The SpiceJet offer is valid till midnight of May 21 and tickets can be booked for travel between July 1 and October 15, 2015. However, there are limited seats available and the offer is on first-come-first-served basis, SpiceJet said.
SpiceJet, which flew its first commercial flight between New Delhi and Ahmedabad in 2005 on a Boeing 737 aircraft, completes 10 years of flying on May 23, 2015.
"The offer is available for all domestic flights on SpiceJet's direct, via (same flight number hopping flight), and connecting flights network. International are not included in this offer," the airline said.