Jet Airways has been offering a 10% off for the customers of HDFC Bank and IndusInd bank, for booking till June 15, 2015 and travel between June 16, 2015 and September 30, 2015 on all domestic routes. Now, Jet Airways has also tied up with American Express to offer the same promotion between June 6, 2015 to June 15, 2015.
You can book a Jet Airways ticket with 10% off using this link, for getting a 10% discount with your American Express cards. You can use any sort of American Express Credit Card, including Amex cards issued by ICICI or IndusInd banks. You can book all fare classes except G.
To recap, here are the various links for various banks customers to get 10% off: