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PHN to GRZ: distance & flight time
Port Huron (St Clair County International Airport) → Graz (Graz Airport)
4,465 mi
7,185 km · 3,880 nm
9h 13m
estimated nonstop flight time
+6h
time difference · heading northeast
See live PHN→GRZ fares Phone-only fares on this route — call free
Flight time details
4,465 miles nonstop takes roughly 9h 13m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- GRZ — Graz Airport · Graz, Austria
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 PHN
Near GRZ
- MBX · Maribor Airport37 mi away
- KLU · Klagenfurt Airport57 mi away
- LJU · Ljubljana Jože Pučnik Airport71 mi away
- SOB · Sármellék International Airport84 mi away
Frequently asked questions
How far is PHN from GRZ?
The flight distance from Port Huron (PHN) to Graz (GRZ) is 4,465 miles (7,185 km, 3,880 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to GRZ?
A nonstop flight takes about 9h 13m 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 Port Huron and Graz?
Graz is 6 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to GRZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–GRZ that never appear on search engines, with no booking fees.