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TRS to PHN: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Port Huron (St Clair County International Airport)
4,437 mi
7,140 km · 3,856 nm
9h 10m
estimated nonstop flight time
-6h
time difference · heading northwest
See live TRS→PHN fares Phone-only fares on this route — call free
Flight time details
4,437 miles nonstop takes roughly 9h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- 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 TRS
- POW · Portoroz Airport25 mi away
- AVB · Aviano Air Base44 mi away
- LJU · Ljubljana Jože Pučnik Airport55 mi away
- VCE · Venice Marco Polo Airport58 mi away
Near PHN
Frequently asked questions
How far is TRS from PHN?
The flight distance from Ronchi De Legionari (TRS) to Port Huron (PHN) is 4,437 miles (7,140 km, 3,856 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to PHN?
A nonstop flight takes about 9h 10m 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 Ronchi De Legionari and Port Huron?
Port Huron is 6 hours behind Ronchi De Legionari.
What is the cheapest way to fly from TRS to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–PHN that never appear on search engines, with no booking fees.