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ATL to PHN: distance & flight time
Atlanta (Hartsfield Jackson Atlanta International Airport) → Port Huron (St Clair County International Airport)
649 mi
1,044 km · 564 nm
1h 53m
estimated nonstop flight time
Same time
time difference · heading north
See live ATL→PHN fares Phone-only fares on this route — call free
Flight time details
649 miles nonstop takes roughly 1h 53m 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
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, 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 ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 mi away
Near PHN
Frequently asked questions
How far is ATL from PHN?
The flight distance from Atlanta (ATL) to Port Huron (PHN) is 649 miles (1,044 km, 564 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATL to PHN?
A nonstop flight takes about 1h 53m 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 ATL to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATL–PHN that never appear on search engines, with no booking fees.