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YDT to SEA: distance & flight time
Boundary Bay (Boundary Bay Airport) → Seattle (Seattle Tacoma International Airport)
117 mi
188 km · 102 nm
46m
estimated nonstop flight time
Same time
time difference · heading south
See live YDT→SEA fares Phone-only fares on this route — call free
Flight time details
117 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
- SEA — Seattle Tacoma 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is YDT from SEA?
The flight distance from Boundary Bay (YDT) to Seattle (SEA) is 117 miles (188 km, 102 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YDT to SEA?
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 SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YDT–SEA that never appear on search engines, with no booking fees.