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Cheap flights from Seattle to Rome Fiumicino Airport from C$ 496

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
17 Jan — 24 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 18 December 2025.

Wed 31/125:02 a.m.SEA - FCO
2 stops19h 18mUnited Airlines
Wed 14/111:15 a.m.FCO - SEA
2 stops33h 17mUnited Airlines
Deal found 16/12C$ 725
Sun 28/123:05 p.m.SEA - FCO
1 stop19h 20mKLM
Thu 22/15:15 p.m.FCO - SEA
1 stop27h 35mKLM
Deal found 17/12C$ 741
Sun 28/1210:55 p.m.SEA - FCO
1 stop24h 00mDelta
Sun 15/26:10 a.m.FCO - SEA
1 stop14h 30mDelta
Deal found 16/12C$ 803
Sun 28/128:10 a.m.SEA - FCO
2 stops39h 45mUnited Airlines
Thu 22/17:05 a.m.FCO - SEA
3 stops23h 07mUnited Airlines
Deal found 17/12C$ 901
Wed 31/128:00 a.m.SEA - FCO
1 stop15h 30mUnited Airlines
Tue 6/17:00 a.m.FCO - SEA
2 stops35h 55mUnited Airlines
Deal found 15/12C$ 1,426
Sat 27/1211:15 p.m.SEA - FCO
1 stop24h 15mUnited Airlines
Wed 7/11:30 p.m.FCO - SEA
1 stop31h 40mUnited Airlines
Deal found 16/12C$ 1,897
Mon 29/127:40 a.m.SEA - FCO
1 stop16h 00mDelta
Tue 6/16:10 a.m.FCO - SEA
1 stop14h 40mDelta
Deal found 15/12C$ 2,024
Fri 26/1210:55 p.m.SEA - FCO
1 stop24h 00mDelta
Mon 5/110:05 a.m.FCO - SEA
1 stop33h 37mDelta
Deal found 15/12C$ 2,598

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 18 December 2025.

Round-trip from

C$ 671

One-way from

C$ 496

Popular in

June

Cheapest in

November

Average price

C$ 1,024
United Airlines
  • United Airlines
  • 31/1-7/2
  • 3 total stops
  • 60h 23m total
  • Seattle to Rome
Search Deals
Lufthansa
  • Lufthansa
  • 18/3
  • 1 total stop
  • 18h 05m total
  • Seattle to Rome
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 335 potential increase over avg. RT price).
Search Deals
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 18 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

Thu 15/1

2:10 p.m.-11:00 p.m.

2 stops23h 50m

Rome Fiumicino

Wed 21/1

11:15 a.m.-8:57 p.m.

2 stops42h 42m

C$ 682

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 31/1

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$ 682

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 10/3

2:40 p.m.-7:45 p.m.

1 stop21h 05m

Rome Fiumicino

Thu 19/3

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

1 stop14h 25m

C$ 685

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 10/3

2:40 p.m.-7:45 p.m.

1 stop21h 05m

Rome Fiumicino

Mon 16/3

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

1 stop31h 50m

C$ 685

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Thu 15/1

3:10 p.m.-11:10 p.m.

1 stop23h 00m

Rome Fiumicino

Thu 29/1

12:45 p.m.-11:50 a.m.

1 stop32h 05m

C$ 693

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Thu 15/1

3:10 p.m.-4:25 p.m.

1 stop16h 15m

Rome Fiumicino

Wed 21/1

12:45 p.m.-11:50 a.m.

1 stop32h 05m

C$ 693

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sun 15/3

4:10 p.m.-11:00 p.m.

1 stop22h 50m

Rome Fiumicino

Thu 26/3

7:05 a.m.-10:16 p.m.

2 stops23h 11m

C$ 696

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 11/3

4:10 p.m.-11:00 p.m.

1 stop22h 50m

Rome Fiumicino

Fri 20/3

7:00 a.m.-12:59 a.m.

2 stops25h 59m

C$ 703

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 11/3

7:00 a.m.-5:10 p.m.

2 stops26h 10m

Rome Fiumicino

Tue 17/3

1:30 p.m.-12:59 a.m.

2 stops19h 29m

C$ 708

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 18/3

4:10 p.m.-6:15 p.m.

1 stop18h 05m

C$ 496

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 20 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 12 December 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$ 515). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 828). 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 18 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 Delta can get you from Seattle to Rome Fiumicino Airport in just under 21h 05m. Your travel time can differ by up to 2h 45m. 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$ 515). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 828). 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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