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PHN to SUS: distance & flight time
Port Huron (St Clair County International Airport) → Null (Spirit of St Louis Airport)
516 mi
831 km · 448 nm
1h 35m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PHN→SUS fares Phone-only fares on this route — call free
Flight time details
516 miles nonstop takes roughly 1h 35m gate to gate, flying southwest. 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
- SUS — Spirit of St Louis Airport · Null, 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 PHN
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
Frequently asked questions
How far is PHN from SUS?
The flight distance from Port Huron (PHN) to Null (SUS) is 516 miles (831 km, 448 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to SUS?
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 Port Huron and Null?
Null is 1 hour behind Port Huron.
What is the cheapest way to fly from PHN to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–SUS that never appear on search engines, with no booking fees.