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GSO to PHN: distance & flight time
Greensboro (Piedmont Triad International Airport) → Port Huron (St Clair County International Airport)
491 mi
789 km · 426 nm
1h 32m
estimated nonstop flight time
Same time
time difference · heading north
See live GSO→PHN fares Phone-only fares on this route — call free
Flight time details
491 miles nonstop takes roughly 1h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GSO — Piedmont Triad International Airport · Greensboro, 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 GSO
- INT · Smith Reynolds Airport16 mi away
- CLT · Charlotte Douglas International Airport83 mi away
- DAN · Danville Regional Airport47 mi away
- SVH · Statesville Regional Airport61 mi away
Near PHN
Frequently asked questions
How far is GSO from PHN?
The flight distance from Greensboro (GSO) to Port Huron (PHN) is 491 miles (789 km, 426 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSO to PHN?
A nonstop flight takes about 1h 32m 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 cheapest way to fly from GSO to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSO–PHN that never appear on search engines, with no booking fees.