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BFI to PHN: distance & flight time
Seattle (Boeing Field King County International Airport) → Port Huron (St Clair County International Airport)
1,940 mi
3,122 km · 1,686 nm
4h 16m
estimated nonstop flight time
+3h
time difference · heading east
See live BFI→PHN fares Phone-only fares on this route — call free
Flight time details
1,940 miles nonstop takes roughly 4h 16m 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
- PHN — St Clair County International Airport · Port Huron, 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 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 PHN
Frequently asked questions
How far is BFI from PHN?
The flight distance from Seattle (BFI) to Port Huron (PHN) is 1,940 miles (3,122 km, 1,686 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to PHN?
A nonstop flight takes about 4h 16m 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 Port Huron?
Port Huron is 3 hours ahead of Seattle.
What is the cheapest way to fly from BFI to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–PHN that never appear on search engines, with no booking fees.