What are the cheapest airlines flying from Rome Fiumicino Airport to Washington, D.C. round-trip?

Our cheapest airline available from Rome Fiumicino Airport to Washington, D.C. is KLM. Our recent data shows that you can find tickets from as low as $576 on this airline. Additional options worth looking into are Delta and ITA Airways, starting at $581 and $586 round-trip. You may be able to fly from Rome Fiumicino Airport to Washington, D.C. for 19% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Rome Fiumicino Airport to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from Rome Fiumicino Airport to Washington, D.C. are Icelandair ($457), Aer Lingus ($511), and Royal Air Maroc ($528).

What is the cheapest day to fly from Rome Fiumicino Airport to Washington, D.C.?

Travelers seeking maximum savings on their Rome Fiumicino Airport to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Rome Fiumicino Airport to Washington, D.C.?

Most travelers choose Rome Fiumicino - Washington, D.C. Dulles Intl, Rome Fiumicino - Baltimore/Washington or Rome Fiumicino - Washington, D.C. Reagan-National when deciding on the best route from Rome Fiumicino Airport to Washington, D.C..

What is the cheapest day to fly round-trip from Rome Fiumicino Airport to Washington, D.C.?

Users have found that flying from Rome Fiumicino Airport to Washington, D.C. on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Rome Fiumicino Airport to Washington, D.C.?

The best pricing can be found in the month of September. Prices to Washington, D.C. from Rome Fiumicino Airport average $740. You can even find prices in September for less than $740, as users have found deals to Washington, D.C. from as low as $521. The month of January appears to be one of the more expensive times to travel to Washington, D.C. from Rome Fiumicino Airport. Flying in the targeted month can save you up to 22%.

How can I find direct flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Leonardo da Vinci/Fiumicino to Washington, D.C..

Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?

Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$291+ Flights from Rome Fiumicino Airport to Washington, D.C.

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Find cheap flights from Leonardo da Vinci/Fiumicino to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Rome Fiumicino to Washington, D.C. are usually found in March or February, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C.

Round-trip from	$576 (Travelis)
One-way from	$291 (Kiwi.com)
Popular in	July
Cheapest in	March
Average price	$632
Good round-trip deal	$573 or less
Good one-way deal	$644 or less

From Rome Fiumicino to Washington, D.C. (WAS)

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One-way flight from Rome Fiumicino to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($114 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Rome Fiumicino to Washington, D.C. (WAS).

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Price to beat on a one-way flight from Rome Fiumicino to Washington, D.C. (WAS).

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Find flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C.

Cheapest flights from Leonardo da Vinci/Fiumicino to Washington, D.C.
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Mon 6/236:00 amFCO - IAD

1 stop15h 35mKLM

Mon 7/71:00 pmIAD - FCO

1 stop14h 20mKLM

Deal found 6/12

$576

Fri 9/261:35 pmFCO - DCA

1 stop15h 32mIberia

Sun 10/51:36 pmDCA - FCO

1 stop11h 29mIberia

Deal found 6/10

$579

Fri 9/2612:10 pmFCO - BWI

1 stop16h 52mBritish Airways

Sun 10/59:20 pmBWI - FCO

1 stop11h 05mBritish Airways

Deal found 6/10

$579

Thu 6/266:00 amFCO - IAD

1 stop15h 35mMultiple Airlines

Sat 7/129:20 pmIAD - FCO

1 stop11h 30mMultiple Airlines

Deal found 6/10

$579

Sun 6/226:00 amFCO - IAD

1 stop15h 35mDelta

Mon 7/79:20 pmIAD - FCO

1 stop11h 30mDelta

Deal found 6/10

$581

Mon 12/111:30 amFCO - BWI

1 stop13h 00mIcelandair

Sat 12/67:30 pmBWI - FCO

1 stop12h 30mIcelandair

Deal found 6/11

$583

Thu 6/2610:40 amFCO - IAD

Nonstop10h 00mITA Airways

Tue 7/154:30 pmIAD - FCO

Nonstop8h 45mITA Airways

Deal found 6/12

$583

Sat 10/182:05 pmFCO - IAD

1 stop12h 15mBritish Airways

Sun 11/29:55 pmIAD - FCO

1 stop12h 35mBritish Airways

Deal found 6/11

$589

Fri 9/2612:45 pmFCO - DCA

2 stops15h 34mDelta

Sun 10/511:00 amDCA - FCO

1 stop17h 05mDelta

Deal found 6/10

$590

Thu 6/1912:45 pmFCO - BWI

2 stops17h 44mKLM

Fri 7/44:45 pmBWI - FCO

1 stop13h 30mKLM

Deal found 6/10

$590

Wed 6/253:45 pmFCO - IAD

1 stop12h 25mIcelandair

Sun 7/611:15 pmIAD - FCO

1 stop33h 20mIcelandair

Deal found 6/12

$591

Tue 10/1410:20 amFCO - DCA

1 stop12h 52mBritish Airways

Sun 10/192:35 pmDCA - FCO

1 stop12h 35mBritish Airways

Deal found 6/12

$593

Best flights from Leonardo da Vinci/Fiumicino to Washington, D.C.
Discover carefully curated flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 6/236:00 amFCO - IAD

