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SFO to PHN: distance & flight time
San Francisco (San Francisco International Airport) → Port Huron (St Clair County International Airport)
2,112 mi
3,399 km · 1,835 nm
4h 36m
estimated nonstop flight time
+3h
time difference · heading northeast
See live SFO→PHN fares Phone-only fares on this route — call free
Flight time details
2,112 miles nonstop takes roughly 4h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, 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 SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Near PHN
Frequently asked questions
How far is SFO from PHN?
The flight distance from San Francisco (SFO) to Port Huron (PHN) is 2,112 miles (3,399 km, 1,835 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to PHN?
A nonstop flight takes about 4h 36m 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 San Francisco and Port Huron?
Port Huron is 3 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–PHN that never appear on search engines, with no booking fees.