Need help booking?
Unpublished phone-only deals available
SBD to BFI: distance & flight time
San Bernardino (San Bernardino International Airport) → Seattle (Boeing Field King County International Airport)
965 mi
1,553 km · 838 nm
2h 34m
estimated nonstop flight time
Same time
time difference · heading north
See live SBD→BFI fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m gate to gate, flying north. 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
- SBD — San Bernardino International Airport · San Bernardino, 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 SBD
- RIV · March ARB Airport15 mi away
- RAL · Riverside Municipal Airport16 mi away
- ONT · Ontario International Airport21 mi away
- CNO · Chino Airport24 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 SBD from BFI?
The flight distance from San Bernardino (SBD) to Seattle (BFI) is 965 miles (1,553 km, 838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SBD to BFI?
A nonstop flight takes about 2h 34m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SBD to BFI?
Nonstop service on SBD–BFI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 34m nonstop estimate.
What is the cheapest way to fly from SBD to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SBD–BFI that never appear on search engines, with no booking fees.
Why are some SBD to BFI fares phone-only?
Consolidator contracts let us sell certain SBD–BFI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.