| ICAO | IATA | Name | Type | City | Country | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|---|
| YCKD | — | Clarke Island Airport | small_airport | N/A | AU | -40.5167 | 148.1330 | — |
| YCKI | CKI | Croker Island Airport | small_airport | N/A | AU | -11.1650 | 132.4830 | — |
| YCKN | CTN | Cooktown Airport | medium_airport | N/A | AU | -15.4436 | 145.1832 | — |
| YCKY | — | Cocklebiddy Airport | small_airport | N/A | AU | -32.0427 | 126.0912 | — |
| YCLA | — | Clare Station Airport | small_airport | N/A | AU | -33.4069 | 143.9400 | — |
| YCLB | — | Claremont Airbase | small_airport | Brukunga | AU | -34.9926 | 138.9272 | — |
| YCLE | — | Callendale Airport | small_airport | N/A | AU | -37.2433 | 140.4450 | — |
| YCLG | — | Coolgardie Airport (Bullabulling)? | small_airport | N/A | AU | -30.9764 | 121.0800 | — |
| YCLM | — | Collymongle Airport | small_airport | N/A | AU | -29.4784 | 148.7865 | — |
| YCLQ | — | Cape Leveque Airport | small_airport | Dampier Peninsula | AU | -16.4012 | 122.9321 | — |
| YCLT | — | Collector Airport | small_airport | N/A | AU | -34.8833 | 149.4170 | — |
| YCLY | — | Coleambally Airport | small_airport | N/A | AU | -34.8022 | 145.8467 | — |
| YCMB | — | Cambooya Airfield | small_airport | Cambooya | AU | -27.7200 | 151.8732 | — |
| YCMH | — | Camden Haven Airport | small_airport | N/A | AU | -31.6650 | 152.7420 | — |
| YCMK | — | Camel Creek Airport | small_airport | N/A | AU | -18.8578 | 145.4765 | — |
| YCMM | — | Cummins Town Airport | small_airport | N/A | AU | -34.2531 | 135.7096 | — |
| YCMT | CMQ | Clermont Airport | medium_airport | N/A | AU | -22.7731 | 147.6210 | — |
| YCMU | CMA | Cunnamulla Airport | medium_airport | N/A | AU | -28.0300 | 145.6220 | — |
| YCMW | CML | Camooweal Airport | small_airport | N/A | AU | -19.9117 | 138.1250 | — |
| YCNA | — | Corona Station Airport | small_airport | N/A | AU | -31.2908 | 141.4520 | — |
| YCNF | NIF | Camp Nifty Airport | small_airport | N/A | AU | -21.6717 | 121.5870 | — |
| YCNG | — | Cooranga Airport | small_airport | N/A | AU | -36.8200 | 140.2730 | — |
| YCNH | — | Carnarmah Airport | small_airport | Carnarmah | AU | -29.6837 | 115.8937 | — |
| YCNK | CES | Cessnock Airport | small_airport | N/A | AU | -32.7875 | 151.3420 | — |
| YCNM | CNB | Coonamble Airport | medium_airport | N/A | AU | -30.9809 | 148.3778 | — |
| YCNN | — | Coonana Airport | small_airport | N/A | AU | -31.0167 | 123.1670 | — |
| YCNO | — | Conargo Airport | small_airport | N/A | AU | -35.3138 | 145.1062 | — |
| YCNQ | — | Coonawarra Airport | small_airport | N/A | AU | -37.2772 | 140.8118 | — |
| YCNR | — | Cann River Airport | small_airport | N/A | AU | -37.5167 | 149.1670 | — |
| YCNS | — | Coniston Airport | small_airport | N/A | AU | -22.1333 | 132.5330 | — |
| YCNX | — | Cooranga Airport | small_airport | N/A | AU | -29.0952 | 150.7758 | — |
| YCNY | — | Century Mine Airport | small_airport | N/A | AU | -18.7593 | 138.7097 | — |
| YCOD | ODL | Cordillo Downs Airport | small_airport | Cordillo Downs | AU | -26.7453 | 140.6380 | — |
| YCOE | CUQ | Coen Airport | medium_airport | Coen | AU | -13.7611 | 143.1133 | — |
| YCOF | — | Coffin Bay Airport | small_airport | Coffin Bay | AU | -34.5890 | 135.5091 | — |
| YCOG | — | Coongan Airport | small_airport | N/A | AU | -20.6833 | 119.6670 | — |
| YCOH | — | Cohuna Airport | small_airport | N/A | AU | -35.8265 | 144.2138 | — |
| YCOI | CIE | Collie Airport | small_airport | Collie | AU | -33.3667 | 116.2170 | — |
| YCOL | — | Coleraine Airport | small_airport | N/A | AU | -37.6000 | 141.7000 | — |
| YCOM | OOM | Cooma Snowy Mountains Airport | medium_airport | Cooma | AU | -36.3004 | 148.9724 | — |
| YCOO | CDA | Cooinda Airport | small_airport | N/A | AU | -12.9033 | 132.5320 | — |
| YCOP | — | Copmanhurst Oval Helipad | heliport | Copmanhurst | AU | -29.5892 | 152.7732 | — |
| YCOR | CWW | Corowa Airport | medium_airport | N/A | AU | -35.9947 | 146.3570 | — |
| YCOS | — | Cosmo Newbery Airport | small_airport | Cosmo Newbery | AU | -27.9860 | 122.9049 | — |
| YCOY | — | Coral Bay Airport | small_airport | N/A | AU | -23.1289 | 113.7806 | — |
| YCPD | — | Cape Don Airport | small_airport | N/A | AU | -11.2983 | 131.8270 | — |
| YCPG | — | Coppins Gap Airport | small_airport | N/A | AU | -20.9500 | 120.0330 | — |
| YCPH | — | Copper Hills Airport | small_airport | N/A | AU | -27.9783 | 134.3170 | — |
| YCPK | — | Coombing Park Airport | small_airport | Carcoar | AU | -33.6286 | 149.1257 | — |
| YCPN | CFP | Carpentaria Downs Airport | small_airport | Carpentaria Downs | AU | -18.7185 | 144.3130 | — |