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FCO to SEA: distance & flight time
Rome (Leonardo da Vinci–Fiumicino Airport) → Seattle (Seattle Tacoma International Airport)
5,673 mi
9,130 km · 4,930 nm
11h 35m
estimated nonstop flight time
-9h
time difference · heading northwest
See live FCO→SEA fares Phone-only fares on this route — call free
Flight time details
5,673 miles nonstop takes roughly 11h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- FCO — Leonardo da Vinci–Fiumicino Airport · Rome, Italy
- SEA — Seattle Tacoma International Airport · Seattle, United States
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 FCO
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
Frequently asked questions
How far is FCO from SEA?
The flight distance from Rome (FCO) to Seattle (SEA) 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 FCO to SEA?
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.
What is the time difference between Rome and Seattle?
Seattle is 9 hours behind Rome.
What is the cheapest way to fly from FCO to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCO–SEA that never appear on search engines, with no booking fees.