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BFI to LGU: distance & flight time
Seattle (Boeing Field King County International Airport) → Logan (Logan-Cache Airport)
648 mi
1,043 km · 563 nm
1h 53m
estimated nonstop flight time
+1h
time difference · heading southeast
See live BFI→LGU fares Phone-only fares on this route — call free
Flight time details
648 miles nonstop takes roughly 1h 53m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- LGU — Logan-Cache Airport · Logan, 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 LGU
- BMC · Brigham City Regional Airport20 mi away
- OGD · Ogden Hinckley Airport42 mi away
- HIF · Hill Air Force Base47 mi away
- EVW · Evanston-Uinta County Airport-Burns Field55 mi away
Frequently asked questions
How far is BFI from LGU?
The flight distance from Seattle (BFI) to Logan (LGU) is 648 miles (1,043 km, 563 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to LGU?
A nonstop flight takes about 1h 53m 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 Seattle and Logan?
Logan is 1 hour ahead of Seattle.
What is the cheapest way to fly from BFI to LGU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–LGU that never appear on search engines, with no booking fees.