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GRB to PHN: distance & flight time
Green Bay (Austin Straubel International Airport) → Port Huron (St Clair County International Airport)
300 mi
483 km · 261 nm
1h 15m
estimated nonstop flight time
+1h
time difference · heading east
See live GRB→PHN fares Phone-only fares on this route — call free
Flight time details
300 miles nonstop takes roughly 1h 15m gate to gate, flying east. 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
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Near PHN
Frequently asked questions
How far is GRB from PHN?
The flight distance from Green Bay (GRB) to Port Huron (PHN) is 300 miles (483 km, 261 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to PHN?
A nonstop flight takes about 1h 15m 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 Green Bay and Port Huron?
Port Huron is 1 hour ahead of Green Bay.
What is the cheapest way to fly from GRB to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–PHN that never appear on search engines, with no booking fees.