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INT to BFI: distance & flight time
Winston-salem (Smith Reynolds Airport) → Seattle (Boeing Field King County International Airport)
2,273 mi
3,657 km · 1,975 nm
4h 55m
estimated nonstop flight time
-3h
time difference · heading northwest
See live INT→BFI fares Phone-only fares on this route — call free
Flight time details
2,273 miles nonstop takes roughly 4h 55m 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
- INT — Smith Reynolds Airport · Winston-salem, United States
- BFI — Boeing Field King County 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is INT from BFI?
The flight distance from Winston-salem (INT) to Seattle (BFI) is 2,273 miles (3,657 km, 1,975 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to BFI?
A nonstop flight takes about 4h 55m 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 Winston-salem and Seattle?
Seattle is 3 hours behind Winston-salem.
What is the cheapest way to fly from INT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–BFI that never appear on search engines, with no booking fees.