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PHN to SEP: distance & flight time
Port Huron (St Clair County International Airport) → Stephenville (Stephenville Clark Regional Airport)
1,128 mi
1,816 km · 980 nm
2h 55m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PHN→SEP fares Phone-only fares on this route — call free
Flight time details
1,128 miles nonstop takes roughly 2h 55m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is PHN from SEP?
The flight distance from Port Huron (PHN) to Stephenville (SEP) is 1,128 miles (1,816 km, 980 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to SEP?
A nonstop flight takes about 2h 55m 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 Stephenville?
Stephenville is 1 hour behind Port Huron.
What is the cheapest way to fly from PHN to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–SEP that never appear on search engines, with no booking fees.