Need help booking?
Unpublished phone-only deals available
BFI to YSD: distance & flight time
Seattle (Boeing Field King County International Airport) → Suffield (Suffield Heliport)
539 mi
867 km · 468 nm
1h 38m
estimated nonstop flight time
+1h
time difference · heading northeast
See live BFI→YSD fares Phone-only fares on this route — call free
Flight time details
539 miles nonstop takes roughly 1h 38m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- YSD — Suffield Heliport · Suffield, Canada
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 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
Near YSD
- YXH · Medicine Hat Airport27 mi away
- YQL · Lethbridge County Airport84 mi away
- YKY · Kindersley Airport123 mi away
- YCT · Coronation Airport125 mi away
Frequently asked questions
How far is BFI from YSD?
The flight distance from Seattle (BFI) to Suffield (YSD) is 539 miles (867 km, 468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to YSD?
A nonstop flight takes about 1h 38m 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 Seattle and Suffield?
Suffield is 1 hour ahead of Seattle.
What is the cheapest way to fly from BFI to YSD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–YSD that never appear on search engines, with no booking fees.