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SPA to BFI: distance & flight time
Spartangurg (Spartanburg Downtown Memorial Airport) → Seattle (Boeing Field King County International Airport)
2,240 mi
3,605 km · 1,946 nm
4h 52m
estimated nonstop flight time
—
time difference · heading northwest
See live SPA→BFI fares Phone-only fares on this route — call free
Flight time details
2,240 miles nonstop takes roughly 4h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SPA — Spartanburg Downtown Memorial Airport · Spartangurg, 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 SPA
- GSP · Greenville Spartanburg International Airport15 mi away
- CLT · Charlotte Douglas International Airport61 mi away
- GMU · Greenville Downtown Airport23 mi away
- GDC · Donaldson Field Airport26 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 SPA from BFI?
The flight distance from Spartangurg (SPA) to Seattle (BFI) is 2,240 miles (3,605 km, 1,946 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPA to BFI?
A nonstop flight takes about 4h 52m 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 cheapest way to fly from SPA to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPA–BFI that never appear on search engines, with no booking fees.