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YQL to BFI: distance & flight time
Lethbridge (Lethbridge County Airport) → Seattle (Boeing Field King County International Airport)
458 mi
736 km · 398 nm
1h 28m
estimated nonstop flight time
-1h
time difference · heading west
See live YQL→BFI fares Phone-only fares on this route — call free
Flight time details
458 miles nonstop takes roughly 1h 28m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YQL — Lethbridge County Airport · Lethbridge, 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 YQL
- WPC · Pincher Creek Airport54 mi away
- CTB · Cut Bank International Airport73 mi away
- YSD · Suffield Heliport84 mi away
- YXH · Medicine Hat Airport96 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 YQL from BFI?
The flight distance from Lethbridge (YQL) to Seattle (BFI) is 458 miles (736 km, 398 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQL to BFI?
A nonstop flight takes about 1h 28m 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 Lethbridge and Seattle?
Seattle is 1 hour behind Lethbridge.
What is the cheapest way to fly from YQL to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQL–BFI that never appear on search engines, with no booking fees.