Need help booking?
Unpublished phone-only deals available
HRO to PHN: distance & flight time
Harrison (Boone County Airport) → Port Huron (St Clair County International Airport)
728 mi
1,171 km · 632 nm
2h 3m
estimated nonstop flight time
+1h
time difference · heading northeast
See live HRO→PHN fares Phone-only fares on this route — call free
Flight time details
728 miles nonstop takes roughly 2h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- HRO — Boone County Airport · Harrison, 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 HRO
- BKG · Branson Airport19 mi away
- FLP · Marion County Regional Airport32 mi away
- WMH · Ozark Regional Airport39 mi away
- FYV · Drake Field59 mi away
Near PHN
Frequently asked questions
How far is HRO from PHN?
The flight distance from Harrison (HRO) to Port Huron (PHN) is 728 miles (1,171 km, 632 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRO to PHN?
A nonstop flight takes about 2h 3m 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 Harrison and Port Huron?
Port Huron is 1 hour ahead of Harrison.
What is the cheapest way to fly from HRO to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRO–PHN that never appear on search engines, with no booking fees.