Leonardo da Vinci/Fiumicino

$257+ Cheap flights from Washington to Fiumicino (FCO)

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
Mar 15 — Mar 221
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Cheap flight deals from Washington to Leonardo da Vinci/Fiumicino

Cheapest flights from Washington to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Washington to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
PDX
-
FCO
3 stops40h 55m
United Airlines
Wed 3/1812:15 pm
FCO
-
PDX
2 stops41h 43m
United Airlines
Deal found 2/10$492
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:49 pm
PDX
-
FCO
2 stops19h 11m
United Airlines
Wed 3/1812:15 pm
FCO
-
PDX
2 stops42h 30m
United Airlines
Deal found 2/10$496
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 pm
SEA
-
FCO
1 stop34h 35m
Icelandair
Wed 5/133:45 pm
FCO
-
SEA
1 stop13h 55m
Icelandair
Deal found 2/11$497
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
PDX
-
FCO
3 stops40h 55m
United Airlines
Tue 3/1712:10 pm
FCO
-
PDX
2 stops42h 50m
United Airlines
Deal found 2/10$497
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:40 pm
SEA
-
FCO
1 stop15h 25m
Delta
Fri 8/286:30 am
FCO
-
SEA
1 stop14h 07m
Delta
Deal found 2/12$498
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:35 pm
SEA
-
FCO
1 stop26h 15m
Delta
Wed 8/2612:45 pm
FCO
-
SEA
1 stop31h 52m
Delta
Deal found 2/12$499
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:55 pm
SEA
-
FCO
1 stop34h 10m
Scandinavian Airlines
Sat 9/127:25 pm
FCO
-
SEA
1 stop27h 20m
Scandinavian Airlines
Deal found 2/10$500
This Cheapflightsfares deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:39 pm
PDX
-
FCO
2 stops21h 46m
SWISS
Mon 3/169:35 am
FCO
-
PDX
2 stops21h 29m
SWISS
Deal found 2/9$500
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:40 pm
SEA
-
FCO
1 stop13h 55m
Icelandair
Sat 5/23:45 pm
FCO
-
SEA
1 stop13h 55m
Icelandair
Deal found 2/12$501
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:52 pm
PDX
-
FCO
2 stops18h 23m
United Airlines
Mon 3/1610:15 am
FCO
-
PDX
2 stops34h 18m
United Airlines
Deal found 2/9$501
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:00 am
SEA
-
FCO
2 stops39h 55m
United Airlines
Tue 3/1712:10 pm
FCO
-
SEA
2 stops42h 43m
United Airlines
Deal found 2/10$502
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:40 am
SEA
-
FCO
2 stops20h 45m
Delta
Thu 8/2710:35 am
FCO
-
SEA
1 stop14h 52m
Delta
Deal found 2/12$503

Find flight deals from Washington to Leonardo da Vinci/Fiumicino

Keep the following information in mind while searching for Washington to Leonardo da Vinci/Fiumicino flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(United Airlines)

One-way from

$257
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$586

Good round-trip deal

$860 or less

Good one-way deal

$714 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Rome (ROM) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Rome (ROM) flights.
From Washington to Rome Fiumicino
One-way flight from Washington to Rome Fiumicino
Highest demand for flights based on searches. 17% potential increase in price ($152 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Washington to Rome Fiumicino.
Price to beat on a one-way flight from Washington to Rome Fiumicino.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Leonardo da Vinci/Fiumicino 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Washington to Rome Fiumicino Airport that are best for you.

