The discount offer is valid in all classes for booking starting tomorrow till September 14 and for travel between October one till December 15, an airline statement said.
It said tickets could be booked from travel agents, ticket counters or the airline websites -- www.Airfrance.In or www.Klm.Com.
The Air France-KLM offer comes a few weeks after one of its prime competitors, British Airways, announced a similar limited period special offer in August.
Travel industry sources said there were indications that a few more international carriers could make such offers to attract passengers from India during the coming holiday season.
However, they said the fall in the rupee value vis-a-vis the dollar could adversely affect West-bound travel this year.