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UKT to BFI: distance & flight time
Quakertown (Quakertown Airport) → Seattle (Boeing Field King County International Airport)
2,346 mi
3,776 km · 2,039 nm
5h 4m
estimated nonstop flight time
—
time difference · heading northwest
See live UKT→BFI fares Phone-only fares on this route — call free
Flight time details
2,346 miles nonstop takes roughly 5h 4m gate to gate, flying northwest. 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
- UKT — Quakertown Airport · Quakertown, 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 UKT
- PHL · Philadelphia International Airport40 mi away
- ABE · Lehigh Valley International Airport15 mi away
- DYL · Doylestown Airport15 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base20 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 UKT from BFI?
The flight distance from Quakertown (UKT) to Seattle (BFI) is 2,346 miles (3,776 km, 2,039 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UKT to BFI?
A nonstop flight takes about 5h 4m 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 UKT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UKT–BFI that never appear on search engines, with no booking fees.