PHN · KPHN · St Clair County International Airport

St Clair County International Airport (PHN)

Port Huron, United States · small airport · 42.911° -82.529° ·
Airport Information
IATA CodePHN
ICAO CodeKPHN
Typesmall airport
NameSt Clair County International Airport
MunicipalityPort Huron
CountryUnited States
ContinentNA
Latitude42.911° N
Longitude-82.529° W
Elevation650 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score50
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionPort Huron
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving PHN

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (42.9°N)

Jan
Feb
10°
Mar
13°
Apr
17°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
Nov
12°
Dec
* Approximate average temperatures by month based on temperate latitude zone

AI-Enhanced Insights

St Clair County International Airport is a small general aviation facility serving Port Huron, Michigan, located near the Canadian border along the St. Clair River. The airport supports private, recreational, and corporate aviation for the Blue Water region, including cross-border traffic to nearby Sarnia, Ontario. Its international designation reflects its role as a convenient gateway between the United States and Canada.

💡 Local Tip
Frequent visitors appreciate that the airport sits minutes from the scenic Lake Huron shoreline and the historic downtown Port Huron waterfront, making it ideal for combining a business flight stop with a quick visit to the Blue Water Bridge viewing area or a meal at a riverside restaurant.
🚖 Getting There

The airport is easily reached by car via Interstate 94 and local roads just outside Port Huron. Because there is no commercial service, visitors typically rely on rental cars, rideshare, or pre-arranged ground transport. Ample free parking is available on-site for private and visiting aircraft crews.

❓ Frequently Asked Questions
Q: Does St Clair County International Airport offer commercial airline service?
A: No, PHN is a general aviation airport with no scheduled commercial passenger flights.

Q: What is the airport primarily used for?
A: The airport serves private pilots, corporate aircraft, flight training, and recreational flying in the Blue Water area.

Q: How close is the airport to Canada?
A: The airport is only a few miles from the Blue Water Bridge, which connects Port Huron to Point Edward and Sarnia, Ontario.

Q: Are there customs facilities at PHN for international arrivals?
A: The airport handles general aviation cross-border traffic and has customs capabilities, though pilots should confirm procedures in advance.
AI-generated content · Generated Jun 27, 2026 · MiniMax-M3

🗺 Location Map

🌏 Nearby Airports (Top 5)

IATANameCity / CountryDistance (km)Distance (mi)Link
YZR Chris Hadfield Airport Sarnia, Canada 20.4 km 12.7 mi View →
MTC Selfridge Air National Guard Base Airport Mount Clemens, United States 41.6 km 25.8 mi View →
DET Coleman A. Young Municipal Airport Detroit, United States 68.3 km 42.4 mi View →
XCM Chatham Kent Airport Chatham-Kent, Canada 76.5 km 47.6 mi View →
PTK Oakland County International Airport Pontiac, United States 77.7 km 48.3 mi View →

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