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YDT to BFI: distance & flight time
Boundary Bay (Boundary Bay Airport) → Seattle (Boeing Field King County International Airport)
112 mi
180 km · 97 nm
46m
estimated nonstop flight time
Same time
time difference · heading south
See live YDT→BFI fares Phone-only fares on this route — call free
Flight time details
112 miles nonstop takes roughly 46m 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
- YDT — Boundary Bay Airport · Boundary Bay, 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 YDT
- YVR · Vancouver International Airport11 mi away
- CXH · Vancouver Harbour Water Aerodrome16 mi away
- YLY · Langley Airport17 mi away
- YBW · Bedwell Harbour Seaplane Base25 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 YDT from BFI?
The flight distance from Boundary Bay (YDT) to Seattle (BFI) is 112 miles (180 km, 97 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YDT to BFI?
A nonstop flight takes about 46m 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 YDT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YDT–BFI that never appear on search engines, with no booking fees.