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Cheap flights from Seattle to Rome Fiumicino Airport from C$ 402

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
4 Feb — 11 Feb1
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 5 January 2026.

Sat 14/212:42 p.m.SEA - FCO
3 stops35h 43mUnited Airlines
Mon 23/211:15 a.m.FCO - SEA
2 stops40h 48mUnited Airlines
Deal found 3/1C$ 676
Mon 2/28:10 a.m.SEA - FCO
1 stop17h 45mUnited Airlines
Mon 9/211:15 a.m.FCO - SEA
2 stops37h 46mUnited Airlines
Deal found 5/1C$ 677
Tue 13/12:35 p.m.SEA - FCO
1 stop14h 25mIcelandair
Sat 31/111:25 a.m.FCO - SEA
1 stop14h 35mIcelandair
Deal found 4/1C$ 680
Thu 5/27:00 a.m.SEA - FCO
1 stop15h 55mUnited Airlines
Thu 12/27:05 a.m.FCO - SEA
1 stop14h 05mUnited Airlines
Deal found 5/1C$ 683
Sun 8/311:59 p.m.SEA - FCO
1 stop23h 46mUnited Airlines
Wed 25/37:00 a.m.FCO - SEA
1 stop15h 20mUnited Airlines
Deal found 4/1C$ 686
Tue 3/27:10 a.m.SEA - FCO
1 stop17h 35mKLM
Tue 10/28:25 p.m.FCO - SEA
1 stop24h 15mKLM
Deal found 4/1C$ 687
Wed 4/23:10 p.m.SEA - FCO
1 stop13h 15mUnited Airlines
Sun 8/27:00 a.m.FCO - SEA
1 stop15h 20mUnited Airlines
Deal found 5/1C$ 690
Tue 3/211:30 a.m.SEA - FCO
2 stops18h 45mDelta
Tue 10/26:10 a.m.FCO - SEA
1 stop14h 30mDelta
Deal found 4/1C$ 692
Fri 6/212:35 p.m.SEA - FCO
3 stops37h 30mUnited Airlines
Wed 18/211:15 a.m.FCO - SEA
2 stops42h 41mUnited Airlines
Deal found 3/1C$ 698
Mon 9/33:10 p.m.SEA - FCO
1 stop23h 35mDelta
Wed 25/311:40 a.m.FCO - SEA
1 stop18h 22mDelta
Deal found 4/1C$ 699

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 5 January 2026.

Round-trip from

C$ 676

One-way from

C$ 402

Popular in

June

Cheapest in

November

Average price

C$ 804
United Airlines
  • United Airlines
  • 14/2-23/2
  • 5 total stops
  • 76h 31m total
  • Seattle to Rome
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28/4
  • 28/4
  • 2 total stops
  • 21h 10m total
  • Seattle to Rome
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 354 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 5 January 2026.
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

Wed 18/3

7:15 a.m.-11:00 p.m.

2 stops31h 45m

Rome Fiumicino

Wed 25/3

7:05 a.m.-9:14 p.m.

2 stops22h 09m

C$ 708

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 18/3

5:20 p.m.-11:00 p.m.

2 stops21h 40m

Rome Fiumicino

Thu 26/3

10:15 a.m.-10:16 p.m.

1 stop20h 01m

C$ 708

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 8/4

8:42 a.m.-12:20 p.m.

2 stops18h 38m

Rome Fiumicino

Wed 15/4

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 756

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 21/4

5:00 a.m.-12:20 p.m.

1 stop22h 20m

Rome Fiumicino

Fri 1/5

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 756

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 4/4

10:58 p.m.-6:50 a.m.

2 stops22h 52m

Rome Fiumicino

Wed 15/4

6:30 a.m.-11:45 a.m.

1 stop14h 15m

C$ 764

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 15/4

8:20 p.m.-7:15 p.m.

1 stop13h 55m

Rome Fiumicino

Mon 4/5

8:30 p.m.-11:35 a.m.

1 stop24h 05m

C$ 776

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 2/5

11:00 p.m.-8:15 a.m.

1 stop24h 15m

Rome Fiumicino

Tue 12/5

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 822

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Wed 29/4

8:42 a.m.-1:20 p.m.

1 stop19h 38m

Rome Fiumicino

Wed 6/5

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 822

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 4/5

11:50 p.m.-7:55 a.m.

1 stop23h 05m

Rome Fiumicino

Tue 12/5

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 822

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 2/5

11:50 p.m.-7:55 a.m.

1 stop23h 05m

Rome Fiumicino

Fri 15/5

6:50 a.m.-12:20 p.m.

1 stop14h 30m

C$ 827

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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 2 January 2026.

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$ 513). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 825). 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 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 19h 15m. Your travel time can differ by up to 12h 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$ 513). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 825). 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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Can Cheapflights notify me if prices for flights from Seattle to Leonardo da Vinci/Fiumicino become cheaper?

Yes! Start tracking prices for Seattle to Leonardo da Vinci/Fiumicino flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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