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SPW to PHN: distance & flight time
Spencer (Spencer Municipal Airport) → Port Huron (St Clair County International Airport)
640 mi
1,029 km · 556 nm
1h 51m
estimated nonstop flight time
+1h
time difference · heading east
See live SPW→PHN fares Phone-only fares on this route — call free
Flight time details
640 miles nonstop takes roughly 1h 51m gate to gate, flying east. 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
- SPW — Spencer Municipal Airport · Spencer, 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 SPW
- FOD · Fort Dodge Regional Airport66 mi away
- SUX · Sioux Gateway Col. Bud Day Field80 mi away
- FSD · Joe Foss Field Airport82 mi away
- MCW · Mason City Municipal Airport94 mi away
Near PHN
Frequently asked questions
How far is SPW from PHN?
The flight distance from Spencer (SPW) to Port Huron (PHN) is 640 miles (1,029 km, 556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPW to PHN?
A nonstop flight takes about 1h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SPW to PHN?
Nonstop service on SPW–PHN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 51m nonstop estimate.
What is the time difference between Spencer and Port Huron?
Port Huron is 1 hour ahead of Spencer.
What is the cheapest way to fly from SPW to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPW–PHN that never appear on search engines, with no booking fees.
Why are some SPW to PHN fares phone-only?
Consolidator contracts let us sell certain SPW–PHN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.