Chippewa County International Airport (CIU)
Chippewa County International Airport (CIU) currently has nonstop service to 4 destinations on 3 airlines in our latest departure data. The busiest route is to Detroit (DTW), and the largest operator here is Delta Air Lines with nonstops to 2 destinations.
Route data as of June 15, 2026, based on a 6-day departures sample.
How CIU is connected
0 international routes in this schedule set
United States 4
1/day
Bombardier CRJ · Cessna 208 Caravan
3 airlines fly direct from CIU
Ranked by destinations served, then daily frequency.
Direct flights to 4 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
- Search →
DTW · Detroit1 airline · 1/day · Bombardier CRJ
- Delta Air Lines · Bombardier CRJ1/day
MSP · Minneapolis
Quick answers
Where is Chippewa County International Airport?
Chippewa County International Airport (CIU / KCIU) is located in Sault Ste Marie, United States.
What is the IATA code for Chippewa County International Airport?
The IATA code is CIU. The ICAO code is KCIU.
What is the busiest route from CIU?
The busiest scheduled route from CIU in our current departure data is CIU to DTW (Detroit), with 1/day.
Who is the largest operator at CIU?
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