Rome (FCO) to Seattle (SEA) flights

Alaska Airlines, Delta Air Lines fly nonstop from Rome-Fiumicino Leonardo da Vinci International Airport to Seattle-Tacoma International Airport, with about 11 flights a week in July 2026. The 5,688-mile flight takes about 11h 48m gate to gate.

From
FCO
Rome
Rome-Fiumicino Leonardo da Vinci International Airport
To
SEA
Seattle
Seattle-Tacoma International Airport
Distance
5,688 mi · 9,154 km
Flight time
11h 48m
Airlines
2
Seats filled
70%
Flights a week, July 2026
142 flights and 29,141 passengers in 12 months
SEASEAFCO
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying FCO to SEA

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Alaska Airlines7Boeing 787-9 Dreamliner19,47411h 38m
Delta Air Lines4Airbus A330-9009,66712h 9m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

Flights by month

MonthFlightsFlights, relativePassengers
April 20262
167
May 202645
7,653
June 202647
10,119
July 202648
11,202

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.