1 stop15h 35mKLM

Mon 7/71:00 pmIAD - FCO

1 stop14h 20mKLM

Deal found 6/12

$576

Thu 6/266:00 amFCO - IAD

1 stop15h 35mMultiple Airlines

Sat 7/129:20 pmIAD - FCO

1 stop11h 30mMultiple Airlines

Deal found 6/10

$579

Sun 6/226:00 amFCO - IAD

1 stop15h 35mDelta

Mon 7/79:20 pmIAD - FCO

1 stop11h 30mDelta

Deal found 6/10

$581

Mon 6/2310:40 amFCO - IAD

Nonstop10h 00mITA Airways

Mon 7/74:30 pmIAD - FCO

Nonstop8h 45mITA Airways

Deal found 6/12

$586

Wed 6/253:45 pmFCO - IAD

1 stop12h 25mIcelandair

Sun 7/611:15 pmIAD - FCO

1 stop33h 20mIcelandair

Deal found 6/12

$591

Thu 6/1911:35 amFCO - BWI

1 stop17h 08mAir France

Fri 7/44:45 pmBWI - FCO

1 stop13h 30mAir France

Deal found 6/10

$597

Fri 7/255:45 pmFCO - IAD

1 stop27h 35mTAP AIR PORTUGAL

Fri 8/110:20 pmIAD - FCO

1 stop19h 50mTAP AIR PORTUGAL

Deal found 6/10

$617

Sat 8/910:00 amFCO - IAD

1 stop16h 05mLufthansa

Thu 9/410:20 pmIAD - FCO

1 stop13h 45mLufthansa

Deal found 6/10

$628

Tue 7/87:00 amFCO - IAD

1 stop34h 45mTurkish Airlines

Fri 7/181:30 pmIAD - FCO

1 stop28h 00mTurkish Airlines

Deal found 6/10

$639

Tue 7/221:10 pmFCO - IAD

2 stops16h 48mAmerican Airlines

Mon 8/41:19 pmIAD - FCO

2 stops27h 31mAmerican Airlines

Deal found 6/11

$667

Tue 7/81:25 pmFCO - DCA

1 stop15h 46mIberia

Tue 7/152:54 pmDCA - FCO

1 stop10h 11mIberia

Deal found 6/10

$678

Wed 7/911:05 amFCO - DCA

1 stop15h 39mBritish Airways

Tue 7/222:54 pmDCA - FCO

1 stop10h 11mBritish Airways

Deal found 6/10

$679

Last-minute flights from Leonardo da Vinci/Fiumicino to Washington, D.C.
Discover last-minute flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1712:20 pmFCO - IAD

