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YHM to BFI: distance & flight time
Hamilton (John C. Munro Hamilton International Airport) → Seattle (Boeing Field King County International Airport)
2,053 mi
3,304 km · 1,784 nm
4h 30m
estimated nonstop flight time
-3h
time difference · heading northwest
See live YHM→BFI fares Phone-only fares on this route — call free
Flight time details
2,053 miles nonstop takes roughly 4h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YHM — John C. Munro Hamilton International Airport · Hamilton, 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 YHM
- YYZ · Lester B. Pearson International Airport38 mi away
- DU9 · Dunnville Airport27 mi away
- YKF · Waterloo Airport30 mi away
- YCM · Niagara District Airport38 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 YHM from BFI?
The flight distance from Hamilton (YHM) to Seattle (BFI) is 2,053 miles (3,304 km, 1,784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YHM to BFI?
A nonstop flight takes about 4h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YHM to BFI?
Nonstop service on YHM–BFI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 4h 30m nonstop estimate.
What is the time difference between Hamilton and Seattle?
Seattle is 3 hours behind Hamilton.
What is the cheapest way to fly from YHM to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YHM–BFI that never appear on search engines, with no booking fees.
Why are some YHM to BFI fares phone-only?
Consolidator contracts let us sell certain YHM–BFI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.