Vistara unveils Summertime sales across domestic, international network. Details here Vistara said domestic bookings under the sale are open for a period of 72 hours from 0001 hours of 19 April 2022 to 2359 hours of 21 April 2022 with one-way all-inclusive fares starting at ₹2,499 for Economy, ₹3,459 for Premium Economy and ₹9,999 for Business Class.