Ixigo Domestic Flight Coupon Code Offer: Get upto 25% off on domestic flight from Ixigo.com. There is no minimum booking amount to avail this offer. You can simply plan your travel. Other recommendations include places to visit, offbeat places, and short trips from New Delhi, etc. The instant discount will be applied on the flight fare before you proceed to pay. Book your domestic flight using coupon code: INSTANT and get upto 25% instant off.