1 stop13h 30mAir France

Mon 6/239:20 pmIAD - FCO

1 stop11h 30mAir France

Deal found 6/10

$608

Wed 6/186:30 amFCO - BWI

2 stops16h 23mDelta

Mon 6/231:34 pmBWI - FCO

1 stop15h 31mDelta

Deal found 6/10

$601

Thu 6/196:30 amFCO - IAD

1 stop15h 05mMultiple Airlines

Fri 7/45:29 pmIAD - FCO

1 stop12h 46mMultiple Airlines

Deal found 6/10

$584

Thu 6/196:30 amFCO - IAD

1 stop15h 05mKLM

Fri 7/48:30 pmIAD - FCO

2 stops16h 20mKLM

Deal found 6/10

$586

Thu 6/1912:45 pmFCO - BWI

2 stops17h 44mKLM

Fri 7/44:45 pmBWI - FCO

1 stop13h 30mKLM

Deal found 6/10

$590

Thu 6/1911:35 amFCO - BWI

1 stop17h 08mAir France

Fri 7/44:45 pmBWI - FCO

1 stop13h 30mAir France

Deal found 6/10

$597

Thu 6/1910:25 amFCO - DCA

2 stops15h 29mDelta

Fri 7/46:59 pmDCA - FCO

2 stops15h 01mDelta

Deal found 6/12

$599

Thu 6/1912:45 pmFCO - DCA

2 stops16h 48mKLM

Fri 7/44:50 pmDCA - FCO

2 stops17h 45mKLM

Deal found 6/12

$605

Sun 6/226:00 amFCO - IAD

1 stop15h 35mDelta

Mon 7/79:20 pmIAD - FCO

1 stop11h 30mDelta

Deal found 6/10

$581

Sun 6/2210:40 amFCO - IAD

Nonstop10h 00mITA Airways

Mon 7/78:31 pmIAD - FCO

1 stop28h 09mITA Airways

Deal found 6/10

$680

Sun 6/2212:10 pmFCO - DCA

1 stop15h 50mAmerican Airlines

Mon 7/72:54 pmDCA - FCO

1 stop10h 11mAmerican Airlines

Deal found 6/11

$735

Sun 6/2212:10 pmFCO - BWI

1 stop18h 05mAmerican Airlines

Mon 7/78:10 amBWI - FCO

1 stop19h 40mAmerican Airlines

Deal found 6/10

$735

One-way flights from Leonardo da Vinci/Fiumicino to Washington, D.C.
Search for one-way flight options from Leonardo da Vinci/Fiumicino to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 9/57:25 amFCO - BWI

2 stops30h 08mMultiple Airlines

Deal found 6/10

$291

Fri 9/53:45 pmFCO - BWI

1 stop33h 40mIcelandair

Deal found 6/11

$457

Wed 6/186:05 amFCO - IAD

2 stops19h 00mMultiple Airlines

Deal found 6/10

$489

Sun 6/226:30 amFCO - DCA

2 stops33h 48mMultiple Airlines

Deal found 6/10

$507

Mon 8/257:30 amFCO - IAD

1 stop14h 20mAer Lingus

Deal found 6/10

$511

Sat 8/233:45 pmFCO - IAD

1 stop12h 25mIcelandair

Deal found 6/11

$513

Wed 6/185:40 pmFCO - IAD

1 stop31h 25mRoyal Air Maroc

Deal found 6/12

$528

Mon 8/253:45 pmFCO - DCA

2 stops21h 53mIcelandair

Deal found 6/10

$548

Sat 7/265:55 amFCO - IAD

1 stop15h 25mTAP AIR PORTUGAL

Deal found 6/10

$566

Thu 7/107:55 pmFCO - IAD

1 stop21h 50mTurkish Airlines

Deal found 6/10

$573

Tue 9/210:20 amFCO - IAD

Nonstop10h 00mLufthansa

Deal found 6/12

$589

Thu 9/410:40 amFCO - IAD

Nonstop10h 00mITA Airways

Deal found 6/11

$627

Cheapflights Fare Finder

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

Mon 6/23

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 7/7

1:00 pm-9:20 am

1 stop14h 20m

$576

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Fri 9/26

1:35 pm-11:07 pm

1 stop15h 32m

Washington, D.C. Reagan-National

Sun 10/5

1:36 pm-7:05 am

1 stop11h 29m

$579

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 6/26

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 7/12

9:20 pm-2:50 pm

1 stop11h 30m

$579

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sun 6/22

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 7/7

9:20 pm-2:50 pm

1 stop11h 30m

$581

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Thu 6/26

10:40 am-2:40 pm

Nonstop10h 00m

Washington, D.C. Dulles Intl

Tue 7/15

4:30 pm-7:15 am

Nonstop8h 45m

$583

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Sat 10/18

2:05 pm-8:20 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 11/2

9:55 pm-4:30 pm

1 stop12h 35m

$589

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Fri 9/26

12:45 pm-10:19 pm

2 stops15h 34m

Washington, D.C. Reagan-National

Sun 10/5

11:00 am-10:05 am

1 stop17h 05m

$590

RomeBaltimore

FCO - BWI

FCOBWI

Rome Fiumicino

Thu 6/19

12:45 pm-12:29 am

2 stops17h 44m

Baltimore/Washington

Fri 7/4

4:45 pm-12:15 pm

1 stop13h 30m

$590

RomeWashington, D.C.

FCO - IAD

FCOIAD

Rome Fiumicino

Wed 6/25

3:45 pm-10:10 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Sun 7/6

11:15 pm-2:35 pm

1 stop33h 20m

$591

RomeWashington, D.C.

FCO - DCA

FCODCA

Rome Fiumicino

Tue 10/14

10:20 am-5:12 pm

1 stop12h 52m

Washington, D.C. Reagan-National

Sun 10/19

2:35 pm-9:10 am

1 stop12h 35m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 57 results

...

