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A nonstop flight from **Seattle to Rome** usually takes around **10 hours 45 minutes to 11 hours 10 minutes**. Flights operate between **Seattle-Tacoma International Airport (SEA)** and **Rome Leonardo da Vinci–Fiumicino Airport (FCO)**, connecting the Pacific Northwest with Italy’s capital city.
The total journey time can vary slightly depending on the airline, aircraft type, wind conditions and daily operating schedules. For travellers looking for the quickest option, nonstop flights provide a more convenient experience by avoiding additional airport transfers and waiting time between flights.
What Is the Typical Nonstop Flight Time from Seattle to Rome?
Direct flights from Seattle to Rome generally take around **11 hours.
The scheduled flight time may vary depending on the direction of travel, seasonal operations and weather conditions along the route. Flights across the Atlantic can experience small variations due to changing wind patterns and air traffic conditions.
A nonstop SEA to FCO service allows passengers to complete their journey on a single aircraft without changing planes, making it a popular option for long-haul travellers.
| Departure Airport | Arrival Airport | Route Code | Estimated Flight Time |
|---|---|---|---|
| Seattle–Tacoma International Airport (SEA) | Rome Leonardo da Vinci–Fiumicino Airport (FCO) | SEA–FCO | Around 10 hrs 45 mins–11 hrs 10 mins nonstop |
| Seattle–Tacoma International Airport (SEA) | Rome Leonardo da Vinci–Fiumicino Airport (FCO) via Amsterdam | SEA–AMS–FCO | Around 13 hrs 30 mins with one stop |
| Seattle–Tacoma International Airport (SEA) | Rome Leonardo da Vinci–Fiumicino Airport (FCO) via Paris | SEA–CDG–FCO | Around 13 hrs 45 mins with one stop |
| Seattle–Tacoma International Airport (SEA) | Rome Leonardo da Vinci–Fiumicino Airport (FCO) via London | SEA–LHR–FCO | Around 14 hrs with one stop |
| Seattle–Tacoma International Airport (SEA) | Rome Leonardo da Vinci–Fiumicino Airport (FCO) via Frankfurt | SEA–FRA–FCO | Around 14 hrs 30 mins with one stop |
Flight times are approximate and may change depending on airline schedules, aircraft availability, weather conditions and connection duration.
Seattle follows **Pacific Time**, while Rome follows **Central European Time.
For most of the year, Rome is generally **9 hours ahead of Seattle**. However, the difference can temporarily change during daylight saving time transitions because the two regions adjust their clocks on different dates.
For example, when it is **12:00 noon in Seattle**, it is usually around **9:00 PM in Rome.
Travellers may experience some adjustment after arrival due to the time zone difference, especially after a long-haul overnight journey.
Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below. Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Seattle Flight Times.