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PHN to RST: distance & flight time
Port Huron (St Clair County International Airport) → Rochester (Rochester International Airport)
505 mi
813 km · 439 nm
1h 34m
estimated nonstop flight time
-1h
time difference · heading west
See live PHN→RST fares Phone-only fares on this route — call free
Flight time details
505 miles nonstop takes roughly 1h 34m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- RST — Rochester International Airport · Rochester, 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
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Frequently asked questions
How far is PHN from RST?
The flight distance from Port Huron (PHN) to Rochester (RST) is 505 miles (813 km, 439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to RST?
A nonstop flight takes about 1h 34m 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 Rochester?
Rochester is 1 hour behind Port Huron.
What is the cheapest way to fly from PHN to RST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–RST that never appear on search engines, with no booking fees.