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SEA to FCO: distance & flight time
Seattle (Seattle Tacoma International Airport) → Rome (Leonardo da Vinci–Fiumicino Airport)
5,673 mi
9,130 km · 4,930 nm
11h 35m
estimated nonstop flight time
+9h
time difference · heading northeast
See live SEA→FCO fares Phone-only fares on this route — call free
Flight time details
5,673 miles nonstop takes roughly 11h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- FCO — Leonardo da Vinci–Fiumicino Airport · Rome, Italy
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near FCO
Frequently asked questions
How far is SEA from FCO?
The flight distance from Seattle (SEA) to Rome (FCO) is 5,673 miles (9,130 km, 4,930 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to FCO?
A nonstop flight takes about 11h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SEA to FCO?
Nonstop service on SEA–FCO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 35m nonstop estimate.
What is the time difference between Seattle and Rome?
Rome is 9 hours ahead of Seattle.
What is the cheapest way to fly from SEA to FCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–FCO that never appear on search engines, with no booking fees.
Why are some SEA to FCO fares phone-only?
Consolidator contracts let us sell certain SEA–FCO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.