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YTH to BFI: distance & flight time
Thompson (Thompson Airport) → Seattle (Boeing Field King County International Airport)
1,184 mi
1,906 km · 1,029 nm
3h 2m
estimated nonstop flight time
-2h
time difference · heading west
See live YTH→BFI fares Phone-only fares on this route — call free
Flight time details
1,184 miles nonstop takes roughly 3h 2m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- YTH — Thompson Airport · Thompson, 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 YTH
- PIW · Pikwitonei Airport31 mi away
- YTD · Thicket Portage Airport34 mi away
- KES · Kelsey Airport55 mi away
- ZAC · York Landing Airport72 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 YTH from BFI?
The flight distance from Thompson (YTH) to Seattle (BFI) is 1,184 miles (1,906 km, 1,029 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YTH to BFI?
A nonstop flight takes about 3h 2m 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 Thompson and Seattle?
Seattle is 2 hours behind Thompson.
What is the cheapest way to fly from YTH to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTH–BFI that never appear on search engines, with no booking fees.