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CMI to PHN: distance & flight time
Champaign (University of Illinois Willard Airport) → Port Huron (St Clair County International Airport)
358 mi
575 km · 311 nm
1h 24m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CMI→PHN fares Phone-only fares on this route — call free
Flight time details
358 miles nonstop takes roughly 1h 24m gate to gate, flying northeast. 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
- CMI — University of Illinois Willard Airport · Champaign, 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
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Near CMI
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Frequently asked questions
How far is CMI from PHN?
The flight distance from Champaign (CMI) to Port Huron (PHN) is 358 miles (575 km, 311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to PHN?
A nonstop flight takes about 1h 24m 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 Champaign and Port Huron?
Port Huron is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–PHN that never appear on search engines, with no booking fees.