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HIO to PHN: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Port Huron (St Clair County International Airport)
1,988 mi
3,200 km · 1,728 nm
4h 22m
estimated nonstop flight time
+3h
time difference · heading east
See live HIO→PHN fares Phone-only fares on this route — call free
Flight time details
1,988 miles nonstop takes roughly 4h 22m 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
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Near PHN
Frequently asked questions
How far is HIO from PHN?
The flight distance from Hillsboro (HIO) to Port Huron (PHN) is 1,988 miles (3,200 km, 1,728 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to PHN?
A nonstop flight takes about 4h 22m 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 Hillsboro and Port Huron?
Port Huron is 3 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–PHN that never appear on search engines, with no booking fees.