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NCO to SEA: distance & flight time
North Kingstown (Quonset State Airport) → Seattle (Seattle Tacoma International Airport)
2,494 mi
4,014 km · 2,167 nm
5h 21m
estimated nonstop flight time
-3h
time difference · heading northwest
See live NCO→SEA fares Phone-only fares on this route — call free
Flight time details
2,494 miles nonstop takes roughly 5h 21m 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
- NCO — Quonset State Airport · North Kingstown, 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 NCO
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 NCO from SEA?
The flight distance from North Kingstown (NCO) to Seattle (SEA) is 2,494 miles (4,014 km, 2,167 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NCO to SEA?
A nonstop flight takes about 5h 21m 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 North Kingstown and Seattle?
Seattle is 3 hours behind North Kingstown.
What is the cheapest way to fly from NCO to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NCO–SEA that never appear on search engines, with no booking fees.