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Chippewa County International Airport (CIU) had nonstop service to 4 destinations on 3 airlines in our June 14, 2026 departure snapshot. The busiest route was to Minneapolis (MSP), and the largest operator here was Delta Air Lines with nonstops to 2 destinations.
Route data as of June 14, 2026, based on a 6-day departures sample. Routes may have changed since this snapshot.
You can fly nonstop from CIU to 4 destinations. Current schedules show about 2.9 flights per day across those routes. The busiest options start with Detroit (DTW), Grand Rapids (GRR), Minneapolis (MSP).
0 international routes in this schedule set
United States 4
1/day
Bombardier CRJ · Cessna 208 Caravan
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Chippewa County International Airport (CIU / KCIU) is located in Sault Ste Marie, United States.
The IATA code is CIU. The ICAO code is KCIU.
The busiest scheduled route from CIU in our June 14, 2026 departure data was CIU to MSP (Minneapolis), with 1/day.
Delta Air Lines was the largest operator in our CIU schedule data, serving 2 destinations with 1-2/day.
CIU has 0 international routes and 4 domestic routes in the current schedule set.
3 airlines operated at CIU in our June 14, 2026 snapshot. Top carriers include Delta Air Lines, CSA Air, United Airlines.
CIU has direct flights to 4 destinations including Minneapolis, Detroit, Chicago, Grand Rapids.
View live arrivals and departures at CIU on FlightRadar24.
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