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SUS to PHN: distance & flight time
Null (Spirit of St Louis Airport) → Port Huron (St Clair County International Airport)
516 mi
831 km · 448 nm
1h 35m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SUS→PHN fares Phone-only fares on this route — call free
Flight time details
516 miles nonstop takes roughly 1h 35m 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
- SUS — Spirit of St Louis Airport · Null, 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Near PHN
Frequently asked questions
How far is SUS from PHN?
The flight distance from Null (SUS) to Port Huron (PHN) is 516 miles (831 km, 448 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to PHN?
A nonstop flight takes about 1h 35m 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 Null and Port Huron?
Port Huron is 1 hour ahead of Null.
What is the cheapest way to fly from SUS to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–PHN that never appear on search engines, with no booking fees.