The average flight fare from Patna to Delhi is ₹3422.You have to board your Patna to Delhi flight from the Patna Airport and deboard it at Indira Gandhi International Airport. Plan your travels and book the cheapest flights between Patna - Delhi using MakeMyTrip’s fare calendar. G8-134 . Booking a flight, a month or two weeks before will also save on the overall airfare. We offer great deals and discounts on Patna to Delhi flight booking. 8190 depending on the class in which you travel, availability of flights and the layovers. Arrival. How to book a Patna to Delhi flight ticket … See Fare Calendar Patna to Delhi Flights - Book Patna to Delhi flight tickets and get upto Rs.2,400 OFF on flight fare, Apply code "YTFESTIVE" to get the lowest airfare on 21:10 Patna. Price. Book on MakeMyTrip and avail great deals and discounts! There are many direct as well as connecting flights easily available from Patna to Delhi. 1745 to Rs. -----Sort By: Departure. Duration. Patna Delhi Fare Calendar. Compare the cheapest airfare between two destinations across an entire month and choose the cheapest dates to travel. The flight tickets to Delhi from Patna ranges from Rs. If you book a round trip, it would be economical. Go Air.