1. Trains from Jaipur to Jaisalmer
From Jaipur, you can book one of three daily direct trains for Jaisalmer. The details of these trains are: Scroll left to right on mobile devices
2. Flights from Jaipur to Jaisalmer
Only from Jaipur, you will get direct flights for Jaisalmer & thus travelers from Mumbai, Bangalore etc also prefers to reach Jaipur & then catch a direct flights for Jaisalmer.