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YLY to BFI: distance & flight time
Langley Township (Langley Airport) → Seattle (Boeing Field King County International Airport)
110 mi
176 km · 95 nm
45m
estimated nonstop flight time
Same time
time difference · heading south
See live YLY→BFI fares Phone-only fares on this route — call free
Flight time details
110 miles nonstop takes roughly 45m gate to gate, flying south. 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
- YLY — Langley Airport · Langley Township, Canada
- 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 YLY
- YVR · Vancouver International Airport26 mi away
- YXX · Abbotsford Airport13 mi away
- YDT · Boundary Bay Airport17 mi away
- BLI · Bellingham International Airport22 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 YLY from BFI?
The flight distance from Langley Township (YLY) to Seattle (BFI) is 110 miles (176 km, 95 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YLY to BFI?
A nonstop flight takes about 45m 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 YLY to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YLY–BFI that never appear on search engines, with no booking fees.