Fly from

Washington

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

PortlandRome

PDX - FCO

PDXFCO

Portland

Mon 3/9

7:00 am-9:10 am

2 stops18h 10m

Rome Fiumicino

Tue 3/17

10:05 am-12:25 pm

1 stop34h 20m

$509

PortlandRome

PDX - FCO

PDXFCO

Portland

Tue 3/10

7:00 am-7:55 am

3 stops40h 55m

Rome Fiumicino

Wed 3/25

7:00 am-11:04 pm

2 stops24h 04m

$512

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 3/10

6:00 am-10:45 pm

2 stops32h 45m

Rome Fiumicino

Tue 3/17

6:10 am-10:50 pm

2 stops24h 40m

$515

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 3/10

7:02 am-6:15 pm

2 stops27h 13m

Rome Fiumicino

Thu 3/19

7:05 am-9:03 pm

2 stops21h 58m

$515

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 3/10

6:00 am-10:45 pm

2 stops32h 45m

Rome Fiumicino

Thu 3/19

6:10 am-12:03 am

2 stops25h 53m

$515

PortlandRome

PDX - FCO

PDXFCO

Portland

Tue 3/10

7:00 am-9:10 am

2 stops18h 10m

Rome Fiumicino

Wed 3/18

8:20 am-10:10 pm

1 stop21h 50m

$518

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Wed 3/11

12:41 pm-11:00 pm

2 stops26h 19m

Rome Fiumicino

Wed 3/18

12:15 pm-9:59 pm

2 stops41h 44m

$595

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 3/17

10:40 pm-7:40 am

2 stops25h 00m

Rome Fiumicino

Thu 3/26

8:20 am-9:29 pm

2 stops21h 09m

$610

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Mon 3/16

10:40 pm-6:05 am

2 stops23h 25m

Rome Fiumicino

Thu 3/26

8:20 am-9:29 pm

2 stops21h 09m

$610

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 3/10

6:00 am-8:30 am

2 stops18h 30m

Rome Fiumicino

Wed 3/18

9:45 am-5:51 pm

1 stop16h 06m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 55 results
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Best time to book a flight from Washington to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Washington 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 Washington to Rome Fiumicino Airport

What is the cheapest month to book a flight from State of Washington to Rome Fiumicino Airport?

Currently, December is the cheapest month in which you can book a flight from State of Washington to Rome Fiumicino Airport (average of $373). Flying from State of Washington to Rome Fiumicino Airport in June is currently the most expensive (average of $600). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from State of Washington to Rome Fiumicino Airport?

    A quick flight from State of Washington to Rome Fiumicino Airport can take about 18h 10m. Delta provides one of the quickest options available for as low as $509. State of Washington and Rome Fiumicino Airport are separated by a distance of 5785 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Rome Fiumicino Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $231. Users have also found prices from $295 and $431 on WestJet and United Airlines, respectively.

  • What are the most popular routes from State of Washington to Rome Fiumicino Airport?

  • What are the cheapest flights from State of Washington to Rome Fiumicino Airport?

    Looking for the cheapest flight from State of Washington to Rome Fiumicino Airport? While on average our users pay $937, our data indicates the cheapest price to be $490. The most popular route (Seattle/Tacoma Intl - Rome Fiumicino), is priced around $454.

  • Can I find deals for flights from Washington to Leonardo da Vinci/Fiumicino that include hotel bookings?

    Yes. In addition to deals on Washington to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Leonardo da Vinci/Fiumicino?

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

  • Can I find deals for business class flights from Washington to Leonardo da Vinci/Fiumicino?

    Yes. Cheapflights offers flight deals from Washington to Leonardo da Vinci/Fiumicino 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 State of Washington to Rome Fiumicino Airport?

    Currently, December is the cheapest month in which you can book a flight from State of Washington to Rome Fiumicino Airport (average of $373). Flying from State of Washington to Rome Fiumicino Airport in June is currently the most expensive (average of $600). 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

Traveling to a place near Rome Fiumicino Airport?

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Fiumicino
Montepulciano
Santa Marinella

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Leonardo da Vinci/Fiumicino

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

Top 10 airlines flying from Washington to Leonardo da Vinci/Fiumicino

Discover the top 10 airlines that operate flights from Washington to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$664FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$488Average$760FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$494Average$736FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$500Average$703FlexibilityNo cancel feeOn-time76%
KLMCheapest$502Average$794FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$504Average$648FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$507Average$788FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$510Average$699FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$513Average$1,350FlexibilityNo cancel feeOn-time71%
DeltaCheapest$552Average$916FlexibilityNo cancel feeOn-timeN/A

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