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STJ to PHN: distance & flight time
Rosecrans (Rosecrans Memorial Airport) → Port Huron (St Clair County International Airport)
677 mi
1,090 km · 588 nm
1h 56m
estimated nonstop flight time
+1h
time difference · heading northeast
See live STJ→PHN fares Phone-only fares on this route — call free
Flight time details
677 miles nonstop takes roughly 1h 56m 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
- STJ — Rosecrans Memorial Airport · Rosecrans, 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 STJ
- FLV · Sherman Army Air Field28 mi away
- MCI · Kansas City International Airport34 mi away
- MKC · Charles B. Wheeler Downtown Airport48 mi away
- LWC · Lawrence Municipal Airport55 mi away
Near PHN
Frequently asked questions
How far is STJ from PHN?
The flight distance from Rosecrans (STJ) to Port Huron (PHN) is 677 miles (1,090 km, 588 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STJ to PHN?
A nonstop flight takes about 1h 56m 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 Rosecrans and Port Huron?
Port Huron is 1 hour ahead of Rosecrans.
What is the cheapest way to fly from STJ to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STJ–PHN that never appear on search engines, with no booking fees.