BY FLIGHT : There are 2 flights come to Srinagar by Jaipur like Jet Airways ,Air India they all operates daily and take 8 to 9 hours to reach Srinagar with one stop in Delhi.
BY TRAIN : There is also option to come by train. There are Two trains operate from Jaipur i.e. All Jat Express & ADI SVDK Express. All Jat Express operates whole days in a week & ADI SVDK express operates only Monday .but train drops you at Jammu Tawi Railway the distance is 885 kms & take approx 15 to 21 hours to reach Jammu and than you choose taxi for further journey.
BY ROAD : There is no bus service or operator from Jaipur to Jammu Kashmir. You take bus from Jaipur to Delhi ISBT i.e. 290 kms 6 hours to reach delhi & than take another Bus from ISBT Kashmiri Gate Delhi to Jammu Bus stand the approx distance is 600 kms & it will take 11 hours approx to reach Jammu by road. In Jammu there are various option to reach Kashmir you take local sharing Cabs local bus service and individual cabs . Bus service operates in the night only you take Volvo buses as well as local buses from Jammu Bus stand & rest services like individual taxi & sharing cabs you take from exit point of Railway station , Jammu Bus stand & Gumat chowk they operates whole day. The distance between Jammu to Kashmir is approx 300 Kms & it will take 8 to 10 hours to reach Kashmir.