Although Jaisalmer doesn't have a local airport, you can take up a flight till Jodhpur Airport. This one is well connected to all other major airports in India. From Jodhpur Airport, you can take a cab to reach Jaisalmer. You can either opt for a private car or a prepaid taxi. From Jodhpur, it will take around 5-6 hours by road to reach Jaisalmer.