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PHN to SLP: distance & flight time
Port Huron (St Clair County International Airport) → San Luis Potosi (Ponciano Arriaga International Airport)
1,776 mi
2,858 km · 1,543 nm
3h 57m
estimated nonstop flight time
-2h
time difference · heading southwest
See live PHN→SLP fares Phone-only fares on this route — call free
Flight time details
1,776 miles nonstop takes roughly 3h 57m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
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Frequently asked questions
How far is PHN from SLP?
The flight distance from Port Huron (PHN) to San Luis Potosi (SLP) is 1,776 miles (2,858 km, 1,543 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to SLP?
A nonstop flight takes about 3h 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 San Luis Potosi?
San Luis Potosi is 2 hours behind Port Huron.
What is the cheapest way to fly from PHN to SLP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–SLP that never appear on search engines, with no booking fees.