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Cheap flights from Seattle to Rome Fiumicino Airport from C$ 519

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Leonardo da Vinci/Fiumicino

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Leonardo da Vinci/Fiumicino (FCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 November 2025.

Round-trip from

C$ 680

One-way from

C$ 519

Popular in

June

Cheapest in

November

Average price

C$ 912
United Airlines
  • United Airlines
  • 3/12-10/12
  • 3 total stops
  • 57h 38m total
  • Seattle to Rome
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2/12
  • 2/12
  • 1 total stop
  • 30h 25m total
  • Seattle to Rome
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Highest demand for flights based on searches. 17% potential increase in price (C$ 332 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 54 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Seattle to Leonardo da Vinci/Fiumicino

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Seattle to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Wed 3/128:10 a.m.SEA - FCO
1 stop15h 20mUnited Airlines
Wed 10/121:10 p.m.FCO - SEA
2 stops42h 18mUnited Airlines
Deal found 3/11C$ 680
Thu 4/122:35 p.m.SEA - FCO
1 stop14h 25mIcelandair
Tue 23/1211:25 a.m.FCO - SEA
1 stop14h 35mIcelandair
Deal found 3/11C$ 681
Wed 31/123:10 p.m.SEA - FCO
1 stop13h 15mUnited Airlines
Wed 14/111:15 a.m.FCO - SEA
2 stops44h 28mUnited Airlines
Deal found 3/11C$ 684
Tue 2/127:00 a.m.SEA - FCO
1 stop15h 45mUnited Airlines
Tue 16/127:05 a.m.FCO - SEA
1 stop14h 05mUnited Airlines
Deal found 3/11C$ 693
Wed 3/127:00 a.m.SEA - FCO
1 stop15h 45mUnited Airlines
Wed 24/127:00 a.m.FCO - SEA
1 stop15h 20mUnited Airlines
Deal found 3/11C$ 695
Wed 31/126:15 a.m.SEA - FCO
1 stop16h 40mKLM
Wed 14/15:15 p.m.FCO - SEA
1 stop27h 35mKLM
Deal found 3/11C$ 698
Tue 2/1211:50 p.m.SEA - FCO
2 stops23h 40mUnited Airlines
Sat 13/127:05 a.m.FCO - SEA
1 stop14h 05mUnited Airlines
Deal found 3/11C$ 700
Sat 6/127:00 a.m.SEA - FCO
1 stop15h 45mUnited Airlines
Sat 13/127:05 a.m.FCO - SEA
2 stops24h 11mUnited Airlines
Deal found 4/11C$ 701
Thu 4/127:34 p.m.SEA - FCO
2 stops27h 56mUnited Airlines
Wed 17/127:00 a.m.FCO - SEA
1 stop15h 20mUnited Airlines
Deal found 3/11C$ 703
Sun 7/127:00 a.m.SEA - FCO
1 stop15h 45mUnited Airlines
Mon 15/1210:55 a.m.FCO - SEA
1 stop20h 21mUnited Airlines
Deal found 3/11C$ 707
Wed 3/127:00 a.m.SEA - FCO
1 stop15h 45mUnited Airlines
Sun 14/127:00 a.m.FCO - SEA
2 stops24h 28mUnited Airlines
Deal found 3/11C$ 710

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 629,999 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Seattle to Rome Fiumicino Airport that are best for you.

Fly from

Seattle

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 2/12

7:00 a.m.-7:45 a.m.

1 stop15h 45m

Rome Fiumicino

Tue 9/12

7:05 a.m.-12:10 p.m.

1 stop14h 05m

C$ 693

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 10/1

8:10 a.m.-11:00 p.m.

2 stops29h 50m

Rome Fiumicino

Sat 31/1

7:05 a.m.-12:10 p.m.

1 stop14h 05m

C$ 704

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 3/2

7:00 a.m.-7:55 a.m.

1 stop15h 55m

Rome Fiumicino

Tue 17/2

9:45 a.m.-9:01 p.m.

2 stops20h 16m

C$ 707

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 3/2

8:40 a.m.-6:15 p.m.

3 stops24h 35m

Rome Fiumicino

Tue 17/2

7:00 a.m.-7:16 p.m.

2 stops21h 16m

C$ 708

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 10/1

12:35 p.m.-7:25 p.m.

2 stops21h 50m

Rome Fiumicino

Sat 31/1

2:50 p.m.-10:43 p.m.

2 stops40h 53m

C$ 725

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 26/11

5:05 a.m.-10:55 a.m.

2 stops20h 50m

Rome Fiumicino

Wed 10/12

1:10 p.m.-10:28 p.m.

2 stops42h 18m

C$ 735

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 27/4

2:00 p.m.-6:35 p.m.

2 stops19h 35m

Rome Fiumicino

Sun 10/5

9:30 a.m.-11:27 p.m.

2 stops22h 57m

C$ 756

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 29/4

2:00 p.m.-6:35 p.m.

2 stops19h 35m

Rome Fiumicino

Sat 9/5

11:55 a.m.-10:17 p.m.

2 stops43h 22m

C$ 773

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 29/4

2:00 p.m.-6:35 p.m.

2 stops19h 35m

Rome Fiumicino

Mon 11/5

11:55 a.m.-10:17 p.m.

2 stops43h 22m

C$ 773

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 27/4

12:00 p.m.-6:35 p.m.

2 stops21h 35m

Rome Fiumicino

Fri 8/5

11:55 a.m.-11:27 p.m.

2 stops44h 32m

C$ 773

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 19 results
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Best time to book a flight from Seattle to Leonardo da Vinci/Fiumicino

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

How far ahead should I book a flight from Seattle to Rome Fiumicino Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Leonardo da Vinci/Fiumicino. Price data was last updated on 31 October 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Rome Fiumicino Airport, you should look to book at least 39 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 Seattle to Rome Fiumicino Airport?

Currently, December is the cheapest month in which you can book a flight from Seattle to Rome Fiumicino Airport (average of C$ 536). Flying from Seattle to Rome Fiumicino Airport in February is currently the most expensive (average of C$ 886). 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 SEA to FCO?

Find hourly flight availability from Seattle to Leonardo da Vinci/Fiumicino. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

It’s typically best to fly out from Seattle to Rome Fiumicino Airport in the afternoon. Doing so could potentially save you 49% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Seattle to Rome Fiumicino Airport?

Related info for your journey

Find useful and relevant information for your journey from Seattle 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.

  • What airport do you fly from for flights from Seattle to Rome Fiumicino?

    If you book a flight to Rome Fiumicino from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Rome Fiumicino per day from 0 different airlines.

  • How long is the flight from Seattle to Rome Fiumicino Airport?

    United Airlines can get you from Seattle to Rome Fiumicino Airport in just under 15h 45m. Your travel time can differ by up to . Airlines will cover a distance of 9125 km.

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

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

  • How can I find direct flights from Seattle 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 Seattle to Leonardo da Vinci/Fiumicino.

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Rome Fiumicino Airport?

    Currently, December is the cheapest month in which you can book a flight from Seattle to Rome Fiumicino Airport (average of C$ 536). Flying from Seattle to Rome Fiumicino Airport in February is currently the most expensive (average of C$ 886). 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

Travelling to a place near Rome Fiumicino Airport?

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Anzio
Fiumicino

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