Alaska
Oneworld
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Italy
Leonardo Da Vinci International Airport
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United States
Seattle–Tacoma International Airport
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Scan through all non-stop flights from Rome (Fiumicino) to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from FCO to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Seattle / Tacoma, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Seattle / Tacoma is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

In total there are 2 airlines operating nonstop flights from Rome (Fiumicino) FCO to Seattle / Tacoma SEA. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their FCO SEA flight schedule.
Departure times vary between 12:20 - 15:25. The earliest flight departs at 12:20, the last flight departs at 15:25. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy, Business Class and First Class. Premium Economy is not available on this route (at least not as a non-stop flight).
The fastest direct flight from Rome (Fiumicino) to Seattle / Tacoma takes 11 hours and 20 minutes. The flight distance between Rome (Fiumicino) and Seattle / Tacoma is 5,670 miles (or 9,125 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 0 flights per week flying from Rome (Fiumicino) to Seattle / Tacoma (as of April 2026).
11 hours and 20 minutes is the average flight time from Rome (Fiumicino) to Seattle / Tacoma.
The distance from Rome (Fiumicino) to Seattle / Tacoma is 5,670 miles (9,125 kilometers).
Alaska and Delta are flying nonstop from Rome (Fiumicino) to Seattle / Tacoma.
Oneworld and SkyTeam are flying nonstop from Rome (Fiumicino) to Seattle / Tacoma.
You can fly non-stop in Economy, Business Class and First Class.
Aircraft types that fly from Rome (Fiumicino) to Seattle / Tacoma:
The earliest flight departs at 12:20 from Rome (Fiumicino) and arrives at 15:20 at Seattle / Tacoma.
The latest flight departs at 15:25 from Rome (Fiumicino) and arrives at 17:45 at Seattle / Tacoma.
5,670 miles (9,125 km) · 11h 20m
15:25
17:45
Alaska
Oneworld
AS 181
Alaska
Boeing 787-9
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W
J
F
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