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BFI to YCM: distance & flight time
Seattle (Boeing Field King County International Airport) → Saint Catherines (Niagara District Airport)
2,088 mi
3,360 km · 1,814 nm
4h 34m
estimated nonstop flight time
+3h
time difference · heading east
See live BFI→YCM fares Phone-only fares on this route — call free
Flight time details
2,088 miles nonstop takes roughly 4h 34m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- YCM — Niagara District Airport · Saint Catherines, 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 YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 mi away
Frequently asked questions
How far is BFI from YCM?
The flight distance from Seattle (BFI) to Saint Catherines (YCM) is 2,088 miles (3,360 km, 1,814 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to YCM?
A nonstop flight takes about 4h 34m 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 Saint Catherines?
Saint Catherines is 3 hours ahead of Seattle.
What is the cheapest way to fly from BFI to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–YCM that never appear on search engines, with no booking fees.