The nearest airport, is in Chandigarh , about 214 kilometers from Mandi. Any visitor wishing to come to Mandi could take a flight from his/her respective place to chandigarh if available or a flight from delhi to Chandigarh and then take a taxi from the airport to reach the Campus of Indian Instute Of Technology Mandi(IIT Ropar) which is about 6 hours journey.
The alternative to reach Mandi from Delhi is to travel by train up to Kiratpur Sahib by Delhi-Una Himachal express (Train number 14553). It takes approximately 3.5 hrs to reach Mandi from Kiratpur by road. The Kiratpur Sahib railway station is very small and a bit far from the bus stand. All the buses coming from Delhi and Chandigarh towards Mandi, pass through Kiratpur Sahib. There are well connected trains to Chandigarh from all parts of India.
BY Road/Self Drive
From ISBT (Interstate bus terminus) platforms 6-8, Kashmere gate, Delhi, one can catch buses towards Manali or Mandi. You can opt for different types of buses ranging from ordinary, to deluxe to AC. For more details, please visit hrtc.gov.in (Himachal Road Transport Corporation website). Other state buses and private buses are also available. The road distance between Delhi and Mandi is ~475 km. and it usually takes approximately 12 hrs (depending on traffic and other conditions) by bus. Traveling by taxi or personal vehicle, reduces the journey time by nearly an hour.