A three-day sale with fares starting from Rs.1699 has been started from Tuesday, by domestic budget carriers SpiceJet, Indigo and GoAir. The period of travel will be from Aug-18 to Sep-30. The offer is valid on domestic routes, including popular destinations like Goa, Port Blair, Udaipur, and others. SpiceJet has also announced introductory fares to Kathmandu starting Aug-13.