Need help booking?
Unpublished phone-only deals available
SPW to BFI: distance & flight time
Spencer (Spencer Municipal Airport) → Seattle (Boeing Field King County International Airport)
1,343 mi
2,161 km · 1,167 nm
3h 23m
estimated nonstop flight time
-2h
time difference · heading west
See live SPW→BFI fares Phone-only fares on this route — call free
Flight time details
1,343 miles nonstop takes roughly 3h 23m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- SPW — Spencer Municipal Airport · Spencer, 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 SPW
- FOD · Fort Dodge Regional Airport66 mi away
- SUX · Sioux Gateway Col. Bud Day Field80 mi away
- FSD · Joe Foss Field Airport82 mi away
- MCW · Mason City Municipal Airport94 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 SPW from BFI?
The flight distance from Spencer (SPW) to Seattle (BFI) is 1,343 miles (2,161 km, 1,167 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPW to BFI?
A nonstop flight takes about 3h 23m 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 Spencer and Seattle?
Seattle is 2 hours behind Spencer.
What is the cheapest way to fly from SPW to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPW–BFI that never appear on search engines, with no booking fees.