Travelers should plan the trip from Delhi to Spiti Valley between May and October. Roads are open, and weather is favorable. Outside this window, heavy snowfall can close key passes, making travel impossible. The route via Shimla or Manali is accessible in this season. Booking accommodations and transport early is recommended, especially in peak summer months. Prepare for cold nights ... https://www.captureatrip.com/blog/how-to-reach-spiti-valley-from-delhi