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Where can I fly?Trip Builder Airlines Aircraft Airports Seat maps Routes Compare

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CSA Air Route Map

15 nonstop connections across 21 airports · oldest route observations September 22, 2026.

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ROUTES29

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MSN → RHIMadison to Rhinelander1–2 flights/day PQI → PWMPresque Isle to Portland1–2 flights/day FNT → APNFlint to Alpena1 flight/day MKE → IMTMilwaukee to Iron Mountain Kingsford1 flight/day MKE → MQTMilwaukee to Marquette1 flight/day PLN → GRRPellston to Grand Rapids1 flight/day RHI → MSNRhinelander to Madison1 flight/day BGR → PWMBangor to Portland6× weekly FSD → PIRSioux Falls to Pierre6× weekly GRR → PLNGrand Rapids to Pellston6× weekly IMT → MKEIron Mountain Kingsford to Milwaukee6× weekly MQT → MKEMarquette to Milwaukee6× weekly PIR → FSDPierre to Sioux Falls6× weekly PWM → PQIPortland to Presque Isle6× weekly APN → FNTAlpena to Flint5× weekly CIU → GRRSault Ste Marie to Grand Rapids5× weekly GRR → TVCGrand Rapids to Traverse City5× weekly MKE → ESCMilwaukee to Escanaba5× weekly MSN → CMXMadison to Hancock5× weekly TVC → GRRTraverse City to Grand Rapids5× weekly CMX → MSNHancock to Madison4× weekly CWA → MSNMosinee to Madison4× weekly ESC → MKEEscanaba to Milwaukee4× weekly GRR → CIUGrand Rapids to Sault Ste Marie4× weekly IND → SBNIndianapolis to South Bend4× weekly MSN → CWAMadison to Mosinee4× weekly SBN → INDSouth Bend to Indianapolis4× weekly CWA → MKEMosinee to Milwaukee2× weekly MKE → CWAMilwaukee to Mosinee2× weekly

Routes and frequencies reflect observed flights, not a complete future timetable. Observation dates vary by airport; seasonal service may have changed.