The sale of the tickets will open on Tuesday and it could be booked only online from the airline's website, it said in a release.
The anniversary fares will be available till September 6 and will be applicable for all the 49 flights covering 11 cities, it added.
"The last one year has been a great experience for us and we would like to share this excitement with our valued patrons," Siddhanta Sharma, CEO, SpiceJet said.
In its first year of operations, the airlines said it had carried over 1,600,000 passengers on its network, and recorded the highest load factor of over 86 per cent since its launch.
It achieved 99.5 per cent flight dispatch reliability and maintained over 90 per cent on-time performance, the release said.
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