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FLV to BFI: distance & flight time
Fort Leavenworth (Sherman Army Air Field) → Seattle (Boeing Field King County International Airport)
1,475 mi
2,374 km · 1,282 nm
3h 40m
estimated nonstop flight time
-2h
time difference · heading northwest
See live FLV→BFI fares Phone-only fares on this route — call free
Flight time details
1,475 miles nonstop takes roughly 3h 40m gate to gate, flying northwest. 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
- FLV — Sherman Army Air Field · Fort Leavenworth, 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 FLV
- MCI · Kansas City International Airport12 mi away
- MKC · Charles B. Wheeler Downtown Airport24 mi away
- STJ · Rosecrans Memorial Airport28 mi away
- LWC · Lawrence Municipal Airport29 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 FLV from BFI?
The flight distance from Fort Leavenworth (FLV) to Seattle (BFI) is 1,475 miles (2,374 km, 1,282 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLV to BFI?
A nonstop flight takes about 3h 40m 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 Fort Leavenworth and Seattle?
Seattle is 2 hours behind Fort Leavenworth.
What is the cheapest way to fly from FLV to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLV–BFI that never appear on search engines, with no booking fees.