Direct (nonstop) flights from Seattle to Rome
2 airlines fly nonstop from Seattle Tacoma International (SEA) to Fiumicino (FCO). It's 5,689 miles (9,155 km), about 10h 45m in the air. Operated by Alaska Airlines, Delta Air Lines.
Alaska Airlines
Delta Air Lines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AS
Alaska Airlines
DL
Delta Air Lines
Alternative Routes
Other ways to fly from Seattle to Rome with one stop · direct emits 870 kg CO₂ per passenger
Looking for the return flight?
FCO → SEA: Flights from Rome to SeattleOther direct flights from Seattle
Direct flights from Rome (FCO)
Frequently Asked Questions
How long is the direct flight from Seattle to Rome?
A nonstop flight from Seattle (SEA) to Rome (FCO) takes approximately 10 hours and 45 minutes. The distance is 5,689 miles (9,155 km).
Which airlines fly nonstop from Seattle to Rome?
2 airlines: Alaska Airlines, Delta Air Lines.
Is there a nonstop flight from Seattle to Rome?
Yes. 2 airlines: Alaska Airlines, Delta Air Lines.
How far is Seattle from Rome?
The flight distance from Seattle to Rome is 5,689 miles (9,155 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between Seattle and Rome?
Rome is 9 hours ahead of Seattle. (America/Los_Angeles vs Europe/Rome.)
Will I experience jet lag flying from Seattle to Rome?
Probably — 9-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from Seattle to Rome?
At 10h 45m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from USA to Italy?
Depends on your passport. Check with the Italy embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Seattle to Rome?
Roughly 870 kg CO2 per passenger one-way. That's about the same as driving 4,350 km.
Is the return flight from Rome to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Rome?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.