Need help booking?
Unpublished phone-only deals available
PHN to IAH: distance & flight time
Port Huron (St Clair County International Airport) → Houston (George Bush Intercontinental Houston Airport)
1,139 mi
1,834 km · 990 nm
2h 57m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PHN→IAH fares Phone-only fares on this route — call free
Flight time details
1,139 miles nonstop takes roughly 2h 57m 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
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is PHN from IAH?
The flight distance from Port Huron (PHN) to Houston (IAH) is 1,139 miles (1,834 km, 990 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to IAH?
A nonstop flight takes about 2h 57m 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 Houston?
Houston is 1 hour behind Port Huron.
What is the cheapest way to fly from PHN to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–IAH that never appear on search engines, with no booking fees.