Need help booking?
Unpublished phone-only deals available
BFI to SDM: distance & flight time
Seattle (Boeing Field King County International Airport) → San Diego (Brown Field Municipal Airport)
1,070 mi
1,723 km · 930 nm
2h 48m
estimated nonstop flight time
Same time
time difference · heading south
See live BFI→SDM fares Phone-only fares on this route — call free
Flight time details
1,070 miles nonstop takes roughly 2h 48m gate to gate, flying south. 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
- BFI — Boeing Field King County International Airport · Seattle, United States
- SDM — Brown Field Municipal Airport · San Diego, 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 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
Near SDM
Frequently asked questions
How far is BFI from SDM?
The flight distance from Seattle (BFI) to San Diego (SDM) is 1,070 miles (1,723 km, 930 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to SDM?
A nonstop flight takes about 2h 48m 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 BFI to SDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–SDM that never appear on search engines, with no booking fees.