Many times volunteers booked their flights from their country to Delhi, India which makes them to look for Bus or train to reach Jaipur. Sometimes this option not goes good as once they arrived in Delhi, India they need to spend overnight at Delhi Airport or need to look for hotel to spend a night. Then next morning they need to go for to search the bus or trains. Trains are always full from Delhi to Jaipur which will not make you sure that you will get seats available and for bus they need to go to the Bikaner House, Delhi to catch the bus for Jaipur. The amount you paid for this process hotel expenses for 1 night stay + transportation + Bus/Train ticket will be around $70 to $100 USD. Also coming from Delhi to Jaipur by bus or train took 5-6 hours of journey. Coming to Jaipur by flight can make you to reach in 50 mins and you can buy the cheap tickets online in $30 to $60 USD. We strongly recommended you to come Jaipur by flight.