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NXX to BFI: distance & flight time
Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base) → Seattle (Boeing Field King County International Airport)
2,365 mi
3,806 km · 2,055 nm
5h 6m
estimated nonstop flight time
-3h
time difference · heading northwest
See live NXX→BFI fares Phone-only fares on this route — call free
Flight time details
2,365 miles nonstop takes roughly 5h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 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 NXX from BFI?
The flight distance from Willow Grove (NXX) to Seattle (BFI) is 2,365 miles (3,806 km, 2,055 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NXX to BFI?
A nonstop flight takes about 5h 6m 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 Willow Grove and Seattle?
Seattle is 3 hours behind Willow Grove.
What is the cheapest way to fly from NXX to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NXX–BFI that never appear on search engines, with no booking fees.