In Idukki the only means of transportation is roadways. The National Highway that passes through this district is NH 49. The total length of the road that covers this district is estimated to be around 8000 kms. The main State Highways through this district are SH 8, SH 13, SH 16, SH 17, SH 18, SH 19, SH 33, SH 40, SH 41, SH 42, SH 43 and SH 44. Thodupuzha is a major town in Idukki and it is well connected to other parts. KSRTC bus services are available from here. The major bus stations in Idukki are Kumily, Moolamattom and Thodupuzha bus stations.
There is no railway line through Idukki and the nearest railway station to Idukki is Kuruppanthra Railway station at a distance of 52 kms. Some other nearby railway stations are Kottayam railway station at a distance of 133 kms, Changanasseri railway station at a distance of 93 kms, Ernakulam railway station at a distance of 113 kms and Theni railway station in Tamil Nadu state at a distance of 58 kms. The nearest airport to Idukki district is Madurai Airport at a distance of 140 kms. The airport in Kerala that is near to Idukki is Cochin International Airport at a distance of 130 kms.