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STJ to BFI: distance & flight time
Rosecrans (Rosecrans Memorial Airport) → Seattle (Boeing Field King County International Airport)
1,461 mi
2,351 km · 1,270 nm
3h 39m
estimated nonstop flight time
-2h
time difference · heading northwest
See live STJ→BFI fares Phone-only fares on this route — call free
Flight time details
1,461 miles nonstop takes roughly 3h 39m 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
- STJ — Rosecrans Memorial Airport · Rosecrans, 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 STJ
- FLV · Sherman Army Air Field28 mi away
- MCI · Kansas City International Airport34 mi away
- MKC · Charles B. Wheeler Downtown Airport48 mi away
- LWC · Lawrence Municipal Airport55 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 STJ from BFI?
The flight distance from Rosecrans (STJ) to Seattle (BFI) is 1,461 miles (2,351 km, 1,270 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STJ to BFI?
A nonstop flight takes about 3h 39m 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 Rosecrans and Seattle?
Seattle is 2 hours behind Rosecrans.
What is the cheapest way to fly from STJ to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STJ–BFI that never appear on search engines, with no booking fees.