan 31
British Airways Logo
1:10 pm - 8:46 pm
FCO
-
DCA
13h 36m1 stop
British Airways Logo
1:30 pm - 12:20 pm
DCA
-
FCO
17h 50m2 stops
$616British Airways
Fri, Feb 13 - Tue, Mar 10
American Airlines Logo
12:20 pm - 6:45 pm
FCO
-
BWI
12h 25m1 stop
American Airlines Logo
11:13 am - 12:25 pm
BWI
-
FCO
43h 12m2 stops
$617American Airlines
Fri, Jan 23 - Tue, Jan 27
American Airlines Logo
12:20 pm - 6:45 pm
FCO
-
BWI
12h 25m1 stop
American Airlines Logo
8:35 pm - 2:30 pm
BWI
-
FCO
11h 55m1 stop
$618American Airlines
Sun, Jan 25 - Sun, Feb 1
Delta Logo
6:10 am - 5:04 pm
FCO
-
DCA
16h 54m2 stops
Delta Logo
5:00 pm - 3:15 pm
DCA
-
FCO
16h 15m2 stops
$628Delta
Tue, Jan 20 - Fri, Jan 30
Delta Logo
6:10 am - 5:00 pm
FCO
-
DCA
16h 50m2 stops
Delta Logo
11:10 am - 9:45 am
DCA
-
FCO
16h 35m1 stop
$632Delta
Tue, Jan 20 - Fri, Jan 30

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

Our best TAP AIR PORTUGAL deals on Rome Fiumicino Airport to Washington, D.C. flight tickets
TAP AIR PORTUGAL
Jan 25
FCO4:40 pmRome Fiumicino
28h 35m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Feb 1
IAD10:30 pmWashington, D.C. Dulles Intl
19h 35m
1 stop
FCO12:05 amRome Fiumicino
TAP AIR PORTUGAL
Mar 7
FCO6:00 amRome Fiumicino
15h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Mar 15
IAD11:30 pmWashington, D.C. Dulles Intl
19h 35m
1 stop
FCO12:05 amRome Fiumicino
TAP AIR PORTUGAL
Jan 17
FCO4:40 pmRome Fiumicino
34h 20m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Jan 30
IAD10:30 pmWashington, D.C. Dulles Intl
19h 35m
1 stop
FCO12:05 amRome Fiumicino

Icelandair flights from Rome Fiumicino Airport to Washington, D.C.

Our best Icelandair deals on Rome Fiumicino Airport to Washington, D.C. flight tickets
Icelandair
May 13
FCO3:45 pmRome Fiumicino
12h 45m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
May 23
IAD8:30 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
FCO2:35 pmRome Fiumicino
Icelandair
May 13
FCO3:45 pmRome Fiumicino
12h 45m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
May 22
IAD11:35 pmWashington, D.C. Dulles Intl
18h 00m
1 stop
FCO11:35 pmRome Fiumicino
Icelandair
Feb 12
FCO11:25 amRome Fiumicino
13h 05m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 10
IAD8:40 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
FCO2:00 pmRome Fiumicino

momondo Fare Finder

 
Customize your flight search to find flights from Rome Fiumicino Airport to Washington, D.C. 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 11, 2025.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 1/25

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

$433

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 5/13

3:45 pm-10:30 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Sat 5/23

8:30 pm-2:35 pm

1 stop12h 05m

$439

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 5/13

3:45 pm-10:30 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Fri 5/22

11:35 pm-11:35 pm

1 stop18h 00m

$440

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 3/7

6:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-12:05 am

1 stop19h 35m

$448

RomeBaltimore

FCO - BWI

FCOBWI

Rome Fiumicino

Sat 1/24

8:30 pm-6:45 pm

1 stop28h 15m

Baltimore/Washington

Sat 1/31

8:35 pm-5:35 pm

1 stop15h 00m

$615

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Fri 2/13

1:10 pm-8:46 pm

1 stop13h 36m

Washington, D.C. Reagan-National

Tue 3/10

1:30 pm-12:20 pm

2 stops17h 50m

$616

RomeBaltimore

FCO - BWI

FCOBWI

Rome Fiumicino

Fri 1/23

12:20 pm-6:45 pm

1 stop12h 25m

Baltimore/Washington

Tue 1/27

11:13 am-12:25 pm

2 stops43h 12m

$617

RomeBaltimore

FCO - BWI

FCOBWI

Rome Fiumicino

Sun 1/25

12:20 pm-6:45 pm

1 stop12h 25m

Baltimore/Washington

Sun 2/1

8:35 pm-2:30 pm

1 stop11h 55m

$618

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Tue 1/20

6:10 am-5:04 pm

2 stops16h 54m

Washington, D.C. Reagan-National

Fri 1/30

5:00 pm-3:15 pm

2 stops16h 15m

$628

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Tue 1/20

6:10 am-5:00 pm

2 stops16h 50m

Washington, D.C. Reagan-National

Fri 1/30

11:10 am-9:45 am

1 stop16h 35m

$632

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 Fiumicino Airport to Washington, D.C.

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.?

The month of March is, on average, the cheapest month to fly to Washington, D.C. from Rome Fiumicino Airport, with most prices found around $594. If you’re not able to fly to Washington, D.C. in March, then February is your next best option. Flight prices from Rome Fiumicino Airport to Washington, D.C. during February average around $620.

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

On average, the least expensive day to fly to Washington, D.C. from Rome Fiumicino Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $723. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $954.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Rome Fiumicino Airport to Washington, D.C. when you can find flight prices for as low as $756. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $794. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Rome Fiumicino to Washington, D.C. Dulles Intl for the best Rome Fiumicino - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $817 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Rome Fiumicino Airport for as low as $589 on momondo.

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

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

As of December 2025, prices for Rome Fiumicino Airport to Washington, D.C. flights are approximately 40% more expensive when compared to flights at the same time last year.

When to book flights from Rome Fiumicino Airport to Washington, D.C.

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

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

Best Price Found

$679

Fastest flight time

9h 45m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. 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. found on momondo in the last 72 hours is $724.
The fastest flight from Rome Fiumicino Airport to Washington, D.C. takes 9h 45m
Direct flights go from Rome Fiumicino Airport to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Rome Fiumicino Airport there are direct flights to Washington, D.C. Dulles Intl (IAD).
  • How far is Rome Fiumicino to Washington, D.C. by plane?

    Washington, D.C. is 4474.2 mi away from Rome Fiumicino. Typically, this will take 9h 45m by plane in normal conditions.

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

    Prices for flights from Rome Fiumicino Airport to Washington, D.C. were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome Fiumicino Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $656Free CancellationRating
6.7
7,573 reviews
Search British Airways flights
United AirlinesPriceFrom $672Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
  • United Airlines Flights From Rome Fiumicino Airport to Washington, D.C.

    United Airlines flight deals from Rome Fiumicino Airport to Washington, D.C. start from $672 round-trip. Over the 10 United Airlines flights for this route in a normal week, average airfare is usually $852 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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.?

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?

Yes momondo offers price alerts on flights to Washington, D.C. from Rome. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 1/10
Sat 1/17

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.