Rome (FCO) to Seattle (SEA)
Flight time
≈ 12h 09m
Bearing
331° NW
Rome (FCO) to Seattle (SEA) is 5,673 miles (9,130 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies FCO–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop FCO–SEA; the Boeing 787-9 was the most common aircraft at 68% of departures; flights ran 64% full.
Departures
91
May 2026
Seats
26,748
both directions
Passengers
17,067
both directions
Load factor
63.8%
RPM ÷ ASM
Who flies FCO–SEA?
Alaska Airlines operated the most nonstop FCO–SEA departures in May 2026 (62), one of 2 carriers on the route.
- AS
62 departures · 18,600 seats
Share of departures68.1%60.5%
Load
- DL
29 departures · 8,148 seats
Share of departures31.9%71.3%
Load
What plane flies FCO–SEA?
In May 2026, the Boeing 787-9 flew 68% of FCO–SEA departures — more than any other aircraft type.
- Boeing 787-9
62 departures · 60.5% load
68.1% - Airbus A330-900
29 departures · 71.3% load
31.9%
How has FCO–SEA traffic changed?
Nonstop FCO–SEA departures rose from 5 in April 2026 to 91 in May 2026.
Monthly nonstop FCO–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
April 2026
5 departures · 827 passengers
55.1%
Load
May 2026
91 departures · 17,067 passengers
63.8%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → FCO
69.7% full
46 departures · 9,414 passengers
FCO → SEA
57.8% full
45 departures · 7,653 passengers
Nonstop FCO–SEA traffic has been filed since 2026.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2026. Public domain (US Government work).
The airports
Rome
IT
Rome–Fiumicino Leonardo da Vinci International Airport
Coordinates
41.80°N, 12.25°E
Hemisphere
N · E
Frequently asked
How far is Rome (FCO) from Seattle (SEA)?
FCO to SEA is 5,673 miles (9,130 km / 4,930 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from FCO to SEA?
A nonstop covers the 5,673-mile great-circle distance in roughly 12h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies FCO–SEA?
In May 2026, the Boeing 787-9 flew the largest share of departures (68.1%), followed by the Airbus A330-900 (31.9%).
What mileage do I earn flying FCO–SEA?
Distance-based programs credit off the 5,673-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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