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Cheap flights from Seattle to Rome Fiumicino Airport from C$ 491

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FCO
19 Feb — 26 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 20 January 2026.

Mon 16/22:15 p.m.
SEA
-
FCO
1 stop23h 30m
Multiple Airlines
Mon 23/25:15 p.m.
FCO
-
SEA
1 stop27h 25m
Multiple Airlines
Deal found 18/1C$ 690
Thu 19/27:10 a.m.
SEA
-
FCO
1 stop17h 35m
KLM
Tue 24/212:45 p.m.
FCO
-
SEA
1 stop31h 55m
KLM
Deal found 19/1C$ 691
Fri 6/32:10 p.m.
SEA
-
FCO
1 stop33h 45m
Delta
Mon 16/312:45 p.m.
FCO
-
SEA
1 stop31h 50m
Delta
Deal found 18/1C$ 693
Mon 16/22:00 p.m.
SEA
-
FCO
1 stop18h 40m
Lufthansa
Mon 23/212:20 p.m.
FCO
-
SEA
2 stops19h 23m
Lufthansa
Deal found 18/1C$ 697
Mon 16/28:00 p.m.
SEA
-
FCO
2 stops28h 25m
Air Canada
Mon 23/29:35 a.m.
FCO
-
SEA
2 stops21h 41m
Air Canada
Deal found 18/1C$ 700
Sat 7/39:55 p.m.
SEA
-
FCO
1 stop23h 10m
Delta
Mon 16/312:45 p.m.
FCO
-
SEA
2 stops36h 02m
Delta
Deal found 18/1C$ 705
Tue 3/312:43 p.m.
SEA
-
FCO
3 stops35h 12m
United Airlines
Tue 10/312:10 p.m.
FCO
-
SEA
1 stop18h 06m
United Airlines
Deal found 17/1C$ 707
Thu 5/38:00 a.m.
SEA
-
FCO
2 stops39h 55m
United Airlines
Thu 12/37:05 a.m.
FCO
-
SEA
1 stop14h 05m
United Airlines
Deal found 20/1C$ 708
Wed 15/45:00 a.m.
SEA
-
FCO
2 stops25h 05m
United Airlines
Wed 22/46:50 a.m.
FCO
-
SEA
2 stops20h 10m
United Airlines
Deal found 19/1C$ 712
Mon 16/29:19 a.m.
SEA
-
FCO
2 stops19h 06m
United Airlines
Mon 23/29:45 a.m.
FCO
-
SEA
1 stop21h 58m
United Airlines
Deal found 19/1C$ 715

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 20 January 2026.

Round-trip from

C$ 687

One-way from

C$ 491

Popular in

June

Cheapest in

November

Average price

C$ 845
United Airlines
  • United Airlines
  • 19/2-26/2
  • 2 total stops
  • 29h 18m total
  • Seattle to Rome
Search Deals
18/4
  • 18/4
  • 1 total stop
  • 30h 37m total
  • Seattle to Rome
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 364 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 62 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 20 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

Thu 19/2

7:10 a.m.-9:45 a.m.

1 stop17h 35m

Rome Fiumicino

Tue 24/2

12:45 p.m.-11:40 a.m.

1 stop31h 55m

C$ 691

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sun 8/3

6:53 a.m.-5:55 p.m.

2 stops27h 02m

Rome Fiumicino

Sun 15/3

6:40 p.m.-9:16 p.m.

2 stops34h 36m

C$ 705

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 16/2

12:43 p.m.-9:25 a.m.

3 stops35h 42m

Rome Fiumicino

Mon 23/2

1:30 p.m.-11:18 a.m.

2 stops30h 48m

C$ 707

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 4/4

3:48 p.m.-12:20 p.m.

1 stop35h 32m

Rome Fiumicino

Thu 16/4

11:30 a.m.-7:00 p.m.

2 stops40h 30m

C$ 758

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 27/1

5:00 a.m.-8:30 a.m.

2 stops18h 30m

Rome Fiumicino

Fri 6/2

7:00 a.m.-10:43 p.m.

3 stops24h 43m

C$ 759

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 26/1

7:00 a.m.-1:25 p.m.

2 stops21h 25m

Rome Fiumicino

Thu 5/2

12:50 p.m.-10:16 p.m.

1 stop18h 26m

C$ 761

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 4/4

11:59 p.m.-7:55 a.m.

1 stop22h 56m

Rome Fiumicino

Wed 15/4

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

1 stop14h 30m

C$ 762

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Tue 31/3

12:54 p.m.-12:20 p.m.

1 stop14h 26m

Rome Fiumicino

Thu 16/4

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

1 stop14h 30m

C$ 762

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Mon 30/3

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

1 stop15h 55m

Rome Fiumicino

Fri 17/4

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

1 stop14h 30m

C$ 762

SeattleRome

SEA - FCO

SEAFCO

Seattle/Tacoma Intl

Sat 11/4

11:59 p.m.-7:55 a.m.

1 stop22h 56m

Rome Fiumicino

Wed 22/4

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

1 stop14h 30m

C$ 762

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/1

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 16 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$ 518). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 834). 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.

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?

    KLM, Finnair, and United Airlines can get you from Seattle to Rome Fiumicino Airport in just under 17h 35m. Your travel time can differ by up to 18h 07m. 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$ 518). Flying from Seattle to Rome Fiumicino Airport in June is currently the most expensive (average of C$ 834). 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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