The best insider tips for Rome Fiumicino Airport to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Rome Fiumicino Airport to Washington, D.C. trip

Airports

FCO

Consider using the Fast Track at FCO for a quicker security and passport control process, available for a nominal fee.

IAD

Use the Washington Metro Silver line for a cost-effective 40-minute ride to D.C. from IAD, located five minutes from the main terminal.

Our travel experts

Robert Schrader

Expert on FCO

Ramsey Qubein

Expert on IAD

Best time to book a flight from Leonardo da Vinci/Fiumicino to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Leonardo da Vinci/Fiumicino with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rome Fiumicino Airport to Washington, D.C.

How far ahead should I book a flight from Rome Fiumicino Airport to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from Rome Fiumicino Airport to Washington, D.C., you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Rome Fiumicino Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. (average of $241). Flying from Rome Fiumicino Airport to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FCO to WAS?

One of the essential ways to save on airfare from Rome Fiumicino Airport to Washington, D.C. is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

Weekly flight availability from Rome Fiumicino Airport to Washington, D.C.

The most flights from FCO to WAS are scheduled on a Thursday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, KLM and LOT from Rome to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LOT

7.6

Good

1,077 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Rome Fiumicino Airport to Washington, D.C. round-trip?
Our cheapest airline available from Rome Fiumicino Airport to Washington, D.C. is KLM. Our recent data shows that you can find tickets from as low as $576 on this airline. Additional options worth looking into are Delta and ITA Airways, starting at $581 and $586 round-trip. You may be able to fly from Rome Fiumicino Airport to Washington, D.C. for 19% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Rome Fiumicino Airport to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Rome Fiumicino Airport to Washington, D.C. are Icelandair ($457), Aer Lingus ($511), and Royal Air Maroc ($528).
What are the most popular routes from Rome Fiumicino Airport to Washington, D.C.?
Most travelers choose Rome Fiumicino - Washington, D.C. Dulles Intl, Rome Fiumicino - Baltimore/Washington or Rome Fiumicino - Washington, D.C. Reagan-National when deciding on the best route from Rome Fiumicino Airport to Washington, D.C..
Can I find deals for flights from Leonardo da Vinci/Fiumicino to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Leonardo da Vinci/Fiumicino to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Leonardo da Vinci/Fiumicino to Washington, D.C..
Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?
Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Rome Fiumicino Airport to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Washington, D.C. (average of $241). Flying from Rome Fiumicino Airport to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Leonardo da Vinci/Fiumicino to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
ITA Airways	Cheapest$526	Average$620	FlexibilityNo cancel fee	On-time81%
Aer Lingus	Cheapest$557	Average$677	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$656	Average$800	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$682	Average$831	FlexibilityNo cancel fee	On-time69%

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$291+ Cheap flights from Fiumicino (FCO) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Leonardo da Vinci/Fiumicino to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Rome Fiumicino to Washington, D.C. are usually found in March or February, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Leonardo da Vinci/Fiumicino to Washington, D.C.

Cheapest flights from Leonardo da Vinci/Fiumicino to Washington, D.C.Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rome Fiumicino Airport to Washington, D.C. that are best for you.

The best insider tips for Rome Fiumicino Airport to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Rome Fiumicino Airport to Washington, D.C. trip

Airports

FCO

IAD

Our travel experts

Best time to book a flight from Leonardo da Vinci/Fiumicino to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Leonardo da Vinci/Fiumicino with our price prediction graph.

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Everything you need to know about your flight from Rome Fiumicino Airport to Washington, D.C.

How far ahead should I book a flight from Rome Fiumicino Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Leonardo da Vinci/Fiumicino to Washington, D.C.. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Rome Fiumicino Airport to Washington, D.C.?

What is the cheapest time of day to fly from FCO to WAS?

Find hourly flight availability from Leonardo da Vinci/Fiumicino to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Weekly flight availability from Rome Fiumicino Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, KLM and LOT from Rome to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Rome Fiumicino Airport to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Rome Fiumicino Airport to Washington, D.C. one-way?

What are the most popular routes from Rome Fiumicino Airport to Washington, D.C.?

Can I find deals for flights from Leonardo da Vinci/Fiumicino to Washington, D.C. that include hotel bookings?

How can I find direct flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?

Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Washington, D.C.?

What is the cheapest month to book a flight from Rome Fiumicino Airport to Washington, D.C.?

Traveling to a place near Rome Fiumicino Airport?

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Alternative routes for Leonardo da Vinci/Fiumicino to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Leonardo da Vinci/Fiumicino to Washington, D.C.

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Cheapest flights from Leonardo da Vinci/Fiumicino to Washington, D.C.
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.