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Cheap flights from Seattle to Rome Fiumicino Airport from C$ 511

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 December 2025.

Wed 31/128:00 a.m.SEA - FCO
1 stop15h 30mUnited Airlines
Wed 14/111:15 a.m.FCO - SEA
2 stops33h 17mUnited Airlines
Deal found 3/12C$ 680
Wed 10/125:00 a.m.SEA - FCO
2 stops18h 30mUnited Airlines
Tue 16/129:45 a.m.FCO - SEA
2 stops21h 43mUnited Airlines
Deal found 3/12C$ 756
Wed 10/127:20 a.m.SEA - FCO
1 stop14h 45mDelta
Wed 17/126:00 a.m.FCO - SEA
2 stops23h 23mDelta
Deal found 4/12C$ 765
Mon 8/122:35 p.m.SEA - FCO
1 stop14h 25mIcelandair
Wed 17/1211:25 a.m.FCO - SEA
1 stop14h 35mIcelandair
Deal found 4/12C$ 798
Sun 14/123:45 p.m.SEA - FCO
2 stops31h 45mUnited Airlines
Thu 25/1211:00 a.m.FCO - SEA
2 stops31h 56mUnited Airlines
Deal found 4/12C$ 973
Thu 4/122:35 p.m.SEA - FCO
1 stop14h 25mIcelandair
Wed 17/1211:25 a.m.FCO - SEA
1 stop14h 35mIcelandair
Deal found 4/12C$ 982
Wed 10/128:10 a.m.SEA - FCO
1 stop15h 20mUnited Airlines
Sun 21/129:40 a.m.FCO - SEA
1 stop35h 30mUnited Airlines
Deal found 3/12C$ 1,016

Find 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 4 December 2025.

Round-trip from

C$ 680

One-way from

C$ 511

Popular in

June

Cheapest in

November

Average price

C$ 1,146
United Airlines
  • United Airlines
  • 31/12-14/1
  • 3 total stops
  • 48h 47m total
  • Seattle to Rome
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Lufthansa
  • Lufthansa
  • 4/3
  • 1 total stop
  • 18h 05m total
  • Seattle to Rome
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 335 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 4 December 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

Sat 17/1

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

1 stop15h 55m

Rome Fiumicino

Sat 31/1

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

1 stop14h 05m

C$ 682

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 28/1

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

1 stop15h 55m

Rome Fiumicino

Sat 7/2

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

1 stop14h 05m

C$ 688

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 28/1

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

1 stop15h 55m

Rome Fiumicino

Fri 6/2

7:00 a.m.-1:20 p.m.

1 stop15h 20m

C$ 692

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sun 18/1

5:00 a.m.-9:25 a.m.

2 stops19h 25m

Rome Fiumicino

Sun 25/1

7:00 a.m.-1:20 p.m.

1 stop15h 20m

C$ 696

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Thu 19/2

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

1 stop14h 25m

Rome Fiumicino

Wed 29/4

3:45 p.m.-8:45 p.m.

1 stop14h 00m

C$ 708

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 3/2

2:02 p.m.-5:25 p.m.

2 stops18h 23m

Rome Fiumicino

Mon 9/2

12:00 p.m.-10:25 p.m.

1 stop19h 25m

C$ 712

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 4/3

11:17 a.m.-7:45 p.m.

2 stops23h 28m

Rome Fiumicino

Fri 13/3

6:10 a.m.-12:35 p.m.

1 stop14h 25m

C$ 748

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 7/3

11:47 p.m.-6:15 p.m.

2 stops33h 28m

Rome Fiumicino

Thu 19/3

7:05 a.m.-11:28 p.m.

2 stops24h 23m

C$ 769

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Fri 6/3

2:10 p.m.-5:25 p.m.

1 stop18h 15m

Rome Fiumicino

Fri 13/3

6:10 a.m.-12:35 p.m.

1 stop14h 25m

C$ 811

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 3/3

1:40 p.m.-11:45 a.m.

1 stop13h 05m

Rome Fiumicino

Sat 14/3

12:45 p.m.-12:35 p.m.

1 stop31h 50m

C$ 811

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 22 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 28 November 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 54 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$ 532). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 839). 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 4 December 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.

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 and Icelandair can get you from Seattle to Rome Fiumicino Airport in just under 14h 25m. Your travel time can differ by up to 1h 30m. Airlines will cover a distance of 9125 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 532). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 839). 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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