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SFZ to SEA: distance & flight time
Smithfield (North Central State Airport) → Seattle (Seattle Tacoma International Airport)
2,480 mi
3,992 km · 2,155 nm
5h 20m
estimated nonstop flight time
-3h
time difference · heading northwest
See live SFZ→SEA fares Phone-only fares on this route — call free
Flight time details
2,480 miles nonstop takes roughly 5h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- SFZ — North Central State Airport · Smithfield, United States
- 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 SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
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 SFZ from SEA?
The flight distance from Smithfield (SFZ) to Seattle (SEA) is 2,480 miles (3,992 km, 2,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFZ to SEA?
A nonstop flight takes about 5h 20m 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 Smithfield and Seattle?
Seattle is 3 hours behind Smithfield.
What is the cheapest way to fly from SFZ to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFZ–SEA that never appear on search engines, with no booking fees.