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BFI to YFX: distance & flight time
Seattle (Boeing Field King County International Airport) → St. Lewis (St. Lewis (Fox Harbour) Airport)
2,875 mi
4,626 km · 2,498 nm
6h 6m
estimated nonstop flight time
+4.5h
time difference · heading northeast
See live BFI→YFX fares Phone-only fares on this route — call free
Flight time details
2,875 miles nonstop takes roughly 6h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- YFX — St. Lewis (Fox Harbour) Airport · St. Lewis, 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 YFX
- YMH · Mary's Harbour Airport9 mi away
- YWM · Williams Harbour Airport14 mi away
- YHA · Port Hope Simpson Airport28 mi away
- YAY · St. Anthony Airport70 mi away
Frequently asked questions
How far is BFI from YFX?
The flight distance from Seattle (BFI) to St. Lewis (YFX) is 2,875 miles (4,626 km, 2,498 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to YFX?
A nonstop flight takes about 6h 6m 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 St. Lewis?
St. Lewis is 4.5 hours ahead of Seattle.
What is the cheapest way to fly from BFI to YFX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–YFX that never appear on search engines, with no booking fees.