Need help booking?
Unpublished phone-only deals available
AUS to PHN: distance & flight time
Austin (Austin Bergstrom International Airport) → Port Huron (St Clair County International Airport)
1,212 mi
1,951 km · 1,053 nm
3h 6m
estimated nonstop flight time
+1h
time difference · heading northeast
See live AUS→PHN fares Phone-only fares on this route — call free
Flight time details
1,212 miles nonstop takes roughly 3h 6m 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
- AUS — Austin Bergstrom International Airport · Austin, 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 AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 mi away
Near PHN
Frequently asked questions
How far is AUS from PHN?
The flight distance from Austin (AUS) to Port Huron (PHN) is 1,212 miles (1,951 km, 1,053 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to PHN?
A nonstop flight takes about 3h 6m 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 Austin and Port Huron?
Port Huron is 1 hour ahead of Austin.
What is the cheapest way to fly from AUS to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–PHN that never appear on search engines, with no booking fees.