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ISM to PHN: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Port Huron (St Clair County International Airport)
1,012 mi
1,629 km · 879 nm
2h 40m
estimated nonstop flight time
Same time
time difference · heading north
See live ISM→PHN fares Phone-only fares on this route — call free
Flight time details
1,012 miles nonstop takes roughly 2h 40m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Near PHN
Frequently asked questions
How far is ISM from PHN?
The flight distance from Kissimmee (ISM) to Port Huron (PHN) is 1,012 miles (1,629 km, 879 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to PHN?
A nonstop flight takes about 2h 40m 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 ISM to PHN?
Nonstop service on ISM–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 2h 40m nonstop estimate.
What is the cheapest way to fly from ISM to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–PHN that never appear on search engines, with no booking fees.
Why are some ISM to PHN fares phone-only?
Consolidator contracts let us sell certain ISM–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.